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On-line measurement of wood surface smoothness

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The latest progress in the field of optics and microelectronics resulted in development of new generation vision systems capable of scanning surface topography with very high sampling frequencies. The blue color of illuminating light as well as novel systems for controlling ultra-thin laser line thickness allows measurement of the porous surface of wood with a triangulation method. Three alternative sensors were tested here in order to verify their suitability for determination of surface topography in the industrial environment. The scanning head was installed at the exit zone of the four-side profiling moulder and was set to scrutinize the wood surface shape line-by-line, immediately after profiling. The sensor was also tested for automatic detection of surface defects appearing on elements after sanding, wetting and painting with diverse finishing products. The set of pilot test results, together with an original algorithm for real-time surface defects detection, is presented.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Drvna Industrija nr 71, strony 193 - 200,
ISSN: 0012-6772
Język:
angielski
Rok wydania:
2020
Opis bibliograficzny:
Sandak J., Orłowski K., Sandak a., Chuchała D., Taube P.: On-line measurement of wood surface smoothness// Drvna Industrija -Vol. 71,iss. 2 (2020), s.193-200
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.5552/drvind.2020.1970
Weryfikacja:
Politechnika Gdańska

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