EP4019156A4 - Rolling mill, method for manufacturing rolling mill, and method for modifying rolling mill - Google Patents

Rolling mill, method for manufacturing rolling mill, and method for modifying rolling mill Download PDF

Info

Publication number
EP4019156A4
EP4019156A4 EP20930355.1A EP20930355A EP4019156A4 EP 4019156 A4 EP4019156 A4 EP 4019156A4 EP 20930355 A EP20930355 A EP 20930355A EP 4019156 A4 EP4019156 A4 EP 4019156A4
Authority
EP
European Patent Office
Prior art keywords
rolling mill
modifying
manufacturing
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
EP20930355.1A
Other languages
German (de)
French (fr)
Other versions
EP4019156A1 (en
EP4019156B1 (en
Inventor
Kenji Horii
Akio Kuroda
Tatsunori Sugimoto
Akira Sako
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 EP4019156A1 publication Critical patent/EP4019156A1/en
Publication of EP4019156A4 publication Critical patent/EP4019156A4/en
Application granted granted Critical
Publication of EP4019156B1 publication Critical patent/EP4019156B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B29/00Counter-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B13/00Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14Metal-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
    • B21B13/142Metal-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2269/00Roll bending or shifting
    • B21B2269/02Roll bending; vertical bending of rolls
    • B21B2269/04Work roll bending
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2269/00Roll bending or shifting
    • B21B2269/12Axial shifting the rolls
    • B21B2269/14Work rolls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16Adjusting or positioning rolls
    • B21B31/18Adjusting or positioning rolls by moving rolls axially
EP20930355.1A 2020-04-07 2020-04-07 Rolling mill, method for manufacturing rolling mill, and method for modifying rolling mill Active EP4019156B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/015731 WO2021205548A1 (en) 2020-04-07 2020-04-07 Rolling mill, method for manufacturing rolling mill, and method for modifying rolling mill

Publications (3)

Publication Number Publication Date
EP4019156A1 EP4019156A1 (en) 2022-06-29
EP4019156A4 true EP4019156A4 (en) 2022-08-31
EP4019156B1 EP4019156B1 (en) 2023-12-13

Family

ID=78022545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20930355.1A Active EP4019156B1 (en) 2020-04-07 2020-04-07 Rolling mill, method for manufacturing rolling mill, and method for modifying rolling mill

Country Status (3)

Country Link
EP (1) EP4019156B1 (en)
CN (1) CN114340811A (en)
WO (1) WO2021205548A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4308743A1 (en) * 1993-03-19 1994-09-22 Schloemann Siemag Ag Rolling stand
US6164111A (en) * 1998-10-19 2000-12-26 Voest-Alpine Indstrieanlagenbau Gmbh Bending device for two working rolls of a roll stand
EP1294499A1 (en) * 2000-06-30 2003-03-26 SMS Demag Aktiengesellschaft Roll stand, especially a duo or quarto roll stand, comprising bending and balancing devices for axially displaceable rollers
DE60023188T2 (en) * 2000-03-01 2006-07-13 Hitachi, Ltd. ROLLING AND TANDEM ROLLING PLANT FOR HOT ROLLING

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615322A (en) * 1992-07-03 1994-01-25 Sumitomo Metal Ind Ltd Sheet crown control method at time of hot rolling
JP4333231B2 (en) * 2003-06-26 2009-09-16 Jfeスチール株式会社 Rolling mill and rolling method
JP5742703B2 (en) * 2010-12-27 2015-07-01 新日鐵住金株式会社 Metal plate rolling machine and rolling method
BR112012027654B1 (en) * 2011-09-20 2018-03-13 Mitsubishi-Hitachi Metals Machinery, Inc. COLD LAMINATOR FOR LAMINATING A STEEL STRIP, TANDEM LAMINATION AND INVERTER LAMINATION SYSTEMS, AND METHODS FOR MODIFYING A COLD LAMINATOR AND OPERATING SYSTEM

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4308743A1 (en) * 1993-03-19 1994-09-22 Schloemann Siemag Ag Rolling stand
US6164111A (en) * 1998-10-19 2000-12-26 Voest-Alpine Indstrieanlagenbau Gmbh Bending device for two working rolls of a roll stand
DE60023188T2 (en) * 2000-03-01 2006-07-13 Hitachi, Ltd. ROLLING AND TANDEM ROLLING PLANT FOR HOT ROLLING
EP1294499A1 (en) * 2000-06-30 2003-03-26 SMS Demag Aktiengesellschaft Roll stand, especially a duo or quarto roll stand, comprising bending and balancing devices for axially displaceable rollers

Also Published As

Publication number Publication date
EP4019156A1 (en) 2022-06-29
EP4019156B1 (en) 2023-12-13
CN114340811A (en) 2022-04-12
WO2021205548A1 (en) 2021-10-14

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