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图1所示零件采用图2所示的模具结构,即可在一次行程中将零件压出来。其工作过程是:当冲床向下运动时,落料凸模1和冲孔凸模
Figure 1 shows the parts shown in Figure 2 using the mold structure, you can press the parts in a stroke out. The working process is: When the punch down, blanking punch 1 and punching punch