18/60 About this product
Bosch Rexroth AG, A6VE Series 65 and 71, RE 91616-01-B/10.2014
5 About this product
5.1 Performance description
A Variable plug-in motor converts hydrostatic flow into mechanical rotation and
controls or regulates this. It is designed for mobile applications such as construction
machinery.
Refer to data sheets 91615 and 91616 and to the order confirmation for the
technical data, operating conditions and operating limits of the axial piston unit.
5.2 Product description
The A6VE is a variable motor with axial piston rotary group of bent-axis design, for
hydrostatic drives in open and closed circuits. For axial piston units with bent-axis
design, the pistons (7) 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 changed by
adjusting the bent axis.
In the open circuit, the hydraulic fluid flows from the reservoir to the hydraulic pump
from where it is transported to the hydraulic motor. From the hydraulic motor, the
hydraulic fluid flows directly back to the reservoir. The output direction of rotation of
the hydraulic motor can be changed, e.g. by a directional valve.
In the closed circuit, the hydraulic fluid flows from the hydraulic pump to the
hydraulic motor and from there 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 Layout of the axial piston unit
1
2
3
4
5
6
7
Fig. 2: Layout of the A6VE
1 Drive shaft
2 Control piston
3 Stroke piston
4 Port plate
5 Lens plate
6 Cylinder
7 Piston
Open circuit
Closed circuit
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