Method for determining temperature of metal to be rolled by hot strip mill and apparatus for performing the same
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United States of America Patent
Stats
-
Feb 12, 1991
Grant Date -
N/A
app pub date -
Sep 20, 1989
filing date -
Sep 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a hot strip mill having a roughing mill, a finishing mill including a plurality of stands and a delay table having a coil box and being disposed between the roughing mill and the finishing mill, a temperature drop in the delay table is calculated for a model of the coil box portion and a model of the remaining portion of the delay table. The bar temperature on an entry side of the coil box is not calculated from the surface temperature on a delivery side of the roughing mill but from an average temperature obtained by operations. The lowering of the temperature of a bar on the delay table is obtained by only one non-repetitive calculation.
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