Fabric Defects and Their Causes

Fabric Defects and Their Causes

Bhavdip Paldiya
Dept. of Textile Technology
Sarvajanik College of Engineering & Technology, Surat, India
Cell: +91 9662020909
Email: bhavdipk9009@gmail.com


Introduction:
Fabric defects can have various reasons caused by raw material, the spinning process, weaving, knitting and dying. Fabric defects are responsible for major defects found by the garment industry. Due to the increasing demand for quality fabrics, high quality requirements are today greater since customer has become more aware of “Non-quality” problems. In this article i have discussed different types of faults and their causes and remedies.

Fabric Defects and Their Causes
Sr.
no.
Defect
Name
Appearance
Cause
Responsibility of weaver
1
Crack
Too few picks
per inch in a certain area.
A. Bad start up procedure
by weaver
B. let of or take up worn or broken
C. improper tension on warp
D. weft feeler problem
A. more care required while pick finding,
B. stop loom, call
supervisor or mechanic
2
Float
Distortion of in
weft direction
generally
accompanies
with warp break
A. fluff or knot behind the reed .
B. spare end weaving in
C. knot with long tails.
D. warp stop motion not
working not working
Remove the cause
3
Wrong
Drawing
Irregular pattern
warp way in the
cloth.
Weaver incorrectly drawing in the healds.
Correct the draw
4
Leno
Problem
Leno end not
holding
correctly
A. wrong drawing in leno
device
B. build up of dirt or fly.
C. wrong tension on ends D. faulty leno device.
A. correct the draw
B. clean off
C. adjust tension
D. call mechanic
5
Missing
End
Warp line, thin
gap in warp
direction
A. fluff in drop wires.
B. warp stop motion not
working.
C. missing drop wire .
D. electrical fault.
E. incorrect setting of warp
stop motion.
A. blow the air regularly.
B. inform mechanic supervisor.
C. replace it.
d. inform super visor.
E. inform supervisor.
6
Design
Mistake
Incorrect
design
A. wrong design put in
microprocessor
Stop loom and inform
supervisor
7
Wrong
Weft
In correct weft
In correct count or colour of
weft
Ensure correct use of
weft and always check
weft as per loom card.
8
Slough
Off
loose coils of
weft in
the fabric.
Bad cones, or incorrect
tension.
Replace the cone or
inform supervisor.
9
Pull
Terry
Pile end are
pulled/cut
across the
fabric width
In foreign bodies come in
contact with needle ,needle
could be damaged or take
up motion problem .
Inform supervisor
/mechanic
10
Reverse
Terry
Pile formation in
plain portion of
cloth
Pile/ground beam tension
problem
Inform
supervisor/mechanic.
11
Starting
Mark
Think or thin
places at the
start up the
loom .
Incorrect loom setting
Call mechanic/ inform
supervisor
12
Defective
Selvedge
No fringes from
cutters cloth
may be cut.
Wrong position selvage
0cutters
Replace the end until
end is clean.
13
Defective
Border
Warp line
Reed dent s bent or
damaged
Flag fixer
14
Oil Stain
Warp line
corresponding
to the temple
Damaged or broken temple
rings.
Flag fixer
15
Shade
Variation
Selvage ends
weaving
incorrectly
Weaver incorrectly drawing
in selvage ands
Stop loom and correct
16
Dobby
Held
Problem
Heavy line warp
way
Two ends in the same
heddle
Remove extra end
17
Reed
Mark
Visible line warp
way in the cloth
A. weaver error
B. portion of yarn with
incorrect twist.
C. fault in warping or
drawing in.
A. weaver fault
B. remove and mark the
end.
C. Flag fixer
18
Uneven
Pile
Height
Visible line filling
way in the cloth
A. broken filling not
completely removed
B. pick finding incorrect
C. faulty filling detector.
A. weaver fault
B. weaver fault
C. Flag fixer
19
Emery
Mark
Thick line
across cloth
A. Incorrect pike finding
B. reserve cone caught and
running
A. weaver fault
B. weaver fault; correct
20
Damage
Mark
Filling bar
A. wrong cone creeled
B. mixed yarn in spinning or
winding
A. weaver fault
B. stop loom, flag
supervisor

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