我厂加工ZUNDAPP摩托车发动机连杆中有一工序是倒角。由于连杆大端的两个侧面(图1)不是连续的平面,有4个高出的凸台。倒角加工时切削不连续,若用普通的多刃锪钻刀,不但切削速度慢而且由于后角太大呈直 I plant processing ZUNDAPP motorcycle engine connecting rod is a chamfer process. Since the two sides of the large end of the connecting rod (Figure 1) are not continuous planes, there are 4 raised bosses. Cutting chamfering process is not continuous, if the ordinary multi-blade 锪 drill, not only slow cutting speed and the angle is too straight