Sequence Of Thread Path In A Lock Stitch Sewing Machine

In sewing operation; thread is supplied from a thread cone. The cone is hold by a cone or spool holder. From the cone, thread reach into the needle by a thread path. It is important to pass the thread through a right path. Otherwise, sewing operation could be hampered. I have written about the thread path of a lock stitch machine in below.

Sequence of Thread Path in a Lock Stitch Sewing Machine: The sequence of thread path of a lock stitch machine is given below.

Thread guide peg

↓

Pre-tensioner

↓

Tension disc

↓

Check spring

↓

Thread guide

↓

Take up lever

↓

Thread guide

↓

Needle with needle eye

So, feed your thread according to the above thread path.

Fabric Guides In Sewing Machine || Types Of Fabric Guides

In sewing, fabric is feed to the needle over the needle plate. Fabric guides allow sewing to proceed more rapidly. Hammers and guides make it easier to feed the material correctly to the needles and to obtain a regular seam line. So, it is important to adjust the fabric guide in right place.



Types of Fabric Guides: Various types of fabric guides are used in sewing machine. Followings are the most used fabric guides.

1. Magnetic edge guide.


2. Adjustable edge guide.


3. Edge guide for maintain a fixed distance.


4. Edge binding guide.


5. Folder in seam guide.


6. Tape guide.


7. Teflon coated presser foot.


8. Lap seam folder.


9. Lifting foot with edge guide.

So, that’s all are the fabric guide. All of them help a smooth stitch production.

Types Of Sewing Machines || Features And Uses Of Sewing Machine

Sewing machine is used for apply stitch in the apparel. Various types of stitching are done by the sewing machine. Depending on the stitch types, sewing machines are classified. On the other hand, sewing machines are classified according to their structure. I have written about the sewing machine according to their physical structure. I also mentioned their features and scope of application in below.

Flat Bed Sewing Machine

Features:

1. Flat bed machine is used for lock stitch or chain stitch.


2. It has a large working area so material can easily pass.

Uses: It has widest application in garment sewing in basic type.

Raised Bed Sewing Machine

Features:

1. Raised bed machine also used for lock stitch and chain stitch formation.


2. It facilities the assembly of pre-sewn.

Uses: It is used for fitting accessories and for button holer.

Post Bed Sewing Machine

Features:

1. Post bed sewing machine is used for forming lock and chain stitch.


2. It has increased working height.

Uses: It is specially used for shoes and bags.

Cylinder Bed Sewing Machine

Features:

1. Cylinder bed sewing machine is used for producing lock and chain stitch on the fabric.


2. It has increased working height (like an arm).

Uses:

1. It is used for sewing tubular parts, trouser legs and sleeves.


2. It is also used for button sewing and bar tacking.

Side Bed Sewing Machine

Features:

1. Chain and over edge stitching is done by side bed sewing machine.


2. It has small working area.


3. Specialized for over lock machine only

So, there is lots of sewing machine. All of them have specific characteristics.

 

Features Of Blind Stitch Sewing Machine In Apparel Sewing

The blind stitch sewing machine is special types of sewing machine which is used for special purposes.



Features of Blind Stitch Sewing Machine: The features of a blind stitch sewing machine are given below.

• The blind stitch means the stitch is not visible on fabric.


• Blind stitch is formed based on chain stitch (1 thread) and lock stitch (2 threads).


• The hem and facings are folded back and caught by the needle (at even intervals).


• In this machine, curved needle is used which penetrate straightly in the fabric.


• Sewing speed of blind stitch machine is up to 3000 stitch/min.

So, that’s all about the blind stitch sewing machine.

Features Of Safety Over Lock Sewing Machine

Safety over lock machine is essential in garment sewing for safety stitching. Different safety over lock sewing machine is available in the market. Some are high speedy and some are low speedy. Manufactures of safety over lock machine is trying to add some advanced features to this machine.



Features of Safety Over Lock Sewing Machine: The features of safety over lock machine are given below.

• The features of safety over lock machine are near similar as over lock machine.


• It is a combination of 2 thread chain stitch and 3 threads over lock machine.


• Used for needles, 3 loopers and 5 cones of thread.


• It provides straight chain stitch plus an edge finish.


• The safety factor is that, one row of stitching comes out; the other still holds the garment together.

So, safety over lock machine is important for forming safety stitching in the fabric.

Features Of Over Lock Sewing Machine In Garment Manufacturing

Over lock sewing machine is used to form over lock stitch. It is used to sew both knit and woven fabric. Side seam, armhole and sleeve of a shirt are sewing by over lock stitch also inseam and side seam of a pant sew by over lock machine. So, over lock sewing machine has a great importance in apparel manufacturing.



Features Of Over Lock Sewing Machine in Garment Manufacturing: The features of over lock sewing machine are given below.

• Over lock machine makes an edge finish as well as to sew seams.


• In one operation; cuts off the fabric to smooth edge and wraps thread around the edge.


• A simple over lock machine has 1 thread and 2 loopers and works with 3 spools or cones of thread.


• Speed of over lock sewing machine is up to 8500 rpm.

