Method of supplying lubrication oil in cold rolling
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United States of America Patent
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May 13, 2014
Grant Date -
Apr 17, 2008
app pub date -
Nov 17, 2005
filing date -
Nov 22, 2004
priority date (Note) -
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Abstract
The present invention provides a method for supplying lubricant to various kinds of steel sheets with different qualities in cold rolling without any restrictions, such as lubricant supplying apparatus or lubrication conditions. This method comprises storing two or more kinds of lubricant such as A and B, having different compositions, selecting one lubricant or a mixture lubricant of the above A and B in accordance with the friction coefficient between the steel sheet to be cold rolled and a work-rolls, and supplying an emulsion comprising a mixture of the lubricant A and/or B and heated water.
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