8 Sewing Faults With Causes and Remedies

By | March 8, 2016

8 Sewing Faults With Causes and Remedies

Mayedul Islam
Merchandiser at Fashion Xpress Buying House.
Badda, Dhaka, Bangladesh.
Email: [email protected]

 

Introduction:

Sewing section is the most important department of garments manufacturing factory. Maximum faults are arise here which hamper the total quality of apparel. There are mainly eight types of sewing faults seen in the sewing section of readymade garments factory which are explained in this article with their causes and remedies.

Different types of sewing faults in garments

Different types of sewing faults in garments

Common Sewing Problem with Causes and Remedies:

Various types of sewing problem which are arise during sewing the garments are-

  1. Skipped stitches,
  2. Unbalance stitch,
  3. Staggered stitch,
  4. Variable stitch density,
  5. Seam puckering,
  6. Bobbin or looper thread breakage,
  7. Needle thread breakage,
  8. Thread fusing when sewing machine stops.

All the above sewing faults have explained in the below with their causes and remedies:

1. Skipped stitches:

SL No.
Causes
Remedies
01
Failure of hook or looper and needle to enter loop at correct time.
Examine the setting and timing between needle and hook or looper.
02
Irregular thread tension on upper or lower loop.
The tension of thread should be adjusted.
03
Due to needle deflection.
Needle should be changed.
04
If needle thread loop size is too small.
Needle size and thread should be adjusted.
05
When flagging of fabrics is happened during sewing.
The pressure of pressure foot should be adjusted perfectly.
06
If sewing thread is unable to form loop.
Thread should be changed.

2. Unbalance stitch:

SL No.
Causes
Remedies
01
Incorrect tension of sewing thread.
Setting of accurate tension to the thread.
02
Used incorrect thread path.
Using of accurate thread path.
03
Incorrect adjustment of needle thread path.
Using of right thread path.
04
Snagging of needle with bobbin case and positioning finger.
Bobbin case to be smooth and finger positioning to be set again.
05
If sewing threads are not lubricated.
Better quality threads must be used here.

3. Staggered stitch:

SL No.
Causes
Remedies
01
Due to needle deflection.
Needle size should be increased.
02
Due to wrong needle point.
Needle should be changed.
03
Incorrect adjustment of needle and thread size.
Needle size and thread size should be changed.
04
Due to defected motion of feed dog.
Feed dog motion should be adjusted.
05
If fabrics not controlled properly in the feed mechanism.
Accurate pressure of pressure foot should be adjusted.

4. Variable stitch density:

SL No.
Causes
Remedies
01
Incorrect unwinding of thread form package during sewing.
The position of thread guide should be 2.5 times higher than the position of thread package.
02
Twisting of needle thread in the bottom of thread package.
Foam pad should use to the bottom of thread package.
03
Twisting of thread in thread guide.
Correct threading of sewing thread during sewing.
04
Excessive tension of thread.
Tension of thread should be less or use of higher strength threads.
05
Using of broken check spring.
Check spring should be changed.
06
Fraying of thread in the needle.
Finer threads should be used or to be used heavy needle.
07
Becoming more heated of sewing thread.
Needle lubricant and needle cooler should be used.
08
Becoming more heated of hook.
Lubricant should be available and test the distance between needle and hook.
09
Using of low quality sewing thread.
Sewing thread should be changed.

5. Seam puckering:

SL No.
Causes
Remedies
01
Higher thread tension.
Bobbin tension should be kept as low as possible.
02
Improper thread balance.
Proper thread balance should be ensured between top and bottom thread.
03
Incorrect thread types.
Have to maintain tension guidesproperly.

6. Bobbin or looper thread breakage:

SL No.
Causes
Remedies
01
Incorrect winding of threads on to the bobbin.
Proper winding of threads on to the bobbin.
02
Excessive tension to the bobbin threads.
The tension should be adjusted to the bobbin threads.
03
If the edges bobbin case, looper eye and so on are more sharpened.
The edges should be smooth.
04
Incorrect fitting of bobbin case.
Test the size and types of bobbin.

7. Needle thread breakage:

SL No.
Causes
Remedies
01
Incorrect winding of threads on to the bobbin.
Proper winding of threads on to the bobbin.
02
Excessive tension to the bobbin threads.
The tension should be adjusted to the bobbin threads.
03
If the edges bobbin case, looper eye and so on are more sharpened.
The edges should be smooth.
04
Incorrect fitting of bobbin case.
Test the size and types of bobbin.

8. Thread fusing when sewing machine stops:

SL No.
Causes
Remedies
01
Faulty sewing thread.
Should be used better quality thread.
02
Densely woven fabric which is poorly finished.
Should be improved fabric finishing.
03
Damaged needle after sewing thread breakage.
Should be changed the needle.

 

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5 thoughts on “8 Sewing Faults With Causes and Remedies

  1. jessicapaul

    i love this website because i got my home work done

    Reply
    1. Mayedul Islam Post author

      Thanks for your nice comment.
      Stay with us for more.

      Reply
  2. rebecca

    the needle can not hooked the thread when it goes down, whats wrong with my machine im using electric portable machine with pedal. thank you.

    Reply

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