Bosch Rexroth | AA10VM45DG52W1-VWC60N000
AA10VM45DG/52W1-VWC60N000
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The AA10VM45DG/52W1-VWC60N000 variable motor is produced by Bosch Rexroth for the A10VM Variable Motors series. Intended to convert hydraulic energy into rotary motion in mobile and industrial drives, it uses a maximum displacement of 45 cm³ per revolution to regulate circuit flow. A nominal pressure rating of 280 bar allows regular duty without overstressing seals, and at this pressure the motor produces 200 Nm of torque for direct shaft coupling. Nominal speed reaches 4000 rpm at maximum displacement so power density remains high during continuous operation. The housing holds 0.7 L of case volume, giving leakage oil room for cooling and air removal. Operation with HLP hydraulic oil specified by DIN 51524 maintains viscosity and material compatibility. With a weight of 18 kg, the unit can be handled and installed without special lifting devices.
When the swashplate is set to minimum displacement the shaft can run at 4600 rpm, enabling fast travel cycles in variable-pump systems. A permissible angular acceleration of 4000 rad/s² supports quick reversals while staying within mechanical limits. The motor withstands peak pressures up to 350 bar, and a maximum pressure rise of 16 000 bar/s prevents damage during rapid valve shifts. Continuous function is possible down to 250 rpm for slow positioning tasks. The high-pressure port must stay above 10 bar absolute, and the low-pressure port above 2 bar absolute, to avoid cavitation. A rotary group inertia of 0.0033 kg·m² minimizes drivetrain load during speed changes. Finally, an inlet flow of 180 L/min at nominal speed supplies sufficient oil volume for full displacement and stable operation.
Technical Specifications
Case Volume
0.7 L
Displacement (vg Max)
45 cm³/rev
Hydraulic Fluid Type
HLP (DIN 51524)
Inlet Flow At N Nom
180 L/min
Max Angular Acceleration
4000 rad/s²
Max Speed At Vg Min
4600 rpm
Maximum Pressure
350 bar
Min Continuous Speed
250 rpm
Min Pressure (high-pressure Side)
10 bar(abs)
Min Pressure (low-pressure Side)
2 bar(abs)
Moment Of Inertia (rotary Group)
0.0033 kg·m²
Nominal Pressure
280 bar
Nominal Speed At Vg Max
4000 rpm
Rate Of Pressure Change Max
16000 bar/s
Torque At 280 Bar (vg Max)
200 Nm
Weight
18 kg
1620 Old Apex Road
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