Wenzhou Prance Hydraulic Equipment Co., Ltd.
Una válvula de alivio cruzado de motor hidráulico conecta un puerto de trabajo del motor con el otro cuando la presión diferencial supera su ajuste. Puede limitar los golpes durante la inversión o la deceleración, pero no proporciona automáticamente un exceso de velocidad controlado.
El cálculo de la eficiencia del motor hidráulico separa la eficiencia volumétrica, la eficiencia mecánica y la eficiencia global. La eficiencia volumétrica compara la velocidad real con la velocidad prevista a partir del caudal de entrada y la cilindrada; la eficiencia mecánica
Las pruebas de reducción de caudal de la bomba hidráulica verifican si una bomba de desplazamiento variable reduce su rendimiento cuando se alcanza su condición de control. La prueba debe observar la presión, el caudal, el drenaje de la carcasa, la temperatura, el estado del comando y la demanda del circuito en conjunto; pre
The load sensing vs pressure compensated pump choice changes how a variable pump decides its displacement. A pressure-compensated pump responds to outlet pressure alone, while a load-sensing control compares pump pressure with a remote load
Hydraulic pump pressure pulsation is the repeating pressure variation created as pumping chambers connect to the outlet and the circuit responds. Its amplitude depends on pump geometry, operating point, trapped-volume timing, fluid compress
Hydraulic pump torque calculation converts displacement and pressure into the shaft torque a prime mover must supply. The theoretical relationship is torque = pressure × displacement ÷ 2π; practical sizing must then account for mechanical e
The proportional valve vs servo valve decision is a system-level choice. Both meter hydraulic flow in response to an electrical command, but servo valves usually target higher dynamic response and tighter control with stricter fluid-cleanliness and c
A load sensing hydraulic valve sends a signal representing the highest active load back to a compatible variable pump. The pump then supplies enough pressure to overcome that load plus a control margin. When properly sized and compensated, this arran
A hydraulic valve power-beyond port carries pressurized carryover flow to a downstream valve, while the tank port returns exhaust and leakage flow at low pressure. They are not interchangeable. A power-beyond sleeve separates the high-pressure carryo
A hydraulic motor braking circuit controls a load that can drive the motor faster than pump flow would command. A correctly applied brake or counterbalance valve maintains controlled outlet resistance, admits pilot pressure for motion and works with
Hydraulic motor back pressure is the pressure at the motor outlet that opposes return flow. Some back pressure is normal in closed circuits, braking arrangements and long return lines, but it reduces the pressure difference available to make torque.
Hydraulic motors in series share the same flow path, while motors in parallel receive flow through separate branches. Series plumbing can synchronize displacement volumes under similar loads but adds pressure demands and exposes the downstream motor