Transactions of Materials and Heat Treatment

Title：Numerical simulation and parameter optimization on aluminum alloy spur bevel gear in isothermal forging

Authors： Zhao Xinhai1 2 Xu Hongqiang1 Liu Dandan1 Wu Xianghong1 Liu Guangrong3

Unit： 1. Shandong University 2.Huazhong University of Science and Technology 3.Shandong University

KeyWords： aluminum alloy spur bevel gear isothermal forging finite element method orthogonal test

ClassificationCode：

year,vol(issue):pagenumber：2016,41(7):142-146

Abstract：

For the spur bevel gear made by forging aluminum material, its isothermal forging process and parameters optimization were studied. Finite element analysis model was established by Deform-3D, and the open-die forging process was simulated to obtain the metal flow and forming load. The key parameters (temperature, height of peel, peel thickness, radius and flash thickness) of forming process were optimized by the orthogonal test, and the influence of different parameters on the forming load was analyzed with the effective sequence of temperature, flash thickness, radius, height of peel and peel thickness. Furthermore, the single variable optimizations of punch velocity and friction coefficient were carried out respectively. Taken the smallest forming loading as the optimize object, the optimized technological coefficient for the gear without defects was obtained.

Funds：

华中科技大学材料成形与模具技术国家重点实验室开放课题研究基金项目（P2014-011）;山东大学基本科研业务费资助项目（2014JC024）

赵新海（1973-），男，博士，副教授

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