The interlock sewing machine is also called a special sewing machine, and the stitches it sews are chain stitches. This stitch is mostly used for roll collar, piping, hemming, interlock stitching, splicing stitching and trimming of knitted garments.
Stitch skipping has been plagued by many interlock sewing machine operators. The solution to the problem that the bottom thread skipped stitches on the four-needle six-thread interlock sewing machine currently on the market.
Through analysis, it is believed that from the fault phenomenon: the front side of the fabric does not skip stitches, and the bottom thread on the back side occasionally has a stitch that does not go online to form a hole. The machine running state is basically no problem, but the stitches are skipped caused by the partial looper thread not being inserted properly.
The main cause of the local problems related to the stitch skipping of the bottom thread of the four-needle six-thread interlock sewing machine may be that the needle bar is too high or too low. Since it is impossible to determine which of the four needles of the interlock sewing machine has skipped stitches, the author It is recommended to check which needle corresponds to occasional skipped stitches and whether the position of the needle plate eye is correct, and then appropriately lower or raise the height of the corresponding needle.
