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20 November 2009 Correlation between linear and angular kinematic errors in prismatic joint of machine tools
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In this particular research authors have made an effort to investigate the relationships between linear and angular elemental errors through a pragmatic way and analyzing them. Correlation between the errors was considered by the case study of the coupling mechanism between the joint kinematic angular and straightness errors of a prismatic joint of a machine tool, and was validated through measurement. The laser interferometer was employed in conjunction with its optics under controlled environmental conditions for validation purposes. Prismatic joint of a 5-axis grinding machine was used for error characterization and its quantification by establishing the relevance between linear (straightness) and angular (pitch and yaw) errors. Results exhibited a quite agreement to the relationship while compensation factor added with the methodology. It was investigated whether the methodology is beneficial for reducing the elements of parametric calibration which provides an efficient characterization and error evaluation, or is just better for an estimation and quick check of a machine tool error.
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Abdul Wahid Khan and Wuyi Chen "Correlation between linear and angular kinematic errors in prismatic joint of machine tools", Proc. SPIE 7511, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 751109 (20 November 2009);


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