Bosch Rexroth | AA10VO45DR52L-VUC64N00
AA10VO45DR/52L-VUC64N00
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The AA10VO45DR/52L-VUC64N00 belongs to the A10VSO Variable Pumps series produced by Bosch Rexroth and is intended to regulate hydraulic flow in automated machinery. It supplies 45 cm³ per revolution, defining the volume displaced each shaft turn. The pump operates at a nominal pressure of 280 bar and can withstand a peak pressure of 350 bar for short-term load peaks. When driven at 1800 rpm it delivers 81 L/min, while raising speed to 2600 rpm increases flow to 117 L/min for higher system demand. The highest permissible speed at full displacement is 2600 rpm, yet the unit endures 3100 rpm when the displacement is reduced, broadening its speed envelope. A driving torque of 200 Nm is required at 280 bar, information that assists with prime-mover selection.
The inlet absolute pressure must stay between 0.8 bar and 30 bar so suction integrity is maintained without overstressing the ports. Internal leakage returns through the case drain, where absolute pressure is limited to 2 bar to avoid seal damage. The DR pressure controller exhibits a 3 bar hysteresis, indicating the difference between pressure rise and fall before adjustment occurs. Pilot oil consumption can reach 3 L/min, a value used to size the pilot circuit. The housing holds 1.0 L of fluid as filling capacity to assure lubrication at startup. A rotating group moment of inertia of 0.0033 kg m² influences acceleration behavior during speed changes, and the assembly weighs 21 kg without fluid, guiding mounting and handling considerations.
Technical Specifications
Case Drain Abs Pressure Max
2 bar
Displacement
45 cm3/rev
Dr Control Hysteresis
3 bar
Dr Pilot Oil Consumption Max
3 L/min
Filling Capacity
1.0 L
Flow At 1800 Rpm
81 L/min
Inlet Abs Pressure Max
30 bar
Inlet Abs Pressure Min
0.8 bar
Max Flow At 2600 Rpm
117 L/min
Max Perm Speed At Reduced Vg
3100 rpm
Max Speed At Vg Max
2600 rpm
Moment Of Inertia
0.0033 kg m2
Nominal Pressure
280 bar
Peak Pressure
350 bar
Torque At 280 Bar
200 Nm
Weight (without Fluid)
21 kg
1620 Old Apex Road
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