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		<h2 class="pull-left">PhÃ¢n phá»‘i thiáº¿t bá»‹ siÃªu thá»‹, cá»•ng tá»« an ninh</h2>
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		<h1>Hướng dẫn chỉnh máy 1 kim công nghiệp</h1>
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			<li>Thứ hai - 16/03/2020 14:20</li>
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			Hướng dẫn chỉnh máy 1 kim công nghiệp từ chỉnh ổ máy 1 kim, chỉnh cam máy 1 kim, chinh cầu răng cưa, bàn lừa chân vịt. Hướng dẫn cách sử dụng máy 1 kim công nghiệp, chỉnh chỉ, dày thưa.
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			<h2><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:16.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">HƯỚNG DẪN&nbsp;CHỈNH MÁY MAY 1 KIM</span></span></span></b></span></span></span></span></h2>

<h3><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:16.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chương I: </span></span></span></i></b><b><span style="font-size:16.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CHỈNH <a href="https://pentech.net.vn/May-may-cong-nghiep.html">MÁY MAY BẰNG 1 KIM JUKI</a></span></span></span></b></span></span></span></span></h3>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:16.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">DDL 5550-DDL 5530 (nhật)</span></span></span></b></span></span></span></span>

<p><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">I.</span></span></span></b>&nbsp;&nbsp; <b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ĐẶT TÍNH KỸ THUẬT MÁY 1 KIM JUKI: </span></span></span></b></span></span></span></span></p>
&nbsp;

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thực hiện mũi may thắt nút mũi may đạt được 5mm.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Máy có tốc độ cao từ 5000- 5500 mũi/phút.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Sử dụng động cơ 250- 400w, điện 1 pha (3 pha). </span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Máy có cơ cấu điều chỉnh mũi may và lại mũi.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Máy có hệ thống bơm dầu tự động.</span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size: 17.3333px;">Sách hướng dẫn chỉnh máy may công nghiệp xem <a href="https://pentech.net.vn/sach-huong-dan-chinh-sua-may-may-cong-nghiep.html"><span style="color:rgb(52, 152, 219);">tại đây</span></a></span></div>

<h3><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:12.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">II</span></span></span></b><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">.&nbsp; QUY TRÌNH HIỆU CHỈNH MÁY MAY CÔNG NGHIỆP 1 KIM: </span></span></span></b></span></span></span></span></h3>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1.&nbsp;&nbsp; Điều chỉnh bộ tạo mũi:</span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:27.0pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1.1.&nbsp;&nbsp; Điều chỉnh vị trí trụ kim: </span></span></span></i></b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh vị trí trụ kim theo 2 cách: </span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1.1.1. Lấy theo vạch:</span></span></span></i></span></span></span></span><br  />
&nbsp;
<ol style="list-style-type:lower-alpha">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dùng kim đúng chủng loại DBx1 #9 đến #14.</span></span></span></span></span></span></span></li>
</ol>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Trên trụ kim (2) có 2 vạch dấu a và b.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lắp kim hết đốc vào trụ kim (2) rồi xiết chặt vít giữ&nbsp; kim lại .</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Quay puly theo chiều máy chạy khi kim xuống vị trí tận cùng dưới nới lỏng vít hãm khóa kẹp trụ kim (1)xê dịch trụ kim (2) sao cho vạch trên (b) trùng với mép dưới ống bạc trụ kim(3) rồi xiết chặt vít (1) lại.</span></span></span></span></span></span></span></li>
</ul>

<ol start="2" style="list-style-type:lower-alpha">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dùng kim DA x 1 cách lấy chiều sâu kim cũng tương tự như trên nhưng ta sử dụng vạch d.</span></span></span></span></span></span></span></li>
</ol>
&nbsp;

<div style="text-align:center"><img alt="" height="300" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316142935-1.png" width="566" /></div>
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt -262.25pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.1.Điều chỉnh bộ tạo mũi</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:48.0pt .75in"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chú ý: </span></span></span></i></b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;Khi điều chỉnh vị trí trụ kim ta phải xoay trụ kim cho vít hãm kim vuông góc với đường may về bên phải.</span></span></span></i></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1.1.2. Lấy theo ruột ổ:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chọn kim đúng chủng loại ,lắp kim hết đốc vào trụ kim.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khi kim xuống tận cùng dưới , ta điều chỉnh sao cho mép trên lỗ kim ngang bằng mép trong ruột ổ</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:48.0pt .75in"><span style="font-family:Calibri,sans-serif">&nbsp; &nbsp; &nbsp; &nbsp;</span></span></span></span><br  />
<br  />
<br  />
&nbsp;
<div style="text-align:center"><img alt="" height="182" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316143639-3.png" width="201" /></div>
<br  />
<br  />
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.2.Điều chỉnh chiều sâu kim khi trụ kim không vạch</span></b></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:27.0pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1.2. Điều chỉnh bước đi của mỏ ổ và kim, khoảng hở mỏ ổ và kim:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nới lỏng 2 vít hãm ổ ,quay puly theo chiều máy chạy cho kim rút lên dần đến khi vạch dưới a trùng với mép dưới bạc trụ kim (3).</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giữ nguyên vị trí này ta xoay vỏ ổ sao cho mỏ ổ (5) trùng với tâm kim(4)và chỉnh luôn khe hở giữa phần vát của kim và mỏ ổ là 0.05 đến 0.1mm sau đó xiết chặt 2 vít hãm ổ lại.</span></span></span></span></span></span></span></li>
</ul>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><img alt="" src="https://pentech.net.vn/file:///C:\Users\thinh\AppData\Local\Temp\msohtmlclip1\01\clip_image004.jpg" style="width:547px; height:309px" /></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.3.</span></b><b><i> </i></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh bước đi của mỏ ổ và kim, khoảng hở mỏ ổ và kim </span></b></span></span></span>

