Some Different Garments Sewing Machine With Their Specification

Singer Futura CE-150 Sewing Machine
Specifications:
Product Name: Singer Futura CE-150
Product Code: CE-150
Price : $399.00 USD
Product Type: Sewing Machine

Description:
This sewing machine uses the 15J bobbin class, as well as 2000 and 2020 needles. For computer requirements, the embroidery software requires:
    Windows 2000, XP, ME, or Vista
    Pentium 3 or faster
    At least 128 MB RAM
    A CD-ROM drive
    At least 500 MB of hard disk free space for the installation of the program
    A monitor with at least 640×480 pixels and 16 colors

Brother LB-6800PRW Sewing Machine
Specifications:
Product Name: Brother LB-6800PRW
Product Code: LB-6800PRW
Price : $374.97 USD
Product Type: Sewing Machine

Description:
    Product Dimensions: 21.5 x 16 x 22 inches ; 25 pounds
    Shipping Weight: 38.2 pounds
    LCD Screen
    Needs 120V support (even with adapter)
    Electronic Sewing Speed Control
    Auto-needle threader
    Auto-bobbin winding
    Computer connectivity (update-capable)
    67 built-in stitches; 70 built-in embroidery designs; 5 monogram fonts; 120 frame pattern combinations
    Accessory: Project Runway Rolling Luggage

Singer 9960 Quantum Stylist Sewing Machine
Specifications:
Product Name: Singer 9960 Quantum
Product Code: 9960 Quantum
Price :  $329.99 USD
Product Type: Sewing Machine

Description:
The major specs of the Singer quantum stylist 9960 include 13 fully automatic One-Step buttonholes, the inclusion of a buttonhole plate, a programmable up and down needle, an electronic and automatic Thread Cutter, an automatic bobbin winding clutch, and a high speed and power of sewing. It can even run on Auto Pilot! More than that, it has 25 available needle positions, error warnings, mostly automatic functions, a high-powered motor and a heavy-duty metal frame.

Juki MO-623 Sewing Machine
Specifications:
Product Name: Juki MO-623
Product Code: MO-623
Price : $599.00 USD
Product Type: Sewing Machine

Description:
    Color-coded threading guide is included
    Adjustable tension
    Multi-function presser foot
    Heavy duty serging knife system
    Precise serging method
    Easy cutting width adjustments
    Bright lights included for an easier working view
    Easy to adjust stitch lengths
    Automatic rolled hemming
    Built-in Needle Plate
    Knife-cutting mechanism is disengage able
    Produces up to 1,500 stitches per minute

Juki tl-2000qi Sewing Machine
Specifications:
Product Name: Juki tl-2000qi
Product Code: tl-2000qi
Price : $899.00 USD
Product Type: Sewing Machine

Description:
    Thread trimmer is automatic
    Inclusion of the thread tension scale
    Sews material with ease
    Presser foot pressure can be adjusted
    Needle has up and down control
    Has LED-light illumination
    Needle threader is automatic
    Bobbin replacement is easy
    Inclusion of the 1/5 inch JUKI quilting foot
    Has a knee lever lifter
    Has an even feed foot

SINGER Heavy Duty 4411 Sewing Machine
Specifications:
Product Name: SINGER Heavy Duty 4411
Product Code: Heavy Duty 4411
Price : $119.99 USD
Product Type: Sewing Machine

Description:
This sewing machine model is a total workhorse capable of 11 stitching options, and fast stitching capacity. It sports a 60% stronger motor power to handle many kinds of materials without having problems. The width of the stitch is fully customizable as well up to 5mm. There are three needle positions available, plus the machine has snap-on presser feet, and an extra-high presser foot lifter.

Brother PR-650 Commercial Embroidery Machine
Specifications:
Product Name: Brother PR-650
Product Code : PR-650
Price : $389.99 USD
Product Type: Embroidery Machine

Description:
Start Your Own Embroidery Business with the PR-650. Embroider Caps, Bags, Shirts, for local sports teams, Monogram Shirts and Uniforms for local Schools and Businesses, Personalise gifts etc.

