METHOD AND LUBRICATION APPLICATION DEVICE FOR REGULATING THE FLATNESS AND/OR ROUGHNESS OF A METAL STRIP
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United States of America Patent
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app pub date -
Mar 8, 2013
filing date -
Dec 15, 2006
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Abandoned
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Abstract
A method and a lubricant application device for regulating flatness and/or roughness of a metal strip in the outlet of a cold rolling stand by suitable metering of the amount of a lubricant per unit time applied to the metal strip in the inlet of the cold rolling stand. The invention that the applied amount of lubricant is metered in the form of a quantitative distribution over the width of the metal strip per unit time according to a detected control deviation between an actual and a desired flatness distribution over the width of the metal strip in the outlet of the cold rolling stand or a control deviation between an actual and a desired roughness distribution over the width of the metal strip in the outlet of the cold rolling stand or a combination of the two control deviations.
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