此工具靠锥柄装入尾座套筒,见图。在夹具体1上装导套2,导套内装板牙3,根据工件上的螺纹长度调整拼帽4的位置。工作时尾座不要固紧,摇动手轮与工件接触,工件慢速旋转,导套沿开口轨道移动,切削完毕即倒车。 This tool by taper shank into the tailstock sleeve, see picture. The clamp body 1 is loaded with a guide sleeve 2, the guide sleeve is embedded with a plate tooth 3, and the position of the head cap 4 is adjusted according to the thread length on the workpiece. Do not tighten the tailstock when working, shaking the handwheel in contact with the workpiece, the workpiece rotates slowly, the guide sleeve moves along the opening track, the reverse is completed after cutting.