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Error Analyzing and Modeling of Six-bar Linkage Mechanism in the Parallel Machine Tool
Authors
余晓流
王启义
王洪光
赵明扬
Publication date
1 January 2001
Publisher
Abstract
针对五轴数控机床平面约束机构进行了误差分析 ,指出了并联机床平面约束机构误差主要影响因素为机构的制造误差和安装误差·前者与由其引起的约束机构顶边中点沿x方向的位移成非线性关系 ,而后者则成线性关系·提出了一种依据测量数据反演非线性误差模型的建模方法 ,给出了五轴并联机床约束机构实测信息与模型输出间的多项式误差模型·比较仿真结果与测量结果可知 ,基于上述方法建立的误差模型精确 ,进而利用该模型对机床进行实时精度补偿 ,可使机床x方向定位精度大为提
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 09/01/2019