JPS57156822A - Controlling method for shape of strip in cold rolling - Google Patents

Controlling method for shape of strip in cold rolling

Info

Publication number
JPS57156822A
JPS57156822A JP56042781A JP4278181A JPS57156822A JP S57156822 A JPS57156822 A JP S57156822A JP 56042781 A JP56042781 A JP 56042781A JP 4278181 A JP4278181 A JP 4278181A JP S57156822 A JPS57156822 A JP S57156822A
Authority
JP
Japan
Prior art keywords
strip
width direction
shape
temp
distributions
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
JP56042781A
Other languages
Japanese (ja)
Inventor
Takashi Asamura
Yoshiteru Kurata
Ikuya Yamamoto
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP56042781A priority Critical patent/JPS57156822A/en
Publication of JPS57156822A publication Critical patent/JPS57156822A/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
    • B21B37/44—Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/28—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

PURPOSE:To control the shape in the width direction of a strip with high accuracy in the stage of cold rolling of the strip by controlling the temp. distributions in the width direction of the strip and work rolls thereby adjusting the lubricating condition between the rolls and the strip. CONSTITUTION:In the final stand of tandem cold rolling mills, the temp. distributions in the width direction of a strip 1 to be rolled and rolls are measured with a strip thermometer 3 and a roll surface thermometer 2 moving and scanning in the width direction for a constant time. The shape of the strip 1 on the outlet side of the rolling mills is detected with a shape detector 8, and is inputted together with the above-mentioned temp. measured values to a coolant pressure operating and setting device 9, by which the water flow rates of a coolant injection header 4 for cooling the strip 1 and a coolant injection head 5 for cooling the roll surface and the water flow rates in the respective positions in the width direction are regulated with pressure control valves 6, 7, whereby the temp. distributions of the srip 1 and the work roll surfaces are controlled adequately and the shape in the width direction of the strip on the outlet side of the rolling mills is controlled with high accuracy.
JP56042781A 1981-03-24 1981-03-24 Controlling method for shape of strip in cold rolling Pending JPS57156822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56042781A JPS57156822A (en) 1981-03-24 1981-03-24 Controlling method for shape of strip in cold rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56042781A JPS57156822A (en) 1981-03-24 1981-03-24 Controlling method for shape of strip in cold rolling

Publications (1)

Publication Number Publication Date
JPS57156822A true JPS57156822A (en) 1982-09-28

Family

ID=12645505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56042781A Pending JPS57156822A (en) 1981-03-24 1981-03-24 Controlling method for shape of strip in cold rolling

Country Status (1)

Country Link
JP (1) JPS57156822A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648256A (en) * 1984-05-09 1987-03-10 Mitsubishi Denki Kabushiki Kaisha Shape control apparatus for flat material
JPH04200911A (en) * 1990-11-30 1992-07-21 Nkk Corp Method for preventing fluctuation of thickness, with, shape and sheet crown of steel strip
JP2002542037A (en) * 1999-04-26 2002-12-10 エス・エム・エス・デマーク・アクチエンゲゼルシヤフト Rolling method for metal strip and rolling equipment corresponding to this method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648256A (en) * 1984-05-09 1987-03-10 Mitsubishi Denki Kabushiki Kaisha Shape control apparatus for flat material
JPH04200911A (en) * 1990-11-30 1992-07-21 Nkk Corp Method for preventing fluctuation of thickness, with, shape and sheet crown of steel strip
JP2002542037A (en) * 1999-04-26 2002-12-10 エス・エム・エス・デマーク・アクチエンゲゼルシヤフト Rolling method for metal strip and rolling equipment corresponding to this method
JP4912529B2 (en) * 1999-04-26 2012-04-11 エス・エム・エス・ジーマーク・アクチエンゲゼルシャフト Rolling method for metal strip and rolling equipment corresponding to this method

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