Abstract: Through hardness testing, metallographic microscope analysis, and other means, the origination of crack failure of the aluminum alloy die casting die was analyzed.

摘要：通过硬度测试、金相组织观察，研究分析了铝合金压铸模具发生早期龟裂失效的原因。

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Although space of slider depth in aluminum alloy die casting mold are larger than the minimum values proposed by several handbooks, sometimes they are too small for pulling core.

尽管铝合金压铸模的滑块宽度间隙大于一些手册推荐的最小间隙，抽芯卡滞仍然时有发生。

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The advantages of housing parts with aluminum alloy substituting for zinc alloy have been described, focusing on the operation and key points of design of the aluminum alloy die casting die.

分析了箱体零件由锌合金改铝合金的优点，论述了模具的工作过程和设计要点。

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