Classification of stitch class-300 (Lock stitch ) , Uses , Advantages and Disadvantages ~ Basic Textile

Stitch class:301 :

Straight Lock stitch, with a single needle thread and a single bobbin thread.
It is still the commonest stitch used in the clothing industry.
Especially in small volume manufacturing of a variety of garment types.
It is the tightest and most secured stitch among all stitch types
It is reversible and used extensively for top stitching, especially along collar and cuff edges, and fronts of jackets.

Stitch Formation :

Uses :

Seam joining of facing
Collars
Pockets
Cuff edges
Multiple plies etc

Advantages :

Seam extensibility is around 30%.
Seam strength is sufficient.
Similar appearance in both sides of fabric.
Stitches are secured and security can be increased by back taking.
Abrasion resistance is better

Disadvantages :

Lower capacity bobbin thread requires frequent bobbin thread changing.
Not suitable in knitted garments.

Stitch class:304 :

It is single throw , zigzag version.
Stitch is formed with a needle and a bobbin that is it in the center of the seam and forms a symmetrical pattern.
It is commonly used for attaching trimmings such as lace and elastic where a broad row of stitching but no neatening is needed.
Also, used to identify bar tacking and lock stitch button sewing and button holing.

Stitch Formation :

Uses :

Intimate apparel
Athletics wear
Footwear
Exercise wear
Zigzag stitch Etc

Advantages :

Zigzag type
It is used for lace or elastic attachment on garments.
Extensibility comparatively high than 301.

Disadvantages :

It would not give a good appearance on a super imposed seam.
Stretchy stitch for the edges of stretch bras.

Stitch Class-306 :

1.Provides a lock stitch blind stitch.
2.This is more secure than the traditional 106.
3.The stitch construction will show a straight bobbin thread.
4.It also tends to show pucker on fine fabric

Blind stitch :

Blind stitch geometry is a derivative of the zigzag. It is created in the same manner, except that the needle zigs to the side and then zags back only once every fourth or fifth stitch. It is used to reduce the visibility of hems and other seam edges.

Uses :

Buttonholing
Edge
Bras
To make style

Advantages :

1. To make the garments attractive.
2 Have greater extend.
3. Possibility of restitching.

Disadvantages :

1. It uses a bobbin to provide the lower thread.
2. Bobbin can only contain a limited length of that thread.
3. Running out of thread is very poor, where a join is visually unacceptable.
4. Major problems occure on bobbin running, which involved loss of stitching.
5. Unsuitability for edge neatening.

Stitch class-315 :

This are the formation of three step zigzag stitch.
It is used in decorative purposes.
Need two set of threads

Formation :

Stitch class:300 is the formation of lock stitch. Its extensibility is less than chain stitch. It is not suitable for knit fabric sewing. But it is extensively used in woven fabric construction such as pocket, collar, cuff, facing. It is also used in stitching, button holing, button attaching, blind stitching etc. so we can say that stitch class:300 is much more important for make a garments.