Method and apparatus for improving measurement accuracy of a portable coordinate measurement machine

A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, this deformation...

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Bibliographic Details
Main Authors Raab, Simon, Sajedi, Allen, Hasloecher, Kenneth J, Barber, Marc
Format Patent
LanguageEnglish
Published 01.02.2011
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Summary:A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, this deformation causing an error in the measurement made by the CMM, and correcting such error in response to the sensed deformation.