Development of an Optical Hole-Diameter Measuring Instrument

H. Onikura, Y. Kuwabara, T. Nakamura, Takao Sajima, Y. Imaseki, A. Katsuki, A. Kobayashi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

An optical hole-diameter measuring instrument has been developed. The instrument, which consists of two laser diodes, a photo sensitive detector, two condenser lenses and some mirrors, is intended to measure, based on trigonometry, the distances to the hole wall on two sides alternately. The fundamental analysis and experiment showed that it was possible to measure the distances to the object having not only a mirror-like plane surface but also a rough cylindrical surface. Using the instrument, which was manufactured on trial, it was found that the hole-diameter between 9.5 and 11.0 mm could be measured within accuracy of 23 μm.

Original languageEnglish
Pages (from-to)461-464
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Volume43
Issue number1
DOIs
Publication statusPublished - Jan 1 1994

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Semiconductor lasers
Lenses
Mirrors
Detectors
Experiments

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

Onikura, H., Kuwabara, Y., Nakamura, T., Sajima, T., Imaseki, Y., Katsuki, A., & Kobayashi, A. (1994). Development of an Optical Hole-Diameter Measuring Instrument. CIRP Annals - Manufacturing Technology, 43(1), 461-464. https://doi.org/10.1016/S0007-8506(07)62253-7

Development of an Optical Hole-Diameter Measuring Instrument. / Onikura, H.; Kuwabara, Y.; Nakamura, T.; Sajima, Takao; Imaseki, Y.; Katsuki, A.; Kobayashi, A.

In: CIRP Annals - Manufacturing Technology, Vol. 43, No. 1, 01.01.1994, p. 461-464.

Research output: Contribution to journalArticle

Onikura, H, Kuwabara, Y, Nakamura, T, Sajima, T, Imaseki, Y, Katsuki, A & Kobayashi, A 1994, 'Development of an Optical Hole-Diameter Measuring Instrument', CIRP Annals - Manufacturing Technology, vol. 43, no. 1, pp. 461-464. https://doi.org/10.1016/S0007-8506(07)62253-7
Onikura, H. ; Kuwabara, Y. ; Nakamura, T. ; Sajima, Takao ; Imaseki, Y. ; Katsuki, A. ; Kobayashi, A. / Development of an Optical Hole-Diameter Measuring Instrument. In: CIRP Annals - Manufacturing Technology. 1994 ; Vol. 43, No. 1. pp. 461-464.
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