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一、序言铸件在凝固和冷却过程中形成的内应力如不采取特殊措施,就会使铸件在以后的机加工和使用过程中产生变形。
First, the introduction Casting in the solidification and cooling process of the formation of internal stress If you do not take special measures, it will make the casting in the subsequent machining and use of the process of deformation.