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Study on Dynamic Coupling Behavior of End-Meshing Harmonic Reducers

Author

Listed:
  • Tongliang Liu

    (Rongcheng College, Harbin University of Science and Technology, Rongcheng 264300, China)

  • Jianmin Wen

    (School of Ocean Engineering, Harbin Institute of Technology, Weihai 264209, China)

  • Yingda Chen

    (School of Ocean Engineering, Harbin Institute of Technology, Weihai 264209, China)

Abstract

To study the coupling mechanism and dynamic responses of an end-face-movable gear transmission system under complex excitation, a specific configuration of end-meshing, movable-gear reduction mechanism was used to achieve predetermined rigid-thrust-transmission and mismatched-gear-meshing functions, which solved the inherent defects of traditional harmonic gear mechanisms of thin-wall-flexible wheels that are easily damaged by fatigue. Considering the phenomenon of elastic deformation of live teeth that is accompanied by significant changes in meshing characteristics in the transmission process of an end-meshing harmonic reducer, the influences of dynamic meshing parameters, live tooth deformation, time-varying stiffness of tooth meshing, and time-varying backlash on nonlinear dynamic performance were explored, as well as the mechanisms of multi-parameter coupling effects on transmission performance. The nonlinear dynamics model of the end-meshing harmonic reducer was established to solve the chattering prediction problem. Finally, a comprehensive test bed for the transmission system of a harmonic reducer with a meshing type with an adjustable-characteristic end was built to verify the correctness of the theoretical model and provide the theoretical and technical basis for exploring the optimal parameter selection to address the passive vibration-suppression problem.

Suggested Citation

  • Tongliang Liu & Jianmin Wen & Yingda Chen, 2024. "Study on Dynamic Coupling Behavior of End-Meshing Harmonic Reducers," Mathematics, MDPI, vol. 12(5), pages 1-24, February.
    • Handle: RePEc:gam:jmathe:v:12:y:2024:i:5:p:650-:d:1344327
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