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Proceedings Paper

Characterization of uncertainties when measuring metal cutting temperatures using infrared radiation thermography
Author(s): Eric P. Whitenton
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Paper Abstract

There are many error sources when using infrared radiation thermography to measure the temperature distribution of the tool, workpiece, and chip during metal cutting. It is important to understand how these error sources affect the measurement uncertainty. Some are familiar to anyone performing thermography measurements, such as uncertainties in the basic camera calibration. However, metal cutting presents unique measurement challenges due to factors such as the high magnification required, high surface speeds, polarization effects, micro-blackbody effects, and changing emissivity as chips form. This paper presents highlights of the current state of efforts at NIST to catalog and characterize error sources and the resulting uncertainties.

Paper Details

Date Published: 22 April 2009
PDF: 12 pages
Proc. SPIE 7299, Thermosense XXXI, 72990G (22 April 2009); doi: 10.1117/12.818799
Show Author Affiliations
Eric P. Whitenton, National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 7299:
Thermosense XXXI
Douglas D. Burleigh; Ralph B. Dinwiddie, Editor(s)

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