<div style="text-align:center"><img alt="" height="309" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316143422-2.png" width="547" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1.3. Điều chỉnh đòn gánh máy 1 kim :</span></span></span></i></b></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:48.0pt .75in"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1.3.1. Cân bằng kim và lỗ ô van ruột ổ:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh sao cho khi kim&nbsp; chuyển động lên xuống không chạm vào 2 thành ruột ổ.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:48.0pt .75in"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1.3.2.Khe hở giữa đầu mấu đòn gánh nằm trong rãnh ruột ổ:</span></span></span></i></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:48.0pt .75in"><span style="font-family:Calibri,sans-serif"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></span></span></span></span>

<div style="text-align:center"><img alt="" height="252" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316143810-4.png" width="511" /></div>
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.4.</span></b><i> </i><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khe hở giữa đầu mấu đòn gánh nằm trong rãnh ruột ổ</span></b></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2. Điều chỉnh cơ cấu chuyển đẩy nguyên liệu:</span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:48.0pt .75in"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.1. Điều chỉnh chiều dài mũi may: </span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nhấn cần lại mũi (2) xuống và giữ ở vị trí đó,xoay núm vặn số (1) theo chiều mũi tên cho con số yêu cầu trùng với vạch khắc (3) trên thân máy</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Con số ghi trên mặt núm vặn tính bằng đơn vị milimet.</span></span></span></span></span></span></span></li>
</ul>
&nbsp;

<div style="text-align:center"><img alt="" height="200" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316143810-5.png" width="473" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.5. Điều chỉnh chiều dài mũi may</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.2. Điều chỉnh răng cưa:</span></span></span></i></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:48.0pt .75in"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.2.1. Cân bằng chiều ngang răng cưa và mặt nguyệt a = b:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh sao cho khi răng cưa chuyển động không được chạm vào những cạnh bên của rãnh mặt nguyệt.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">&nbsp;</li>
</ul>

<div style="text-align:center"><img alt="" height="301" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144006-6.png" width="220" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.6. Cân bằng chiều ngang răng cưa và mặt nguyệt a = b</span></b></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.2.2. Cân bằng chiều dọc răng cưa và mặt nguyệt&nbsp; c = d:</span></span></span></i></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - Với bước đẩy lớn nhất theo chiều dọc răng cưa không được chạm vào 2 cạnh đầu của rãnh mặt nguyệt và cách đều 1 đoạn c = d</span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span>

<div style="text-align:center"><img alt="" height="268" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144006-7.png" width="384" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.7.</span></b><i> </i><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cân bằng chiều dọc răng cưa và mặt nguyệt&nbsp; c = d</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.2.3. Chiều cao răng cưa:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khi răng cưa lên điểm cao nhất thì đỉnh của răng cưa cách măt phẳng mặt nguyệt &nbsp;từ 0.5 – 0.8 mm. </span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tuy nhiên,tùy theo tính chất và chiều dày của nguyên liệu ta có thể điều chỉnh chiều cao của răng cưa từ 0.8 – 1.2mm.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh bằng cách nới lỏng vít (2) đưa đế nâng (1) lên hay xuống sao cho đạt yêu cầu.</span></span></span></span></span></span></span></li>
</ul>
&nbsp;

<div style="text-align:center"><img alt="" height="298" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144037-8.png" width="581" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.8.</span></b><i> </i><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chiều cao răng cưa</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1- Đế nâng&nbsp;&nbsp;&nbsp; 2- Vít hãm đế nâng</span></span></span></span></span></span></span>

<h3><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.3. Điều chỉnh bước đi của kim so với răng cưa máy 1 kim: </span></span></span></i></b></span></span></span></span></h3>
&nbsp;

