Hot strip mill shape processor and method
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United States of America Patent
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Nov 8, 1988
Grant Date -
N/A
app pub date -
Mar 3, 1986
filing date -
Mar 3, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The method of controlling strip flatness on a hot strip mill which includes a hot reversing mill as a final reducing stand comprises reducing the thickness of the workpiece by passing it back and forth along a pass line through the hot reversing mill while reducing the roll gap on the mill after each successive pass. The strain developed during rolling is equalized by passing the workpiece through a shape processor having a plurality of upper and lower rolls capable of intermeshing along the pass line and located immediately downstream of the hot reversing mill. The equalizing of the strain through the shape processor occurs during selected intermittent passes and/or through the last pass through the reversing mill.
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