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提高小孔加工的效率１．原加工状态在下述材料上钻削小孔时，通常是采用Ｎ＝１５０００ｒ／ｍｉｎ的高速主轴进行加工。（１）用高速钢钻头在黄铜工件上加工φ１ｍｍ，深２６ｍｍ的通孔，在黄铜件的侧面加工φ２．５ｍｍ的通孔和一个小φ７ｍｍ的通孔，φ７ｍｍ孔和φ１ｍ...
Improve the efficiency of the hole processing 1. Raw Machining When drilling small holes in the following materials, machining is normally performed using a high-speed spindle of N = 15000 r / min. (1) Machining a through hole of φ1mm and a depth of 26mm on a brass workpiece with a high-speed steel drill, machining a through hole of φ2.5mm and a through hole of φ7mm and a φ7mm hole and φ1m ...