我们在加工微型钻夹头钻体三孔时,过去是一次装夹后进行钻削和镗削加工。因孔径尺寸精度要求较高,把引孔用三角钻和镗刀分别装在四方刀架上,换刀时须摇动拖板手轮几十转,而钻孔则须来回拖动尾架进行钻削,效率低,又费力。为解决既能提高生产效率,又能照顾机床的通用性,设计制造 When machining three holes in the drill chuck, we used to drill and drill once after clamping. Due to the high accuracy of the aperture size, the drill hole and the boring cutter are mounted on the square knife holder, the knife must be tilted tilting hand wheel dozens of revolutions, and the drill must be trailing back and forth to drag the tailstock Cut, inefficient, and laborious. To solve both can improve production efficiency, but also take care of the versatility of machine tools, design and manufacturing