<div style="text-align:center"><img alt="" height="255" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144037-9.png" width="522" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.9. Điều chỉnh bước đi của kim so với răng cưa&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1- Kim&nbsp;&nbsp;&nbsp; &nbsp; 2- Răng cưa&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3- Vít hãm cam</span></span></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khi mũi kim xuống đến mặt phẳng mặt nguyệt thì đỉnh của răng cưa cũng hạ xuống ngang bằng mặt phẳng mặt nguyệt.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tuy nhiên tùy theo nguyên liệu may ,ta có thể điều chỉnh sao cho khi kim xuống chạm vào nguyên liệu, lúc đó răng cưa đang đi xuống và cách mặt trên của mặt nguyệt từ 0.1 – 0.5 mm.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ta điều chỉnh bằng cách nới lỏng 2 vít hãm cam nâng và xoay cam theo chiều máy chạy sao cho đạt thông số kỹ thuật của răng cưa rồi xiết chặt 2 vít hãm cam nâng lại .&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></span></span></span></li>
</ul>

<h4><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.4. Điều chỉnh cơ cấu nén ép nguyên liệu máy 1 kim công nghiệp:</span></span></span></i></b></span></span></span></span></h4>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.4.1. Điều chỉnh vị trí chân vịt so với kim:</span></span></span></i></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khi kim chuyển động không chạm vào chân vịt và cách đều 2 mép chân vịt.</span></span></span></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nới lỏng vít (2)</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xoay chân vịt sao cho rãnh chân vịt trùng lỗ mặt nguyệt.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xiết chặt vít (2)</span></span></span></span></span></span></span></li>
</ul>
&nbsp;

<div style="text-align:center"><img alt="" height="330" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144128-10.png" width="521" /></div>
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.10.</span></b><i> </i><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh vị trí chân vịt so với kim</span></b></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.4.2. Điều chỉnh chiều cao chân vịt:</span></span></span></i></span></span></span></span>

<ol style="list-style-type:lower-alpha">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nâng bằng tay: </span></span></span></span></span></span></span></li>
</ol>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in center 3.0in left 374.25pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khoảng cách mặt dưới chân vịt đến mặt phẳng mặt nguyệt là 5mm khi ta nâng chân vịt bằng tay.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xê dịch khóa kẹp trụ chân vịt lên hoặc xuống để giảm hoặc tăng chiều cao chân vịt, xiết chặt vít (2)</span></span></span><b> </b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">lại</span></span></span><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> ( Hình 1.11</span></b><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">)</span></span></span></b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">.</span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">
<div style="text-align:center"><img alt="" height="242" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144159-11.png" width="475" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.25in"><span style="font-family:Calibri,sans-serif"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.11.</span></b> <b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nâng bằng tay</span></b></span></span></span></span><br  />
&nbsp;
<ol style="list-style-type:lower-alpha">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:center -276.45pt left -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nâng bằng gạt gối:</span></span></span></span></span></span></span></li>
</ol>
&nbsp;

<div style="text-align:center"><img alt="" height="269" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144159-12.png" width="467" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.12.</span></b> <b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nâng bằng gạt gối</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1- Vít điều chỉnh nâng bằng gạt gối</span></span></span></span></span></span></span><br  />
&nbsp;
<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khoảng cách từ mặt dưới chân vịt đến mặt nguyệt khi ta nâng chân vịt bằng gạt gối (bằng chân) là 10 mm ,tối đa là 13 mm.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ta có thể cố định chiều cao của chân vịt khi nâng bằng gạt gối là ở vít (1), để đảm bảo chiều cao tối đa của chân vịt thì khi trụ kim ở vị trí tận cùng dưới không được chạm vào cạnh trên chân vịt.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nới đai ốc vít hãm(1) và điều chỉnh vít giới hạn chiều cao chân vịt tối đa là 13mm khi gạt gối nâng chân vịt.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2.4.3. Điều chỉnh lực nén</span></span></span></i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> <i>chân vịt: </i></span></span></span></span></span></span></span><br  />
&nbsp;
<div style="text-align:center"><img alt="" height="250" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144235-13.png" width="403" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.13<i>.</i></span></b><i> </i><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh lực nén chân vịt&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1- Khuy nén chân vịt&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2- Đai ốc hãm</span></span></span></span></span></span></span><br  />
&nbsp;
<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tùy theo chiều dày và tính chất của nguyên liệu mà chỉnh lực nén cho phù hợp. nhưng với tiêu chuẩn cơ bản ban đầu ta điều chỉnh như sau: Ta vặn khuy nén trụ chân vịt số (1) theo chiều kim đồng hồ hoặc ngược chiều kim đồng hồ của mũi tên trên hình vẽ sao cho khoảng cách từ mặt trên của khuy nén (1) đến mặt trên thành máy từ 29-32mm.</span></span></span></span></span></span></span></li>
</ul>

