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  • 标题:Accuracy of The Element Geometry Mapping Using Non-Invasive Computer Tomography Method
  • 本地全文:下载
  • 作者:Mirosław Grzelka ; Lidia Marciniak ; Bartosz Gapinski
  • 期刊名称:Journal of Automation, Mobile Robotics & Intelligent Systems (JAMRIS)
  • 印刷版ISSN:1897-8649
  • 电子版ISSN:2080-2145
  • 出版年度:2012
  • 卷号:6
  • 期号:3
  • 页码:23
  • 出版社:Industrial Research Inst. for Automation and Measurements, Warsaw
  • 摘要:Non-invasive method of the measurement and identifi- cation of shape and geometrical characteristics of meas- ured detail based on the computer tomograph is widely applied in medicine with high efficiency. The paper is aimed at presenting the metrological analysis of the ac- curacy of shape reproduction. The examined shape was described due to the tomography and compared to the results of coordinate measurement. The comparative ac- curacy analysis of the tomography was performed for the typical details, as well as for the masters made with high accuracy. Using the results of the analysis, the respec- tive models of measured details were created and used as a nominal in the further investigations. The results of the measurement with tomography were compared with the results achieved from the measurement by means of typical coordinate measuring machines and by means of 3D measurement optical scanner. Analysis of the gained values of the form deviations and important geometrical characteristics enabled to perform complex analysis of the shape reproduction of the examined detail with the method of computer tomography. The main purpose of the performed researches was the determination of the reproduction accuracy of surface measured with non-invasive computer tomography meth- od. The investigations and analysis have been performed with the following equipment: computer tomograph, 3D printer and coordinate optical scanner supported with specialized software for advanced CAD data analysis.
  • 关键词:computer tomography; optical coordinate ; measuring technique; reverse engineering; accuracy of ; workpiece mapping
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