• Title/Summary/Keyword: Precision mearurement

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The Study of Precision measurement by the 3-Point Method (3점식 정도측정에 관한 연구)

  • 전승윤;이영진;정영일;배종일;이만형
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2000.05a
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    • pp.607-612
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    • 2000
  • Roundness measurement method using three displacement sensors makes in-process roundness measurement possible on the NC machine because it eliminates the vibration signal and eccentricity signal from measured roundness signal from the workpiece. But if measured signals contain noises, high precision measurement of the roundness isn't possible. In this study, a high precision in-process roundness measurement system is developed, which applies a Kalman filter to the roundness measurement method using three displacement sensors and can be used to measure vibration of the spindle.

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