The workbench is equipped with electromagnetic suction cups or other fixtures for clamping workpieces. The grinding head can move laterally along the horizontal guide rail of flat plate application, and it can be driven by hydraulic pressure or controlled by lateral feed handwheel. The carriage can also move vertically along the guide rail of the vertical core to adjust the height position of the grinding head and complete the vertical feed movement (this movement can also be realized by rotating the vertical feed handwheel). The grinding wheel is directly driven by a motor installed in the grinding head housing.