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Browsing by Author "Kruger, OA"

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High-accuracy interferometric measurements of flatness and parallelism of a step gauge

Author: Kruger, OA Date: 2001 The most commonly used method in the calibration of step gauges is the coordinate measuring machine (CMM), equipped with a laser interferometer for the highest accuracy. This paper describes a modification to a length-bar measuring machine ... Read more
Methods for determining the effect of flatness deviations, eccentricity and pyramidal errors on angle measurements

Author: Kruger, OA Date: 2000 In angle calibrations the uncertainty contributions of the autocollimator and index table are easily estimated as these uncertainties are well documented, but it is more difficult to determine the uncertainties associated with flatness ... Read more

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Browsing by Author "Kruger, OA"

Browsing by Author "Kruger, OA"

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