Pegasus W664 Sewing Machine
Specifications:
Product Name: Pegasus
Product Code : W664
Price : $669.99 USD
Product Type: Sewing machine

Description: 2 or 3 needles with gauges of 3.2mm, 4.8mm, 5.6mm or 6.4mm suitable for seam covering and hemming garments.

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Learn About Sewing Problems/Problems Of Sewing/Different Type Of Sewing Problems

Different Types Of Sewing Problems

Sewing problems consist of-
01. Problem of stitch formation.
02. Seam pucker.
03. Fabric damage at the seam line.

01. Problems of stitch formation
(A) Broken Stitch: if there is s break in sewing thread
Causes:
Needle damages the thread in the seam, i.e, wrong needle size and thread size.
Broken stitches can also occur when there is excessive abrasion or chemical degradation of the thread during the wash process.
Improper thread Tension
Edges of the needle plate, presser foot, needle holes may have sharp edges
Excessive presser foot pressure can cause the thread to be damaged
Remedies:
Needle size and thread size should be synchronized
Special care should be taken during washing
Tension of threads should be properly adjusted
Sharp surfaces should be removed
Inspect the needle point at regular intervals and check for sharp or burred points 

(B)Skipped stitch: If the upper thread in continuous stitches can not pick the lower thread i.e. binding miss during stitch formation is called stitch.
Causes:
Loop size or needle is small.
Needle deflection or bending.
Tension variation in lopper and needle thread.
Hook or lopper or needle is not able to hold the thread  loop in proper time.
Remedies:
Timing of  (hook or lopper) with needle should be adjusted properly.
Adjust needle and thread size.
Adjust tension property.
Change of thread.

(C) Staggered stitch: If the stitches produced by needle are not parallel with the seam line, staggered stitches formed.
Causes:
Needle vibration or deflection.
Blunt or wrong needle point.
Not proper adjust of needle size and thread size.
Faulty movement controlling of fabric into the feed mechanism.
Remedies:
Needle size should be proper.
Change of needle or thread size.
Change of feed mechanism.

(D) Unbalanced Stitch: If the interlacement of the needle thread and bobbin thread does not takes place at the middle of two layers of the fabric then unbalanced stitch is produced.
Causes:
Incorrect tension of sewing thread.
Incorrect passage of thread through the guide.
Due to insufficient lubrication, (uneven) tension variation increased.
Remedies:
Adjust thread tension.
Correct the passage of thread.
Use good quality of thread.

(E) Variable stitch density: If the no. of stitch varied in the seam line per unit length, then variable stitch density occurred.
Causes:
Insufficient pressure of pressure foot, causing uneven feeding.
Feed mechanism is not working properly.
Wear of feed mechanism.
Lose of parts.
Improper unwinding of thread.
Twisting of needle in the bottom of thread package.
Fraying of thread in the needle.
More tension in the thread.
Becoming of more heating of thread and hook.
Remedies:
Uses of improved feed mechanism.
Increase of pressure of pressure foot.
Proper threading of sewing thread.
Thread can be changed.
Proper use of lubricant.
Use of quality needle.
Finer thread can be used.
Tension of thread must be adjusted.

(F) Frequent thread breakage:
Causes:
Improper unwinding of thread from package.
Higher thread tension.
Excess needle heating.
Lower quality of thread.
Remedies:
Reduce tension in tension in tension disc/post.
Reduce thread tension.
Use of strong yarn.
Change the needle if required.
Use coarser needle.
Use of high quality needle.
Use lubricant.
Use needle cooler.
Confirm oil supply.
Change of thread.

