Transactions of Materials and Heat Treatment

Title：Study on spinning methods of cylinders with small strain difference based on numerical simulation

Authors： Zeng Chao Xia Qinxiang Xiao Gangfeng Xie Hongxi

Unit： South China University of Technology

KeyWords： stagger spinning isometric spinning counter-roller spinning cylinders stress and strain

ClassificationCode：

year,vol(issue):pagenumber：2014,39(4):36-41

Abstract：

To obtain the uniformly deformed cylinders, three kinds of power spinning methods, such as the stagger spinning, isometric spinning and counter-roller spinning were analyzed based on the finite element numerical simulation. The principles of three kinds of power spinning methods were introduced and the corresponding technology programs were designed according to their different characteristics. Taken the 20 steel cylinders as the researching object, the processes of three kinds of spinning methods were simulated by the finite element analysis software MSC.MARC. The results show that the distributions of equivalent stress and equivalent strain are non-uniform between the inner and outer surfaces of the spun workpiece; the differences of stress and strain obtained by the counter-roller spinning are far less than that of the stagger spinning and isometric spinning, and the differences of stress and strain obtained by the isometric spinning are the maximum.

Funds：

国家自然科学基金资助项目（51075153）；广东省自然科学基金资助项目（10151040301000000）

曾超（1987-），男，硕士研究生

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