Abstract
AbstractA nonlinear lateral-torsional coupling dynamic model of planetary transmission is established in which the nonlinear factors such as mass eccentricity, clearance, time-varying meshing stiffness and transmission errors (including manufacturing eccentricity errors, installation eccentricity errors and tooth profile manufacturing errors) are considered in this study. Besides, in order to verify and evaluate the accuracy of dynamic model, an experiment is conducted to test the x-direction vibration displacement of ring gear under three working conditions and comparison between simulation and experiment is implemented. The results showed that by taking these nonlinear factors into account, the accuracy of simulation model is relatively high, the relative error between simulation and experiment are all below 10%, what is more, the relative error under the working condition of 2000 r/min and 20 N m is only − 3.23%.KeywordsLateral-torsional couplingPlanetary transmissionNonlinear factorsVibration displacement
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