Mechanical Bearing 6000

 Pre-hardening Mechanical Bearing 6000 of mold materials. Heat treatment of molds during the manufacturing process is a process that most molds have used for a long time. Since the 1970s, the idea of ​​pre-hardening has been proposed internationally, but due to the rigidity of the processing machine tool Due to the restriction of cutting tools, the hardness of pre-hardening cannot reach the hardness of the mold, so the research and development investment of pre-hardening technology is not large.

With the improvement of the performance of processing machine tools and cutting tools, the development of pre-hardening technology for mold materials has accelerated. By the 1980s, the proportion of internationally industrialized countries that used pre-hardened modules on plastic mold materials had reached 30% (currently Above 60%). my country began to use pre-hardened modules (mainly imported products) in the mid to late 1990s.　　

The pre-hardening technology of mold materials is mainly developed and implemented by mold material manufacturers. By adjusting the chemical composition of the steel and equipping the corresponding heat treatment equipment, it is possible to mass-produce pre-hardened modules with stable quality. The pre-hardening technology of mold materials in my country has a late start and a small scale, and it cannot meet the requirements of domestic mold manufacturing.　　

The use of pre-hardened mold materials can simplify the mold manufacturing process, shorten the mold manufacturing cycle, and improve the mold manufacturing accuracy. It is foreseeable that with the advancement of processing technology, pre-hardened mold materials will be used in more mold types

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