02. Problems of Seam Pucker
Pucker is a wrinkled appearance along with sewing line.
(A) Unequal stretch on fabric:
Causes :
If two or more plies fabrics are sewn together, one ply will be feed more than other and seam pucker create due to uneven stretch.
This pucker formed due to limitation of feed mechanism.
Remedies:
Improved feed mechanism of sewing machine.
Skilled operator and fabric handling would be special process.
(B) Fabric dimension instability:
Causes:
When two or more types of fabric are sewn together and one type of fabric shrinks more, then after washing differential seam pucker is formed.
Remedies:
Shrinkage difference must be less than 2 %.
We should test shrinkage of two types of fabric before sewing.
(C) Extension in sewing thread:
Causes:
While sewing threads are subjected to tension and for tension thread will be extended and after sewing when thread get chance of relaxation then seam pucker formed.
Remedies:
Tension of the thread should be kept as low as possible.
By changing the sewing threads.
(D) Sewing thread shrinkage:
Causes:
After sewing, if the sewing threads shrinks due to wash or iron, then seam pucker occurred.
Remedies:
Shrinkage of sewing thread must be equal to the fabric shrinkage.Before sewing, the shrinkage property of both thread and fabric should be known.
(E) Fabric construction:
Causes:
* In a compact fabric high EPI and PPI, while sewing of such fabrics, the threads are displaced around the needle and because of lack of space, pucker may be seen along the holes created by the needles.
Remedies:
Very difficult to overcome this type of problem but to reduce the problems following steps should be taken:
* By using fine / thin needle and fine / thin thread.
* Reduction of stitch density.
* Change the fabric if possible.
(F) Mismatched patterns:
If two pattern pieces of unequal length are joined, then one is joined with another by creating contraction, seam pucker creates.
03. Fabric Damage at the Seam Line
Causes:
* This type of fault is mainly due to needle specially bent, blunt or damaged needle.
* For this fabric damage, sewing strength becomes low and due to more fabric damage, fabric may be tear off at the sewing line.
* Fabric may be damaged with new and good needle if needle size and needle selection is wrong.
* This fault is visible after washing and wear.
* Two types of fabric damage can be occurred with needle at the seam line:
* Mechanical damage.
* Needle heating damage.
(A) Mechanical damage:
* To minimize the damage, the following steps are taken:
* Needle size and point should be properly selected.
* Machine speed should be reduced.
* Application of lubricant.
* Test the sew ability before sewing  of fabric.
(B) Needle heating damage:
* The temperature in needle due to friction between needle and fabric is up to 300 – 350ºC.In this temp, needle or fabric both may be damaged.
* As synthetic fibers is melted at around 250ºC of needle. Groove in needle and eye are closed.
* We can solve the problem by-Less speed of machine, proper needle size and shape, short length of sewing, cool air use, lubrication. 

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Features of Different Types of Sewing Machine

Different Types of Sewing Machine

01. Lock Stitch Machine:
* No. of needle –1 or 2.
* SPM (stitches per minute) 1500 – 5,500.
* Stitch length – 5mm
* Most commonly used for sewing of woven garments.

02. Chain stitch Machine:
* No. of needle – one or more needle.
* No. of thread – one or more thread (Single thread or multi thread).
* SPM – 1800 – 6000.
* Stitch length – 1.4 to 4.5 mm.
* Used in knitted wear and jeans.

03. Over Lock / Over Edge Machine:
* No. of needle – one or 2 needle.
* No. of thread 2 – 5 threads.
* SPM 6500 – 8500.
* Stitch length – maxm 4mm and stitch length can be changed by push button.
* Used for sewing both woven and knitted goods but extensively used for knitted goods.

04. Zig – Zag Stitching Machine:
* No. of needle – 1.
* No. of thread – two.
* Stitch length 2 – 2.5mm.
* SPM – 5500.
* Used in edge neatening or decorative top stitching or to fit extra component e.g. elastic, tape, braid etc.

05. Flat Lock Machine:
* No. of needle – up to 4.
* No. of Thread – 4 to 9.
* SPM – 6000.
* Stitch density – 8 to 16 per inch.
* Both for woven and knitted gets but mainly used for knitted gets.

06. Blind Stitch Machine:
* No. of needle –1.
* No. of Thread- 1 or 2
* SPM (stitches per minute) 2500.
* Special type of sewing m/c and very expensive.Used for hemming where less force is required.


SIMPLE AUTOMATIC SEWING MACHINE :
07. Button Holing Machine:
* Stitch group – lock or chain stitch.
* Arrangement of button hole size being small or larger.
* Arrangement of stitch density being increased or reduced.

08. Button Attaching Machine:
* Produces lock stitch, chain stitch or hand stitch.
* Various types button clamps needs for attaching various sizes and types of button.
* In fully automatic m/cs, button feeding and positioning inside the button clamp is performed by a hopper and pipe.It can attach predetermined no. of buttons at a predetermined distance in a cyclic order.

