Dynamics analysis of involute gears with asymmetric teeth
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摘要: 通過對非對稱漸開線圓柱齒輪傳動的嚙合特性分析,建立了齒輪動力學模型,并利用數值積分和數值仿真方法對其進行了非線性振動研究.針對齒輪傳動的時變剛度特點,比較了標準齒輪與非對稱齒輪的振動特性.結果表明:在同等工況下,非對稱齒輪比標準齒輪具有更良好的動力學特性.Abstract: A dynamic model of involute gears with asymmetric teeth was proposed based on the analysis of mesh characteristics when the gears transmitting. The numerical integral and numerical simulation method were used to study nonlinear vibration. Considering the time-variant mesh stiffness when the gears transmitting, the vibration characteristics were compared between gears with symmetric teeth and with asymmetric teeth. The results showed that under the same condition the gears with asymmetric teeth had better dynamic characteristics than those with symmetric teeth.
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Key words:
- nonlinear system /
- time-variant meshing stiffness /
- numerical simulation /
- dynamic load
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