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Influence of indexing errors on dynamic response of spur gear pairs

机译:分度误差对正齿轮副动态响应的影响

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摘要

In this study, a dynamic model of a spur gear pair is employed to investigate the influence of gear tooth indexing errors on the dynamic response. This transverse-torsional dynamic model includes periodically-time varying gear mesh stiffness and nonlinearities caused by tooth separations in resonance regions. With quasi-static transmission error time traces as the primary excitation, the model predicts frequency-domain dynamic mesh force and dynamic transmission error spectra. These long-period quasi-static transmission error time traces are measured using unity-ratio spur gear pairs having certain intentional indexing errors. A special test setup with dedicated instrumentation for the measurement of quasi-static transmission error is employed to perform a number of experiments with gears having deterministic spacing errors at one or two teeth of the test gear only and random spacing errors where all of the test gear teeth have a random distribution of errors as in a typical production gear.
机译:在这项研究中,正齿轮副的动力学模型被用来研究齿轮分度误差对动力响应的影响。该横向扭转动力学模型包括周期性变化的齿轮啮合刚度和由共振区域中的齿分离引起的非线性。该模型以准静态传输误差时间轨迹为主要激励,可预测频域动态网格力和动态传输误差谱。这些长周期的准静态传动误差时间轨迹是使用具有一定故意分度误差的单齿比正齿轮对测量的。使用带有专用仪器的特殊测试装置来测量准静态传动误差,以对仅在测试齿轮的一个或两个齿上具有确定性间距误差并且所有测试齿轮均具有随机间距误差的齿轮进行大量实验像典型的生产设备一样,齿的误差随机分布。

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