什么是刀具钝化？钝化就是为了保持钻刀刃的强度而进行刀刃处理的工艺。对于容易造成磨损的刀刃，预先进行精密加工，可以即使加工变得快捷，又可延长刀具的使用寿命。Honing is a process of the drill tip,which can maintain the edge intensity of the drill.Deal with the blade which is chipping and break easily,the prior processing cannot only make cu
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