重力铸造

求助 缩松问题

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铝合金倾转浇铸,铸件冒口的下方有时候出现缩松 求各位老师帮帮忙啊。 冒口做的外保温 冒口高度为70 冒口直径是35.8 冒口下方的高度是63
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可能冒口直径小了,补缩通道不通畅,适当增加冒口直径。如果有产品和模具结构图片或图样,好解决。
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