Based on the elastic-plastic FEA theory of three-dimension large distortion,this paper simulates the process of the cold drawing rifled tubes by MSC.
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本文基于三維彈塑性大變形有限元分析理論,通過(guò)對內螺旋凸筋管冷拔成形過(guò)程進(jìn)行有限元仿真,建立增量步與拉拔力的關(guān)系,提出了拉拔力的計算方法。
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