This machine uses cup-shaped grinding wheel, single-mode head, small volume, light   weight, simple structure, easy operation. There are fast and slow grinding wheel shaft feeding, radial step uses frequency conversion speed adjustment to control the grinding, which is efficient and effective. This roll grinder uses vertical grinding, making the introverting pattern conductive to roller feeding. In addition, it also equipped with automatic hydraulic lift, which make the roll grinder easy to install and move.