FEM analysis of shrinkage fitting carried out for fabrication of shaped cemented carbide dies with straight or hexagonal cross sections

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The design of dies, which is effective for fabricating shaped drawn materials with straight angles or hexagonal cross-sections with high dimensional accuracy, and for the improvement of die life, is examined based on the results of finite element method analysis of the shrinkage fitting process with various allowances of shrinkage fitting. The optimal design of dies is examined based on the deformation and the distribution of residual stress of cemented carbide tips during drawing

Description

The design of dies, which is effective for fabricating shaped drawn materials with straight angles or hexagonal cross-sections with high dimensional accuracy, and for the improvement of die life, is examined based on the results of finite element method analysis of the shrinkage fitting process with various allowances of shrinkage fitting. The optimal design of dies is examined based on the deformation and the distribution of residual stress of cemented carbide tips during drawing

Additional information

Author(s)

Kazunari Yoshida, Noriyuki Ishizawa, and Tsuneyuki Kuboi, Tokai University, Japan

Publication/Event/Pages

Paper presented at WAI 74th Annual Convention, Cleveland, OH USA. Published in WJI, Aug. 2005, pp. 72-76.

Year

2004