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BKX—I型并联机床动力学分析

DOI: 10.13190/jbupt.200805.40.331, PP. 40-43

Keywords: 并联机床,谐响应,Stewart平台,动力学

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Abstract:

应用子结构法建立了一种UPS型6自由度并联机床及其部件的有限元实体模型,并通过模态实验和有限元模态分析对有限元实体模型进行了验证.应用有限元法对机床模型进行了谐响应分析,获得了机床各节点沿机床虚拟x、y、z轴向的位移谐响应曲线.在此基础上,对该并联机床谐响应规律进行了分析,明确了该机床谐响应的特点和响应幅度的数量级,为该类机床的结构优化设计提供了理论依据.

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