press piercing mill 压力穿孔机
press piercing method 压力穿轧法
piercing press 穿孔压力机 ; 穿孔机 ; 冲孔机
hydraulic piercing press 液压冲孔机 ; 水力穿孔压力机
Based on UBEM, the analysis Inodel for press piercing process has been established in this paper and its analytical expressions have been obtained.
采用上限元法建立了压力穿孔过程中穿孔力的分析模型并给出了解析表达式。
Introduced a kind of compound triming die with connecting rods, it could finished the piercing and triming and sizing process in one press, the working efficiency is high, triming quality is good.
介绍了一种复合式连杆切边模，可在压力机一次行程过程中完成连杆的冲孔、切边和整形工序，该模具具有工作效率高、切边质量好等优点。
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