... Spindle speed (5 positions) 1010,790,470,140 r/min Spindle stroke 450 mm Spindle speed as lifting up no ... line) max 11 KN Drum speed 121,76,36 r/min Drum circumferential velocity (two layers) 1.05, 0, 66 ... dia 252 mm Brake band broad 50 mm 4.Oil pump Model YBC-12/80 Working pressure 8 MPa ... with double acting Displacement elec-motor 77 L/min diesel engine 95 L/min Max pressure 1.2 Mpa Working pressure 0 ...