钢管定径拉拔法
The phenomenon of longitudinal fission seldom occurred during the process of tube plug drawing mill compared with empty-sunken steel tube. The problem which seldom cause transverse fissure in form of partial failure owing to uniform distribution of axial stress in cross section.
与空拔相比较,在短芯棒拔制过程中,纵裂现象一般不会发生,由于钢管轴向应力在横截面上分布均匀,一般也不会出现以局部破坏形式出现的横裂现象。
Non linear finite element analysis of the forming process of plug drawing tube with cone and china dies
锥模和弧形模芯拔管成型过程的非线性有限元分析
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