The machine is mainly composed by the drum, the swinging rack and the frame.
Drum packed in the swinging rack, supported by four wheels and axial orientation by two block round, among the four support rollers, two of them produce a drum rotating by rotating power system;The swinging rack is drive by a group of crankshaft swinging rod, crankshaft swinging rod is mounted on the frame, the swinging rack is support on the frame by bearing components.