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The Relationship Between Sewing Needles, Sewing Threads And Fabrics
- Jan 15, 2019 -

The occurrence of the thread and return line of the sewing machine is mainly affected by factors such as the quality of the sewing needle, the density of the cloth structure, the twist density of the thread, and the material used.


The problem of the pull wire and the return wire caused by the sewing needle is mainly due to the fact that the sewing needle is too curved, too thick, and the sewing needle does not have resistance during the sewing. The solution to this problem is to replace the new needle, use a fine needle as much as possible, use a needle with a circular needle, and use a sharp needle.


The problem of the pull wire and the return wire caused by the sewing machine running condition is mainly due to the sewing machine rotating speed too fast, the needle plate diameter is too large, the tension of the wire is too large, and the sewing gap is too dense. The solution to this problem is to reduce the full rotation speed, use the needle hole with a small diameter, reduce the tension of the thread and relax the sewing interval.


If it is the condition of the wire and the problem of the cable and the loop, then use the thin wire as much as possible.


The problem of pulling and returning lines caused by the condition of the fabric is mainly due to the low stretchability of the fabric and the uneven tissue density of the fabric. The solution is to use a substrate or tape to prevent the movement of the wire or to use a cloth hardener.