The machine adopts a completely cold working method and automatically locates the center of the tube, which is more efficient. The machine has a compact and beautiful structure, a high-strength aluminum body, small and exquisite, light in weight, easy to carry, easy and fast to install, simple to operate, and easy to maintain. It can cut only, bevel only, cut and bevel at the same time, the processing efficiency is high, and the processing precision is high. The groove surface is of good quality and no burrs. German imported motor, overload protection, adjustable processing speed, strong stability.