Effects of surface texturing on friction and vibration behaviors of sliding lubricated concentrated point contacts under linear reciprocating motion |
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| Affiliation: | 1. ITMMEC, Indian Institute of Technology Delhi, New Delhi 110 016, India;2. Department of Mechanical Engineering, IIT Delhi, New Delhi 110 016, India;1. Institute of Chemistry and Physics, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Kraków, Poland;2. Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Kraków, Poland;3. Institute of Physics, Jagiellonian University, ul. Reymonta 4, 30-059 Kraków, Poland;1. Naval Surface Warfare Center, Carderock Division, Bethesda, MD 20817, United States;2. MIT-Lincoln Laboratory, Lexington, MA 02420, United States;1. Industrial Tribology, Machine Dynamic and Maintenance Engineering Centre (ITMMEC) I.I.T. Delhi, New Delhi 110016, India;2. Department of Mechanical Engineering, I.I.T. Delhi, New Delhi 110016, India |
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| Abstract: | Friction and vibration behaviors of lubricated concentrated point contacts with surface texturing have been experimentally investigated under reciprocating motions. Ground, lapped and textured lapped flat surfaces are tested against polished ball surfaces. Coefficient of friction, surface temperature, electrical resistance and vibrations at the lubricated contacts have been measured and analyzed. In the presence of surface texture, the coefficient of friction reduces by 30% in some of the cases. Surface temperature distributions on reciprocating tracks have also been measured and compared. Vibrations associated with lubricated point contacts formed between textured surfaces/balls reduce significantly at resonance frequency in comparison to polished surfaces/balls. |
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