<h5><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3. Điều chỉnh cơ cấu kéo cắt chỉ tự động:</span></span></span></b></span></span></span></span></h5>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3.1. Điều chỉnh thời điểm của cam cắt chỉ:</span></span></span></i></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3.1.1. Điều chỉnh thời điểm:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thời gian của cam cắt chỉ cotton và chỉ tổng hợp ta lấy bằng cách đặt dấu chấm trên thân máy thẳng hàng với dấu chấm trên Puly.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ta nghiêng đầu máy, quay Puly bằng tay tới khi cò giật chỉ đi lên tới vị trí cao nhất, và ấn cần giử suốt qua bên phải bằng ngón tay, làm cho con lăn ăn khớp với rãnh của cam cắt chỉ duy trì tình trạng này, quay Puly theo hướng ngược lại chiều quay bình thường tìm được một vị trí mà Puly không quay nữa. Lúc đó điều chỉnh thời gian của cam, để chấm đánh dấu trên thân máy thẳng hàng với chấm đánh dấu đỏ trên Puly như được hướng dẫn, điều này quy định thời gian cam đúng cho chỉ cotton và chỉ tổng hợp. </span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">
<div style="text-align:center"><img alt="" height="323" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144317-14.png" width="568" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.14.</span></b><b><i> </i></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh thời điểm của cam cắt chỉ</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt 27.0pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1- Thời điểm cam cắt chỉ&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2- Vít chỉnh.</span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt 27.0pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3- Cam cắt chỉ&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4- Con lăn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5- Cần giử suốt</span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3.1.2. Điều chỉnh thời gian của cam cắt chỉ:</span></span></span></i></span></span></span></span><br  />
&nbsp;
<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đầu tiên nới lỏng ốc số (1) rồi đến số(2) và đặt dấu chấm đỏ (3) trên Puly thẳng hàng với dấu chấm đỏ trên máy.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đặt con lăn cho khít vào rãnh cam trong khi đang ấn cần giử suốt qua phía bên phải, chỉ quay cam bằng tay (đừng quay trục ổ) theo hướng ngược chiều lại với chiều quay bình thường của trục ổ cho tới một vị trí mà cam không thể quay thêm được, ở vị trí này ấn cam ngược lại vòng chận của cam cắt chỉ và xiết chặt lại ốc (2) và tiếp theo là ốc số (1) trên cam cắt chỉ. </span></span></span></span></span></span></span></li>
</ul>

<div style="text-align:center"><img alt="" height="246" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144317-15.png" width="340" /></div>
<br  />
<br  />
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></span></span></span></span><br  />
<br  />
<br  />
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></span></span></span></span><br  />
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.15.</span></b><i> </i><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh thời gian của cam cắt chỉ</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><i><u><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">THAM KHẢO:</span></span></span></u></i><i> &nbsp;</i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="letter-spacing:-.3pt">Những dấu khắc trên Puly là để định thời điểm tiêu&nbsp; chuẩn của cam cắt chỉ, có thể đạt tới một thời gian sớm hơn 2 hoặc trễ hơn 5 để cắt chỉ cotton hoặc chỉ tổng hợp, trong trường hợp này phải xác định lại là dao di động chia hai sợi chỉ dưới đáy bề mặt của mặt nguyệt, nếu thời gian cắt chỉ quá sớm hoặc quá trễ chỉ giữ lại trên kim có thể trở thành quá ngắn, làm cho chỉ kim tuột khỏi kim lập tức sau khi cắt chỉ.</span></span></span></span></span></span></span></span></li>
</ul>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Việc định thời gian cam cắt chỉ đối với chỉ cotton và chỉ tổng hợp điều như nhau, vì vậy, những vấn đề sau đây giới thiệu khi dùng chỉ tổng hợp mỏng hơn.</span></span></span></span></span></span></span>

	<ul style="list-style-type:circle">
		<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Bị bỏ mũi khi bắt đầu may.</span></span></span></span></span></span></span></li>
		<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chỉ tuột khỏi kim khi bắt đầu may.</span></span></span></span></span></span></span></li>
	</ul>
	</li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thực hiện cách điều chỉnh sau đây đối với chỉ tổng hợp đặc biệt:</span></span></span></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xếp thẳng hàng dấu (1) trên đầu máy với dấu xanh (3) trên Puly.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Sử dụng chức năng khởi động mềm (800 mũi/phút) cho sự khởi động đầu tiên. </span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size: 17.3333px;">Các Bạn Xem Cách Hướng Dẫn Chỉnh Máy May: <a href="https://www.youtube.com/channel/UCJ4EKa0lW5mrhrekRdsm6Rw"><span style="color:rgb(41, 128, 185);">Kênh YOUTUBE</span></a></span></div>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:18px;">Các bạn cần hỗ trợ về&nbsp;<strong>kỹ thuật sửa chữa máy may công nghiệp</strong>&nbsp;có thể liên hệ<span style="color:rgb(41, 128, 185);">&nbsp;</span><a href="tel:\ 0394694680"><span style="color:rgb(41, 128, 185);">039.4694.680</span></a><br  />
<br  />
Hoặc tham khảo&nbsp;<em><strong>giá máy may công nghiệp mới nhất</strong></em>&nbsp;<a href="https://pentech.net.vn/May-may-cong-nghiep.html"><span style="color:rgb(41, 128, 185);">tại đây</span></a></span></div>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3.2. Xác định vị trí của dao di động:</span></span></span></i></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3.2.1. Vị trí tiêu chuẩn của dao di động:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dao di động ở vị trí đúng khi mũi dao di động đến nơi xa nhất là đầu mũi dao ở cách thân kim khoảng 3-3.5mm, nếu dao di động lùi lại không đủ có thể dao không cắt được chỉ kim hay chỉ suốt ở thời điểm cắt chỉ ngược lại, nếu dao di động lùi quá xa dao di động có thể đụng vào răng cưa.</span></span></span></span></span></span></span></li>
</ul>

