Pressure Peaks in the Hydraulic Actuator

[+] Author and Article Information
D. McCloy

Mechanical Engineering Department, The Queen’s University of Belfast, Belfast, N. Ireland

J. Basic Eng 87(4), 953-959 (Dec 01, 1965) (7 pages) doi:10.1115/1.3650850 History: Received January 15, 1965; Online November 03, 2011


Results are presented of theoretical and experimental studies of the pressure peaks occurring in valve-controlled hydraulic actuators operated under severe loading conditions. Oil compressibility is shown to reduce the magnitude of these peaks. Valve overlap has the opposite effect. The possibilities of fatigue failure and cavitation damage in the actuator are discussed. The two different modes of cavity formation which occur when the valve is oscillated sinusoidally are discussed in detail.

Copyright © 1965 by ASME
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