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以消失模铸造法生产球铁件行星齿轮支架为例,介绍了消失模铸造法的工艺过程和工艺参数。采用EPS泡沫材料,经预发泡,熟化,成型发泡,浸涂料,烘干等工序制成浇注模样。与传统工艺相比,消失模铸造法具有铸件表面精度高,组织结构好,生产成本低,生产环境更清洁等优点。
The production process of the spheroidic cast iron planet gear with the lost foam casting method is introduced as an example to introduce the technological process and the process parameters of the lost foam casting method. EPS foam material, pre-foaming, aging, forming foam, dip coating, drying and other processes made of pouring appearance. Compared with the traditional process, the lost foam casting method has the advantages of high precision casting surface, good structure, low production cost and cleaner production environment.