Fatigue faults on the surface of rolling bearing elements are some of the most frequent causes of malfunctions and breakages of rotating machines. In normal operating conditions this kind of damage can be revealed by classical vibration analyses, such as Spectral or Envelope ones. Furthermore, this last technique - by working in time domain - makes it possible to monitor the longitudinal dimension of the defect. In this paper the limits of the mentioned methodologies are presented by showing their application to bearings affected by different pitting failures on the outer or inner race or a rolling element and subjected to a very low radial load. Results are compared with that obtained by an advanced signal processing method based on the evaluation of the Wavelet Transform. Effects of fault evolution are investigated.
Application of the Envelope and Wavelet Transform Analyses for the Diagnosis of Incipient Faults in Ball Bearings / Rubini, Riccardo; Meneghetti, U.. - In: MECHANICAL SYSTEMS AND SIGNAL PROCESSING. - ISSN 0888-3270. - STAMPA. - 15 (2)(2001), pp. 287-302.
Data di pubblicazione: | 2001 |
Titolo: | Application of the Envelope and Wavelet Transform Analyses for the Diagnosis of Incipient Faults in Ball Bearings |
Autore/i: | Rubini, Riccardo; Meneghetti, U. |
Autore/i UNIMORE: | |
Rivista: | |
Volume: | 15 (2) |
Pagina iniziale: | 287 |
Pagina finale: | 302 |
Codice identificativo ISI: | WOS:000168479800005 |
Codice identificativo Scopus: | 2-s2.0-0035273597 |
Citazione: | Application of the Envelope and Wavelet Transform Analyses for the Diagnosis of Incipient Faults in Ball Bearings / Rubini, Riccardo; Meneghetti, U.. - In: MECHANICAL SYSTEMS AND SIGNAL PROCESSING. - ISSN 0888-3270. - STAMPA. - 15 (2)(2001), pp. 287-302. |
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