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New Post has been published on http://textilestudycenter.com/knitting-faults-in-fabric/

Knitting Faults in fabric

Knitting Faults in fabric : 

Weft fabric faults, Causes and Remedies

 1. Hole Mark

  Causes:

❶ Holes are the results of yarn breakage or yarn cracks.

❷  During loop formation the yarn breaks in the rejoin of the needle hook.

❸  If the yarn count is not correct on regarding structure, gauge, course and density.

❹  Badly knot or splicing.

❺  Yarn feeder badly set.

  Remedies:

❶  Yarn strength must be sufficient to withstand the stretch as well as uniform.

❷  Use proper count of yarn.

❸  Correctly set of yarn feeder.

❹  Knot should be given properly.

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2. Needle Mark

  Causes:

❶  When a needle breaks down then needle mark comes along the fabrics.

❷  If a needle or needle hook is slightly bends then needle mark comes on the fabrics.

  Remedies:

❶  Needle should be straight as well as from broken latch.

❷  Bent needle should be changed

3. Star mark

  Causes:

❶  Yarn tension variation during production.

❷  Buckling of the needle latch.

❸  Low G.S.M fabric production

  Remedies:

❶  Maintain same Yarn tension during production.

❷  Use good conditioned needles.

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4. Drop Stitches

  Causes:

❶  Defective needle.

❷  If yarn is not properly fed during loop formation i.e. not properly laid on to the needle hook.

❸  Take-down mechanism too loose.

❹  Insufficient yarn tension.

❺  Badly set yarn feeder.

  Remedies:

❶  Needle should be straight & well.

❷  Proper feeding of yarn during loop formation.

❸  Correct take up of the fabric & correct fabric tension.

❹  Yarn tension should be perfect.

(adsbygoogle = window.adsbygoogle || []).push();

5. Oil stain

  Causes:

❶  When oil lick through the needle trick then it pass on the fabrics and make a line.

  Remedies:                                                                           

❶  Ensure that oil does not pass on the fabrics.

❷  Well maintenance as well as proper oiling.

(adsbygoogle = window.adsbygoogle || []).push();

6. Pin hole

  Causes:

❶  Due to break down or bend of the latch, pin hole may come in the fabric.

  Remedies:

❶  Change the needle

7. Fly dusts

  Causes:

❶  In knitting section too much lint is flying to and fro that are created from yarn due to low twist as well as yarn friction. This lint may adhere or attaches to the fabric surface tightly during knit fabric production.

  Remedies:

❶  Blowing air for cleaning and different parts after a certain period of time.

❷  By cleaning the floor continuously.

❸  By using ducting system for cleaning too much lint in the floor.

❹  Over all ensure that lint does not attach to the fabric.

(adsbygoogle = window.adsbygoogle || []).push();

8. Yarn contamination

  Causes:

❶  If yarn contains foreign fiber then it remains in the fabric even after finishing,

❷  If lot, count mixing occurs.

  Remedies

❶  By avoiding lot, count mixing.

❷  Fault less spinning.

9. Patta

  Causes:

❶  Yarn count variation

❷  Yarn tension variation

   Remedies:

❶  Proper yarn count & tension should be maintained.

  Remarks:    

❶  For dark color & plain single jersey patta very sensitive. But in case of derivatives of single jersey, rib &interlock light patta considerable.

(adsbygoogle = window.adsbygoogle || []).push();

10. Lycra out & tension variation of Lycra

  Causes:

❶  Breakage of Lycra yarn & uneven tension of Lycra.

  Remedies:

❶  To maintain uniform tension.

11.Yarn  Miss

  Causes:

❶  Yarn breakage due to any reason and not pass through the yarn guide. It may be occur for tension variation.

  Remedies:

❶  Yarn guide and tensioner must be used.

12. Lycra and cotton mixed

  Causes:

❶  Lycra yarn twisted with cotton yarn.

  Remedies:

❶  Correct the lycra path.

❷  Clear the yarn guide.

[textilestudycenter]

New Post has been published on http://textilestudycenter.com/knitting-faults-in-fabric/

Knitting Faults in fabric

Knitting Faults in fabric : 

Weft fabric faults, Causes and Remedies

 1. Hole Mark

  Causes:

❶ Holes are the results of yarn breakage or yarn cracks.

