1. WOVEN FABRIC FAULTS

2. Prepared By : Mazadul Hasan sheshir
ID: 2010000400008
13th Batch (session 2009-2013)
Department : Wet Processing Technology
Email: mazadulhasan@yahoo.com
Blog : www. Textilelab.blogspot.com (visit)
Southeast University
Department Of Textile Engineering
I/A 251,252 Tejgaon Dhaka Bangladesh
Prepared By :

3. STARTING MARK
WARP YARN HEALD SHAFT
FIG: LEVELLING STATE OF WARP YARN IN LOOM
FIG: SHEDDING STATE OF WARP YARN
REASON:
THE MAIN REASON OF STARTING
MARK IS THE EXTENSION OF WARP
YARN DUE TO THE TENSION THAT
CREATS ON IT.
REMEDIES:
TO SOLVE THIS PROBLEM WE HAVE
TO MOVE THE BACK REST IN THE
BACKWARD POSITION.

4. 2. LOOSE WARP IN FABRIC
REASONS:
a. IF THE TENSION OF WARP
YARN IS LOW IN
WARPING, THEN THIS
FAULT APPEARS.
b. IF THE BEAM CONTAIN
BROKEN WARP YARN.
REMIDIES:
a. THE WARP TENSION IN
WARPING SHOULD BE
EQUAL AND UNIFORM.
b. WE HAVE TO MOTIVATE
THE WORKER TO TAKE
CARE OF THE FABRIC.

5. 3. DOUBLE END
REASON:
a. AFTER SIZING IF THE TWO ENDS OF
WARP STICKS TOGATHER. AND IF THE
WORKER DON’T OBSERVE THAT
PROPERLY THAN THOSE ENDS CAN GO
TOGATHER THROUGH THE SAME
HEALD EYE AND CAN CREATE THIS
PROBLEM.
REMEDIE:
WORKER HAVE TO BE VERY CARE
FULL ABOUT THIS MATTERS.

6. BROKEN WARP
REASON:
IF A WARP YARN BREAKS AND IF THE
DROPPER DON’T FALL ON THE DROPPER BAR
, THEN THIS FAULT ARISE.
REMEDIES:
1. OPERATOR SHOULD WALK AROUND THE
MACHINE TO OBSERVE THIS SORTS OF
PROBLEM.
2. IF THE PROBLEM IS IN THE DROPPER BAR
THEN, WE HAVE TO CHANGE THAT BAR.

7. TIGHT END
REASON:
IF THE TENSION OF A WARP YARN IS MORE THAN
THE OTHER ENDS PRESENT IN THE LOOM THEN
THIS PROBLEM ARISE. THIS OVER TENSION
PRODUCED ON WARP DURING WARPING AND
WEAVING.
REMEDIES:
TO SOLVE THIS PROBLEM WE HAVE TO FIND THESE
ENDS AND HAVE TO ADJUST THE TENSION.

8. FLOAT OF WARP
REASON :
IF SOMEONE PULL THE FABRIC TOWARDS THE
CLOTH ROLLER INTENTIONALY OR UNTENTIONALY
THEN WE CAN HAVE THIS FAULT.
REMEDIES:
WORKER HAVE TO BE VERY CAREFULL ABOUT THE
BUTTON WHICH CAUSES THE FABRIC TO COME
FORWARD.

9. WRONG END COLOUR
REASON:
IT HAPPENS DUE TO THE WRONG DRAWING
OF COLOUR YARN.
REMEDIES:
1. WORKER HAVE TO BE VERY CAREFULL
DURING DOING THE JOB OF DRWING.
2. AFTER FINDING THE FAULTS WE HAVE TO
REMOVE THE FAULTY COLOUR YARN
AND PLACE A CORRECT COLOUR YARN.

