This paper reviews work being carried out at Cardiff on tribological aspects of heavily loaded gear tooth contacts. The contacts occurring in high conformity (Wildhaber-Novikov) gears have been analysed to predict the thickness of the lubricant film, and the work has been extended to include a consideration of surface roughness effects in gears of this type.
For conventional gears a different rough surface elastohydrodynamic (EHL) analysis has been developed and this shows that roughness features can become almost flattened where they occur within the main EHL contact. Recent work on scuffing research is described and new developments in the search for a physical explanation of this form of failure are discussed.
Some Aspects of Gear Tribology
1990-01-01
7 pages
Article (Journal)
Electronic Resource
English
Gear tribology : friction and surface topography
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