... .Inspected by CMM 5.Smooth surface,Ra1.0 Center Plate Sand casting used for industrial clutch and brakes.1 ... Railway fittings, ring flange , electromagnetic steel cover, piston, pressure plate, center plate, wear plate, cylinder, impeller, disc etc.3. Nearly 150 ... during the whole process of manufacture with the assistance of computer and other material control equipments, which includes the raw ...