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。
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.
设计了适合自由锻锤上厚板冲孔的模具，对在自由锻锤上厚板冲孔进行了有益的尝试，扩大了自由锻设备的加工范围，解决了不具备大型压力机情况下的生产难题。
Die for thick plate punching on free forging hammer is designed, which can expand the machining application of free forging equipment and solve the manufacturing problems in case that...
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