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Rongsheng Hydraulic is a large-scale production of gantry metal shears in China, Metal shears, scrap car balers and decomposition, crushing of large enterprises.

How to choose the accumulator of hydraulic system


Release Date:

2021-11-09

Hydraulic station is a hydraulic source device composed of hydraulic pump, drive motor, oil tank, directional valve, throttle valve, relief valve, etc. or hydraulic device including control valve. According to the flow direction, pressure and flow oil supply required by the driving device, it is suitable for all kinds of machinery in which the driving device is separated from the hydraulic station. The hydraulic station is connected with the driving device (cylinder or motor) by oil pipe, and the hydraulic system can realize various specified actions.

Hydraulic station is a hydraulic source device composed of hydraulic pump, drive motor, oil tank, directional valve, throttle valve, relief valve, etc. or hydraulic device including control valve. According to the flow direction, pressure and flow oil supply required by the driving device, it is suitable for all kinds of machinery in which the driving device is separated from the hydraulic station. The hydraulic station is connected with the driving device (cylinder or motor) by oil pipe, and the hydraulic system can realize various specified actions.

So how should the accumulator of the hydraulic system be selected? Today, the editor will introduce you to the relevant information on this issue, hoping to help you, and you can avoid detours when using the purchase in the future.

1. When the accumulator is used to supplement the insufficient oil supply of the hydraulic pump, its effective volume is: V = ΣAiLiK-qBt(m3)

In the formula: A is the effective area of the hydraulic cylinder (m2);L is the stroke of the hydraulic cylinder (m);K is the loss coefficient of the hydraulic cylinder, and K = 1.2 is taken for estimation; QB is the oil supply flow rate of the hydraulic pump (m3/s); T is the action time (s).

2. When the accumulator is used as emergency energy, its effective volume is: V = ΣAiLiK(m3)

When the accumulator is used to absorb pulsation and alleviate hydraulic shock, its effective volume should be considered comprehensively as a link in the system together with its associated parts.

The form of the accumulator can be selected according to the obtained effective volume and considering other requirements.

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