A Projected Grating Technique For Gaging Surface Curvatures

Y. Y. Hung; S. K. Cheng; N. K. Loh

doi:10.1117/12.944826

12 December 1984 A Projected Grating Technique For Gaging Surface Curvatures

Y. Y. Hung, S. K. Cheng, N. K. Loh

Proceedings Volume 0503, Application, Theory, and Fabrication of Periodic Structures, DiffractionGratings, and Moire Phenomena II; (1984) https://doi.org/10.1117/12.944826
Event: 28th Annual Technical Symposium, 1984, San Diego, United States

Abstract

A new technique is presented in this paper for gaging curvatures of industrial parts such as the panels of automobile bodies. This non-contact technique utilizes the projection of a grating upon the surface to be gaged. Implementation of the proposed technique is carried out with a digital image processor. Experimental results of applying the technique are presented.

Citation Download Citation

Y. Y. Hung, S. K. Cheng, and N. K. Loh "A Projected Grating Technique For Gaging Surface Curvatures", Proc. SPIE 0503, Application, Theory, and Fabrication of Periodic Structures, DiffractionGratings, and Moire Phenomena II, (12 December 1984); https://doi.org/10.1117/12.944826

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