优质压铸件的获得,涉及因素颇多,合理地选择合金种类及牌号是重要环节。选材时既要考虑产品的设计性能、材料的机械性质;也要兼顾其工艺可行性,从而使产品有最高的效益。 一、压铸铝合金种类 直至目前我国现用压铸铝合金大部分依然沿用苏联五十年代合金系列。国内既无统一的压铸铝合金国家标准,也未形成自己的压铸铝合金系列,随着整个国家的工业发 Quality die-casting access, involving many factors, a reasonable choice of alloy types and grades is an important part. Material selection should take into account the design of the product performance, the mechanical properties of the material; also take into account the feasibility of its technology, so that products have the highest efficiency. First, the type of die-casting aluminum alloy Until now, most of the current die-casting aluminum alloy is still used in the Soviet Union in the fifties alloy series. There is neither a unified national standard die-casting aluminum alloy, die-casting aluminum alloy has not formed their own series, with the entire country industrial hair