<div style="text-align:center"><img alt="" height="386" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144344-16.png" width="581" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.16. Vị trí tiêu chuẩn của dao di động</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3.2.2. Cách xác định vị trí của dao di động:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh vị trí của dao di động bằng cách thay đổi vị trí bộ phận bên cạnh của &nbsp;nam châm cần nối dẫn động (1) trong khi máy dừng.</span></span></span></span></span></span></span></li>
</ul>

<ul style="list-style-type:circle">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tháo đai ốc của nam châm cần&nbsp; nối dẫn động (1).</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Di chuyển &nbsp;nam châm cần nối dẫn động vào bên phải hay bên trái để làm rãnh chữ v gặp chu vi ngoại vi của dao di động, chuyển dao tới vị trí đầu được hướng dẫn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="letter-spacing:-.2pt">Xiết chặt ốc khóa của pin nam châm nối dẫn động khi vị đúng của dao di động đã đạt đến. khi di chuyển nam châm điều khiển vào bên phải tăng sự lùi của dao di động. khi di chuyển nó vào bên trái, giảm sự lùi lại của dao di động.</span></span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3.2.3. Điều chỉnh vị trí của pin nam châm cần nối di động. khi dao di động không ở vị trí đúng: </span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nới lỏng ốc điều chỉnh của pin nam châm nối dẫn động (1).</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh để trung tâm của pin nam châm cần nối dẫn động thẳng với rãnh v (3) của đáp điều khiển dao (2) và gắn chặt với pin nam châm cần nối dẫn động bằng cách vặn chặt ốc khóa.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Vặn hai ốc (5) của chân đáp điều khiển dao (4).</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Di chuyển đáp điều khiển dao (2) để làm cho chu vi của dao di động gặp rãnh v của đế và gắn chặt chân đạp điều khiển dao (4) bằng cách vặn chặt hai ốc (5).</span></span></span></span></span></span></span></li>
</ul>
&nbsp;

<div style="text-align:center"><img alt="" height="357" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144420-17.png" width="575" /></div>
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.17.</span></b><i> </i><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh vị trí của pin nam châm cần nối di động, </span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">khi dao di động không ở vị trí đúng</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Để tránh những vấn đề này hãy xác định vị trí của dao một cách chính xác.Vị trí trở về chuẩn của dao di động sẽ đạt được bằng cách mang chu vi của dao di động tiếp xúc với rãnh chữ v của đế dao.</span></span></span></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nới lỏng 2 ốc của cam cắt chỉ (7)và vòng chận cam (6).</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xếp thẳng hàng chấm đỏ (2) trên bánh đà với chấm đỏ trên máy.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Quay cam bằng tay cho tới khi ốc số 2 (7) hướng về phía bạn. rồi ấn cò chỉ vào bên phải.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Quay cam vào bên phải hay bên trái để ấn sâu con lăn vào cam cắt chỉ.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cùng với việc ấn sâu con lăn vào cam, quay cam theo hướng mũi tên về phía bạn cho tới khi nó dừng lại trong khi kéo nhẹ cam về bên phải.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Vặn chặt ốc số 2 của cam.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xác định:</span></span></span></span></span></span></span></li>
</ul>

<ul style="list-style-type:circle">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dấu chỉ định trên đầu máy và bánh đà phải thẳng hàng.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Con lăn phải vừa khít với rãnh cam.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dao lùi phải vừa khít với rãnh cam.</span></span></span></span></span></span></span></li>
</ul>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Vặn chặt 2 ốc của cam.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ấn vòng chặn ngược lại với cam và gắn chặt nó bằng cách vặn chặt ốc.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in 62.0pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;Chú ý:</span></span></span></i></b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Một sự thay đổi nhỏ ở vị trí bộ phận trên của đáp điều khiển dao sẽ gây ảnh hưởng lớn đến sự lùi lại của dao.</span></span></span></span></span></span></span>

