Introduction to 14 appearance defects of knitted fabrics
knitted fabric Introduction to 14 appearance defects of cloth:
1 rung
The stripes or stripes in the fabric are due to The yarn density in one area of the fabric is different, as well as the tension, color, finish or shrinkage of the yarn or fabric. Ribbon stripes are transverse and are found only in weft-knitted fabrics.
2 bird’s eye or flower needles
Accidental flower needles are caused by the bent latch of the latch needle or because the knitting needle does not rise to the appropriate height. The old coil failed to uncoil.
3 The hand feels rough and hard
The hand feels particularly rough or stiff. This is caused by the coil structure being too tight or the spinning yarn being too thick.
4 strands are skewed
The patterns or lines within the width of the fabric are bent. This deformation is due to the failure of the winding device of the knitting machine. , or it is caused by a machine failure during the subsequent processing of knitted fabrics.
5 filament breakage
is due to some filaments in the filament fabric breaking or bifurcating. Depending on the amount of damage in the filaments, spots or some fuzz-like appearance will develop in the fabric.
6 Fabric wrinkles
The fabric wrinkles and cannot stretch, which is caused by uneven loops or uneven fiber fineness.
7 missing stitches
There is no knitting to form a loop, because the loop is too loose or the yarn guide is not installed correctly.
8 jump yarn
An accidental floating yarn caused by the spinning yarn not being placed on the knitting needle.
9 Straight Pattern
A lengthwise stitch or line formed because one wale is tighter or looser than other wales. This may be due to the needle in the needle slot being too tight.
10 loopholes
A large hole is formed in the fabric due to the breakage of the spinning yarn on a certain road, which makes the knitting impossible.
11 coils are separated
In a vertical row, continuous coils are separated.
12 weft bias
The patterns or straight strips on the fabric are within the width of the fabric, but are not perpendicular to the edges of the fabric.
13 Sparse needles, sparse tissue
Thin or poorly structured knitted fabrics.
14 parking strips
The horizontal strips formed on the fabric when the knitting machine is stopped. This is caused by uneven tension in the spinning yarn.
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