❷  During loop formation the yarn breaks in the rejoin of the needle hook.

❸  If the yarn count is not correct on regarding structure, gauge, course and density.

❹  Badly knot or splicing.

❺  Yarn feeder badly set.

  Remedies:

❶  Yarn strength must be sufficient to withstand the stretch as well as uniform.

❷  Use proper count of yarn.

❸  Correctly set of yarn feeder.

❹  Knot should be given properly.

(adsbygoogle = window.adsbygoogle || []).push();

2. Needle Mark

  Causes:

❶  When a needle breaks down then needle mark comes along the fabrics.

❷  If a needle or needle hook is slightly bends then needle mark comes on the fabrics.

  Remedies:

❶  Needle should be straight as well as from broken latch.

❷  Bent needle should be changed

3. Star mark

  Causes:

❶  Yarn tension variation during production.

❷  Buckling of the needle latch.

❸  Low G.S.M fabric production

  Remedies:

❶  Maintain same Yarn tension during production.

❷  Use good conditioned needles.

(adsbygoogle = window.adsbygoogle || []).push();

4. Drop Stitches

  Causes:

❶  Defective needle.

❷  If yarn is not properly fed during loop formation i.e. not properly laid on to the needle hook.

❸  Take-down mechanism too loose.

❹  Insufficient yarn tension.

❺  Badly set yarn feeder.

  Remedies:

❶  Needle should be straight & well.

❷  Proper feeding of yarn during loop formation.

❸  Correct take up of the fabric & correct fabric tension.

❹  Yarn tension should be perfect.

(adsbygoogle = window.adsbygoogle || []).push();

5. Oil stain

  Causes:

❶  When oil lick through the needle trick then it pass on the fabrics and make a line.

  Remedies:                                                                           

❶  Ensure that oil does not pass on the fabrics.

❷  Well maintenance as well as proper oiling.

(adsbygoogle = window.adsbygoogle || []).push();

6. Pin hole

  Causes:

❶  Due to break down or bend of the latch, pin hole may come in the fabric.

  Remedies:

❶  Change the needle

7. Fly dusts

  Causes:

❶  In knitting section too much lint is flying to and fro that are created from yarn due to low twist as well as yarn friction. This lint may adhere or attaches to the fabric surface tightly during knit fabric production.

  Remedies:

❶  Blowing air for cleaning and different parts after a certain period of time.

❷  By cleaning the floor continuously.

❸  By using ducting system for cleaning too much lint in the floor.

❹  Over all ensure that lint does not attach to the fabric.

(adsbygoogle = window.adsbygoogle || []).push();

8. Yarn contamination

  Causes:

❶  If yarn contains foreign fiber then it remains in the fabric even after finishing,

❷  If lot, count mixing occurs.

  Remedies

❶  By avoiding lot, count mixing.

❷  Fault less spinning.

9. Patta

  Causes:

❶  Yarn count variation

❷  Yarn tension variation

   Remedies:

❶  Proper yarn count & tension should be maintained.

  Remarks:    

❶  For dark color & plain single jersey patta very sensitive. But in case of derivatives of single jersey, rib &interlock light patta considerable.

(adsbygoogle = window.adsbygoogle || []).push();

10. Lycra out & tension variation of Lycra

  Causes:

❶  Breakage of Lycra yarn & uneven tension of Lycra.

  Remedies:

❶  To maintain uniform tension.

11.Yarn  Miss

  Causes:

❶  Yarn breakage due to any reason and not pass through the yarn guide. It may be occur for tension variation.

  Remedies:

❶  Yarn guide and tensioner must be used.

12. Lycra and cotton mixed

  Causes:

❶  Lycra yarn twisted with cotton yarn.

  Remedies:

❶  Correct the lycra path.

❷  Clear the yarn guide.

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New Post has been published on http://textilestudycenter.com/colio/interior-textiles-free-download/

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Innovative Jacquard Textile Design Using Digital Technologies free download

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Industrial practices in weaving preparatory free download

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Edited By: Dr Mukesh Kumar Singh

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Edited By: Sabit Adanur

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Edited by S. J. Russell

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Edited By:  Jacquie Wilson

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