Bosch Rexroth | AA10VM63HZ52W2-VWC60N000
AA10VM63HZ/52W2-VWC60N000
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The AA10VM63HZ/52W2-VWC60N000 is a variable motor produced by Bosch Rexroth for the A10VM Variable Motors series, intended to regulate hydrostatic transmission flow in hydraulic automation circuits. Its displacement is 62 cm³ per revolution, allowing the drive controller to meter fluid volume precisely. A maximum inlet flow of 205 l/min supports power delivery at full displacement when the system demands large output. The nominal pressure rating of 280 bar defines the continuous operating limit, while a maximum pressure of 350 bar accommodates brief overload events. At 280 bar and full displacement the motor delivers 276 Nm of torque, giving machines ample tractive or rotary force. The rotating group can run at 3300 rpm when set to maximum displacement, covering typical travel or work speeds. Power is transmitted through a 1 in, 15-tooth, 16/32 DP splined shaft that fits common pump or gearbox couplings, and a moment of inertia of 0.0056 kg·m² helps the system accelerate smoothly.
When the swashplate is stroked to minimum displacement the permissible speed rises to 3900 rpm, which supports fast repositioning cycles. A case volume of 0.8 l ensures sufficient oil for bearing lubrication and heat removal inside the housing. The control requires a 30 bar differential to initiate displacement change, so the hydraulic pilot circuit must maintain at least that delta-p for reliable switching. Minimum pilot pressure is also 30 bar, establishing the baseline signal needed to move the control piston. The unit weighs 26 kg, making it manageable for installation in mobile equipment frames. Working fluid enters through a 3/4 in port meeting ISO 6162-2, while excess case oil exits via a 7/8-14 UNF-2B drain connection. A dedicated 7/16-20 UNF-2B pilot port allows external pressure control, completing the set of interfaces required for closed-loop operation.
Technical Specifications
Case Volume
0.8 l
Displacement Per Rev
62 cm3
Drain Port Thread
7/8-14 UNF-2B
Drive Shaft Spline
1 in 15T 16/32DP
Max Inlet Flow (nnom, Vgmax)
205 l/min
Max Speed (vgmax)
3300 rpm
Max Speed (vgmin)
3900 rpm
Maximum Pressure
350 bar
Min Delta-p For Switching
30 bar
Min Pilot Pressure (hz)
30 bar
Moment Of Inertia
0.0056 kgm2
Nominal Pressure
280 bar
Pilot Port X Thread
7/16-20 UNF-2B
Torque At 280 Bar (vgmax)
276 Nm
Weight
26 kg
Working Port Size
3/4 in (ISO 6162-2)
1620 Old Apex Road
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