什么是刀具鈍化?鈍化就是為了保持鉆刀刃的強度而進行刀刃處理的工藝。對于容易造成磨損的刀刃,預先進行精密加工,可以即使加工變得快捷,又可延長刀具的使用壽命。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