Feasibility of moire contouring for flatness checking of steel plates

Eric J. Sieczka

doi:10.1117/12.145559

28 May 1993 Feasibility of moire contouring for flatness checking of steel plates

Eric J. Sieczka

Proceedings Volume 1821, Industrial Applications of Optical Inspection, Metrology, and Sensing; (1993) https://doi.org/10.1117/12.145559
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

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.

Citation Download Citation

Eric J. Sieczka "Feasibility of moire contouring for flatness checking of steel plates", Proc. SPIE 1821, Industrial Applications of Optical Inspection, Metrology, and Sensing, (28 May 1993); https://doi.org/10.1117/12.145559

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