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Proceedings Paper

Feasibility of moire contouring for flatness checking of steel plates
Author(s): Eric J. Sieczka
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Paper Abstract

The departure from flatness of a steel plate after rolling, including center buckle and edge wave undulations, is an important parameter indicative of product quality. By monitoring the flatness of steel plates during manufacturing, information can be fed to the rolling press to control the process. A quantitative, three dimensional technique for measuring the surface structure of objects is moire interferometry. This paper presents the results of a project to demonstrate the feasibility of using moire interferometry to monitor the flatness of steel plates. This project involved the design and construction of a demonstration moire optical head, the coding of a fringe interpretation algorithm, and a performance evaluation of each.

Paper Details

Date Published: 28 May 1993
PDF: 11 pages
Proc. SPIE 1821, Industrial Applications of Optical Inspection, Metrology, and Sensing, (28 May 1993); doi: 10.1117/12.145559
Show Author Affiliations
Eric J. Sieczka, Industrial Technology Institute (United States)

Published in SPIE Proceedings Vol. 1821:
Industrial Applications of Optical Inspection, Metrology, and Sensing
Gordon M. Brown; Kevin G. Harding; H. Philip Stahl, Editor(s)

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