The Influence of The Hydraulic Pumps Design Characteristics and Temperature of Mineral Oil on The Stability of Actuator
Engineering and Technology Journal,
2014, Volume 32, Issue 10, Pages 324-337
AbstractMuch research dealt with the problem in the pulsation of hydraulic pumps, studies, research and literature for vibration did not interfere with the effect of the medium which make vibrations and effect of temperature on the medium (the indirect effect on mechanical vibration). In this research a practical correlation between pulsation of pumps and temperature, pressure and vibration will be developed. To achieve this goal the hydraulic system was designed and implemented to deduce the effect of the internal design of the three main hydraulic pumps, gear pump, vane pump and piston pump, in conjunction with the high temperature of the mineral oil on the vibration generated by the piston arm and the stability of the actuator. Vibration Meter device used to indicate the vibration at the tip of the arm plunger for hydraulic piston and uploaded with a variable load (spring), as well as a computer-aided reading was recorded. It was shown that the interior design of the pumps had an effective influence on the values of acceleration and speed of vibration, even if convergence frequency pulse outside of the slot pressure pumps. This effect cannot be separated from the oil temperature which affect the increasing values of acceleration and speed of vibration recorded on the tip of the plunger arm (performance of the piston) also the pressure has an effect on the values of acceleration and speed of vibration . The temperature of the mineral oil had a strong influence on the performance of hydraulic systems, at the resonance condition.
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