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首页> 外文会议>The 2002 Global Powertrain Congress on Advanced Transmission/Drivetrain Systems Vol.21 Sep 24-26, 2002 Ann Arbor, Michigan USA >Influence of Assembly Techniques, Misalignment Errors, and Manufacturing Variation of Noise and Vibration Characteristics of Automatic Transmission
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Influence of Assembly Techniques, Misalignment Errors, and Manufacturing Variation of Noise and Vibration Characteristics of Automatic Transmission

机译：自动变速器的装配技术，对中误差和制造噪声和振动特性的变化的影响

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摘要

Low transmission noise and vibration are not only essential to a comfortable driving experience, but are also perceived to be quality/durability indicators. Current state technology is not mature enough to determine the influence of manufacturing variation on noise and vibration. Hence, empirical methods must be employed to determine the relationship between manufacturing variation and the noise and vibration performance. Noise and vibration originating from a Ravigneaux type planetary gear set is studied in this paper. Specifically, variation in gear tooth lead, misalignment due to carrier pinion shaft hole location and parallelism, pinion shaft retention, bearing clearance, carrier stiffness, and the design of center shaft are considered. The sound pressure level due to the Ravigneaux planetary gearset is measured in an acoustic hemi-cell along with drive shaft torsional acceleration and the extension housing acceleration in X, Y, and Z directions. Recommendations based on the trends identified from the analysis of this data are also presented.
机译：低的传输噪声和振动不仅是舒适驾驶体验所必需的，而且还被视为质量/耐用性的指标。当前状态技术还不够成熟，无法确定制造差异对噪声和振动的影响。因此，必须采用经验方法来确定制造变化与噪声和振动性能之间的关系。本文研究了来自拉维尼亚式行星齿轮组的噪声和振动。具体来说，考虑齿轮齿距的变化，由于齿轮架小齿轮轴孔的位置和平行度导致的未对准，小齿轮轴的保持力，轴承游隙，齿轮架刚度以及中心轴的设计。拉维尼奥特行星齿轮组产生的声压级是在声学半单元中与驱动轴扭转加速度和延伸壳体在X，Y和Z方向上的加速度一起测量的。还提供了根据从该数据分析中识别出的趋势提出的建议。

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