| 某款摩托车发动机的噪声分析和改进 |
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| 引用本文： | 郭东劭,蔡良正,胡军峰,邓定红,张立成.某款摩托车发动机的噪声分析和改进[J].摩托车技术,2012(6):43-46. |
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| 作者姓名： | 郭东劭 蔡良正 胡军峰 邓定红 张立成 |
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| 作者单位： | 浙江钱江摩托股份有限公司 |
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| 摘 要： | 某型号发动机在加速过程中噪声大并伴随明显异响，经过测试分析。异响主要是由于发动机箱体在转速5000r／min左右时产生强烈共振引起。通过添加合箱螺钉的办法提高箱体模态，并调整平衡轴平衡率来降低离心力激励，从而降低了发动机的振劝和噪声，消除了异响。
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| 关 键 词： | 共振 平衡率 异响 模态 |
Analysis on the Noise of Motorcycle Engine and Solution |
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| Guo Dongshao Cai Liangzheng Hu Junfeng Deng Dinghong Zhang Licheng.Analysis on the Noise of Motorcycle Engine and Solution[J].Motorcycle Technology,2012(6):43-46. |
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| Authors: | Guo Dongshao Cai Liangzheng Hu Junfeng Deng Dinghong Zhang Licheng |
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| Institution: | Guo Dongshao Cai Liangzheng Hu Junfeng Deng Dinghong Zhang Licheng (Zhejiang Qianjiang Motorcycle Co.,Ltd.) |
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| Abstract: | This paper introduces the analysis on the vibrations and abnormal sounds generated by the resonance of motorcycle engine during the acceleration at 5 000 r/min.The solution is to decrease the centrifugal force via adjusting the balance level of balance shaft and improve the modal of cylinder block by increasing the screws. |
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| Keywords: | Resonance Balance level Abnormal sounds Modal |
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