2. When the threading machine is working, first put the pipe to be threaded into the pipe chuck, impact and clamp it, press the start switch, and the pipe will rotate with the chuck, adjust the size of the die opening on the die head and set the length of the thread opening. Then pull the feed handwheel clockwise, so that the die cutter on the die head sticks to the rotating pipe end with a constant force, the die cutter will automatically cut off the threaded sleeve, and at the same time, the cooling system will automatically spray oil, so that the die cutter can cool the waiting thread.
3. The threading machine also has the function of cutting off the pipe: put the pipe into the pipe chuck, impact and clamp it, start the switch, put down the cutter head on the feeding device, pull the feeding handwheel, make the blade on the cutter head move to the length point to be cut off, and gradually turn the handle on the cutter head to make the blade squeeze the rotating pipe. After four or five turns, the pipe is squeezed and cut off by the blade.