Design High Pressure Hydraulic Variable Axial Piston Pump

Design High Pressure Hydraulic Variable Axial Piston Pump

CZPT Description
All management is attained by the correct positioning of the swash plate&time period This is achieved by a servo piston acting on  one conclude of the swash plate working against the combined  effect of the off-environment forces of the pistons and centering  spring on the other conclude&period of time The manage spool acts as a metering valve which differs the pressure driving the servo piston&period 
As shown in Determine one&comma the amount of ow produced by the Parker Piston Pump is dependent on the size of  stroke of the pumping pistons&period This duration of stroke&comma in change&comma is identified by the place of the swash plate&time period Greatest ow is reached at an angle of 17°&interval The rotating piston barrel&comma pushed by the primary mover&comma moves the pistons in a round route and the piston slippers are supported hydrostatically towards the face of the swash plate&interval When the swash plate is in a vertical position&comma perpendicular to the centerline of the piston barrel&comma there is no piston stroke and consequently no fluid displacement&comma when the swash plate is positioned at an angle&comma the pistons are pressured in and out of the barrel and uid displacement normally takes spot&period The better the angle of the swash plate&comma the better the piston stroke&period The centerline of the pumping piston assembly is offset from the centerline of the swash plate&interval Therefore&comma as proven on the accompanying Figure 1A&comma the pistons’ efficient summation drive tends to destroke the swash plate to a vertical &lparneutral&rpar place&period of time This destroking drive is balanced as the swash plate is angled by the force of  the servo piston&period

 

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Design High Pressure Hydraulic Variable Axial Piston Pump