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A10VG
Xeriwell or Others
Rexroth A10VG pump is an axial piston variable pump. Hydrostatic closed circuit transmissions benefit from the A10VG's infinitely variable drive speed and displacement proportions.
Features:
1) Variable axial piston pump of swash plate design for hydrostatic closed circuit transmission
2) Flow is proportional to drive speed and displacement and is infinitely variable
3) Output flow increases with the swivel angle of the swash plate from 0 to its maximum value
4) Flow direction changes smoothly when the swash plate is moved through the neutral position
5) A wide range of highly adaptable control devices is available for different control and regulating functions
6) The pump is equipped with two pressure-relief valves on the high-pressure ports to protect the hydrostatic transmission (pump and motor) from overload
7) The high-pressure relief valves also function as boost valves – The integrated boost pump acts as a feed and control oil pump
8) The integrated boost pump acts as a feed and control oil pump
9) The maximum boost pressure is limited by a built-in boost pressure relief valve
Type: A10VG18, A10VG28, A10VG45, A10VG63
Rexroth A10VG 18/28/45/63 Hydraulic Pump spare parts list:
| Table of values (theoretical values,without efficiencies and tolerances;values rounded) | ||||||
| Size | 18 | 28 | 45 | 63 | ||
| Displacement | ||||||
| variable pump | Vg max | cm3 | 18 | 28 | 46 | 63 |
| boost pump (at p = 20 bar) | Vg Sp | cm3 | 5.5 | 6.1 | 8.6 | 14.9 |
| Speed | ||||||
| maximum at Vg max | nmax continuous | rpm | 4000 | 3900 | 3300 | 3000 |
| limited maximum1) | nmax limited | rpm | 4850 | 4200 | 3550 | 3250 |
| intermittent maximum2) | nmax interm. | rpm | 5200 | 4500 | 3800 | 3500 |
| minimum | nmin | rpm | 500 | 500 | 500 | 500 |
| Flow | ||||||
| at nmax continuousand Vg max | qv max | l/min | 72 | 109 | 152 | 189 |
| Power3) | ||||||
| at nmax continuousand Vg max Δp = 300 bar | Pmax | kW | 36 | 54.6 | 75.9 | 94.5 |
| Torque3) | ||||||
| at Vg max Δp = 300 bar | Tmax | Nm | 86 | 134 | 220 | 301 |
| Δp = 100 bar | T | Nm | 28.6 | 44.6 | 73.2 | 100.3 |
| Rotary stiffness Shaft end S | c | Nm/rad | 20284 | 32143 | 53404 | 78370 |
| Shaft end T | c | Nm/rad | – | – | 73804 | 92368 |
| Moment of inertia for rotary group | JRG | kgm2 | 0.00093 | 0.0017 | 0.0033 | 0.0056 |
| Angular acceleration,max.4) | α | rad/s2 | 6800 | 5500 | 4000 | 3300 |
| Filling capacity | V | L | 0.45 | 0.64 | 0.75 | 1.1 |
| Mass approx. (without through drive) | m | kg | 14(18)5) | 25 | 27 | 39 |
