Liyuan Fiber tells you how sewing thread is produced?

How is sewing thread produced?

Regarding the production process of sewing thread, there are two production processes of continuous long fiber and short fiber. Long-fiber sewing thread: 1. The continuous composite monofilament with F (hole) number is made by cutting, drawing, shaping and winding; 2. The composite monofilament is made of white strands made by primary twisting and double twisting. Thread embryo yarn; 3. After dyeing and finishing workshop for smooth dyeing; 4. Packing and winding to make finished sewing thread.

Short-fiber sewing thread: 1. Sliced and drawn into cotton-like short fibers; 2. After blowing and rolling into rovings, and further drawn into spun yarns; 3. The spun yarns are twisted and plied to make the required thickness of white sewing Thread yarn embryo yarn; 4. Color matching dyeing and post-processing in the dyeing workshop; 5. Drying and packaging to form a product line.

Long-fiber sewing thread: there are nylon (nylon) long-fiber sewing thread and polyester long-fiber sewing thread. For example: nylon Bondi thread, nylon thread, polyester high-strength thread, polyester bondy thread.

Short fiber sewing thread: there are pure cotton thread, polyester SP thread, PP thread, staple fiber sewing thread, etc. According to the performance requirements of sewing, the sewing thread of the correct material and type can be selected to achieve the best sewing effect.