So, when you will work with over lock machine, you have to aware about the general properties of the over lock sewing machine.

Features Of Bar Tacking Sewing Machine || Application Of Bar Tacking Sewing Machine

Bar tacking sewing machine is important one in apparel manufacturing. It is used to form lock stitch.

Features Of Bar Tacking Machine: The features of bar tacking machine are given below.

• Bar tacking machine provides forward and backward stitching in short length (about 6 cm) and sew a dense tack.


• Bar tacks containing 18 to 72 stitches, has option to change stitch density.


• Bar tacking machine based on lock stitches.

Uses of Bar Tacking Machine in Apparel Sewing: The uses of bar tacking machine in apparel sewing are given below.

1. Bar tacking sewing machine is used to secure pocket corners, belt loops, the open end of a button hole, zipper flies.


2. Bar tacking machine is also used for small decorative tacks and shapes.

So, that’s all about bar tacking sewing machine.

Sewing Techniques Of Button Sewing Machine

Button sewing machine is used for garment sewing because huge amount of apparel is made here. Button can be sewing by hand but it is used for bespoke garment making. Button sewing machine is used to sew the button to adjust with the apparel. Generally lock stitch or chain stitch is used to sew the button.



Features of Button Sewing Machine: The features of a button sewing machine are given below.

• Buttons with 2 holes, 4 holes or shanks can be sewn on the same machine.


• Buttons can be placed manually or by a magazine.


• Generally the needle has a vertical movement only.


• Button is moved from side to side by the button clamp.


• Machine has a number of stitches. i.e. 16, 24 or 32 are adjusted.


• Button can be sewn using lock stitch or chain stitch.

So, if you want to sew button, you have to use button sewing machine.

Features Of Button Hole Sewing Machine | Uses Of Button Hole Machine

Button hole sewing machine is used to make hole of button of a apparel. Various types of button hole is formed by the button hole machine. Apparel may contain one or more button hole. The style of hole depends on the button. The entire button has not same shape. So, it is important to use correct button hole sewing machine for making the button hole.

Features of Button Hole Sewing Machine: The features of button hole sewing machine are given below.

1. A button hole sewing machine is a straight or shaped slit cut.


2. The material is cut either before or after the sewing machine.


3. The button hole is cut before sewing on non fray fabrics.


4. Sewing is performed before cutting tendency to fray.


5. Adjustments to the control cam and the gear drive after the stitch density and button hole length.

Uses of Button Hole Machine: In the following cases, button hole machine is used.

• Straight hole are mainly used for shirts and blouses.


• Eyed holes are for trousers, coats and jackets.


• Button holes used lock stitch or chain stitch.

So, button hole machine is important for button hole sewing.

Stitch Formation Techniques Of A Lock Stitch Sewing Machine

Lock stitch machine is used for making various types of apparel. The lock stitch is done by the plain sewing machine. Various types of lock stitch machine are available in the market. To operate such types of lock stitch machine, the operator should have enough knowledge about the sewing techniques. The manufacturer supply guide line about the sewing machine operation. Faulty sewing can bring faults in the fabric. So, it is important to know the stitch formation techniques of a lock stitch sewing machine.


Stitch Formation Techniques of a Lock Stitch Sewing Machine: The techniques of stitch formation of a lock stitch machine are given below.

1. At first, material feed to the needle over the throat plate.


2. Then, the needle is inserted into the material.


3. After that, as the needle moves upwards from its lowest position, the needle thread forms a loop which is caught by the point of the hook.


4. Again, the hook enlarged the needle thread loop and is guided around the bobbin thread.


5. Then, interlacing begins.


6. Finally, the take up lever tightens the stitch into the material and the material is fed forward.

So, lock stitch is formed by the above stitching techniques of plain sewing machine.

Features Of Lock Stitch Sewing Machine || Plain Sewing Machine

Lock stitch is one of the important stitch types among all the stitches. It is used to make pant, shirt, dresses and various parts of the apparels. Plain sewing machine is used for lock stitch. Plain sewing machine is also called lock stitch machine. To operate this machine, one should have practical knowledge about plain sewing machine.



Features of Lock Stitch Sewing Machine: Plain sewing machine is used for lock stitch formation. Followings are the features of lock stitch sewing machine.

• Lock stitch is formed by single needle of a plain sewing machine.


• The speed of a lock stitch sewing machine is up to 6000 rpm.


• During stitch formation; the needle thread is interlaced with the bobbin thread by means of a hook.


• Lock stitch machine can be distinguished by the winding device provided for bobbin thread.


• Programmable plain sewing machine is used for sew repetitive operation.

Lock stitch or plain sewing machine is made by various famous sewing machine manufacturers. Day by day, they manufacture such types of machine which have latest sewing technology. Brothers, Singer, Juki, Butterfly and others are the major sewing machine manufacturer.

Common Components Of A Garment Sewing Machine

Sewing machine is essential for garment making. Various types of stitching are done by the help of sewing components. Different types of stitching are done by different sewing machine. All of the sewing machine is not same in model and functions. But all have a common structure.

Basic Components of a Garment Sewing Machine: Basic components of a sewing machine are given below.

