| 某重载汽车变速箱的振动模态分析 |
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| 引用本文： | 郭明,张教超,黄森. 某重载汽车变速箱的振动模态分析[J]. 汽车零部件, 2014, 8(7): 40-42 |
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| 作者姓名： | 郭明 张教超 黄森 |
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| 作者单位： | 陕西法士特汽车传动工程研究院; |
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| 摘 要： | 变速箱是汽车的主要振动和噪声源之一,建立变速箱模态试验的理论模型和试验模型后,采用移动锤击法采集了各点的冲击数据和响应数据,进而得到了变速箱壳体的在关心频段内的固有频率,对其振动特性有了进一步的了解,为整个变速箱的减振降噪奠定了一定的基础。
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| 关 键 词： | 模态 模态频率 测试 有限元 |
Vibration Modal Analysis for a Transmission of a Heavy Duty Car |
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| GUO Ming,ZHANG Jiaochao,HUANG Sen. Vibration Modal Analysis for a Transmission of a Heavy Duty Car[J]. Automobile Parts, 2014, 8(7): 40-42 |
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| Authors: | GUO Ming ZHANG Jiaochao HUANG Sen |
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| Affiliation: | (Fast Auto Transmission Engineering Research Institute, Xi＇an Shaanxi 710119, China) |
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| Abstract: | Transmission is a major source of vibration and noise. The theoretical model and experimental model were established for modal test of the transmission. The mobile hammering impact method was used to collect input data and response data of all points. Then the nat- ural frequencies in the cared frequency band of the transmission＇ s shell were gotten. So its vibration characteristics were better understood. It lays a certain foundation for vibration and noise reduction of the entire transmission. |
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| Keywords: | Mode Modal frequency Measurement Finite method |
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