Page 27 4-20ncm-108Pages.pdf Full Version
							
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EXECUTIVENeedle Mark: Different Types of Defects Identifica-
tion and Controlling Method for Quality and
Productivity...........Where needle holes appear along
the stitch line.
Recommended Solutions:
-No needle dull, bowed or set in correctly.
-Needle type and thread count must be perfect.
-Needles have to change at regular intervals on
operations.
-Check fabric manufacturer.
Oil Mark: Where oil spot appear during sewing fab-
ric.
Recommended Solutions:
-Use proper machine & machine adjustment.
-Avoid damaged machine.
Over Stitch: Where the stitch line misses appropri-
ate sewing direction and seam run over the fabric.
Recommended Solutions:
-Use proper sewing material handling techniques.
-Make sure the patterns/guide have been designed
properly.
-Must have to follow the guide during sewing.
Open Stitch: Disengagement of seam and fabric but
stitch line is remain unbroken.
Recommended Solutions:
-Confirm the patterns have been planned for proper
fit.
-Utilize principle seam assembly.
-Contact your fabric supplier.
Pleat: When the fabric does not place plane after
stitching.
Recommended Solutions:
-Machine must be clean.
-
-Use proper tension in bobbin & looper.
Needle can't be too small or wrong point.
-
-Make appropriate stitch length.
No too tight tension.
-
-Thread must be moving smoothly.
Use minimum pressure during sewing.
-Stretching of the material is in considerable limit.
NCM-APRIL 2020
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