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在棒料自动车床上对套、螺母等类型的工件切内环槽或倒内角有一定的困难,这时必须采用专门的辅具,以便将机床刀架的纵向位移变为车刀的横向位移。为解决这一问题,苏联某汽车厂设计了一种简单的加工内环槽和倒内角用的装置(见图)。借助轴2将双臂杠杆5装在刀秆3上,刀杆3则固定在机床刀架上,弹簧4使双臂杠杆5处于非工作位置(虚线)。在杠杆的一个臂上固定有刀头7,而另一臂上装有滚珠或滚柱式挡块6。
In bar automatic lathe on the sleeve, nut and other types of workpiece cut within the ring groove or inverted angle has some difficulties, then you must use specialized aids to machine tool holder longitudinal displacement into a turning tool lateral displacement . To solve this problem, a car factory in the Soviet Union devised a simple device for machining the inner ring groove and turning the inner corner (see figure). The double-arm lever 5 is mounted on the blade 3 by means of a shaft 2, the tool holder 3 is fastened to the machine tool holder, and the spring 4 brings the double-arm lever 5 into the rest position (dashed line). On one arm of the lever a blade 7 is fixed and on the other arm a ball or roller stop 6 is mounted.