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凸台轴冷镦工艺有限元模拟及分析

Forging & Stamping Technology(2009)

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Abstract
基于数值模拟的方法,分析了凸台轴的自由冷镦和开式冷镦两种加工方法。自由冷镦成形力较小,模具寿命较高,但材料耗费较大,不利于加工的成本化管理。开式冷镦,能有效节约原材料,虽成形力较大,但借助有限元分析软件DEFORM,选择适当的型腔高度,可控制成形力大小,同时又能保证凸台的加工精度。试验证明:数值仿真能有效模拟凸台的成形加工过程,对研究凸台型腔高度对成形力大小的影响有一定的理论参考价值。
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Key words
opened cold forging,forming force,shaft with boss,free cold forging,numerical simulation
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