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Suppression of wringingOperating rate improvementWork roll life improvementSuppression of quality troubleCost reductionHot rollingTandem millYield improvement

Data Science

Meandering Control in Hot Rolling of Thin Strips J-Lecoa?-M

Avoids wringing and meandering trouble in hot rolling!

Solution Point

  • Can suppress wringing trouble by meandering control by direct detection with high-speed camera of meandering in the continuous hot rolling process for thin strips.
  • Improves work roll life by reducing wringing.
  • Possible to retrofit in existing systems.
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Features 01

Expected Problems
?Aren't you having wringing trouble when rolling thin strips?
?Don't you feel there's a limit to conventional shape control by the operator?

Features 02

Technology highlight
?Directly detects the amount of meandering by photographing the strip being rolled from above.
?Improves meandering control accuracy by combined use of the conventional method of leveling based on differential load and camera-based leveling.
?Maintains detection accuracy by image processing technology, even under poor visibility conditions due to steam.
?Control at 5 msec level is possible by using a high-speed PLC.
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Features 03

Proposed Solutions (Examples)
?Installed camera in the Client's hot rolling mill line, and realize automatic meandering control by a dedicated PLC.
?Also possible to introduce in new hot rolling mill lines.
?At existing hot rolling mill lines, can be applied to lines with hydraulic screw-down control.
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