<div style="text-align:center"><img alt="" height="326" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144445-18.png" width="405" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Hình 1.18. Thời điểm cắt chì</span></b></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4. Điều chỉnh hệ thống bôi trơn:</span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4.1. Điều chỉnh lượng dầu cung cấp cho các bề mặt chi tiết:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="letter-spacing:-.3pt">Điều chỉnh lượng dầu cung cấp cho cò giật chỉ và biên trụ kim tại vít (1), lượng dầu tối thiểu được cung cấp khi ta xoay vít (1) theo hướng cùng chiều kim đồng hồ.</span></span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">
<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="letter-spacing:-.3pt">Điều chỉnh lượng dầu cung cấp cho cò giật chỉ và biên trụ kim tại vít (1), lượng dầu tối thiểu được cung cấp khi ta xoay vít (1) theo hướng cùng chiều kim đồng hồ.</span></span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lượng dầu tối đa được cung cấp khi ta xoay vít (1) theo hướng ngược chiều kim đồng hồ.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4.2. Điều chỉnh lượng dầu cung cấp cho ổ:</span></span></span></i></b></span></span></span></span><br  />
&nbsp;
<div style="text-align:center"><img alt="" height="224" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144526-19.png" width="447" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.19</span></b><b><i> </i></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh lượng dầu cung cấp cho ổ.</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1- Biên trụ kim&nbsp;&nbsp;&nbsp;&nbsp; 2- Khủy cò</span></span></span></span></span></span></span><br  />
&nbsp;
<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xoay vít mũ theo chiều dương lượng dầu vào ổ tăng và ngược lại xoay vít mũ theo chiều âm lượng dầu vào ổ giãm.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5. Điều chỉnh cơ cấu cung cấp chỉ:</span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5.1. Điều chỉnh đáp dẫn chỉ:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khi may vải dày, chuyển đáp (1) qua trái để tăng lượng chỉ được kéo vào từ cuộn chỉ bởi cò giật chỉ.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khi may vải mỏng, chuyển đáp (1) qua phải để giảm lượng chỉ được kéo vào từ cuộn chi bởi cò giật chỉ.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thông thường, đáp (1) ở vị trí mà vạch (c) của nó trùng tâm vít hãm.</span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">
<div style="text-align:center"><img alt="" height="280" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144544-20.png" width="485" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.20.</span></b><b><i> </i></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh đáp dẫn chỉ</span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1. Đáp dẫn chỉ</span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5.2. Điều chỉnh râu tôm giật chỉ:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hành trình và độ căng râu tôm được điều chỉnh theo nguyên kiệu may: </span></span></span></span></span></span></span></li>
</ul>

<table align="center" class="Table" style="margin-left:1.0in; border-collapse:collapse; border:solid windowtext 1.0pt">
	<tbody>
		<tr style="height:18.85pt">
			<td style="border:solid windowtext 1.0pt; width:1.95in; padding:0in 5.4pt 0in 5.4pt; height:18.85pt" valign="top" width="187"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nguyên liệu may</span></span></span></span></span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:99.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt; height:18.85pt" valign="top" width="132"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ căng</span></span></span></span></span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:99.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt; height:18.85pt" valign="top" width="132"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hành trình</span></span></span></span></span></span></span></td>
		</tr>
		<tr style="height:18.4pt">
			<td style="border:solid windowtext 1.0pt; width:1.95in; border-top:none; padding:0in 5.4pt 0in 5.4pt; height:18.4pt" valign="top" width="187"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dày (mũi may dài)</span></span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:99.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:18.4pt" valign="top" width="132"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">lớn</span></span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:99.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:18.4pt" valign="top" width="132"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ngắn</span></span></span></span></span></span></span></td>
		</tr>
		<tr style="height:16.6pt">
			<td style="border:solid windowtext 1.0pt; width:1.95in; border-top:none; padding:0in 5.4pt 0in 5.4pt; height:16.6pt" valign="top" width="187"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mỏng (mũi may ngắn)</span></span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:99.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:16.6pt" valign="top" width="132"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">nhỏ</span></span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:99.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:16.6pt" valign="top" width="132"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">dài</span></span></span></span></span></span></span></td>
		</tr>
	</tbody>
</table>
&nbsp;

<div style="text-align:center"><img alt="" height="222" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144544-21.png" width="324" /></div>
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.21. Điều chỉnh sức căng râu tôm</span></b></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 160.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5.2.1. Điều chỉnh hành trình râu tôm:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nới lỏng vít (2)</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xoay trụ (3) theo chiều kim đồng hồ thì làm tăng hành trình của râu tôm.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xoay trụ (3) theo chiều ngược kim đồng hồ thì làm giảm hành trình râu tôm. <b>&nbsp;</b></span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">
<div style="text-align:center"><img alt="" height="262" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144624-22.png" width="470" /></div>
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.22.</span></b><i> </i><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh hành trình râu tôm</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1- Lò xo giật chỉ&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2- Vít hãm&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3- Trụ đồng tiền</span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt .75in"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4- Vít hãm trụ&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5- Đồng tiền ép&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5.2.2. Thay đổi độ căng râu tôm: </span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt -269.35pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nới lỏng vít (4)</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xoay trụ (3) theo chiều kim đồng hồ thì tăng độ căng râu tôm.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Xoay trụ (3) ngược chiều kim đồng hồ thi giảm độ căng râu tôm.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5.3. Điều chỉnh lực căng chỉ máy 1 kim công nghiệp:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Yêu cầu điều chỉnh cụm đồng tiền trên là phải hãm chỉ đều, lực hãm phải có tính đàn hồi, để khi đường kính chỉ thay đổi thì bộ phận&nbsp; hãm chỉ hoạt đông tốt. </span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dưới nay là các trường hợp xảy ra: </span></span></span></span></span></span></span>

