铸件

铸件因薄厚不均造成冷却快慢不同,拉应力产生在哪个部位?

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铸件因薄厚不均造成冷却快慢不同,拉应力产生在哪个部位?
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具体的铸件,不同的铸造工艺,产生的应力部位不同,如双人字型齿面的大齿轮,齿面设有冷铁,由于外轮廓首先凝固,尺寸固定,如果发生断裂,就在辐板的偏离其中央的部位处
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一定是产生在厚薄壁厚的交接处...
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