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    초록·키워드

    This paper presents an useful technique for assessing the volumetric errors in multiaxis machine tools using the kinematic double ball bar. This system has been developed based on the volumetric error model which describes the 3 dimensional errors of machine tools. The developed system inputs the measured radial data performed on the 3 orthogonal planes, analyzing the parametric errors such as positional, straightness, angular, squareness, and backlash errors. The developed system also can assess dynamic performance of machine tools such as errors due to the servo gain mismatch. The developed system has been tested in a practical machine tool, and showed high potential for error assessment of multi-axis machine tools.

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      UCI(KEPA) : I410-ECN-0101-2009-555-016865951