Click Here to Download Free E-books

Knitting Faults in fabric | Textile Study Center
Home Fabric Engineering Knitting Faults in fabric
Knitting Faults in fabric

Knitting Faults in fabric

1.77K
0
Emdad Sarker
Assistant Professor at Bangladesh University of Textiles Past : Studied Fabric Engineering at Bangladesh University of Textiles (BUTEX)- 07
Emdad Sarker

Latest posts by Emdad Sarker (see all)

Knitting Faults in fabric : Weft fabric faults, Causes and Remedies

1. Hole Mark

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  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.



2. Needle Mark

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  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

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  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.


4. Drop Stitches

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  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.



5. Oil stain

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  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.

6. Pin hole

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  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

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  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.

8. Yarn contamination

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  Causes:

  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.

10. Lycra out & tension variation of Lycra

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

 

  Causes:

❶  Breakage of Lycra yarn & uneven tension of Lycra.

  Remedies:

❶  To maintain uniform tension.



11.Yarn  Miss

Knitting Faults in fabric | Weft fabric faults, Causes and Remedies | Hole mark in fabric | causes of Hole mark in fabric | remedies of Hole mark in fabric | Needle mark in fabric | Causes of  Needle mark in fabric | Remedies of  Needle mark in fabric | Star mark in fabric | Causes of Star mark in fabric | Remedies of Star mark in fabric | Drop Stitches in fabric | Causes of  Drop Stitches in fabric | Remedies of  Drop Stitches in fabric | Oil stain in fabric | Causes of Oil stain in fabric | Remedies of Oil stain in fabric | Pin hole in fabric | Causes of Pin hole in fabric | Remedies of Pin hole in fabric | Fly dusts in fabric | Causes of Fly dusts in fabric | Remedies of Fly dusts in fabric | Yarn contamination in fabric | Causes of Yarn contamination in fabric | Remedies of Yarn contamination in fabric | Patta in fabric | Patta problem in fabric | Causes of Patta in fabric  | Remedies of Patta in fabric | Lycra out in fabric | Causes of Lycra out in fabric | Remedies of Lycra out in fabric | tension variation of Lycra | Causes of tension variation of Lycra | Remedies of tension variation of Lycra | Yarn  Miss | Yarn miss in fabric | Causes of yarn miss in fabric | Remedies of yarn miss in fabric | Lycra and cotton mixed in fabric | Causes of Lycra and cotton mixed in fabric | Remedies of Lycra and cotton mixed in fabric | Textile Study Center | textilestudycenter.com

  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.


(1769)

Emdad Sarker
Assistant Professor at Bangladesh University of Textiles Past : Studied Fabric Engineering at Bangladesh University of Textiles (BUTEX)- 07
Emdad Sarker

Latest posts by Emdad Sarker (see all)

Comments

comments

Powered by Facebook Comments