MATEC Web Conf.
Volume 185, 20182018 The 3rd International Conference on Precision Machinery and Manufacturing Technology (ICPMMT 2018)
|Number of page(s)||11|
|Published online||31 July 2018|
Generalized optimizations of two-stage forging of micro/meso copper fastener
Department of Industrial Education and Technology, National Changhua University of Education, Changhua, 500, Taiwan
2 Department of Mechanical and Automation Engineering, Chung-Chou University of Science and Technology, Yuanlin, Changhua, 510, Taiwan
* Corresponding author: firstname.lastname@example.org
Three are generalized simulation optimizations considering the forging force, the die stress, and the dual-goals in two-stage forging of micro/meso copper fastener. Constant shear friction between the dies and workpiece is assumed to perform multi-stage cold forging forming simulation analysis, and the Taguchi method with the finite element simulation has been used for mold-and-dies parameters design simulation optimizations considering the forging force, die stress, and dual-goals. The die stress optimization is used to explore the effects on effective stress, effective strain, velocity field, die stress, forging force, and shape of product. The influence rank to forging process of micro/meso copper fastener for three optimizations can be determined, and the optimal parameters assembly consider die stress can be obtained in this study. It is noted that the punch design innovation can reduce the forging force and die stress.
© The Authors, published by EDP Sciences, 2018
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