09. Bar Tack Machine:
* Strong sewing in very short length in cyclic order.
* Used for jeans (mostly) sewing of belt loops, closing the ends of button holes, for increasing strength at the ends of the pocket.After making tack stitch in short length (1 – 2cm), cover stitch (zigzag) is made on tack stitch and the no. of cover stitch.

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What Is Work aids/Objectives of Work aids/Different Types of Work Aids

What Is Work aids
The extra m/c parts which may be attached to speed up the production and improve quality in the sewing m/c are called work aid.

Objectives of Work aids:
* To increase the production.
* To improve the quality of garments.
* To reduce the work – load on operator.
* To reduce the time for handling.
* To control the garments quality

Different types of work aids:
Guide: Guides are used for correct sewing in predetermined position or in a determined and proper distance from edge of fabric.
Compensation Test: Used to sew at 1-2 mm (very little distance) from the fabric ends.
Specialized Pressure Foot: Specialized pressure foot used for attaching of braid or elastic.
Rack Guide: Rack guide is used for the attachment of lace, braid, elastic with the garments parts.
Light: Special marker used which are not visible in normal light but visible in ultra violet ray.
Folder: Folder is device which is used to fold the fabrics prior to sewing.
Compressed Air: Compressed air helps to increase the quality of the products.
Stacker: The gets are shifted from m/c to m/c in bundle or box form.
Thread cutter: After sewing is completed, the thread is cut.
Stitch Jig: The small portion of garments is cut accurately by die.For precise and accurate sewing of such parts stitching jig is used.
Slack Feeding: Lace, braid, tape supplied in roll forms exists tension and attached in the gets in tension condition, seam pucker may be created due to shrinkage.Slack feeder is used to avoid this problem.
Elastification: Elastication can be made using folder in the front of pressure foot.Computerized elastication m/c increase products quality and productivity.
Latch Back Devices: In over edge sewing m/c the thread cutting ends can be secured with the air flow latch back.In this method one end can be lace back.

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Precautions Considered Before Sewing/Points Considered Before Sewing

The following maintenance points are to be considered carefully:

* M/c should be cleaned every day.
* Essential parts of the m/c should be lubricated or oiled regularly.
* Needle should be adjusted carefully.
* Needle thread, bobbin thread or looper thread should be threaded correctly and their tension should be adjusted.
* The pressure of pressure foot should be adjusted.
* Stitch density should be adjusted.
* Switching (on/off) should be proper.
* M/c should be handled according to instruction.
* The hand wheel should always be rotated towards the operator.
* During fabric feed and with drawl, the needle should be picked at the top most position and the pressure foot is lifted.

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Functions of Different Parts of A Sewing Machine/Different Parts Of Sewing Machine/Learn About the Sewing Machine Parts

Discuss Different types of Parts Of Sewing Machine with figure and also Functions of different parts of a sewing machine.....

01. Reverse Lever: The reverse lever allows you to stitch in reverse.  We use reverse to make our stitches secure at the beginning and end of seams.

02. Pattern Selector: The pattern selector lets you determine what kind of stitch you will be making, such as straight stitches or an embroidery stitch or zig-zag.

03. Stitch Length: Stitch length determines the length of the stitch.

04. Bobbin Winder: The bobbin winder winds the thread from the spool to the bobbin, mechanically.

05. Spool Pin: Spool pin holds the spool of thread.

06. Thread Tension: Thread tension determines the tightness or looseness of the stitch.

07. Pressure Dial: The pressure dial determines how much pressure the presser-foot will have on the fabric.

08. Face Plate: The face plate is a cover that covers all the inner working parts of the sewing machine.

09. Check Spring Holder: The check spring holder is actually hidden in our machines.  It works with the thread tension to slow down the amount of the thread going to the needle.

10. Sewing Light: The sewing light helps you to thread the needle and to see your stitching;  both day and night.

11. Feed dogs: Feed dogs are a “teeth-like”part that works with the presser-foot to pull your fabric through the machine.

12. Throat Plate: The throat plate has stitching guide lines on it and has a hole for the needle to pass through to the bobbin casing.

13. Slide Plate: The slide plate is a clear plastic cover that covers the bobbin case to keep dust and  dirt out of the moving parts area of the bobbin case.

