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<p>A method that combines experiment and simulation is proposed to construct a high-precision spiral bevel gear dynamics model. First, the modal parameters of the gear were derived from modal tests. Second, the reliability of the experimental modal vibration patterns was verified by modal reliability criterion analysis. Third, a high-precision finite element model was constructed using the measured tooth surface coordinates of the spiral bevel gear. Fourth, the material parameters of the finite element model were modified using the satisfaction function method with the experimental modal frequencies as the target, and the maximum relative error between the simulated and experimental modal frequencies was reduced from 1.70 % to 0.35 %. The accuracy of the improved model was further verified by comparing the experimental and simulated acceleration response. This paper presents a method of constructing a high-accuracy model of a spiral bevel gear for further dynamic characterization.</p>

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Modification of the structure dynamic model for spiral bevel gear based on modal experiment

  • 期刊论文

  • 发表日期：

    2025年1月28日

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  • Xuemei Cao,
  • Weidong Li,
  • Hongtu He,
  • Wenchao Han

摘要

A method that combines experiment and simulation is proposed to construct a high-precision spiral bevel gear dynamics model. First, the modal parameters of the gear were derived from modal tests. Second, the reliability of the experimental modal vibration patterns was verified by modal reliability criterion analysis. Third, a high-precision finite element model was constructed using the measured tooth surface coordinates of the spiral bevel gear. Fourth, the material parameters of the finite element model were modified using the satisfaction function method with the experimental modal frequencies as the target, and the maximum relative error between the simulated and experimental modal frequencies was reduced from 1.70 % to 0.35 %. The accuracy of the improved model was further verified by comparing the experimental and simulated acceleration response. This paper presents a method of constructing a high-accuracy model of a spiral bevel gear for further dynamic characterization.