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Proceedings Paper

Optimized measurement of gaps
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Paper Abstract

Gaps are important in a wide range of measurements in manufacturing, from the fitting of critical assemblies too cosmetic features on cars. There are a variety of potential sensors that can measure a gap opening, each with aspects of gap measurements that they do well and other aspects where the technology may lack capability. This paper provides a review of a wide range of optical gages from structured light to passive systems and from line to area measurement. Each technology is considered relative to the ability to accurately measure a gap, including issues of edge effects, edge shape, surface finish, and transparency. Finally, an approach will be presented for creating an optimize measurement off gap openings for critical assembly applications.

Paper Details

Date Published: 1 May 2017
PDF: 11 pages
Proc. SPIE 10220, Dimensional Optical Metrology and Inspection for Practical Applications VI, 102200E (1 May 2017); doi: 10.1117/12.2261187
Show Author Affiliations
Kevin Harding, GE Global Research (United States)
Rajesh Ramamurthy, GE Global Research (United States)


Published in SPIE Proceedings Vol. 10220:
Dimensional Optical Metrology and Inspection for Practical Applications VI
Kevin G. Harding; Song Zhang, Editor(s)

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