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Latin American applied research

Print version ISSN 0327-0793


BILMES, G. M. et al. Laser instrument for determination of the degree of cleanliness in cold-rolled steel plate manufacturing. Lat. Am. appl. res. [online]. 2002, vol.32, n.3, pp.263-266. ISSN 0327-0793.

Cold-rolled steel plate emerges from the manufacturing process with a thin layer of residual dirt that has to be kept under control for two main reasons: it may be indicative of deviations from normal functioning in previous manufacturing stages and it may impair the effectiveness of downstream operations such as painting, galvani-zing, etc. Standard measurements of this residual dirt are based on not trustworthy laboratory sample measurements, outside the production line. We developed a method that allows on-line determina-tions of  the cleanliness degree for the whole manu-factured steel plate bobbin. Based on this method, we designed the first industrial instrument (ELMES I), which is now in operation at the final inspection line of the Siderar's plant at Ensenada (Buenos Aires)

Keywords : Acousto-optical devices; Lasers applications; Industrial laser applications; Industrial research and development.

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