Bosch Rexroth | AA10VM45DG52W2-VWC60N000
AA10VM45DG/52W2-VWC60N000
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The AA10VM45DG/52W2-VWC60N000 variable motor belongs to the A10VM Variable Motors series from Bosch Rexroth and serves as a displacement unit in hydraulic automation circuits, converting hydraulic energy into rotary motion under adjustable flow conditions. The maximum displacement of 45 cm³ per revolution determines the volume of oil moved each shaft turn. A nominal pressure limit of 280 bar defines the continuous load the motor can sustain, while a 350 bar maximum pressure rating allows brief pressure spikes. DG control changes displacement; it begins to shift at 40 bar and reaches its upper switching point at 280 bar, creating predictable control thresholds. An internal case volume of 0.7 l retains leakage oil and promotes cooling. Power is transmitted through a 7/8 in 13-tooth 16/32DP spline shaft that matches common drive couplings. Working ports conform to the ISO 6162-2 pattern for standardized flange connections, and the external control port uses a 7/16-20 UNF-2B thread to accept conventional pilot lines.
At rated speed and full displacement the inlet flow is 180 l/min, indicating the pump capacity needed to drive the motor. The unit can reach 4000 rpm at maximum displacement and up to 4600 rpm with displacement minimized, permitting higher speed when flow demand is lower. Continuous operation is possible down to 250 rpm at full displacement for slow, controlled movement. The rotary group moment of inertia is 0.0033 kg·m², which assists quick speed changes with limited energy. A permissible angular acceleration of 4000 rad/s² supports rapid response in dynamic duty cycles, and the combined speed range and acceleration capability give the drive a wide control bandwidth without overshoot during load transitions. When pressurized to 280 bar the motor delivers 200 Nm of torque at maximum displacement, giving the drive line significant turning force for propulsion or lifting tasks while keeping within the stated pressure limits.
Technical Specifications
Case Volume
0.7 l
Dg Control Max Switching Pressure
280 bar
Dg Control Min Switching Pressure
40 bar
Displacement (vg Max)
45 cm³/rev
Drive Shaft Spline
7/8 in 13T 16/32DP
External Control Port Thread (g/g1)
7/16-20 UNF-2B
Inlet Flow At Nnom And Vg Max
180 l/min
Max Angular Acceleration
4000 rad/s²
Max Speed At Vg Max
4000 rpm
Max Speed At Vg Min
4600 rpm
Maximum Pressure
350 bar
Min Speed At Vg Max (cont.)
250 rpm
Moment Of Inertia (rotary Group)
0.0033 kg·m²
Nominal Pressure
280 bar
Torque At 280 Bar (vg Max)
200 Nm
Working Ports Standard
ISO 6162-2
1620 Old Apex Road
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