ANALYTICAL ELASTOHYDRODYNAMIC LUBRICANT FILM THICKNESS FOR BALL BEARINGS 6007, 6207, 6307 & 6407 USING HERTZ CONTACT THEORY
Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.5, No. 10)Publication Date: 2016-10-30
Authors : Ritesh Kumar Dewangan; Surendra Pal Singh Matharu;
Page : 300-303
Keywords : Elastohydrodynamic lubrication (EHL); Elastohydrodynamic (EHD); lubricant film thickness; online condition monitoring; rolling elements bearing.;
Abstract
Elastohydrodynamic lubrication is the phenomenon that occurs when a lubricant is introduced between surfaces that are in rolling contact such as rolling bearing. Elastohydrodynamic lubrication (EHL) is an important branch of the lubrication theory, describ ing lubrication mechanisms in non conformal contacts widely found in many mechanical components such as various gears, rolling bearings, cams and followers, metal - rolling tools, traction drives, and continuous variable transmissions. In present work, the e lastohydrodynamic (EHD) lubricant film thicknesses for bearings 6007, 6207, 6307 and 6407 are calculated by the formula based on Hertz’s contact theory. The developed formula along with inexpensive measuring instruments can be used for online condition mon itoring of rolling element bearings.
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