Development of an Optical Measuring Device for Rotation Accuracy of Micro-Spindle —Application to Measurements of a High-Speed Spindle—

  • Kengo Fujimaki
  • Kimiyuki Mitsui
Conference paper


It is very difficult to measure the rotation accuracy of miniaturized spindles running at high-speed with a common measuring method which uses capacitive displacement sensors. Therefore the authors have proposed a new optical measuring method using a small reflection sphere as a measurement target. In this paper, the basic principle of the optical measuring method, the configuration of the measuring device and some of the measurement data are shown.


Micro-spindle Rotation accuracy Run-out Optical measuring method 


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Copyright information

© Springer-Verlag London Limited 2007

Authors and Affiliations

  • Kengo Fujimaki
    • 1
  • Kimiyuki Mitsui
    • 1
  1. 1.Keio UniversityJapan

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