Knowledge

The loop stitching method is very different from ordinary hand sewing. In the simplest form of hand stitching, the seamstress attaches a thread throug

Bottom feed dog, needle feed, differential feed, top and bottom feed, combined feed, roller feed

When the sewing machine is running, the advancing distance of the cloth strip in one step. The smaller the needle pitch, the smaller the stroke of the

1. Natural fiber suture (1) cotton suture Features: high tensile force, high shape stability, high temperature resistance, poor elasticity, good seama

1. Texture: According to the texture, sutures can be divided into two categories: natural fibers and synthetic fibers (mainly chemical fibers); 2. Dia

Buttonhole machines can be divided into: flat-head buttonhole machines and round-head buttonhole machines, among which flat-head buttonhole machines c

During the sewing process, cut off the sewing material device. In the overlock sewing machine and the lock sewing machine with a knife, there is a dev

The number of needle punches per minute of the sewing machine, the unit is needle/min, the maximum sewing speed: the maximum number of needle punches

When the sewing machine is sewing, after the thread loop formed by the needle and the leader thread is passed through the sewing material, a mechanism

The sewing machine performs the mechanism of delivering the sewing material when sewing. It is classified as: forward feeding mechanism; backward feed

When sewing, the sewing machine acts as a mechanism for conveying, recovering the needle thread and tightening the stitch in the process of forming th

1. Fault characteristics: the bottom line cannot be drawn. Product reasons: The bobbin thread is too short, the bobbin thread is caught in the shuttle