Effect of input line on eigenfrequency of rotary hydraulic motor

Abstract

Hydraulic systems are applied in many branches of industry. Hydraulic elements belong to basic elements of the systems. They have a big influence on the correct working and the failure-free operation of the systems. Dynamic properties are one of important criterions at projection of hydraulic systems. Pressure or flow pulses have a negative influence on dynamic loading of hydraulic elements and system tightness. The aim of the paper is to evaluate an effect of input line on eigenfrequency of a given rotary hydraulic motor in concrete working conditions. The eigenfrequency of the investigated hydraulic elements was simulated using Mathcad software.