Defects and remedies of warping
1. Lapped end
Cause: The broken and of yarn is not tied to the end
on the warp beam & overlaps the adjoining yarn. The beam is not properly
brake & the signal hook fails to operate
Remedies:
A. Tying the broken cod to the end on the warp
beam
B. Proper signal hook
2. Piecing Cause:
One broken end is picked
to another yarn end on the warping beam
Remedies: By proper joining
3. Soft ends on the warping beam
Breakage of a group of ends & piecing them
in bundle or by lapping. This defect is cause by the careless of the operator.
Remedies:
A. Careful operation
B. Broken and should be
piece up properly
4. Incorrect form of build
Cause: Caused by non uniform spreading of ends in the
guide reed and its improper setting conical winding in case of non uniform
pressure of the warping beam.
Remedies:
A. Uniform spreading of
ends.
B. Appropriate setting.
5. Slacks & irregular yarn tension
Cause: It happens due to any one of these devices, ejection
of yarn from under the disc of the yarn tensioning d of poor quality
Remedies
A. Proper threading of
tension device.
B. Good quality of tension
device.
6. Broken ends on the beam
Cause: A group of ends is broken & tied as a
brunch or worked-in with overlapping Remedies:
Broken ends should be
removed.
7. Conical winding on the beam
Cause: It occurs due to incorrect load applied by the
pressure roller
Remedies: Correct load applied.
8. Improper length of warping
Cause: It is due to malfunction of the counter &
the brakes of the measuring device & warp beams.
Remedies: Good measuring device
