折叠式套丝工具(附图),由螺钉1、板牙套3和组合转动锥体3组成,其导程为80mm。使用时,将莫氏锥柄装在车床尾座套筒内,板牙套2装在组合转动锥体3前端套杆上,以导向销钉拨在导向槽内,板牙套2可在套杆上沿导向槽向前滑移,板牙装在板牙套2内,以螺钉1紧固,即可工作。 Folding threading tools (with photos), the screw 1, die set 3 and the combination of rotating cone 3, the lead is 80mm. When used, the Morse taper shank is installed in the tailstock sleeve of the lathe. The die set 2 is mounted on the front sleeve sleeve of the combined rotating cone 3, the guide pin is dialed in the guide groove, and the dental mouthpiece 2 can be arranged on the upper edge of the sleeve rod The guide groove slides forward, and the teeth are mounted in the die holder 2, so as to be fastened with the screw 1, and can work.