Pitting detection in worm gearboxes with vibration analysis

Faris Elasha, C. Ruiz-Cárcel, D. Mba, G. Kiat, I. Nze, G. Yebra

Research output: Contribution to journalArticle

24 Citations (Scopus)
207 Downloads (Pure)

Abstract

Diagnostics of worm gear defects with vibration analysis is challenging and this is reflected in the limited number of publications. However, these gears are commonly used in many applications such as escalators, mills, and conveyors, and significant cost may arise from their down time due to unidentified defects. This paper aims to apply various vibration analysis techniques to diagnose the presence of naturally developed faults within worm gearboxes. The condition of three different worm gearboxes were assessed using various vibration signal analysis techniques including a few statistical measures, Spectral Kurtosis and enveloping. This was undertaken in an attempt to identify the presence of defects within the worm gearboxes. It is shown that irrespective of the predominantly sliding motion of the gears, diagnosis of faults is feasible as long as the appropriate analysis technique is employed. In addition the results show sensitivity to the direction of vibration measurement. Publisher statement: NOTICE: this is the author’s version of a work that was accepted for publication in Engineering Failure Analysis. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Engineering Failure Analysis [Vol 42 (2014)] DOI: 10.1016/j.engfailanal.2014.04.028. © 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license http://creativecommons.org/licenses/by-nc-nd/4.0/ .
Original languageEnglish
Pages (from-to)366-376
JournalEngineering Failure Analysis
Volume42
DOIs
Publication statusPublished - 2014

Fingerprint

Vibration analysis
Pitting
Defects
Failure analysis
Gears
Escalators
Worm gears
Vibration measurement
Conveyors
Signal analysis
Quality control
Costs

Bibliographical note

NOTICE: this is the author’s version of a work that was accepted for publication in Engineering Failure Analysis. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Engineering Failure Analysis [Vol 42 (2014)] DOI: 10.1016/j.engfailanal.2014.04.028.
© 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license http://creativecommons.org/licenses/by-nc-nd/4.0/ .

Keywords

  • Worm gearboxes diagnostics
  • Vibration
  • Spectral Kurtosis

Cite this

Pitting detection in worm gearboxes with vibration analysis. / Elasha, Faris; Ruiz-Cárcel, C.; Mba, D.; Kiat, G.; Nze, I.; Yebra, G.

In: Engineering Failure Analysis, Vol. 42, 2014, p. 366-376.

Research output: Contribution to journalArticle

Elasha, Faris ; Ruiz-Cárcel, C. ; Mba, D. ; Kiat, G. ; Nze, I. ; Yebra, G. / Pitting detection in worm gearboxes with vibration analysis. In: Engineering Failure Analysis. 2014 ; Vol. 42. pp. 366-376.
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