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5 About this product
5�1 Performance description
A Axial piston variable motor converts hydrostatic flow into mechanical rotation and
controls or regulates this. It is designed for mobile applications.
Refer to data sheet 91650 and the order confirmation for the technical data,
operating conditions and application limits of the axial piston unit.
5�2 Product description
The A36VM is a variable motor with bent-axis design for hydrostatic drives in
closed circuits.
For axial piston units with bent-axis design, the pistons (2) are arranged at an
angle to the drive shaft (1). The pistons rest directly on the drive shaft where they
generate torque depending on the pressure and swivel angle.
The specific torque and displacement can be continuously changed by controlling
the bent axis.
In the closed circuit, the hydraulic fluid flows from the hydraulic pump to the
Closed circuit
hydraulic motor, then directly back to the hydraulic pump. The output direction of
rotation of the hydraulic motor is changed, e.g., by reversing the flow direction in the
hydraulic pump.
5�2�1 Axial piston unit layout
Fig� 2: Layout of the A36M series 10 (size 125 and 255) with double tripod joint
1 Drive shaft
2 Piston
3 Stroking piston
4 Port plate
1
9
8
7
5 Flushing and boost-
pressure valve
6 Control spool
7 Lens plate
About this product | A36VM
2
5
6
8 Cylinder
9 Double tripod joint
RE 91650-01-B/2021-07-19, Bosch Rexroth AG
19/54
3
4
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