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Vision-based thermal drift monitoring method for machine tools

Published

Author(s)

Gregory W. Vogl, Ainsley Rexford, Zongze Li, Robert Landers, Edward Kinzel, Alkan Donmez, Joe Chalfoun

Abstract

A method is presented to measure machine tool thermal drift for error compensation. A wireless microscope within a tool holder in the spindle is used to capture videos of image targets attached to the worktable. For each target, one video is captured during spindle rotation orthogonal to the worktable and another video is captured during axis translation orthogonal to the worktable. Data are collected periodically so that the three-dimensional thermal error at each target location is determined via image analysis. Experiments verify that the method measures micrometer-level tool-to-workpiece thermal drift for error model development and thermal drift compensation.
Citation
CIRP Annals-Manufacturing Technology
Volume
72

Keywords

Thermal error, Machine tool, Monitoring

Citation

Vogl, G. , Rexford, A. , Li, Z. , Landers, R. , Kinzel, E. , Donmez, A. and Chalfoun, J. (2023), Vision-based thermal drift monitoring method for machine tools, CIRP Annals-Manufacturing Technology, [online], https://doi.org/10.1016/j.cirp.2023.04.053, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=936220 (Accessed June 23, 2024)

Issues

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Created April 15, 2023, Updated October 5, 2023