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What are the main functions of different accumulators?

Date: 2019-02-25 Author: Asahi hydraulic

The main role of different accumulators:

I. Absorption of hydraulic shock

The sudden change of direction of the directional valve and the sudden stop of the movement of the actuator will generate pressure shocks in the hydraulic system, which will cause the system pressure to rise rapidly in a short time, causing damage to the instruments, components and sealing devices, and generating vibration and noise.

Second, eliminate pulsation and reduce noise

For a hydraulic system that uses a plunger pump and has a small number of plungers, the cycle of the pump flow changes to make the system vibrate. The accumulator can be installed to absorb the energy of pulsating pressure and flow in a large amount within a period of flow pulsation.

不同蓄能器的主要作用有哪些?

Third, store energy

This type of function can be further divided into: ① used as auxiliary power source to reduce installed capacity; ② compensate for leakage; ③ compensated for thermal expansion; ④ used as emergency power source; ⑤ constitute a constant pressure oil source.

Fourth, recover energy

The use of accumulators to recover energy is an area that has been studied more. Energy recovery can improve energy utilization and is an important way to save energy. Because the accumulator can temporarily store energy, it can be used to recover multiple functions and potential energy.


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