Suitable for model YJ-40/YJ-50 decorative/industrial pipe making machine. Adopt hydraulic pneumate mode, man-machine display interface. In accordance with the different size of the pipe can be configured private machine cutting machine, swing arm cutting machine, vertical arm cuting machine, band saw cutting machine. When the machine group received the length of the signal, the system began to linkage operations. The fixture begins to tighten the pipe, the hydraulic system drives the cutter under pressure and turns the saw blade: the drive system moves forward with the tube, cutting is done, chain saw homing, after touching the signal point again, the fixture loosens and the drive system returns to the next operation. Products with cutting shape is good, no burr, easy to run.