论文部分内容阅读
冲头是锻造生产中常用的简单模具。一般的冲头都是实心带梢的,如图1所示。在此,我们向大家介绍一种既轻又实用的扩孔冲头——空心凸肚冲头。 现阶段锻造中出现的带孔圆盘类
Punches are simple tools commonly used in forging production. The general punches are solid with tips, as shown in Figure 1. Here, we introduce a light and practical reaming punch - Hollow punch. At this stage forged appear in the disc type