Sewing thread includes sewing thread and winding thread, and the sewing thread is used as a limit stop for straight opening thread. The limit gear is installed next to the presser foot. Its distance from the needle can be adjusted according to requirements. When sewing straight lines. By limiting the distance between the gear and the needle. Sew the opening line with the same distance as the edge of the cloth accurately.
Sewing curves of collars, cuffs, bags and covers. Select a curve template. The template is a thin plate mold made according to the curve shape and size of the seam to be sewn. When sewing, put the template on the processed parts. Sew the needle on the edge of the template. You can sew beautiful curves.
Extended data
Classification of wrapped stitches;
Wrapping stitches can be divided into single thread, double thread, three thread, four thread, five thread and six thread. Single thread sewing is stitch by stitch, stitch by stitch. It's very important to sew the edge of the blanket: double seam is single needle double seam. It is very important for sewing elastic parts, such as the bottom edge of elastic shirts: three-line sewing is single-needle three-line sewing. It is a common stitch of ordinary knitted garments. Especially the splicing of some low-grade clothing pieces.
Four-thread package is a double-needle and four-thread stitch. Compared with three-thread sewing, it adds a needle and thread. The strength has improved. Single items used in high-end clothing are stitched or stretched more. Parts with high friction, such as shoulders and sleeves. Especially the sewing of outerwear: Five-thread sewing is double-needle five-thread sewing. The sewing fastness and production efficiency have been further improved. Elasticity is better than four-wire package. Often used for sewing coats and mending underwear.