Modeling and Measurement of Sliding Friction for Gear Analysis


This student paper discusses background studies needed for the prediction of sliding resistance on gear teeth. Various elastohydrodynamic and mixed lubrication theories for coefficient of traction are examined. These theories are evaluated with respect to experimental results from two-disk tests for several parameters that simulate the continuously varying properties during gear engagement. Based on the comparison of theoretical predictions and test results on a spur gear pair, the lubrication models are evaluated, with special emphasis being placed on the dynamic modeling of friction.
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