在机床制造和修理中,经常会碰到如图1所示的内六角套零件的加工。加工这种内六方孔,一般都是采用拉削方法加工,这样就需要一些专用拉刀,而在产量少和机修的情况下,订购价格昂贵的拉刀很不合算。为了解决这一生产难题,我厂滚铣组的老师付,发扬 了敢想敢干的革命精 神,通过逐步摸 In the machine tool manufacturing and repair, often encounter as shown in Figure 1 sets of hexagon socket parts processing. Processing of such six-hole, are generally used broaching method of processing, so you need some special broach, and in the case of less production and mechanical repair, ordering expensive broaches is not cost-effective. In order to solve this production problem, I plant the group of hobs to pay, carry forward the courage to dare to do revolutionary spirit, through the gradual touch