Application of overlock sewing machine and interlock sewing machine

Application and characteristics of overlock sewing machine 

Introduction to overlock sewing machine: also known as edging machine, it is generally divided into 3 threads, 4 threads, and 5 threads. The main function is generally to prevent linting at the sewing head of clothing. The covering stitch can be divided into a single stitch, double stitches, three, four, five, and six stitches:

1. Single thread overlock sewing is a single needle and one thread stitch, which is mainly used to sew the edge of the blanket;

2. Double stitching is a single needle double stitching, which is mainly used to sew elastic parts, such as the bottom edge of an elastic shirt;

3. 3 thread overlock stitch is a single needle three thread stitch, which is commonly used in ordinary knitted clothing, especially the stitching of some low-grade clothing pieces;

4. 4 thread overlock sewing is a double-needle 4 thread stitch, which adds a needle and thread to the 3 thread wrap sewing, and the strength is improved. It is used for the sewing of clothing pieces of high-grade clothes or the parts with more tension and strong friction, such as closing shoulders and sleeves, especially the sewing of coats;

5. 5 thread overlock stitch is a double-needle 5 thread stitch. Its fastness and production efficiency are further improved, its elasticity is better than that of a four-thread wrap stitch. It is commonly used in the sewing of outerwear and patching underwear.

Introduction to interlock sewing machine

An interlock sewing machine is also called a special sewing machine. The stitches it sews are chain stitches. The stitch is mostly used for collar rolling, edge rolling, hem folding, interlock sewing, splicing sewing, and trimming of knitted clothing.

In recent years, the styles of ready-made clothes have changed in thousands, and the interlock sewing machine is often used to sew decorative stitches. Moreover, there are many kinds of stitch styles sewed, such as 3 needle and 4 thread stretch sewing (No. 407 stitch) can be changed into two-needle and 3 thread stretch sewing (No. 406 stitch), It can also be changed from two stitches and three threads to two stitches and 4 threads or 3 stitches and 5 threads (602 stitches or 605 stitches).

The design of the head type of the interlock sewing machine is mostly a high platform device. In order to cooperate with the production purposes of various sewing processes, The design of head type also includes round mouth around arm type, round mouth out arm type, and round mouth in arm type. The high platform type stretch sewing machine head is suitable for plane cutting of sewing long seam stitches; The round mouth arm winding type is designed for sewing the edge of cuff piping or folding; The round mouth out arm type is used to sew the seams of cylindrical parts, such as the side seams at the bottom of sleeves and trousers; The round mouth into arm type is designed for sewing the bottom seam of underwear;

In addition, the high table type machine head can be equipped with an oblique angle design to cooperate with sewing different types of cutting pieces. In some cases, the installation position of a sewing attachment (sewing aid) is designed on the right side of the head of the stretch sewing machine. If it is used in the operation process of edging, the sewing attachment can be connected to the right of the needle plate to cooperate with the sewing.