Involute tooth profile contains a lot of waviness information. Digging and expanding the application of waviness information to establish its relationship with gear transmission performance has important engineering value. Studying the construction principle of equation of the involute with waviness is to fit the waviness curve based on the measured teeth surfaces data. The involute tooth profiles with different sine waviness are constructed. Based on the meshing principle
the correlation of wavelength
amplitude
phase of waviness and transmission error is analyzed in the time domain and frequency domain
and verified by actual tooth surface data. The finite element model of involute tooth surface with waviness is established
and the correlation between wavelength
amplitude
phase of waviness and contact stress in gear transmission is simulated and analyzed. The gear transmission error test is carried out to verify the correctness of the calculation of transmission error. The results show that the fluctuation amplitude of transmission error is sensitive to the amplitude change of tooth profile waviness; the periodicity of tooth profile waviness is related to the order component of transmission error; with the increase of the number of waviness fluctuation periods
the order amplitude of the corresponding multiple of the number of teeth increases significantly; the magnitude of tooth surface contact stress is mainly affected by the amplitude of profile waviness. Thus the waviness information of gear measurement results between macro and micro quantities is extended and applied
and the research provides a basis for predicting transmission performance based on waviness information.
关键词
渐开线波度传动误差接触分析有限元模型
Keywords
Waviness in involuteTransmission errorContact analysisFinite element model
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