Hydraulic Motor Rexroth A6V Series A6V28 A6V55 A6V80 A6V107

Hydraulic Motor Rexroth A6V series A6V28 A6V55 A6V80 A6V107 – Variable motor with axial tapered piston rotary group of bent axis design, for hydrostatic drives in open and closed circuit – For use in mobile and stationary application areas – The wide control range enables the variable motor to satisfy the requirement for high speed and high torque. – The displacement can be steplessly changed from Vg max to Vg min = 0. – The output speed is dependent on the flow of the pump and the displacement of the motor. – The output torque increases with the pressure differential between the high and low pressure sides and with increasing displacement. – Wide control range with hydrostatic transmissions – Wide selection of control devices – Cost savings through elimination of gear shifts and possibility of using smaller pumps – Compact, robust bearing system with long service life – High power density – Good starting characteristics – Version with 9-piston rotary group – Good slow-running characteristics – High uniformity

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Hydraulic Motor Rexroth A6V series A6V28 A6V55 A6V80 A6V107

Permissible pressure loading

The service life of the shaft seal is influenced by the rotational speed of the axial piston unit and the leakage pressure in the housing (case pressure). Momentary (t < 0.1 s)

pressure peaks of up to 10 bar are allowed. Case pressures

of a continuous 2 bar maximum are permitted to be able to

utilize the entire speed range. Higher case pressures are

permissible at lower rotational speeds (see diagram).

The service life of the shaft seal decreases with increasing

frequency of pressure peaks and increasing mean differential pressure.

The case pressure must be equal to or higher than the

ambient pressure.

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