EP3981522A4 - Rolling mill - Google Patents

Rolling mill Download PDF

Info

Publication number
EP3981522A4
EP3981522A4 EP19949862.7A EP19949862A EP3981522A4 EP 3981522 A4 EP3981522 A4 EP 3981522A4 EP 19949862 A EP19949862 A EP 19949862A EP 3981522 A4 EP3981522 A4 EP 3981522A4
Authority
EP
European Patent Office
Prior art keywords
rolling mill
mill
rolling
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.)
Granted
Application number
EP19949862.7A
Other languages
German (de)
French (fr)
Other versions
EP3981522A1 (en
EP3981522B1 (en
Inventor
Kenji Horii
Tatsunori Sugimoto
Takao Owada
Akira Sako
Hiroaki Watanabe
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.)
Primetals Technologies Japan Ltd
Original Assignee
Primetals Technologies Japan Ltd
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 Primetals Technologies Japan Ltd filed Critical Primetals Technologies Japan Ltd
Publication of EP3981522A1 publication Critical patent/EP3981522A1/en
Publication of EP3981522A4 publication Critical patent/EP3981522A4/en
Application granted granted Critical
Publication of EP3981522B1 publication Critical patent/EP3981522B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/142—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/18—Adjusting or positioning rolls by moving rolls axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B2031/206—Horizontal offset of work rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/02—Roll bending; vertical bending of rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/12—Axial shifting the rolls
    • 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
    • B21B37/42—Control of flatness or profile during rolling of strip, sheets or plates using a combination of roll bending and axial shifting of the rolls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Rolls And Other Rotary Bodies (AREA)
EP19949862.7A 2019-10-25 2019-10-25 Rolling mill Active EP3981522B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/041943 WO2021079498A1 (en) 2019-10-25 2019-10-25 Rolling mill

Publications (3)

Publication Number Publication Date
EP3981522A1 EP3981522A1 (en) 2022-04-13
EP3981522A4 true EP3981522A4 (en) 2022-06-29
EP3981522B1 EP3981522B1 (en) 2024-05-01

Family

ID=75619731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19949862.7A Active EP3981522B1 (en) 2019-10-25 2019-10-25 Rolling mill

Country Status (4)

Country Link
EP (1) EP3981522B1 (en)
JP (1) JP7100416B2 (en)
CN (1) CN113950383B (en)
WO (1) WO2021079498A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084927A1 (en) * 1982-01-06 1983-08-03 Hitachi, Ltd. Rolling mill
EP0283342A1 (en) * 1987-02-27 1988-09-21 Clecim Rolling mill having axially shifting rolls, and roll profile control method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122128A1 (en) * 1981-06-04 1982-12-23 SMS Schloemann-Siemag AG, 4000 Düsseldorf Rolling stand
JPS59229207A (en) * 1983-06-13 1984-12-22 Hitachi Ltd Rolling mill
JPH0753285B2 (en) * 1984-03-30 1995-06-07 株式会社日立製作所 Rolling mill with work roll bearing box
JP2693972B2 (en) * 1988-09-02 1997-12-24 株式会社日立製作所 Roll shift device for rolling mill
US5924319A (en) * 1998-07-07 1999-07-20 Danieli United Roll crossing, offsetting, bending and shifting system for rolling mills
FR2786415B1 (en) * 1998-11-30 2001-02-09 Kvaerner Metals Clecim ROLLER EQUIPPED WITH WORKING CYLINDER BENDING MEANS
CN100335189C (en) * 2000-03-01 2007-09-05 株式会社日立制作所 Rolling mill, and device for eliminating loose for roll bearing box
US6748782B1 (en) * 2000-03-01 2004-06-15 Hitachi, Ltd. Rolling mill, looseness eliminating device of roll bearing housing, rolling method, method of modifying rolling mill, and hot finishing tandem rolling equipment
JP3526554B2 (en) * 2001-02-13 2004-05-17 株式会社日立製作所 Tandem rolling equipment and rolling method
CN200977529Y (en) * 2006-09-28 2007-11-21 北京京诚之星科技开发有限公司 Improved eight rolls roller
WO2011122069A1 (en) 2010-03-31 2011-10-06 新日本製鐵株式会社 Metal plate rolling machine and rolling method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084927A1 (en) * 1982-01-06 1983-08-03 Hitachi, Ltd. Rolling mill
EP0283342A1 (en) * 1987-02-27 1988-09-21 Clecim Rolling mill having axially shifting rolls, and roll profile control method

Also Published As

Publication number Publication date
JP7100416B2 (en) 2022-07-13
JPWO2021079498A1 (en) 2021-04-29
CN113950383A (en) 2022-01-18
EP3981522A1 (en) 2022-04-13
EP3981522B1 (en) 2024-05-01
WO2021079498A1 (en) 2021-04-29
CN113950383B (en) 2023-08-29

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