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简要介绍了真空消失模铸造批量生产Y400型电机壳铸件的工艺,包括浇注工艺设计、整体模型制作、浸涂耐火涂层、树脂砂填充、防变形工艺措施等,探索了消失模批量生产线中消除电机壳失圆、夹砂和散热片冷隔等缺陷的途径。结果表明,采用合适的工艺参数,严格把好白模制作、浸涂、造型、熔炼浇注等过程的工艺关,就能够批量生产出合格的电机壳铸件。
This paper briefly introduces the process of mass production of Y400 type electric shell casting by vacuum EPC technology, including casting process design, overall model making, dipping coating, resin sand filling and anti-deformation technology. Eliminate the motor shell round, sand and heat sink cooling and other defects of the way. The results show that the proper process parameters can be used to produce qualified castings of electric motors in batches strictly by strictly controlling the process of white mold making, dip coating, molding, melting pouring and so on.