| 悬臂式结晶器坐标测量机的数学模型 |
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| 引用本文： | 王晨晨,程文涛,尚平.悬臂式结晶器坐标测量机的数学模型[J].黑龙江科技学院学报,2009,19(4):331-334. |
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| 作者姓名： | 王晨晨 程文涛 尚平 |
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| 作者单位： | 合肥工业大学,仪器科学与光电工程学院,合肥,230009 |
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| 基金项目： | 马鞍山钢铁股份有限公司第三炼钢厂课题 |
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| 摘 要： | 为提高悬臂式三坐标测量机的测量精度,对其各项误差源进行了分析,使用齐次坐标变换理论建立了测量机的准刚体测量模型,并在其基础上建立了几何误差模型对影响测量机精度较大的21项几何误差进行补偿。以在不提高制造成本的情况下,提高测量机的整体精度。该数学模型为悬臂式三坐标测量机的误差补偿技术提供了理论依据。
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| 关 键 词： | 悬臂式三坐标测量机 几何误差 准刚体模型 误差补偿 |
Mathematical model of cantilever type crystal CMM |
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| WANG Chenchen,CHENG Wentao,SHANG Ping.Mathematical model of cantilever type crystal CMM[J].Journal of Heilongjiang Institute of Science and Technology,2009,19(4):331-334. |
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| Authors: | WANG Chenchen CHENG Wentao SHANG Ping |
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| Institution: | (School of Instrument Science and Opto-electronic Engineering, Hefei University of Technology, Hefei 230009, China) |
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| Abstract: | In order to enhance the measurement precision of the cantilever type CMM,this paper introduces the quasi-rigid body mathematical model developed by analyzing every errors sources and depending on the theory of homogeneous coordinate and offers geometric errors model specially designed to compensate for the 21 geometric errors with a greater impact on measuring accuracy.The improvement in the overall precision of the CMM goes without increasing manufacturing costs.This mathematical model provides a theoretical basis for the error compensation technique of cantilever type CMM. |
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| Keywords: | cantilever type CMM geometric errors quasi-rigid body model error compensation |
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