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Proceedings Paper

Correlation between linear and angular kinematic errors in prismatic joint of machine tools
Author(s): Abdul Wahid Khan; Wuyi Chen
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Paper Abstract

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.

Paper Details

Date Published: 20 November 2009
PDF: 9 pages
Proc. SPIE 7511, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 751109 (20 November 2009); doi: 10.1117/12.839861
Show Author Affiliations
Abdul Wahid Khan, Beihang Univ. (China)
Wuyi Chen, Beihang Univ. (China)


Published in SPIE Proceedings Vol. 7511:
2009 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems
Shenghua Ye; Guangjun Zhang; Jun Ni, Editor(s)

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