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我厂有一零件见图 1,原来加工直径 7ｍｍ ,长2 6 5ｍｍ孔时 ,是把钻头装在尾座套筒内 ,摇动尾座手轮手动走刀 ,这种方法既吃刀不均匀 ,又费力。为了克服这种缺点 ,我们把手动走刀改成了自动走刀 ,改进结构见图 2。这种改进结构简单 ,只设计制造了一个钻头座 ,要求钻头座的锥孔
I plant a part shown in Figure 1, the original diameter of 7mm processing, long 26mm hole, the drill is installed in the tailstock sleeve, shaking the tail hand wheel manual walking, this method not only eat uneven knife, and Laborious In order to overcome this shortcoming, we changed the manual knife into the automatic knife, the improvement structure sees Fig. 2. This improved structure is simple, only to design a drill bit holder, drill bit cone