DEVELOPMENT OF A NEW ARTIFACT TO CALIBRATE A BALL PLATE

S. Osawa, T. Takatsuji, T. Kurosawa

Abstract

In this paper, we propose a new design artifact to calibrate a ballplate. Ballplates are usually used to calibrate CMMs (Coordinate Measuring Machines). At present, for the calibration of ballplates, gauge blocks are being used. Gauge blocks are not appropriate as length transfer gauges because of their shape. Therefore, we developed a new artifact, which we call a one-dimensional ballplate. It consists of a steel bar that is designed as an H section and balls. It has two advantages, namely, it can be calibrated by a laser interferometer and the positions of balls do not change in the event of elastic and thermal deformation.

Keywords

CMM, calibration artifact, interferometer

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IMEKO-WC-2000-TC14-P391.pdf

DOI

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IMEKO TC

TC14 - Measurement of Geometrical Quantities

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