Sewing
problem: It is 3
types. They are:
1.
Problems
to stitch formation
2.
Seam
puckering problem
3.
Fabric
damage
Problems
to stitch formation: They
are given below:
1.
Slipped
stitch:
2.
Staggered
stitch: It happened for Incorrect adjustment of needle and thread size. Due
to wrong needle point. Due to defected motion if fabrics not controlled
properly in the feed mechanism of feed dog.
3. Unbalanced
stitch: It happened incorrect tension of sewing thread. Due to Incorrect adjustment of needle thread
path. Due to Snagging of needle with bobbin case and positioning finger. Used
incorrect thread path or if sewing threads are not lubricated.
4.
Variable
stitch density
5.
Frequent
thread breakage
Fabric
damage problem: They
are given below:
1.
Mechanical
damage
2.
Fabric
damage due to needle heating
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