• Head


• Horizontal Arm


• Vertical Arm


• Bed Plate


• Working Width


• Working Height

Above components form the simplest form of a sewing machine.

Following components are available in a sewing machine. They are –

1. Spool Pin


2. Thread Guide


3. Tension Disc


4. Take Up Lever


5. Needle Bar


6. Bobbin Case


7. Presser Foot


8. Presser Foot Lifter


9. Stitch Regulator


10. Bobbin Winder


11. Fly Wheel


12. Clutch or Thumb Screw


13. Slide Plate


14. Needle Plate or Throat Plate


15. Feed Dog


16. Face Plate


17. Spool Pin for Bobbin Winder

Above components which are listed here that is common for hand sewing machine, treadle sewing machine or electric sewing machine.

Presser Foot | Features And Basic Functions Of Presser Foot Of A Sewing Machine

Presser foot is an important sewing machine component. It is used for controlling the movement of materials during sewing. We know, sewing is done by the stitching of needle which is completed with the assistance of feed dog and throat plate. During the sewing operation it needs to keep the fabric under control that is done by the presser foot.

Description of Presser Foot: The mechanical description of presser foot is given below.

• In the sewing machine; presser foot is attached to the presser foot bar.


• Presser foot are two types, they are – single presser foot and double presser foot.


• Fabric guides or folders may be used with the presser foot for special purposes.

Basic Functions of Presser Foot: Presser foot is used for some basic needs. Here are they –

1. Presser foot has an adjustable spring loaded pressure by which it holds the materials.


2. Presser foot keeps the material under control during sewing.


3. It helps the operator for regular seaming, piping edges, tape binding etc.

Different sewing machine manufacturer make the sewing components which is available in the market. So, if any component of the sewing machine parts destroys you can buy one from the nearest shop. During buy, you have to be careful about the adjustment of the machine parts with that’s specific machine.

Features Of Throat Plate Of A Sewing Machine

Throat plate is a basic component of sewing machine. Sometimes it is called needle plate or stitching plate. It is a flat metal piece below the presser foot. Throat plate placed under the machines needle and presser foot. The throat plate has an opening for the needle for stitching and an opening for the feed dog for emerge from below and forward the fabric towards the needle.



A throat plate consist of –

1. Slit


2. Needle Hole


3. Screw

Description of Throat Plate: A throat plate has some features. The features of throat plate are given below.

• Throat plate is a static component.


• It contains slots for feed dog.


• It has one or more holes for the needle.


• The upper surface of the throat plate is highly polished.

The basic function of a throat plate is to pass out the fabric over this area as smoothly as possible. So, throat plate is a important element of a sewing machine.

Description And Basic Functions Of Feed Dog Of A Sewing Machine

Feed dog is the basic component of a sewing machine. It is used to control the motion of a fabric. The needle plate is used to cover the feed dog and feed dog pushes fabric towards the needle. After that, stitching is done on the fabric. The structure of the face side of the feed dog is zigzag and it contains rows of teeth.

Feed dogs are classified as –

1. Saw Tooth


2. Upright


3. Diamond

Description of Feed Dog: The description of a feed dog is given below.

• A feed dog contains rows of teeth which are like a saw.


• In the throat plate, the feed dog is moved upwards and forwards through the slits.


• Feed dogs have an elliptical “LOCUS movement”.

Basic Functions of Feed Dog: Basic functions of feed dog are given below.

1. To move the fabric forward is the main function of feed dog.


2. The distance between teeth to teeth is equal to the distance of one stitch length.

Various types of sewing machines are used for garment sewing. All of the sewing machine has feed dog but mechanism of all feed dog are not same. It is most important to adjust the feed dog to the sewing machine. To do this one can take help from the manual of the sewing machine or can take help from the technician.

Process Sequence Of Embroidery In A Apparel Manufacturing Industry

In apparel manufacturing unit; embroidery is special types of task. It is done according to the buyer requirement. Generally, embroidery is a complex work if it is done manually for single fabric. Manual process takes more time to produce a complex design. Besides this, computerized embroidery machine is suitable to produce complex and lengthy design. It needs to install CAD software and make the design by CAD.

Process Flow of Embroidery: Embroidery is done according to the following sequence in an apparel manufacturing industry.

At first designed the buyer design by CAD software

↓

The design software install into the machine

↓

The fabric clamped by the clamp board

↓

Then run the machine until finished the design

↓

Then the fabric collects for delivery

Embroidery Machine Name: There are various types of companies which are looking to manufacture latest embroidery machine with latest facility. Here, I present an embroidery machine manufacturer of Korea. They make following embroidery machine type-

1. SWF 15 head, 9 needles with sequin device.


2. SWF 20 head, 9 needles with sequin device.


3. SWF 12 head, 9 needles with sequin device.

In present China, India, Taiwan, Japan, Germany, USA, UK and other country is trying to develop the embroidery machine feature. Singer, Butterfly, Brother, Melco, Tajima, Happy, JANOME, Sun Shine, Prodigi etc are the most popular embroidery/sewing machine manufacturing brand.

So, choose your embroidery machine according to your demand.