Answer:

1) Different types of sewing machine

Single Needle Lock Stitch Machine

Purpose: Single needle lock stitch machines are used for joining two or multiple fabric plies together. The machine is used to sew lightweight, medium weight and heavy materials.

Overlock Sewing Machine

Purpose: This machine is used for serging garment panels (for example: trouser panels serging) and for overedge stitch. These types of machine are mostly used in knitted garment sewing for overedge stitch. Like side seam stitch of a t-shirt is done using an overlock machine.

Flatlock sewing machine

Usage of these machines: Flatlock machines are used for hemming sleeve and bottom of the knits products. A cover-stitch machine can be used in any part of the garment for decorative purpose

Feed off the Arm

This machine is used in making flat and felt seam. Two needle threads form the chain stitch.

Button Attaching Machine

Purpose: Attach button. Machine stitches button and trim thread automatically.

Button Hole Machine

This machine is used for making the button holes on garments. Button holes can be made with different stitch density. Like in Shirts, Trousers, and Polo Shirts etc.

Bartack machine

Bartack stitch is made to reinforce the seam and garment component. Like in belt loop joining and at the bottom of side pocket opening bartaking is done.

Zigzag sewing machine

This machine is used for zigzag stitching. Used in bra manufacturing, jacket manufacturing.

Multi-needle chain stitch machine

This machine used for smocking operations and pin-tuck operations.

Double needle lock stitch machine

A double needle lock stitch machine is used to sew two stitch lines at a time on the garment part. This reduces stitching time where double stitch line is needed to sew

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Answer:

1.Sewing Machines can be categorized into five types:

Mechanical Sewing Machine.

Electronic Sewing Machine.

Computerized or Automated Sewing Machine.

Embroidery Machine.

Overlock Sewing Machine or serger.

2.

Explanation:

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