14. Presser Foot: The presser-foot holds the fabric against the feed dogs; so the feed dogs can pull your fabric through the machine.

15. Needle Clamp: The needle clamp is a black clamp that tightens to hold the needle in place.

16. Presser-foot Lifter: The presser-foot lifter gently lifts the presser-foot up and lowers it against the feed dogs.Note: the presser-foot must be lowered before you begin to sew; or fabric will not move through the machine.

17. Hand Wheel: The hand wheel raises and lowers the needle.  You must  always pull the hand wheel towards yourself to prevent tangling of the threads.

18. Power Switch: The power switch turns on the power on the sewing machine and also turns off the power, electrically.

19. Power Socket: The power socket connects the power source to the sewing machine.

20. Foot Pedal: The foot pedal operates the speed of the sewing machine, electrically.

21. Thread Cutter: The thread cutters cut the threads at the end of a row of stitching to disconnect your fabric from the sewing machine.

22. Take-Up-Lever: The take-up-lever pulls the thread back after each stitch, so that the stitches will lay evenly into the fabric.

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Image Of Sewing Machine Of Front Side View

Sewing Machine

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Properties Of Sewing Thread / Embroidery Thread / Study on Sewing Thread and Embroidery Thread

Properties Of Sewing Thread
Parameters To Be Considered Of Sewing Thread or Embroidery Thread:The different parameters of sewing thread are now discussed below....

Tensile Strength: The minimum load required to break the thread is known as tensile strength of that thread.It is denoted by gm, kg or lb and may very depending on temperature, humidity, applied force, rate of return and length of thread.

Tenacity: The ratio of tensile strength and count or thickness of that thread is known as tenacity.It is denoted by gm per denier or gm per tex.Formula of tenacity: Tensile Strength/Count or Thickness.

Loop Strength: Sewing thread has minimum strength in its loop position and the minimum load required to break the loop is known as loop strength.

Loop Strength Ratio: The ratio of thread tenacity and loop strength of that thread is known as loop strength ratio.The maximum value of loop strength ratio may be 2.So loop strength ratio = (Tenacity/Loop Strength)=2 .

Elongation At Break: It is extension of thread at breaking point.This is expressed in percentage.Elongation of break is=(extension/original length)*100% .

Minimum Loop Strength: The loop strength is weaker loop is known as minimum loop strength.It is used to determine the performance of a thread in the stitch.

Elasticity: It is the property by virtue of which the thread returns back to its original position when deforming force is released.When the thread do not back to its original position after extension is called plastic.When the thread back to its original position after extension is called elastic.

Shrinkage: The dimensional change of thread after washing with water or heat is called shrinkage.It is expressed as %. For shrinkage of thread, seam pucker is occurred.

Abrasion Resistance: It is the frictional resistance of one thread to another thread.It is most important to determine the sewing performance of threads.

Color Resistance: The resistance of a thread to change in any of its color characteristics to transfer of its colorant to adjacent materials or both as results of the exposure of the thread to any environment that might be encountered during the processing , testing , storage or use of thread.

Twist: A thread with too little twist may fray and break one with too much can cause snarling, looping and knotting.

Ply Security: This is a thread's ability to stay together during the sewing process.The most common type of thread break is caused by a loss of ply security.If the piles open op during the sewing process they are much more susceptible to breaking.

Uniformity: Imperfections or defects in thread are thick and thin places that can cause sewing problems.The most common imperfections are-knots, slubs, neps,dropped ply,dropped filament and singles kinks obviously the fewer the better.

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What Is Sewing/Objectives Of Sewing/Factors To Be Considered Of Sewing

Sewing:
A sewing operation is any seaming or stitching activity which can be performed without extracting the fabric from under the needle.

Sewing Objectives:
Construction of seams which combine the required standards of appearance and performance with in appropriate level of economy in application.

Sewing Factors To Be Considered:
01.Seam Type: Particular configuration of seams in fabrics.

02.Stitch Type: Particular configuration of threads of in the fabrics.

03.The Sewing M/C Feeding Mechanism: It moves the fabric past the needle and enables a succession of stitches to be formed.

04.The Needle: Needle which inserts the thread into the fabric.

05.The Thread: Thread which forms the stitch which either holds the fabric together,neatens it or decorating.

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