从市场分析入手，对EPC法与传统砂型铸造工艺进行了比较，介绍了EPC法生产球墨铸铁管件的工程设计内容及对策，并提出了工艺设计的关键点。
Based on analysis of market conventional sand mold cast process has been compared with EPC process of which design and measures for s. g. iron pipes have been introduced as well as key of technology.
结果表明，采用复合变质法可大大提高A357合金的力学性能，处理后其能满足该合金砂型铸造的使用要求。
The results show that the compound modification can greatly improve the mechanical properties of the alloy, which can satisfy the demand of A357 alloy sand casting.
结果表明，采用复合变质法可大大提高A357合金的力学性能，处理后其能满足该合金砂型铸造的使用要求。
The results show that the compound modification can greatly improve the mechanical properties of the alloy, which can satisfy the demand of A357 alloy sand casting.
应用推荐