Brethee, Khaldoon F., Zhang, Ruiliang, Hamad, Naima, Gu, Fengshou and Ball, Andrew (2016) Influence of Lubricant Starvation on Gearbox Vibration Signatures for Condition Monitoring. In: COMADEM 2016, the 29th International Congress on Condition Monitoring and Diagnostic Engineering Management, 20th-22nd August 2016, Empark Grand Hotel in Xi’an, China.

Different gear failure modes are strongly correlated with lubricant sta-tus, for example low oil level or starved lubrication leads to significant gear dam-ages. In order to develop an early detection and accurate diagnosis of gearbox lubricant serving conditions based on online vibration measurements, this study will investigate the effect of lubricant starvation on the gearbox vibration re-sponses. A two-stage helical industrial gearbox was tested under different lubri-cant shortage conditions. The results show that the gearbox vibration signature changes significantly with lubricant starvation, which includes more consistent increase in the amplitudes of vibration responses at meshing frequency harmon-ics and their associated sideband components. These changes correspond that vi-bration signal can be considered to normalise condition indicator of gearbox lub-ricant starvations.

COMADEM071_Influence of Lubricant Starvation on Gearbox Vibration Signatures -final.pdf - Accepted Version

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