... accurate.4,A machine with multi-purpose function,if change the grinding head can polishing different materials. Technical parameter1,Polishing form-continuous-form2,Polishing cycle-3 ... head up and down-air-operated4,polishing head-4heads5drrive control-frequency control6,Biggest products-600×6007,machine power-11kW×9+4kW8,weight-13T 6 head polishing machine ...