JPH04162906A - Sheet crown controller - Google Patents

Sheet crown controller

Info

Publication number
JPH04162906A
JPH04162906A JP2286326A JP28632690A JPH04162906A JP H04162906 A JPH04162906 A JP H04162906A JP 2286326 A JP2286326 A JP 2286326A JP 28632690 A JP28632690 A JP 28632690A JP H04162906 A JPH04162906 A JP H04162906A
Authority
JP
Japan
Prior art keywords
sheet crown
deviation
exceeds
prescribed value
bend pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2286326A
Other languages
Japanese (ja)
Inventor
Tadashi Tanii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP2286326A priority Critical patent/JPH04162906A/en
Publication of JPH04162906A publication Critical patent/JPH04162906A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/38—Control of flatness or profile during rolling of strip, sheets or plates using roll bending

Abstract

PURPOSE: To optimize sheet crown control by limiting roll bend pressure when the deviation between the elongation percentage that is detected with a flatness detecting means and its set target value exceeds a prescribed value.
CONSTITUTION: A sheet crown controller 8 with which the work roll bender of a rolling mill 1 is controlled according to roll bend pressure is constituted by providing the flatness detecting means with which tension distribution in the width direction of a rolled stock 2 is detected, means for setting the target value, means for deciding whether the deviation of those values exceeds the prescribed value or not and limit means for restricting the magnitude of the roll bend pressure when deciding that the deviation exceeds the prescribed value. In this way, sheet crown control can be optimally executed in the range that the shape of the rolled stock isn't affected.
COPYRIGHT: (C)1992,JPO&Japio
JP2286326A 1990-10-24 1990-10-24 Sheet crown controller Pending JPH04162906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2286326A JPH04162906A (en) 1990-10-24 1990-10-24 Sheet crown controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2286326A JPH04162906A (en) 1990-10-24 1990-10-24 Sheet crown controller

Publications (1)

Publication Number Publication Date
JPH04162906A true JPH04162906A (en) 1992-06-08

Family

ID=17702940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2286326A Pending JPH04162906A (en) 1990-10-24 1990-10-24 Sheet crown controller

Country Status (1)

Country Link
JP (1) JPH04162906A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011200899A (en) * 2010-03-25 2011-10-13 Jfe Steel Corp Method of hot finish rolling
CN105710137A (en) * 2016-04-14 2016-06-29 燕山大学 Cold-rolling mill multivariate strip shape control method based on constrained optimization algorithm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011200899A (en) * 2010-03-25 2011-10-13 Jfe Steel Corp Method of hot finish rolling
CN105710137A (en) * 2016-04-14 2016-06-29 燕山大学 Cold-rolling mill multivariate strip shape control method based on constrained optimization algorithm

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