铸件

铝铸件内部如何清砂?

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请教铝铸件水道内部如何清砂?

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零件小。硝盐冷却和清水差不了多少。
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用震动比较合适.用砂时要考虑沙子的溃散性.如是覆膜砂的话.还是不要加热的好.会影响到产品的机械性能
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条件允许可以采用机械清砂，要是小批量生产可以采用先将带砂芯的铸件加热至350-400度保温3小时后放置室温在人工清砂。
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用震动比较合适.用砂时要考虑沙子的溃散性.如是覆膜砂的话.还是不要加热的好.会影响到产品的机械性能
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