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Dynamic Transmission Accuracy Analysis of an RV Reducer Rigid-Flexible Coupled Effect

[+] Author Affiliations
Dai-jia Cao, Cai-chao Zhu, Pei-lin Guo, Xue-song Du, Huai-ju Liu

Chongqing University, Chongqing, China

Paper No. DETC2017-67063, pp. V010T11A013; 9 pages
doi:10.1115/DETC2017-67063
From:
  • ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 10: 2017 ASME International Power Transmission and Gearing Conference
  • Cleveland, Ohio, USA, August 6–9, 2017
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5824-0
  • Copyright © 2017 by ASME

abstract

RV reducers are widely used in high-precision gear transmissions. Assembly errors and elastic deformation of the components have great influence on the transmission accuracy, which is an important indication on the evaluation of performance. A RV reducer dynamic transmission accuracy analysis model is established which is based on the rigid-flexible coupled multibody dynamics. For the modelling, the input gear shaft, the planetary gear, the crankshaft, the cycloid gear and the pin gear are considered as flexible bodies, while other components are identified as rigid bodies. Based upon the model, the influence of geometric errors of key load-carrying components such as the cycloid gear, the pin gear and the crankshaft on the dynamic transmission accuracy are studied. Through the sensitivity analysis, a control method on the dynamic transmission accuracy of the RV reducer is proposed, which provides a theoretical support for further optimization of the transmission performance for RV reducer.

Copyright © 2017 by ASME

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