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Dynamic research of multi-body mechanical systems of angle measurement

Kilikevičius, Artūras ; Kasparaitis, Albinas

International Journal of Precision Engineering and Manufacturing, 2017, Vol.18(8), pp.1065-1073 [Peer Reviewed Journal]

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  • Title:
    Dynamic research of multi-body mechanical systems of angle measurement
  • Author: Kilikevičius, Artūras ; Kasparaitis, Albinas
  • Subjects: Angle comparator ; Built-in metrology ; Elastic deformations ; Dynamic characteristics/errors ; Comparator carriage ; Operational modal analysis
  • Is Part Of: International Journal of Precision Engineering and Manufacturing, 2017, Vol.18(8), pp.1065-1073
  • Description: Analysis of the influence of vibrations on the calibration uncertainty of an angle limb is crucial for achieving high calibration accuracy. In modern equipment, the calibration is implemented in dynamic mode when the position of the raster elements is detected in the motion of the comparator’s movable components. The research object of this work is a newly designed angle measurement comparator that operates in dynamic mode. The main aim of this research is to determine the dynamic effects influence to the accuracy of the angle comparator. During the modelling of calibration errors related to dynamic influences, it is necessary to evaluate elastic deformations related to the vibrations excited by internal and external sources. Dangerous resonance frequencies and the character of the elastic deformations of the precise angle comparator carriage, which increase the angle calibration error, were evaluated. The novelty of the research should show that the elastic deformation of main component, caused by dynamic effects, has a significant influence to an accuracy of the precision systems, which are working in dynamic mode. The evaluation of the dynamic effects is necessary during the design and exploitation of precision measurement systems.
  • Language: English
  • Identifier: ISSN: 2234-7593 ; E-ISSN: 2005-4602 ; DOI: 10.1007/s12541-017-0125-1

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