Compositions: 1) Grinding head assembly 2) Frame assembly 3) Special clamping fixture 4) Hydraulic system 5) Coolant system 6) Electrical systemMain technical parameters: 1) Overall dimensions: 760 x 330 x 1,250 2) Total weight: about 750kg 3) Kind of coolant: keroseneMotor for grinding head spindle drive type Y90S-2 3.2A: 1) Power: 1.5kW 2) Speed: 2,840rpmMotor for oil pump type Y90L-4 3.4A: 1) Power: 1.5kW 2) Speed: 1,400rpmCooling pump type AB-25: 1) Power: 90W 2) Speed: 2,840rpm