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从球墨铸铁件缩孔、缩松的形成机理入手,分析了影响球墨铸铁件收缩的有关因素,总结解决、预防球墨铸铁件出现缩孔、缩松的措施,并通过解决轴承盖铸件缩孔质量问题进行了举例说明。
Starting from the formation mechanism of shrinkage cavity and shrinkage of ductile iron, the relevant factors affecting the shrinkage of ductile iron are analyzed. The measures to prevent and reduce the shrinkage and shrinkage of ductile iron are summarized and solved. The problem is illustrated.