Development status of stamping technology for precision stamping parts

With the unsustainable low-cost human resources and the continuous development of scientific and technological level in China, automation and intelligent manufacturing of precision stamping parts will inevitably become an important development direction of modern manufacturing, and intelligent molds will also develop rapidly. Using smart molds to produce products can further improve product quality and production efficiency, save materials, realize automated production and green manufacturing. The environmental protection of the mold manufacturing industry has promoted the development of environmental protection production and environmental protection technology in the precision stamping industry.

Therefore, although the total number of intelligent molds is not large at present, it represents a new development direction of mold technology and will play an increasingly important role in the adjustment of industry product structure and the transformation of development methods. The development of intelligent molds will inevitably play a powerful role in promoting the rapid improvement of the entire mold industry. Therefore, it is particularly necessary to give priority to the development of intelligent molds in the development of the industry. It is also imperative for the precision stamping industry to adopt higher-end molds.

The development status of stamping technology for automobile precision stamping parts in my country is reflected in the following aspects.

1. High degree of automatic production of outer cover The outer cover requires high surface quality and can only rely on automatic production. Although the automated production of automobile outer panels in my country is not high-speed stamping, the degree of automation is quite high. This is mainly reflected in the widespread use of automated line punching. Line stamping generally consists of 4 presses to form a complete closed stamping line, in the middle is automatic feeding and picking by robots, the production cycle is about 10~15 times/min, typically the first double-action 1630T and subsequent 800T Composition of the press.

2. Automatic or semi-automatic production of floor and top cover inner coverings These types of parts are mainly produced in batches, and are generally produced automatically or semi-automatically. Except for joint ventures, local enterprises basically adopt semi-automatic stamping production methods. Semi-automatic stamping places specific demands on the press. First, the press table should be large; secondly, due to the large forming force, the first press should be 2000T or 2400T, and the subsequent presses should be 1000T or 1250T or more.

3. Chassis frame parts are mostly manufactured by parts companies. Chassis frame parts are mostly manufactured by parts companies and sent to OEMs.

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