Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard MacManus0
Bruce R. Pease0
Date of Patent
March 2, 2010
0Patent Application Number
117627940
Date Filed
June 14, 2007
0Patent Primary Examiner
Patent abstract
A single-scale, single-drive coordinate measuring machine that compensates for hysteresis error caused by friction at the non-driven end of the bridge. The coordinate measuring machine is calibrated to estimate hysteresis effects at one or more distances from the scale. Measurements of workpieces are adjusted based on the calibration data and the distances of the carriage from the scale at the point of the measurements. The scale and the drive system may be positioned on opposite guideways.
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