Application of numerical simulation during the development of ductile iron bearing seat

Ping Li, Yanjie Zhao, Junquan Wei, J. Niu, Feng-jun Li
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Abstract

The study deals with the casting defects of shrinkage and dispersed shrinkage appeared during the development of ductile iron bearing seat due to the original process of conventional side-riser feeding on the basis of general casting design method. The bearing seat was cast using automatic air-impact moulding production line with green-sand. The commercial software of InteCAST was used to simulate casting solidification process and to analyse the reason for the casting defects. Further, the optimised process was proposed in conjunction with three pieces of arc-type chills and a side-rider every casting. The result of mass production shows that the casting defects of bearing seat were effectively eliminated by the optimised process. Consequently, the development cycle of bearing seat was significantly shortened and business opportunities of new market are obtained for the foundry enterprise.
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数值模拟在球墨铸铁轴承座研制中的应用
在通用铸造设计方法的基础上,针对球墨铸铁轴承座在开发过程中由于传统侧冒口送料的原始工艺而出现的收缩和分散收缩等铸造缺陷进行了研究。轴承座采用绿砂自动气冲成型生产线铸造。利用InteCAST商业软件对铸件凝固过程进行了模拟,分析了铸件缺陷产生的原因。此外,优化的工艺提出了结合三个弧型冷却器和一个侧骑每铸件。量产结果表明,优化后的工艺有效地消除了轴承座的铸造缺陷。从而大大缩短了轴承座的开发周期,为铸造企业获得了新的市场商机。
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来源期刊
CiteScore
1.20
自引率
0.00%
发文量
3
期刊介绍: IJCMSSE is a refereed international journal that aims to provide a blend of theoretical and applied study of computational materials science and surface engineering. The scope of IJCMSSE original scientific papers that describe computer methods of modelling, simulation, and prediction for designing materials and structures at all length scales. The Editors-in-Chief of IJCMSSE encourage the submission of fundamental and interdisciplinary contributions on materials science and engineering, surface engineering and computational methods of modelling, simulation, and prediction. Papers published in IJCMSSE involve the solution of current problems, in which it is necessary to apply computational materials science and surface engineering methods for solving relevant engineering problems.
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