stone grinding equipment; Motor: 5hp, 360-400V, 3P; Inverter: 5hp, speed 300-1600rpm; Vacuum cleaner; Diamond tool. wet stone grinding machine, stone grinding equipment Performance1, Aluminum alloy gearbox guarantee quality;2, Big motor: good for large area; inverter: grinding and polishing;3, Two motors to choose: 380-400V, Three P; 220-240V, One P;4, Water tank and vacuum port provide wet and ...