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一、引言普通冲压件和精冲件在剪切面质量上的区别一般都很清楚。普通冲压时剪切面上有两个区域:即剪切区和断裂区。与此相反,精冲时整个剪切面都是光洁的,并无断裂现象(图1)。
First, the introduction of ordinary stamping parts and fine blanking pieces in the quality of the difference between the shear surface are generally clear. Common stamping shear plane has two areas: the shear zone and the fracture zone. In contrast, the entire sheared surface is fine and clear without fissuring (Figure 1).