Liu Shicong,Yang Jianwei,Li Xin,et al.Fatigue Life Prediction Model of Cylindrical Gears Based on the Energy Accumulation Curve[J].Journal of Mechanical Transmission,2023,47(08):97-103.
Liu Shicong,Yang Jianwei,Li Xin,et al.Fatigue Life Prediction Model of Cylindrical Gears Based on the Energy Accumulation Curve[J].Journal of Mechanical Transmission,2023,47(08):97-103. DOI: 10.16578/j.issn.1004.2539.2023.08.013.
Fatigue Life Prediction Model of Cylindrical Gears Based on the Energy Accumulation Curve
It is of great significance to establish a cylindrical gear bending fatigue life prediction model with a wide range of applications and easy calculation. Through the gear bending fatigue test combined with the simulation results of the finite element model
the energy accumulation curve at the root of the tooth under different stress amplitudes is calculated. On the basis of the energy accumulation curve
the fracture cumulative energy curve under different stress amplitudes is obtained
and a cylindrical gear bending fatigue life prediction model is proposed based on the Palmgren-Miner linear cumulative damage theory and the above curve. Combined with the test results of gear bending fatigue tests under different stress amplitudes
the test results are all within the ± 3 life factor scatter bands
which proves that the model can accurately predict the gear bending fatigue life.
关键词
圆柱齿轮能量累计疲劳寿命预测疲劳试验有限元分析
Keywords
Cylindrical gearEnergy accumulationFatigue life predictionFatigue testFinite element analysis
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