10. BROKEN PICK
REASONS:
1. IF THE SPEED OF THE MACHINE IS
TOO HIGH, THEN BEAT FORCE OF
THE REED TO WEFT YARN WILL BE
TOO HIGH.
2. IF THE PRESSURE OF THE RELAY
NOZZLE AND ELCA IS TOO HIGH.
REMEDIES:
1. WE HAVE TO REDUCE SPEED OF THE
MACHINE.
2. WE HAVE TO REDUCE THE PREESURE
OF RELAY NOZZLE OR ELCA.

11. MISS PICK
REASONS:
IF A WORKER START A
STOPPED MACHINE
WITHOUT PICKING THE
BROKEN WEFT FROM THE
SHED THEN THIS TYPE OF
FAULT ARISE.
REMEDY:
WE HAVE TO MOTIVATE
THE WORKER TO DO JOB
PROPERLY DURING TIME
OF PICK FINDING.

12. DOUBLE PICK
REASON:
IF THE CUTTER DON’T WORK PROPERLY.
REMEDY:
THE ANGLE OF THE CUTTER SHOULD BE
CHANGED OR IT’S BLADE SHOULD BE
CHANGED.

13. SNARL OR LOOSE WEFT
REASON:
IT HAPPENS DUE TO THE
MALFUNCTIONING OF THE PFT
OR
DUE TO LOOSENESS OF THE
FILLING YARN
OR
THE WRONG ALIGNMENT OF
PRE-WINDER TO FIXED NOZZLE.
REMEDIES:
1. THE DEGREE OF THE PFT HAVE
TO BE PERFECT.
2. THE PRESSURE OF THE MAIN
VALVE, RELAY VALVE AND
RELAY NOZZLE SHOULD BE
PERFECT.
3. THE ALIGNMENT OF THE
PREWINDER SHOULD
UNIFORM AND STRAIGHT.

14. WEFT BAR
REASONS:
IF COUNT OF YARN VARY FROM
CONE TO CONE OR WITHIN THE
CONE THEN A BAR OF WEFT
WILL APPEARED IN FABRIC
AFTER WEAVING.
REMEDY:
TO SOLVE THIS PROBLEM WE
NEED TO BUY YARN WITH
UNIFORM THICKNESS.

15. BALL
REASON:
IF THE WARP IS TOO MUCH HAIRY .
THEN THE REED WILL CREATE BALL IN
WARP YARN IN- BETWEEN HEALD
SHAFT AND REED . IF THE BALL IS
SMALL ENOUGH TO PASS TROUGH THE
DENT OF REED THEN THEY WILL FORM
THE BALL IN FABRIC.
REMEDY:
TO SOLVE THIS PROBLEM WE HAVE TO
CHANGE THE REED, OR REDUCE THE
TENSION OF THE WRAP YARN.

16. HOLES
1. IF WE TRY TO CUT THE BALLS
OF THE FABRIC WHICH MAKES
THE LOOK OF THE FABRIC POOR
THEN IT WILL BE CUT ALONG
WITH THE WARP. THIS WILL
CREATE HOLE IN THE FABRIC. THIS
HOLES BECOME BIGGER AFTER
THE FINISHING PROCESS.
2. IT CAN BE HAPPEN DUE TO
THE CLASH BETWEEN FABRIC AND
SHARP EDGE OF MACHINE PARTS.
REMEDIES:
1. IF WE CONTROL THE BALL WE
CAN CONTROL HOLE.
2. WORKER HAVE TO CAREFULL
DURING THE
TRANSPORTATION OF FABRIC
FROM ONE FLOOR TO
ANOTHER TO AVOID SHARP
POINT TINGLE WITH FABRIC.

17. OIL SPOT
REASON:
OIL SPOT ON THE FABRICS ARE
CAUSED BY TOO MUCH OILING ON
LOOM PARTS FROM OTHER SOURCES.
REMEDY:
THIS STAINS ARE REMOVED
SCOURING.