<div style="text-align:center"><img alt="" height="569" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144648-23.png" width="575" /></div>
<br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.23.</span></b><b><i> </i></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điều chỉnh lực căng chỉ</span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:10.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1- Núm vặn đồng tiền&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2- Vít điều chỉnh me thuyền</span></span></span></span></span></span></span><br  />
&nbsp;
<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cụm tiếp chỉ điều chỉnh đúng: Nút thắt giữa chỉ trên và chỉ dưới nằm giữa 2 lớp vải. Chỉ ôm sát mặt nguyên liệu.</span></span></span></span></span></span></span></li>
</ul>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hiện tượng nỗi chỉ trên: </span></span></span></span></span></span></span></li>
</ul>

<ul style="list-style-type:circle">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cò giật chỉ kéo nhánh chỉ phía lỗ kim nhiều hơn, gây nên hiện tượng sùi chỉ trên.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình vẽ cho ta thấy nổi chỉ trên là do chỉ trên quá chặt hay chỉ dưới quá lỏng, nếu chỉ dưới quá chặt ta vặn núm điều chỉnh cụm đồng tiền theo chiều (-) mũi tên. nếu chỉ dưới quá lỏng ta xiết vít hãm me thuyền theo chiều (+) mũi tên, sao cho nút thắt chỉ trên và chỉ dưới nằm ở giữa 2 lớp nguyên liệu và ôm sát mặt nguyên liệu.</span></span></span></span></span></span></span></li>
</ul>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hiện tượng nỗi chỉ dưới:</span></span></span></span></span></span></span></li>
</ul>

<ul style="list-style-type:circle">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cò giật chỉ kéo nhánh chỉ phía cuộn chi nhiều hơn, vòng chỉ không rút lên được hết, gây nên hiện tượng nỗi chỉ dưới.</span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">
<ul style="list-style-type:circle">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình vẽ cho ta thấy hiện tượng nỗi chỉ dưới là do chỉ quá chặt ta điều chỉnh bằng cách nới lỏng vít hãm me thuyền theo chiều (-) mũi tên, nếu chỉ quá lỏng&nbsp; vặn núm điều chỉnh lực ép cụm đồng tiền theo chiều (+) mũi tên.</span></span></span></span></span></span></span></li>
</ul>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hiện tượng lỏng chỉ: </span></span></span></span></span></span></span></li>
</ul>

<ul style="list-style-type:circle">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khi lực ép đồng tiền chỉ trên và lực ép me thuyền chỉ suốt dưới lỏng, thì gây nên hiện tượng lỏng chỉ trên 2 mặt nguyên liệu, đường may không thẳng hàng, chỉ ôm không sát nguyên liệu.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ta điều chỉnh bằng cách xiết vít hãm me thuyền theo chiều (+) mũi tên và đồng thời vặn núm điều chỉnh cụm đồng tiền theo chiều (+) mũi tên.</span></span></span></span></span></span></span></li>
</ul>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hiện tượng chặt chỉ:</span></span></span></span></span></span></span></li>
</ul>

<ul style="list-style-type:circle">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khi lực ép đồng tiền chỉ trên và lực ép me thuyền quá chặt, thì gây nên hiện tượng chặt chỉ trên 2 mặt nguyên liệu, đường may nhăn nhúm.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ta điều chỉnh bằng cách nới lỏng vít hãm me thuyền theo chiều (-) mũi tên và đồng thời vặn núm điều chỉnh cụm đồng tiền theo chiều (+) mũi tên.</span></span></span></span></span></span></span></li>
</ul>
&nbsp;

<div style="text-align:center"><img alt="" height="312" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144756-24.png" width="420" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Hình 1.24.</span></b> <b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hiện tượng nỗi chỉ dưới</span></b></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5.4. Hướng dẫn cách xỏ chỉ:</span></span></span></i></b></span></span></span></span>

<div style="text-align:center"><img alt="" height="577" src="https://pentech.net.vn/uploads/tu-van/2020_03/image-20200316144940-25.png" width="636" /></div>
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:-276.45pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hình 1.25.</span></b><b><i> </i></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hướng dẫn cách xỏ chỉ máy 1 kim</span></b></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="letter-spacing:-.2pt">6. Các bệnh hỏng hóc thông thường của máy may bằng một kim mũi may thắt nút: </span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.1. Đứt chỉ:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nguyên nhân do chỉ:</span></span></span></span></span></span></span></li>
</ul>

