... for repairing, grinding, polishing, crystallizing millstones.diamond floor grinding machine HWG 70 has the quickest motor speed, from 300 rpm ... The motor is 15 hp, and working area is 700 mm, so it is most powerful machine in HONWAY grinding and ... diamond metal, resinbond.3, Remove painting, coating, epoxy, urethane, glue, polyurethane, mastic with PCD tools.Parameter: Weight 280KG Extra (Iron ...