Bosch Rexroth | AA10VM45HZ52W2-VWC60N000
AA10VM45HZ/52W2-VWC60N000
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The AA10VM45HZ/52W2-VWC60N000 motor belongs to the A10VM Variable Motors series from Bosch Rexroth and is applied in hydraulic automation where variable displacement allows load-dependent control. It provides a geometric displacement of 45 cm³ per revolution so the user can size pump flow for the desired actuator speed. The unit is rated for a nominal pressure of 280 bar and can withstand a maximum pressure of 350 bar, enabling operation in high-duty closed circuits. When pressurized to 280 bar at maximum displacement, it delivers 200 Nm of torque to the drive shaft. At full displacement the nominal shaft speed is limited to 4000 rpm, while the minimum controllable speed is 250 rpm to support slow, precise movements. With the swashplate set to minimum displacement, the motor accepts up to 4600 rpm, giving designers a wider speed range. An inlet flow of 180 L/min at nominal speed matches medium-size pump outputs found in mobile machinery.
A pilot pressure of 30 bar is required to shift the swashplate to minimum displacement, and the hydraulic control tolerates pilot pressures up to 280 bar without damage. Internal leakage is handled by a 0.7 L case volume that prevents rapid fluid temperature rise. Power is transmitted through a 7/8 in, 13-tooth, 16/32DP splined shaft, providing positive engagement with standard couplings. Working ports follow ISO 6162-2 with a 3/4 in size so hose fittings can be selected from common catalog parts. The rotating group carries a moment of inertia of 0.0033 kg·m², reducing acceleration losses in duty cycles with frequent speed changes. A rotary stiffness of 34 400 Nm/rad supports stable drive control under fluctuating load. FKM seals are fitted to resist high temperature and mineral oil exposure, completing the motor’s compatibility with typical hydraulic fluids.
Technical Specifications
Case Volume
0.7 L
Drive Shaft Spline
7/8 in 13T 16/32DP
Geometric Displacement
45 cm³/rev
Inlet Flow At Nnom (vg Max)
180 L/min
Max Pilot Pressure (hz Control)
280 bar
Max Speed At Vg Min
4600 rpm
Maximum Pressure
350 bar
Minimum Speed At Vg Max
250 rpm
Moment Of Inertia (jtw)
0.0033 kg·m²
Nominal Pressure
280 bar
Nominal Speed At Vg Max
4000 rpm
Pilot Pressure For Vg Min
30 bar
Rotary Stiffness (w Shaft)
34400 Nm/rad
Sealing Material
FKM
Torque At 280 Bar (vg Max)
200 Nm
Working Port Interface
ISO 6162-2, 3/4 in
1620 Old Apex Road
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