Noise of cycloidal gear oil pump

2018-10-17View Original

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The cycloidal gear oil pump produced by Shanghai Gaodong Hydraulic Parts Co., Ltd., model BB-B: N40. During the trial run, the noise level exceeded 100 dB ； After being disconnected from the host, the noise level exceeds 90 dB ； Motor reverses, noise level 84dB ； The inlet valve is closed, with no noise (55dB). How should this situation be considered?

Reply #22018-10-17

Can a silencer hood be installed? If it is a new device, it is recommended to have the manufacturer handle it. Additionally, there are regulations regarding noise measurement; it is not taken near the noise source, but rather at a distance of 1 meter from it.

Reply #32018-10-18

It is an internal leakage issue with the pump itself, which has been basically confirmed.

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Noise of cycloidal gear oil pump

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