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The causes of cracks in aluminum alloy die castings can be attributed to these seven points

2024-04-26 hits:0 source:News

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  (1) The iron content in the alloy is too high or the silicon content is too low;

  (2) The excessive content of harmful impurities in the alloy reduces its plasticity;

  (3) Aluminum silicon alloy: Aluminum silicon copper alloy contains zinc or too much copper, and aluminum magnesium alloy contains too much magnesium

  (4) The mold, especially the core temperature, is too low;

  (5) There are significant changes in the wall thickness of castings;

  (6) Excessive mold retention time;

  (7) Uneven force distribution during ejection

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