<ul style="list-style-type:circle">
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chất lượng chỉ không đảm bảo.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dùng chỉ đúng độ se (đối với máy may 1kim mũi thắt nút phải dùng chỉ se).</span></span></span></span></span></span></span></li>
</ul>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nguyên nhân do máy. </span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.2. Đứt chỉ trên:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chỉ đi qua nơi sắc cạnh.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Bản lề thuyền không khép kín.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ căn chỉ trên quá lớn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cò giật chỉ rơ mòn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ruột ổ rơ mòn.</span></span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">
<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Sử dụng kim và chỉ không phù hợp.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chủng loại kim sai, chỉ số kim sai</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim lắp sai.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chỉnh mỏ ổ đi quá sớm hoặc quá muộn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Máy chạy ngược.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chỉ bị kẹt trên đường đi.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Sức căng chỉ quá lớn hay quá nhỏ.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim bị cong hoặc bị sướt hoặc bị cùn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim quá nhỏ hay quá lớn so với chỉ.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lắp kim sai hướng.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.3. Đức chỉ dưới:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Me thuyền, me ổ, lỗ tấm kim sắt cạnh.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Sức căng chỉ dưới quá chặt.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Suốt chỉ quá đầy.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Suốt chỉ bị sướt hoặc sắc cạnh.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Vỏ thuyền bị khuyết hoặc ovan.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;<i>6.4. Bỏ mũi:</i></span></span></span></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Bước đi kim- ổ sai.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mỏ ổ mòn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dùng kim và chỉ không phù hợp.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim bị cong.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mũi kim bị cùn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim quá nhỏ hay quá lớn so với chỉ sử dụng.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim gắn sai chiều.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lực ép chân vịt quá yếu, chân vịt cong vênh.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lỗ tấm kim lớn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim cong, tà mũi.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Trụ kim cong, rơ mòn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Vải quá mỏng hoặc quá dày.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Sức căn chỉ kim quá lớn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tốc độ máy nhanh.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Định thời điểm đưa vải sai.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="letter-spacing:-.2pt">Điều chỉnh lò xo giật chỉ sai( khoảng hoạt động quá lớn, sức căng chỉ quá nhiều).</span></span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Răng cưa không đụng vải.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Rãnh chân vịt quá lớn.</span></span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chân vịt không song song với mặt nguyệt.</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.5. Gãy kim:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim cong, trụ kim rơ mòn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Bước đi kim - ổ sai. </span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chỉ to so với kim</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chỉ trên quá căng.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim đâm vào chân vịt, tấm kim, thân suốt.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim bị tuột.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chất lượng nguyên liệu không đều.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim đâm quá sâu.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ruột ổ rơ mòn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đòn gánh ruột ổ tuột.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Bước đi kim – răng cưa sai.</span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.6. Nổi chỉ:</span></span></span></i></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.6.1. Nổi chỉ trên:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đồng tiền quá chặt hoặc me thuyền quá lỏng.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Râu tôm quá căng hoặc răng cưa đẩy quá nuộn.</span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.6.2. Nổi chỉ dưới:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đồng tiền quá lỏng hoặc me thuyền quá chặt.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Râu tôm yếu, răng cưa nay sớm.</span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.6.3. Nổi chỉ từng đoạn:</span></span></span></i></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mấu đòn gánh điều chỉnh chưa đúng.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ruột ổ rơ mòn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Me thuyền lệch hoặc mòn thành rãnh.</span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:120%"><span style="tab-stops:.75in 97.5pt"><span style="font-family:Calibri,sans-serif"><b><i><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.7. Các hỏng hóc khác:</span></span></span></i></b></span></span></span></span>

<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mũi may không đều.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Răng cưa mòn hoặc quá thấp.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lực ép chân vịt yếu.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chân vịt rơ lỏng.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Vải may bị dồn giữa mặt nguyệt và răng cưa.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hư hỏng hệ thống bôi trơn </span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Vải nhăn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lực căng 2 chỉ quá lớn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Răng cưa quá cao.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lực đè chân vịt quá lớn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim quá lớn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Răng cưa đẩy quá sớm.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chỉ có độ ma sát cao.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ổ đi quá trể.</span></span></span></span></span></span></li>
</ul>

<div style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt">
<ul>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đường dẫn chỉ không tốt.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mặt chân vịt không trơn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lỗ mặt nguyệt quá lớn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Rãnh chân vịt quá lớn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chân vịt không song song với mặt nguyệt.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đầu kim bị cùn.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ nghiêng của răng cưa không đúng.</span></span></span></span></span></span></li>
	<li style="margin-top:0in; margin-right:0in; margin-bottom:.0001pt; text-align:justify; margin:0in 0in 10pt"><span style="font-size:11pt"><span style="line-height:120%"><span style="font-family:Calibri,sans-serif"><span style="font-size:13.0pt"><span style="line-height:120%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tốc độ may quá nhanh.</span></span></span></span></span></span></li>
</ul>
<span style="font-size:18px;"><strong>Chúc các bạn chỉnh thành công, xem thêm một số file báo lỗi và tài liệu&nbsp;<a href="https://pentech.net.vn/May-may-cong-nghiep.html"><span style="color:rgb(41, 128, 185);">tại đây</span></a></strong></span><br  />
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