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到现在为止还没有一种磨削孔内键槽的专用设备,因而在加工冲电枢冲片的轴孔键槽通风孔凹模时一般的做法是在淬火前轴孔半精车到?6,留磨0.5—0.6(具体按轴孔
So far, there is no special equipment for grinding the keyway in the hole. Therefore, when machining the arbor of the arcuate punch, the common practice is to make the semi-finish shaft hole before quenching to 6 Mill 0.5-0.6 (according to the shaft hole