Main features of the mechanical three-roller asymmetric bending machine: the structure of the machine is a three-roller asymmetric type, the upper roller is the main drive, and the lower roller is vertically moved up and down to clamp the plate and mesh with the upper roller gear through the lower roller gear. At the same time, as the main drive; the side rollers are used for tilting and lifting movements, and have the dual functions of pre-bending and rolling. Compact structure and easy operation and maintenance.