Calibration of Gear Measuring Instruments and their Application to the Inspection of Product Gears


The condition and alignment of gear measuring instruments can greatly influence the measurement of product gears. This paper provides guidelines for the alignment of instrument elements such as centers, ways, probe systems, etc. The instrument accuracy requirements needed to meet the accuracy of product gears is also discussed. The paper also covers the application of gear artifacts to determine instrument accuracy. This involves the calculation of U95 uncertainty at all steps from the artifact to the final product gears.
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