Constant reduction multi-stand hot rolling mill set-up method
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United States of America Patent
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Mar 11, 1997
Grant Date -
N/A
app pub date -
Aug 22, 1994
filing date -
Aug 22, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a method and apparatus for improving rolling mill efficiency by providing modified fixed setup parameters according to the class of the material being rolled through the following steps: (1) divide the products produced by the rolling mill into hardness/rollability classes; (2) empirically establish a set of fixed interstand thicknesses for each class which produce desired operational characteristics, such as constant thermal operation; and (3) vary the entry thickness for a particular product in accordance with the set of fixed interstand thicknesses for its class proportionally based on the desired exit thickness.
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