STITCHES CLASSIFICATION AND ITS TYPES

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STITCH CLASSIFICATION - VARIOUS TYPES OF STITCHES USED IN GARMENT MAKING


stitches

In the fabric arts, a stitch is a single flip or loop of thread, or yarn. Stitches are the essential factors of sewing, knitting, embroidery, crochet, and needle lace-making, whether or not through hand or machine. A kind of stitches, every with one or more names, are used for specific purposes.

stitch

Loop or loops of one or more threads when bounds with each other by interlacing, interlocking, interlooping or intralooping or any combination during sewing. Then each unit of such structure (Seam) is called stitch.

interlooping

    Ø INTERLOOPING

Passing of a loop of thread through another loop formed by the different thread.

intralooping

    Ø INTRALOOPING

Passing of a loop of thread through another loop • formed by the same thread.

interlacing

    Ø INTERLACING

Passing of a thread over or around another thread or loop of different thread.

 

STITCH CLASSIFICATION/STITCH TYPES

types of stitches

There are 70 types of stitches. Among them 18 to 20 types of stitches are widely used in garments industries.

Stitches are divided into 6 classes:

1.  Stitch class-100 (Single Needle Chain Stitch)

2.  Stitch class-200 (Hand Stitch)

3.  Stitch class-300 (Lock Stitch)

4.  Stitch class-400 (Multithread Chain Stitch)

5.  Stitch class-500 (Over edge Stitch)

6.  Stitch class-600 (Covering Chain Stitch)

STITCH CLASS – 100 (SINGLE THREAD CHAIN STITCH)

chain stitch class 100

·      Single thread chain stitches are formed by intralooping. – One or more needle thread is used for stitch formation.

·      A thread is passed through the fabric by the needle and loop is prepared which is bound with the previous loop made by the same needle.

·      Starting and finishing end of the stitch under this class needs bar taking or back stitching to secure the stitches.

·      Most common uses in blind stitching, hemming, button attaching, button holing, gathering, temporary positioning of garment components, etc.

·      In this way row of stitch is made. – This type of stitch includes stitch type-101, 103 etc.

APPLICATIONS :

ü Used in lap and flap positioning, temporary joining, positioning, basting, hemming, blind stitching, button holing, button attaching purposes.

DISADVANTAGES :

ü Security of stitch is very poor. If one end of the thread is pulled, then the whole sewing will be opened.

 

STITCH CLASS – 200 (HAND STITCH)

hand stitch class 200

    ·      Hand stitch is the stitch looks as if home hand stitch.

    ·      It is made by unique sort of needle and stitching device, that's known as pick stitch sewing machine.

    ·      Needle thread is handed from one side to every other side in the material and makes a sewn line.

·      They are used mainly for coat manufacturing.

 

APPLICATIONS :

ü Used in lapel of jacket, coat and expensive clothes.

ü Stitch type-209 is used for edge of the jacket.

DISADVANTAGES :

ü Time consuming operation.

ü Speed of sewing is very slow.

ü Higher cost.

ü Rare in use.

 

STITCH CLASS – 300 (LOCK STITCH)

lock stitch class 300

·      Two or extra units of threads are used on this elegance of stitch.

·      One set of thread is known as needle thread and every other set is known as bobbin thread.

·      Here one set of threads are interlaced with every other set of thread and make bond.

·      Fine yarn is optimal for this type of stitching.

·      Stitch type 301 is the maximum common amongst three hundred elegance.

·      General functions are stitching, becoming a member of one of a kind additives at some stage in clothes making, top stitching etc.

APPLICATIONS :

ü Extensively used in sewing and fabric attachment as pocket, collar, cuff, facing etc.

ü Also used in top stitching, button holing, button attaching, blind stitching etc.

ü Stitch type 304 is zigzag type, used for attaching lace, elastic and so on.

 ADVANTAGES:

ü Stitches are secured, higher strength and extensibility (around 30%).

ü Both side of this stitch looks same.

ü More secured stitch than chain stitch.

DISADVANTAGES:

ü The main problem of lock stitch is the lower capacity of bobbin thread requires frequent bobbin thread changing.

ü Not suitable for knit fabric sewing.

 

STITCH CLASS – 400 (MULTI THREAD CHAIN STITCH)

multi thread chain stitch class 400

            ·      Stitches are shaped by two or extra set of threads.

       ·  One set of thread is known as needle thread and every other set is known as looper thread.

        ·     The loop of 1 set thread is handed through the material and bound with every other set of thread by interlacing and interlooping.

·      Stitch kind 401 is the maximum not unusualplace amongst four hundred elegance.

·      The the front side of the stitch is looks like lock stitch and the lower back side is visible as double chain.

·      Sometimes this sort of chain stitch is known as double locked stitch, due to the fact one needle thread is bound with loops of the lower thread.

APPLICATIONS :

ü Stitch type-401 is used for long sewing in the jeans and trousers. Also this type of stitch is used with over edge stitch.

ü Stitch type-406,407 is used for joining lace, braid, elastic with the garments.

ADVANTAGES:

ü Strength of 401 is higher than 301.

ü Less possibility of producing seam pucker.

ü Extensibility is same as Lock stitch.

ü Chain stitch can be made by comparatively less tension of thread, so that this classes of stitch is produced with high speed.

ü SPM of chain stitch machine is 8000, where SPM of lock stitch machine is 6000.

DISADVANTAGES:

ü Lower resistance to runback and have increase the bulk under the seam.

 

STITCH CLASS – 500 (OVER EDGE STITCH)

over edge stitch class 500

·      This type of stitch is made by one or extra units of thread and is bound by minimal loops of 1 set of thread by rotating the fabric edge. As a end result thread can not be drawing off from the fabric edge.

·      Before stitching, the material part is wiped clean by the knife of the machine that's positioned at the front of the needle.

·      Sometime it is known as over locking machine, however it is specially over edge stitch.

·      Width of stitch may vary from three to five mm.

·      Width of stitch may vary from 3 to 5 mm.

·      Sometimes it is used for decorative purpose. Extensibility is quite well (may be 300%)

·      Stitch type-504 is the most common. Stitch type-503, 512, 514 also positioned in this category.

APPLICATIONS:

ü Stitch type-504 is used for decoration of fabric end.

ü It is also used in combination with lock stitch and chain stitch. » For light fabric stitch type-512 is used.

ü For coarse fabric such as denim, jeans, cord stitch type-514 is used.

ADVANTAGES:

ü Extensibility is higher ( up to 30%).

DISADVANTAGES:

ü This stitch type is prone to seam grinning (the threads are exposed when the seam is pulled at right angles to the line of sewing).

ü The finish may be somewhat bulky due to the complexity of the seam construction.

 

STITCH CLASS – 600 (COVERING CHAIN STITCH)

flatlock stitch class 600

        ·            Stitches under six hundred elegance are shaped by 3 units of threads.

    ·      First set of thread is known as needle thread, 2nd set of thread is known as top cover thread and 1/3 set of thread is known as bottom cover thread.

·      Stitch type-602 is the most common.

·      This type of stitch is used for sewing underwear, for attaching lace, braid, elastic, etc.

·      It is also used for making cover stitch, decorative stitch and top stitching.

APPLICATIONS:

ü Stitch type-602 is used for attaching tape, lace, braid, elastic to knit fabric.

ü Stitch type-606 is used for making knitted undergarments. It is also used for decorative purpose.

ü For making cover stitch, top stitching in the fabric edge this type is also used.

DISADVANTAGES:

ü Stitches under this group are very complex and may need up to 9 threads.

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