China A4vg28 Hydraulic Closed Circuit Pumps_Rexroth Axial Piston Variable High Pressure Pump, Find details about China A4vg28ep1d1/32r-Nsc10f005s, A4vg28ep1d1/32r-Nsc10f015s from A4vg28 Hydraulic Closed Circuit Pumps_Rexroth Axial Piston Variable High Pressure Pump
Size | NG | 28 | 40 | 56 | 71 | 90 | 125 | |||
Displacement, geometric, per revolution variable pump | Vg max | cm3 | 28 | 40 | 56 | 71 | 90 | 125 | ||
boost pump (at p = 20 bar) | Vg Sp | cm3 | 6.1 | 8.6 | 11.6 | 19.6 | 19.6 | 28.3 | ||
Rotational speed1) | maximum at Vg max | nnom | rpm | 4250 | 4000 | 3600 | 3300 | 3050 | 2850 | |
limited, maximum2) | nmax1 | rpm | 4500 | 4200 | 3900 | 3600 | 3300 | 3250 | ||
intermittent, maximum3) | nmax2 | rpm | 5000 | 5000 | 4500 | 4100 | 3800 | 3450 | ||
minimum | nmin | rpm | 500 | 500 | 500 | 500 | 500 | 500 | ||
Flow at nnom and Vg max | qv | l/min | 119 | 160 | 202 | 234 | 275 | 356 | ||
Power4) at nnom, Vg max and Δp = 400 bar | P | kW | 79 | 107 | 134 | 156 | 183 | 238 | ||
Torque4) at Vg max and | Δp = 400 bar | T | Nm | 178 | 255 | 357 | 452 | 573 | 796 | |
Δp = 100 bar | T | Nm | 45 | 64 | 89 | 113 | 143 | 199 | ||
Rotary stiffness of drive shaft | S | c | kNm/rad | 31.4 | 69 | 80.8 | 98.8 | 158.1 | 218.3 | |
T | c | kNm/rad | - | - | 95 | 120.9 | - | 252.1 | ||
A | c | kNm/rad | - | 79.6 | 95.8 | 142.4 | 176.8 | 256.5 | ||
Z | c | kNm/rad | 32.8 | 67.5 | 78.8 | 122.8 | 137 | 223.7 | ||
U | c | kNm/rad | - | 50.8 | - | - | 107.6 | - | ||
Moment of inertia for rotary group | JTW | kgm2 | 0.0022 | 0.0038 | 0.0066 | 0.0097 | 0.0149 | 0.0232 | ||
Maximum angular acceleration | α | rad/s² | 38000 | 30000 | 24000 | 21000 | 18000 | 14000 | ||
Case volume | V | l | 0.9 | 1.1 | 1.5 | 1.3 | 1.5 | 2.1 | ||
Weight (without through drive) approx. | m | kg | 29 | 31 | 38 | 50 | 60 | 80 |