Experimental study on the influence rule of noncentral mass factor of straight crack rotating shaft

Jiang Han; Changsheng Chen; Lu Zhang; Biwen Chen; Zhenlai Ma

doi:10.1117/12.2679613

16 June 2023 Experimental study on the influence rule of noncentral mass factor of straight crack rotating shaft

Jiang Han, Changsheng Chen, Lu Zhang, Biwen Chen, Zhenlai Ma

Proceedings Volume 12702, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023); 127021S (2023) https://doi.org/10.1117/12.2679613
Event: International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023), 2023, Changsha, China

Abstract

In order to detect and diagnose the existence of fatigue cracks in the transmission shafting of rotating machinery equipment as early as possible, the influence of mass eccentricity factor on the cracked rotating shaft was investigated, this paper built a cracked rotor comprehensive fault simulation test bench, conducted experimental research on typical transmission shafting samples with straight cracks, and obtained its response signals under different noncentral mass (1g and 2g) and different noncentral phase angles (0°, 90° and 180°). Time domain diagram, frequency domain diagram and axis locus diagram. The results show that the increase of noncentral mass and noncentral phase angle will lead to the increase of 1^st frequency, but has little effect on 2^nd frequency.

Citation Download Citation

Jiang Han, Changsheng Chen, Lu Zhang, Biwen Chen, and Zhenlai Ma "Experimental study on the influence rule of noncentral mass factor of straight crack rotating shaft", Proc. SPIE 12702, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023), 127021S (16 June 2023); https://doi.org/10.1117/12.2679613

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