Electrostatic monitoring of oil lubricated sliding point contacts for early detection of scuffing

Tasbaz, O.D., Wood, R.J.K., Browne, M., Powrie, H.E.G. and Denuault, G. (1999) Electrostatic monitoring of oil lubricated sliding point contacts for early detection of scuffing. Wear, 230 (1), 86-97. (doi:10.1016/S0043-1648(98)00420-7).

Abstract

Electrostatic sensors have been used to investigate scuffing events in oil lubricated sliding point contacts. A pin-on-disc and a reciprocating laboratory wear rig have been used for this investigation in a fixed ball-on-disc configuration. Electrostatic charging events have been detected up to 1200 s prior to severe scuffing and have been shown to coincide with microstructural changes in the contact and regions of increased wear. The experiments presented demonstrate that the electrostatic detection technology has the potential to be used as the basis of an on-line (real-time) machinery condition monitoring system.

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