Bosch Rexroth | AA2FM18061W-VSD510
AA2FM180/61W-VSD510
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The AA2FM180/61W-VSD510 motor is produced by Bosch Rexroth for the A2FM Fixed Motors series. It is intended to convert hydraulic energy into rotary motion in closed or open circuit drives. The displacement of 180 cm³ per revolution determines the volume of fluid it uses to generate output torque. A nominal speed of 3600 rpm allows the machine designer to pair it with high-speed pumps without oversizing the system. Nominal pressure of 400 bar supports continuous operation in medium-to-high pressure circuits. Torque at nominal pressure reaches 1146 Nm so the shaft can turn heavy loads directly. Maximum pressure of 450 bar provides overload capacity for short duty events. The direction of rotation is bidirectional which lets the unit drive or brake in either rotational sense without changing plumbing. A DSA-mounted speed sensor is present to transmit shaft speed data for closed-loop control, and the sensor reads a tone wheel that carries 67 teeth to give adequate resolution for motion feedback.
Case volume 1.1 l defines the amount of hydraulic fluid contained in the housing to assist lubrication and cooling. When the shaft turns at nominal speed, inlet flow reaches 648 l/min so the circuit must be sized to deliver that volume without cavitation. Moment of inertia of 0.022 kg·m² allows rapid changes in speed while limiting drive losses during deceleration. This low inertia works with a maximum angular acceleration of 3500 rad/s² to support dynamic duty cycles in mobile machines. Rotary stiffness of 18.2 kNm/rad helps maintain positioning accuracy under fluctuating load. A permissible radial force of 18.3 kN at 25 mm shaft overhang permits belt or gear drives without excess bearing load. An FKM seal is fitted to resist high-temperature hydraulic oils and maintain external leakage control.
Technical Specifications
Case Volume
1.1 l
Direction Of Rotation
Bidirectional
Displacement
180 cm³/rev
Inlet Flow At Nominal Speed
648 l/min
Maximum Angular Acceleration
3500 rad/s²
Maximum Pressure
450 bar
Maximum Radial Force (a=25 Mm)
18.3 kN
Moment Of Inertia
0.022 kg·m²
Nominal Pressure
400 bar
Nominal Speed
3600 rpm
Rotary Stiffness
18.2 kNm/rad
Seal Material
FKM
Speed Sensor
DSA Mounted
Tone Wheel Teeth (dsa)
67
Torque At Nominal Pressure
1146 Nm
1620 Old Apex Road
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