ROLL STATUS MONITORING DEVICE

A roll state monitor device includes: rolling force detecting means configured to detect rolling force of a monitored roll selected from an upper roll set and a lower roll set when a rolled material is rolled between the upper roll set and the lower roll set, the upper roll set having at least one r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAMASAKI, Yukihiro, IMANARI, Hiroyuki
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A roll state monitor device includes: rolling force detecting means configured to detect rolling force of a monitored roll selected from an upper roll set and a lower roll set when a rolled material is rolled between the upper roll set and the lower roll set, the upper roll set having at least one roll and the lower roll set having at least one roll; force variation value extracting means configured to extract a rolling force variation value based on the rolling force for each rotation position of the monitored roll; and identification means configured to identify a roll eccentricity amount of the monitored roll by acquiring a plurality of accumulated values by accumulating separately for each rotation position of the monitored roll a value which is one of the rolling force variation value and a roll gap equivalent value calculated based on the rolling force variation value, and by dividing each of the plurality of accumulated values by a correction coefficient corresponding to a roll rotation amount which is number of times the monitored roll is rotated in an accumulation period in which the plurality of accumulated values are acquired.