Abstract
There is a coupling mechanism between the gear meshing state and the elastohydrodynamic lubrication characteristics, which increases the complexity of dynamic modeling for eccentric spur gear transmission systems. Currently, there is no method available for studying the above coupling mechanism of eccentric gear pairs. To address this issue, this study investigates the coupling mechanism between gear meshing status and elastohydrodynamic lubrication characteristics. Meanwhile, because of the above coupling mechanism, an iterative algorithm is introduced to calculate the dynamic response of the eccentric spur gears considering the coupling mechanism between gear meshing status and elastohydrodynamic lubrication characteristics, and the effect of eccentricity error on the meshing position is also considered. The simulation results show the significant influences of the above coupling effects on the gear mesh and lubrication. This study provides an original dynamic model for analyzing the dynamic performance of the eccentric gear system considering the coupling effect between elastohydrodynamic lubrication and gear mesh stiffness, and can provide theoretical references for the research on the coupling mechanism between gear lubrication and meshing.
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