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Información tecnológica

On-line version ISSN 0718-0764

Abstract

CUESTA, Eduardo; FERNANDEZ, Pedro; ALVAREZ, Braulio J  and  BLANCO, David. Influence of Surface Finishing on the Scanning with Laser Triangulation Sensors. Inf. tecnol. [online]. 2008, vol.19, n.3, pp.107-114. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642008000300015.

The present work deals with the measurement of the influence that surface finishing has on the accuracy and quality of the scanning performed using laser triangulation sensors. Amongst the great number of parameters that influence the scanning quality, the effect of roughness is analysed. To achieve this, a procedure for constraining the variables while providing an excellent repeatability and reproducibility was proposed. This procedure has been applied to several manufacturing processes that produce parts with very different quality of surface finishing. As a result, certain correlations have been extracted that quantify the influence of the roughness on the quality of the cloud-point, the spatial distribution of the cloud-point dispersion and the optimal laser intensity for each manufacturing process.

Keywords : laser scanning; surface finishing; laser sensors; roughness.

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