Bosch Rexroth | AEAA10VSO71DR31R-VKC62K68
AEAA10VSO71DR/31R-VKC62K68
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The AEAA10VSO71DR/31R-VKC62K68 pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and is used to modulate hydraulic flow in automated machinery. The geometric displacement is 71 cm³ per revolution, setting the base volume moved with each shaft turn. When driven at 1,800 rpm the unit supplies 128 L/min, a rate suitable for mid-range actuator cycles, while at its nominal speed of 2,200 rpm the flow rises to 156 L/min to meet rated production demands. The shaft can run up to 2,600 rpm, giving extra speed margin for transient commands. Power demand at nominal speed is 73 kW, information required for matching the prime mover. A torque load of 113 Nm at 100 bar indicates mechanical effort during partial pressure operation, and the low moment of inertia of 0.0083 kg·m² supports quick stroke adjustments. The assembly weighs 35.2 kg without a through drive, permitting installation by one technician.
The pump carries a nominal pressure rating of 280 bar and tolerates peaks to 350 bar, making it suitable for high-force tooling circuits. Torque climbs to 316 Nm at 280 bar, a value used to size couplings for full-pressure duty. A 1.6 L case volume stores internal fluid for bearing lubrication and heat removal. Oil enters through a 2 in suction port conforming to ISO 6162-1, minimizing inlet losses, and exits through a 1 in working port of the same flange pattern for standard line connections. Pilot control is handled by a 7/16-20 UNF port specified in ISO 11926, allowing direct linkage to proportional or relief valves. Combined with the speed and pressure capabilities noted earlier, these interface details enable the AEAA10VSO71DR/31R-VKC62K68 to function as a variable displacement source for closed-loop cylinders, hydraulic motors, and manifold systems in industrial automation.
Technical Specifications
Case Volume
1.6 L
Flow At 1800 Rpm
128 L/min
Geometric Displacement
71 cm3/rev
Max Flow At Nominal Speed
156 L/min
Max Permissible Speed
2600 rpm
Maximum Pressure
350 bar
Moment Of Inertia (jtw)
0.0083 kg·m²
Nominal Pressure
280 bar
Nominal Speed (vg Max)
2200 rpm
Pilot Port Thread
7/16-20 UNF (ISO 11926)
Power At Nominal Speed
73 kW
Suction Port Size
2 in (ISO 6162-1)
Torque At 100 Bar
113 Nm
Torque At 280 Bar
316 Nm
Weight Without Through Drive
35.2 kg
Working Port Size
1 in (ISO 6162-1)
1620 Old Apex Road
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