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首页> 外文期刊>SAE International Journal of Vehicle Dynamics, Stability, and NVH >A Study on Hypoid Gears NVH Robustness
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A Study on Hypoid Gears NVH Robustness

机译：研究准双曲面齿轮噪音鲁棒性

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摘要

Hypoid gears transmission error (TE) is a metric that is usually used to evaluate their NVH performance in component level. The test is usually done at nominal position as well as out of positions where the pinion and gear are moved along their own axis and also along offset direction to evaluate sensitivity of the measured TE to positional errors. Such practice is crucial in practical applications where the gear sets are inevitably exposed to off position conditions due to a) housing machining and building errors, b) deflections of housing, bearings, etc. under load and c) thermal expansions or contractions of housing due to ambient temperature variations. From initial design to development stage, efforts should be made to design the gear sets to be robust enough to all combinations of misalignments emanated from all three mentioned categories. This study is one such effort a) to evaluate main parameters affecting TE response of a hypoid gear set at various misalignment conditions and temperature variations under various loads as well as b) quantifying topography effects on TE response under such load and misalignment conditions. Approximating surface corrections/modifications from nominal through a bi-cubical polynomial, the effects of different topography errors on loaded TE (LTE) is evaluated. Looking at overall LTE response under various micro-geometric modifications one can see how significant micro-geometry of gears are in controlling LTE behavior.
机译：准双曲面齿轮传动误差(TE)是一个指标通常用来评估他们的噪音在组件级别的表现。通常在标称位置以及小齿轮和齿轮的位置移动沿着自己的轴和抵消方向来评估测量的灵敏度TE位置错误。在实际应用齿轮集由于不可避免地暴露了位置条件一)房屋加工和建筑错误,b)负载下的变位的住房、轴承等和c)热扩张或收缩房地产由于环境温度的变化。从最初的设计到开发阶段,努力应设计齿轮集足够健壮的组合所有三个提到射出失调类别。评估主要参数影响TE的反应一套准双曲面齿轮在不同的偏差条件下和温度变化各种负载以及b)量化地形对TE响应在这种载荷的影响和偏差条件。从名义上的表面调整/修改通过一个bi-cubical多项式,的影响不同的地形错误加载TE (LTE)评估。你可以看到各种micro-geometric修改在有多重要的齿轮micro-geometry控制LTE的行为。

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