Method for identifying surface characteristics of metallurgical products, especially continuously cast and rolled products, and a device for carrying out said method
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United States of America Patent
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Oct 22, 2013
Grant Date -
Apr 29, 2010
app pub date -
Mar 19, 2008
filing date -
Mar 19, 2007
priority date (Note) -
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Abstract
The invention relates to a method for recognizing surface characteristics of metallurgical products, especially continuously cast products and rolled products. According to said method, a defined section of the product surface (12, 12′) is irradiated by at least two radiation sources of different wavelengths, from different directions, and the irradiated surface section is optoelectronically detected. Three light sources (21, 22, 23) are oriented towards the product surface (12, 12′), as radiation sources, under the same angle (a), the positions thereof being in three planes (E1, E2, E3) forming a 120 DEG angle and being perpendicular to the product surface (12, 12′). In this way, instructive information about metallurgical products can be determined and stored in a very short space of time such that the products can be determined in a perfectly identified manner for the reprocessing, in terms of the surface quality or surface structure thereof.
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