2. FUNCTION 2. FUNCTION Port plate Counter balance valve Motor unit 1) 1) VARIABLE DISPLACEMENT MOTOR VARIABLE DISPLACEMENT MOTOR (with integrated counterbalance valve) The variable displacement motor has a rotary group in bent axis design. The torque is generated directly at the drive shaft. The cylinder barrel is driven by a tapered piston arrangement. The change of displacement is generated by the control lens via positioning piston. The control lens slides on a circular shaped surface.
In case of constant pump flow volume and high pressure - The output speed is increased at smaller swivel angle, the torque is reduced - The torque rises at swivel angle increase, the output speed is decreased The max swivel angle is 25 , the min swivel angle is 0 . The variable displacement motor with integrated counterbalance valve is designed to be operated in open loop. Min and max displacement are limited by a stop screw. Stepless adjustment to various higher values is possible. Reduction to smaller displacement may result in overspeeding the motor.
2) 2) PORT PLATE PORT PLATE With high pressure dependent control HA1, mounted counterbalance valve, integrated secondary pressure relief valves, plugged gauge and boosting ports, service ports to the rear. 2-24