18. TAILS OUT
REASON:
IF THE CUTTER DON’T WORK
PROPERLY THEN THIS KIND FAULTS
ARISE.
REMEDY:
TO SOLVE THIOS PROBLEM EITHER WE
HAVE CHANGE THE DEGREE OF
CUTTER OR WE HAVE TO CHANGE THE
CUTTER BLADE.

19. TEMPLE MARK
REASON:
IF THE PLACEMENT OF RING IN THE TEMPLE BAR
IS WRONG OR THE PRESSURE OF TEMPLE TO THE
FABRIC IS TOO HIGH.
REMEDY:
THE SETTING OF TEMPLE SHOULD BE PERFECT.
AND THE BRISTLE SHOULD BE SHARP AND EASY
GOING.

20. TEMPLE PIERCED HOLE
REASON:
IF THE RING OF THE TEMPLE IS DAMAGED
THEN WE WILL HAVE THIS FAULT.
REMEDY:
THE BRISTLE OF THE TEMPLE SHOULD BE
SHARP AND EASY GOING.

21. CUT, TORN SELVEDGE
REASON:
IF THE CUTTER DON’T CUT THE
EDGE THE OF THE FABRIC PROPERLY
OR IF THE WEAVE IN THE EDGE OF
THE FABRIC IS NOT PROPER. THEN
WE WILL HAVE THIS FAULT.
REMEDIES:
1. WE CAN SOLVE THIS PROBLEM
BY CHANGING THE BLADE OF
THE CUTTER.
2. BY CHANGING THE DEGREE OF
THE CUTTER.
3. BY APPLYING SUITABLE WEAVE
SYSTEM IN THE EDGE OF THE
FABRIC.

22. REED MARK
REASON:
IF THE DENT OF THE REED IS DAMAGED
THEN WE WILL HAVE THIS KIND OF FAULTS.
REMEDY:
THE REED HAVE TO BE CHANGED

23. SLUB
REASON:
IF THE YARN CONTAIN
UNEXPECTED SLUB IN
IT, THEN THOSE SLUB WILL BE
APPEARED IN THE FABRIC AS
A FAULT.
REMEDY:
THE QUALITY CONTROLER
HAVE TO BE VERY CAREFULL
ABOUT THE ABOUT QUALITY
OF THE YARN.

24. FOREIGN MATERIAL
REASON:
IF THE YARN CONTAIN
FOREIGN MATERIAL IN IT LIKE
PLASTIC, SEED E.T.C THEN WE
WILL HAVE THIS KIND OF
FAULT.
REMEDY:
THE YARN HAVE TO BE
CHECKED BY DURING THE
TIME OF PROCUREMENT TO
AVOID THESE FAULTS.

25. HAIRY FABRIC
REASONS:
THIS TYPE OF FABRIC FAULT COMES
DUE TO THE HAIRINESS OF THE YARN.
REMEDY:
THE YARN HAVE TO BE CHECKED BY
DURING THE TIME OF PROCUREMENT
TO AVOID THESE FAULTS. WE NEED TO
BUY GOOD YARN.

26. THICK AND THIN PLACES
REASONS:
THIS COMES DUE TO THE THICK, THIN
PLACES THAT PRESENTS IN THE
FABRIC.
REMEDY:
THE YARN HAVE TO BE CHECKED BY
QC DURING THE TIME OF
PROCUREMENT TO AVOID THESE
FAULTS

27. HIGH TWISTED YARN
REASONS:
IF THE TPI OF YARN HIGHER,THEN WE
WILL HAVE THE GIVEN LOOK OF THE
FABRIC.
REMEDY:
YARN WITH SUITABLE TPI SHOULD BE
BOUGHT BY US.

28. OIL STAINED YARN
REASON:
IF THE YARN CONTAIN OIL
STAIN THEN THEN THESE
STAIN WILL BE APPEARED IN
THE FABRIC.
REMEDY:
TO AVOID THESE FAULTS WE
HAVE TO BE VERY CAREFULL
DURING THE TIME OF
PROCUREMENT OF YARN.

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