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为了适应高速切螺纹的需要,我厂林炎弟同志大胆革新,在有关同志的协助下,在自己操作的C620车床溜板箱上,加装了一个自动停刀限位机构,实践证明,效果良好,限位准确,该机构比较简单,不改动车床结构,只要加装限位爪盘、限位操纵杆、限位凸轮等几个零件。(附机构图)其操作过程为:(1)当车削正螺纹时,松开刻度盘和刻度环定位螺钉5,反时针方向转动溜板手轮1,使刀尖对准要车削的工件螺纹退刀槽位置。顺时针方向转动手把13,使开合螺母合上。转动刻度环
In order to meet the needs of high-speed thread cutting, my factory Lin Yandi bold reform, with the help of the comrades in their own operation C620 lathe slide box, the installation of an automatic stop limit mechanism, practice has proved effective, Accurate limit, the mechanism is relatively simple, do not change the lathe structure, as long as the installation limit claw plate, limit lever, limit cam and several other parts. (Attached to the figure) The operation process is: (1) When turning the positive thread, release the dial and the scale ring positioning screw 5, counterclockwise rotation of the thumb wheel 1, the tip of the alignment to be machined workpiece thread Undercut position. Turn the handle 13 clockwise to close the opening nut. Turn the scale ring