| 移动硬盘磁头驱动臂的模态分析与脉冲响应 |
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| 引用本文： | Yang Shuyi,Liu Deshun,Zhao Jiyun,Wen Zejun. 移动硬盘磁头驱动臂的模态分析与脉冲响应[J]. 中国工程科学, 2009, 7(3): 72-77 |
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| 作者姓名： | Yang Shuyi Liu Deshun Zhao Jiyun Wen Zejun |
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| 作者单位： | Yang Shuyi,Liu Deshun,Wen Zejun(College of Electromechanical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, China);Zhao Jiyun(China University of Mining and Technology, Xuzhou, Jiangsu 221008, China) |
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| 基金项目： | Natural Science Foundation of China (Grant No. 50575072);;Scientific Research Fund of Hunan Provincial Education Department (Grant No.07C280) |
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| 摘 要： | Head actuator arm assembly （HAA） is the most important mechanical component of a mobile hard disk drive （HDD） and its shock dynamic response is a principal index of vibration resistance. In this paper,a finite element （FE） model is firstly developed in ANSYS of 2.5 inch （1 inch=25.4 mm） mobile hard disk. This model includes actuator arm,voice coil motor （VCM） and pivot bearing. The various step modal of HAA is calculated by FE model. Then the actuator arm vibration behavior is simulated with LS-DYNA procedure. The influence of pulse waveform,pulse amplitude and pulse width on the shock response of the relative displacement of the head actuator arm assembly is studied.
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| 关 键 词： | 硬盘驱动器 移动硬盘 模态分析 脉冲波形 总成 硬盘磁头 有限元模型 反应 |
Modal analysis and pulse response of mobile hard disk head actuator arm assembly |
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| Yang Shuyi,Liu Deshun,Zhao Jiyun,Wen Zejun. Modal analysis and pulse response of mobile hard disk head actuator arm assembly[J]. Engineering Sciences, 2009, 7(3): 72-77 |
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| Authors: | Yang Shuyi Liu Deshun Zhao Jiyun Wen Zejun |
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| Affiliation: | 1.College of Electromechanical Engineering;Hunan University of Science and Technology;Xiangtan;Hunan 411201;China;2.China University of Mining and Technology;Xuzhou;Jiangsu 221008;China |
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| Abstract: | Head actuator arm assembly (HAA) is the most important mechanical component of a mobile hard disk drive (HDD) and its shock dynamic response is a principal index of vibration resistance. In this paper,a finite element (FE) model is firstly developed in ANSYS of 2.5 inch (1 inch=25.4 mm) mobile hard disk. This model includes actuator arm,voice coil motor (VCM) and pivot bearing. The various step modal of HAA is calculated by FE model. Then the actuator arm vibration behavior is simulated with LS-DYNA procedu... |
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| Keywords: | head actuator arm assembly modal analysis shock dynamic response |
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