Monitoring the lubricant condition in a low-speed rolling element bearing using high frequency stress waves

Nordin Jamaludin, D. Mba, R. H. Bannister

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper presents the results of an investigation into the development of a reliable, non-intrusive and effective technique capable of accessing the lubrication condition within a low-speed rotating bearing. This unique monitoring system is known as pulse injection technique (PIT) and involves transmitting a Dirac pulse through a bearing via a stress waves (SW) sensor. Analysis of measured stress wave signatures differentiated between a properly and poorly lubricated bearing. This method was found to be effective as stress wave propagation is sensitive to the transmission path, which in turn is affected significantly by the type and amount of grease present in the vicinity of the working elements of a bearing. The ability of this technique to monitor the lubrication condition within a bearing whilst in operation could be utilised to determine the appropriate time for grease replenishment or addition.

Original languageEnglish
Pages (from-to)73-88
Number of pages16
JournalProceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering
Volume216
Issue number2
DOIs
Publication statusPublished - 2002

Fingerprint

Bearings (structural)
Lubricants
Monitoring
Lubricating greases
Lubrication
Wave propagation
Sensors

Keywords

  • Auto-regressive coefficients
  • Low-speed rotating machinery
  • Pulse injection technique
  • RMS
  • Rotating biological contactor
  • Stress waves

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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