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Experimental and numerical study of gear faults in gearbox: evaluation of dynamic stress fluctuations

机译:变速箱齿轮故障的实验和数值研究:动应力波动的评估

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摘要

Several studies were made on the effects of gear faults on vibrations and noise. Fault signatures were defined and procedures for fault detection were propsed. Now, the question is define fault thresholds. As an experimental determination does not appear simple, thresholds can be defined by comparing the dynamic tooth root stress due to a fault to a fatigue limit of the gear material and by relating the type and the depth of the fault to the vibration levels and tooth root increase.
机译:对齿轮故障对振动和噪声的影响进行了一些研究。定义了故障签名并提出了故障检测程序。现在,问题是定义故障阈值。由于实验确定似乎并不简单,因此可以通过将由于故障引起的动态齿根应力与齿轮材料的疲劳极限进行比较,并通过将故障的类型和深度与振动水平和齿根相关联来定义阈值增加。

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