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Northern University: Assignment

The document discusses three types of automatic sewing machines used in apparel manufacturing - button hole sewing machines, button attaching sewing machines, and bar-tack sewing machines. It provides descriptions of each machine, including their functions, features, and the types of stitches they use. The purpose of the document is to present these simple automatic sewing machines that are commonly used in apparel production.

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Fahim Farhan
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184 views4 pages

Northern University: Assignment

The document discusses three types of automatic sewing machines used in apparel manufacturing - button hole sewing machines, button attaching sewing machines, and bar-tack sewing machines. It provides descriptions of each machine, including their functions, features, and the types of stitches they use. The purpose of the document is to present these simple automatic sewing machines that are commonly used in apparel production.

Uploaded by

Fahim Farhan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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NORTHERN UNIVERSITY

Course Title: Apparel Manufacturing Technology-II


Course Code: TEX 3103

ASSIGNMENT

Topic: Automatic Sewing Machine used in Apparel Industry.

Submitted By Submitted To
Name: Zariful Islam Sayed Name: Marzia Islam
ID: EBTX-170201857 Designation: Lecturer
Section: 6F Department Of Textile Engineering.
Zariful Islam Sayed
ID: 170201857 (6F)

Introduction: Sewing machine is one of the most important equipment in garments manufacturing industry.
Simple automatic sewing m/c is one of the types of sewing machine. Simple automatic sewing m/c
includes button attaching sewing machine, button hole sewing m/c and bar-tack sewing m/c. This article has
presented those automatic sewing machines with their features.

Automatic Sewing Machine: Some machines are found to sew for special purposes such as button hole
making, button attaching, bar-tack creating and so on. In these machines, the predetermined work is done by
cyclic order that is why called simple automatic is sewing m/c.

The following are the description of some simple automatic sewing machines:

1. Button hole sewing machine:

Fig: Button hole sewing machine

1. It is a simple automatic sewing m/c.


2. Easy adjustment of hole size and stitch density are facilitated here.
3. For heavy fabric, hole is cut before sewing.
4. For lighter fabric, hole is cut after sewing.
5. Special type of sewing thread is used for sewing.
6. To raise the stitch is called gimp.
7. Stitch type: lock or chain stitch may be used.
Zariful Islam Sayed
ID: 170201857 (6F)

2. Button attaching sewing machine:

Fig: Button attaching sewing machine

1. It is a simple automatic machine.


2. Button positioning can be automatic.
3. Sewing is done according to the hole in button and may be cross or parallel.
4. Automatic feeding of the button.
5. Stitch type: lock or chain stitch may be used.
Zariful Islam Sayed
ID: 170201857 (6F)

3. Bar-tak sewing machine:

Fig: Bar-tak sewing machine

1. Simple automatic sewing m/c.


2. It is used for heavy fabric sewing.
3. It is a cyclic operation.
4. It is used where the garments in high pressure such as belt loop, pocket corner.

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