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Practical Aspects of Touch Trigger Probe Error Compensation

Published

Author(s)

William T. Estler, Steven D. Phillips, Bruce R. Borchardt, Ted Hopp, M Levenson, K Eberhardt, Marjorie A. McClain

Abstract

We present extensions of our prior work in modeling and correcting for pretravel variation errors in kinematic seat touch-trigger coordinate measuring machine (CMM) probes with straight styli. A simple correction term is shown to account for a range of probe asymmetries quantitatively, leading to improved error compensation. We also demonstrate probe lobing correction for constrained fits to small datasets, illustrating practical examples for both CMM and machine tool probes. Finally, we discuss statistical and uncertainty issues and demonstrate the effectiveness of the model with actual measurement data.
Citation
Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology
Volume
21
Issue
1

Keywords

coordinate measuring machines, dimensional metrology, error correction, modeling, probes, touch-trigger probes

Citation

Estler, W. , Phillips, S. , Borchardt, B. , Hopp, T. , Levenson, M. , Eberhardt, K. and McClain, M. (1997), Practical Aspects of Touch Trigger Probe Error Compensation, Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology (Accessed April 18, 2024)
Created June 30, 1997, Updated October 12, 2021