Automated surface roughness assessment

Colin H. Bradley

doi:10.1117/12.371189

24 November 1999 Automated surface roughness assessment

Colin H. Bradley

Proceedings Volume 3832, Sensors and Controls for Intelligent Machining and Manufacturing Mechatronics; (1999) https://doi.org/10.1117/12.371189
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

A fiber optic sensor system is described for non-contact measurement of surface texture. The sensor employs a fiber optic guide and lens arrangement that forms an interferometric cavity between the lens front face and the surface. Changes in the surface topography are manifested as phase changes between the light reflected from the surface and the front face of the lens. An electronic control and data acquisition system converts the phase change into a voltage signal proportional to surface topography. The sensor performance is evaluated against stylus profilometer result and comparison of the amplitude parameter, R_a, shows good agreement.

Citation Download Citation

Colin H. Bradley "Automated surface roughness assessment", Proc. SPIE 3832, Sensors and Controls for Intelligent Machining and Manufacturing Mechatronics, (24 November 1999); https://doi.org/10.1117/12.371189

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