Transactions of Materials and Heat Treatment

Title：Forming technology optimization of a multi-step part

Authors： ZUO Hong ~(1) LI Lun-gen~(2) ZHONG Zhi-ping~(2)(1.College of Mechanical Engineering Yanshan University Qinghuangdao Hebei 066004 China 2.Beijing Research Institute of Mechanical & Electrical Technology Beijing 100083 China)

Unit：

KeyWords： multi-step part extrusion numerical simulation technology optimization

ClassificationCode：TG376

year,vol(issue):pagenumber：2006,31(3):68-70

Abstract：

Multi-step shell part is the combination of complicate shapes,whose small size and complicated shape make its forming technology very difficult.In this paper,taking the forming process of Ni tube as an example,the numerical simulation(FEM software Msc.Marc) and orthogonal experiment method are adopted to analyze the influence of different billets and problems existing in traditional design method.At the end of the paper,a new die profile in extrusion technology is presented.It is shown by the results of numerical simulation that with the optimized die profile,the part can be formed easily.Combined with orthogonal experiment method,the computing efficiency of FEM is improved significantly and the design cycle of new part is reduced greatly.

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Reference：

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