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Proceedings Paper

Automated cylindrical mapper using chromatic confocal measurement
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Paper Abstract

Characterization of a surface shape and finish has been vital for the manufacture of precision parts. Overall profile, surface finish and waviness of a part can be measured in two ways, contact and non-contact. In the contact method a stylus is dragged on the surface of a part to measure the profile and texture of the part for quantifying the surface characteristics. Non-contact methods applied z precision metrology include: microscopy, interferometry, chromatic confocal microscopy and laser profiling such as structured light methods. The chromatic confocal method offers flexibility because of its fiber optics probes that can be manipulated to accommodate many sample geometries. This flexibility provides a wide range of possible analysis dimensions such as cylindrical shapes of holes and the potential to provide both surface roughness and shape. This paper will discuss the setup and testing of a system specifically for measuring cylindrical shaped parts and present the performance of the technology as a precision metrology tool.

Paper Details

Date Published: 20 September 2013
PDF: 13 pages
Proc. SPIE 8839, Dimensional Optical Metrology and Inspection for Practical Applications II, 88390F (20 September 2013); doi: 10.1117/12.2023760
Show Author Affiliations
Esmaeil Heidari, GE Global Research (United States)
Kevin G. Harding, GE Global Research (United States)
Robert W. Tait, GE Global Research (United States)

Published in SPIE Proceedings Vol. 8839:
Dimensional Optical Metrology and Inspection for Practical Applications II
Kevin G. Harding; Peisen S. Huang; Toru Yoshizawa, Editor(s)

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