Artifact and method for verifying accuracy of a positioning apparatus
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United States of America Patent
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May 17, 1994
Grant Date -
N/A
app pub date -
Mar 28, 1991
filing date -
Mar 28, 1991
priority date (Note) -
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Abstract
A gage master artifact and method for verifying calibration of machine tools and other positioning apparatus such as a coordinate measuring machine wherein measurements are taken of bore sizes and lengths of the artifact in different orientations within the coordinate field of the apparatus by a probe of that apparatus and comparing such measurements with known measurements of the artifact to verify calibration accuracy of the apparatus.
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