MATEC Web Conf.
Volume 119, 2017The Fifth International Multi-Conference on Engineering and Technology Innovation 2016 (IMETI 2016)
|Number of page(s)||11|
|Published online||04 August 2017|
Multi-stage forging on torx-pin screw with high torque
1 Department of Mechanical and Automation Engineering, Chung-Chou University of Science and Technology, Chang-hua County 510, Taiwan
2 Department of Industrial Education and Technology, National Chang-Hua University of Education, Chang-hua County 500, Taiwan
a Corresponding author : firstname.lastname@example.org
The study assumes constant shear friction to simulate multi-stage forging on torx-pin screw with high torque using FEM commercial software. Because the screw head has a plum needle shape with the effect of high torque, the 3D simulation model is used to explore the effective stress, the effective strain, the velocity field, and the forging force in each stage. The forming pass schedule considers three stages to obtain the product, and uses the Deform-3D software to explore the feasibility of forming pass schedule. Finally, the realistic manufacturing of torx-pin screw can be carried out to compare with the simulation results to verify the acceptance of FEM simulation. The maximum dimension error between simulation and experiment is around 2.45%, thus the feasibility of FEM simulation to die design for manufacturing the torx-pin screw can be verified.
© The Authors, published by EDP Sciences, 2017
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