Automobile die manufacturing industry is a high-investment and high-risk industry. If enterprises do not think about their practical ability and experience accumulation level, and consciously pursue bigger and do everything, the result is the opposite and the loss does not exceed the income. Automobile die manufacturing enterprises should be based on the comprehensive ability of their practice, according to one person's ability, reasonable positioning, adhere to the principle of on-the-job, do a good job first, and then quickly, especially the whole vehicle die. Enterprises must go through a number of project theories, after years of experience and technical support, can gradually proceed.
Three-dimensional die design is an important part of digital die manufacturing technology, and is the basis of the integration of die design, manufacturing and testing. Some methods adopted by foreign countries in the design of three-dimensional dies are worth creating by ourselves. Toyota Japan, General Motors USA and other companies have completed the three-dimensional design of the die, and achieved good application results. In addition to the completion of integrated convenience manufacturing, three-dimensional die design also has the advantages of convenient interference detection and motion intervention analysis, and has solved a difficult problem in two-dimensional design.
In a narrow sense, automobile die is the general name of automobile body stamping parts. Automobile die is an important basic process equipment in automobile industry. In the automobile consumption, more than 90% of the parts need dies. According to Robert Hui, Secretary-General of International Die and Mould Association, at present our country is basically self-sufficient in the molds of trucks, light vehicles and small trucks, and can consume some automobile cover parts. However, most of the automotive moulds still need to be imported, mainly the body cover and interior decoration moulds. The annual import amount exceeds 100 million US dollars.
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