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Nov 18, 2019

As early as the 19th century, the invention of sewing machines created the conditions for machine-made shoes. According to the mechanical principle of the sewing machine, the industrial leather sewing machine  was invented.

Although the use of sewing machines in the leather goods industry has a long history, the particularity of the leather products industry has not been combined with the difference in the use of sewing machines in the clothing industry when the publications of the leather products industry have introduced sewing machines. So this article illustrates some of the characteristics of the sewing machine used in the leather goods industry from the aspects of needles and stitches.

leather sewing machine

The concept and importance of stitches

The "stitch" refers to the structure of a unit formed by the stitching on the surface of the sewing material or through the sewing material. There are some places need to pay attention. There are several sewing threads, and the tissue formed on the sewing material. The form is adopted (self-chain, inter-chain or interlock), and the stitch is only a unit that constitutes the seam.

In some stitch forms of the leather sewing machine, it can be seen that there are many types of stitches, and the stitches formed by the machine far exceed the manual ability. It can be considered as follows: Mastering the "strand principle" is to learn how do a wide variety of complex sewing machines work and master the "keys" of their technology.

 The role and type of stitches

In addition to the main stitching effect, the stitching also acts as a reinforcement, a protective effect, an auxiliary processing effect, a decorative effect, and so on. There are about 4,000 types of sewing equipment. In addition to the clothing industry, the leather goods industry need leather sewing machines. Leather sewing machines are used in many industries such as the furniture manufacturing industry, the automobile manufacturing industry, military saddle equipment, and flour, cement, and pesticides. There are many types of stitches. The objects used are different and the stitches are used differently.

stitch leather sewing machine

The national standard for the type of stitch developed in China is in line with the international standard for the type of stitch developed by the International Organization for Standardization. According to this standard, the stitches are divided into six categories and a total of eight.

The 100th types of single-line chain stitches, numbered 101-105, 107, 108, a total of seven.

The 200th types of imitation manual stitches, numbered 201, 202., 204, 206, 209, 211, 213-215, 217, 219, 220, a total of 13 kinds.

The 300th types of lock stitches, numbered 301-327, a total of 27 kinds.

The 400th types of multi-line chain stitches, numbered 401-417, a total of 17 kinds.

The 500th types of over-stitched chain stitches, numbered 501-514, 521, a total of 15 kinds.

The 600th types of covered chain stitches, numbered 601-609, a total of nine.

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