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基于响应面法的拉延成形参数优化

Ordnance Material Science and Engineering(2016)

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Abstract
针对汽车覆盖件拉延成型易发生破裂、起皱和成型不足等缺陷,提出一种基于响应面法的优化方法.以拉延筋阻力系数和压边力作为优化因素,将最大减薄率、最大增厚率和安全评价函数作为目标函数,采用响应面法构建优化因素与目标函数间的拟合方程,求解得到最优的参数组合:t1为20%,t2为15%,如为20%,压边力大小Fb为80 t.实际实验结果和有限元结果基本吻合,表明该方法可以有效优化拉延成形参数.
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