This standard specifies the size series of the inner diameter, piston rod and pin diameter of the hydraulic cylinder of the cantilever tunnel boring machine. This standard applies to hydraulic cylinders used in cantilever tunnel boring machines in coal mines or other engineering tunnels.
MT/T 472-1996 history
1996MT/T 472-1996 Cantilever roadheader hydraulic cylinder inner diameter piston rod and pin shaft diameter series