Each set of pipe cutting machines is equipped with strong and stable power. During the cutting process, the cutting machine is fixed on the pipe to be cut, and the cutting tool automatically rotates around the pipe for several times to cut off the pipe. The cutting volume is large, the efficiency is high, and the incision is smooth. No burrs, no deformation, and cutting and beveling can be completed at the same time; by customizing different beveling knives, bevel cutting at different angles can be completed.