Bosch Rexroth | AA10VM45DG52W1-VWC64N000
AA10VM45DG/52W1-VWC64N000
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The AA10VM45DG/52W1-VWC64N000 motor is part of the A10VM Variable Motors series from Bosch Rexroth and is intended for adjustable-speed hydraulic drives. Its maximum displacement of 45 cm³ per revolution sets the volumetric output that can be modulated by the control system. A 7/8-inch, 13-tooth, 16/32DP drive spline transmits power to the gearbox while maintaining precise alignment under load. The control port uses a 7/16-20 UNF-2B thread, providing a standard connection for pilot pressure lines. Continuous work is permitted at a nominal pressure of 280 bar, and the same value is specified as the maximum switching pressure so swashplate adjustments do not exceed the motor’s structural limits. A minimum switching pressure of 40 bar ensures the displacement mechanism shifts reliably without cavitation. The absolute upper working limit is 350 bar, giving a safety margin for transient peaks. A moment of inertia of 0.0033 kg·m² keeps acceleration times short, supporting fast regulation when flow demand changes.
The motor sustains 4000 rpm at full displacement and can reach 4600 rpm when displacement is reduced, allowing higher line speeds in low-torque conditions. Stable operation down to 250 rpm supports slow positioning cycles common in mobile equipment. A permitted angular acceleration of 4000 rad/s² enables rapid start-stop profiles without overstressing the rotating group. At the rated 280 bar, the unit delivers 200 N·m of torque to drive winches, conveyors, or propel functions. Meeting this torque requires an inlet flow of 180 L/min at nominal speed, a figure that helps size the accompanying pump. Shaft loading is managed by an allowable axial force of ±1500 N and a radial force of 1500 N at mid-shaft, values that guide coupling design and bearing selection. These mechanical limits, together with the speed and pressure ratings, define the operating envelope for hydraulic automation systems that rely on variable displacement control.
Technical Specifications
Control Port G Thread
7/16-20 UNF-2B
Displacement (vg Max)
45 cm3/rev
Drive Spline (w)
7/8 in 13T 16/32DP
Inlet Flow At Nnom, Vg Max
180 l/min
Max Angular Acceleration
4000 rad/s²
Max Axial Force
±1500 N
Max Radial Force At X/2
1500 N
Max Speed (vg Max)
4000 rpm
Max Speed (vg Min)
4600 rpm
Max Switching Pressure (dg)
280 bar
Max Torque At 280 Bar
200 Nm
Maximum Pressure
350 bar
Min Speed (continuous)
250 rpm
Min Switching Pressure (dg)
40 bar
Moment Of Inertia
0.0033 kgm2
Nominal Pressure
280 bar
1620 Old Apex Road
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