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How to solve the problem of excessive noise of hydraulic pump in cold and thermal shock testing machine

 Last Update: 2022-09-15
 Source: Internet
 Author: User

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The suction phenomenon of the cold and thermal shock testing machine is one
of the main reasons for the excessive noise of the hydraulic pump.

When the oil is mixed with air, it is easy to form an air cavitation phenomenon in its high pressure area, and propagate in the form of pressure waves, causing the oil to oscillate, resulting in cavitation noise
in the system.

Then, the causes of the suction phenomenon of the cold and hot shock testing machine: 1.
The oil filter of the hydraulic pump, the oil inlet pipe is blocked or the oil viscosity is too high, and the part will make the vacuum at the pump oil inlet 0 too high, so that the air penetrates
.

2.
Hydraulic pump and pilot pump shaft end oil seal damage, or the inlet pipe seal is not good to let the air in
.

3.
The oil level of the oil tank is too low so that the hydraulic pump inlet pipe is directly sucked out
.

What should you do when the noise of the hydraulic pump is too high in your hot and cold shock testing machine? Solution When there is high noise in the hydraulic pump work, first check the above parts, if it is not professional, immediately arrange technical personnel to deal with
it.

Operators can
deal with problems in a timely manner.

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