The planetary pipe polishing machine is made for polishing both straight and bending metal pipe and tubes such as stainless steel pipe, steel pipe, aluminium pipe and copper pipes. The machine are equipped with one electric motor, which are connected to the belt and drive the aluminum round plate to rotate. When we run the machine, both the big aluminum plate and sand belt will be rotating. The common two models are 1mm-70mm and 1mm-160mm.