First, from the power source - to consider aspects of the pump, taking into account the diversity of the actuator working conditions, sometimes the system needs high flow, low pressure; sometimes they need a small flow, high pressure. So I chose to limit pressure variable pump is appropriate, because this type of pump flow varies with changes in system pressure. When the system pressure is reduced, the flow is relatively large, to meet the rapid stroke of the actuator. When the system pressure to increase traffic also reduced accordingly, to meet the working stroke of the actuator. This will not only meet the requirements of the implementation of the work, but also make the power consumption is reasonable. Second, if the actuator has a speed requirements, then when choosing governor loop speed control is necessary to meet the requirements, but also to minimize power loss. Common speed loop are: throttle speed loop speed control loop volume, volume control Circuits. Where the power loss control Circuits large, low-speed stability. The volume of the Speed ??Control Circuit neither overflow losses, and no throttling losses, high efficiency, low-speed stability but poor. If you want to satisfy both requirements, differential pressure can be composed of a variable volume pump and throttle control Circuits, and the pressure difference across the throttle as small as possible to reduce the pressure loss. Third, there is the inevitable hydraulic oil flows through the various types of hydraulic valve pressure loss and flow losses, the energy loss in this part of the account for a large proportion of the total energy loss. Therefore, a reasonable choice of a hydraulic device, the pressure adjusting valve is also an important aspect of power loss reduction. Flow valve flow adjustment range by selecting the system and ensure steady flow to meet the minimum requirements, the pressure valve in case of hydraulic equipment to meet the work, and try to get a lower pressure. Fourth, a reasonable choice of hydraulic oil. Fluid flow in the pipeline, the viscosity will appear, when the viscosity is too high and will have a greater internal friction, resulting in heating oil, while increasing the resistance to flow of the oil. When the viscosity is too low, could easily lead to leaks, will reduce the volumetric efficiency of the system, therefore, generally select the appropriate viscosity and good viscosity-temperature characteristics of the oil. Further, when the oil flow in the pipeline when there is still pressure losses along the way and the local pressure loss, so the design of the pipe line as short as possible, while reducing elbow. The above is just to reduce the power loss from the hydraulic system considerations when designing a specific hydraulic system, need comprehensive consideration of all other requirements. Gongyi City Xinhua Machinery Factory welcome you to inquire. 

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