EP4277756C0 - Walzen mit minimierung des einbruchs der biegekraft beim anstich - Google Patents

Walzen mit minimierung des einbruchs der biegekraft beim anstich

Info

Publication number
EP4277756C0
EP4277756C0 EP22700615.2A EP22700615A EP4277756C0 EP 4277756 C0 EP4277756 C0 EP 4277756C0 EP 22700615 A EP22700615 A EP 22700615A EP 4277756 C0 EP4277756 C0 EP 4277756C0
Authority
EP
European Patent Office
Prior art keywords
minimization
rolls
drop
opening
bending force
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.)
Active
Application number
EP22700615.2A
Other languages
English (en)
French (fr)
Other versions
EP4277756B1 (de
EP4277756A1 (de
Inventor
Andreas Hollaus
Matthias Kurz
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 Germany GmbH
Original Assignee
Primetals Technologies Germany GmbH
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 Germany GmbH filed Critical Primetals Technologies Germany GmbH
Publication of EP4277756A1 publication Critical patent/EP4277756A1/de
Application granted granted Critical
Publication of EP4277756B1 publication Critical patent/EP4277756B1/de
Publication of EP4277756C0 publication Critical patent/EP4277756C0/de
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
    • 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
    • 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
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/025—Quarto, four-high stands
    • 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
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/028—Sixto, six-high stands
    • 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
    • B21B2269/04—Work roll bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/06—Threading
    • B21B2273/08—Threading-in or before threading-in
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/12—End of product
    • B21B2273/14—Front end or leading end

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
EP22700615.2A 2021-01-18 2022-01-13 Walzen mit minimierung des einbruchs der biegekraft beim anstich Active EP4277756B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21152081.2A EP4029618A1 (de) 2021-01-18 2021-01-18 Walzen mit minimierung des einbruchs der biegekraft beim anstich
PCT/EP2022/050610 WO2022152781A1 (de) 2021-01-18 2022-01-13 Walzen mit minimierung des einbruchs der biegekraft beim anstich

Publications (3)

Publication Number Publication Date
EP4277756A1 EP4277756A1 (de) 2023-11-22
EP4277756B1 EP4277756B1 (de) 2025-03-12
EP4277756C0 true EP4277756C0 (de) 2025-03-12

Family

ID=74187150

Family Applications (2)

Application Number Title Priority Date Filing Date
EP21152081.2A Withdrawn EP4029618A1 (de) 2021-01-18 2021-01-18 Walzen mit minimierung des einbruchs der biegekraft beim anstich
EP22700615.2A Active EP4277756B1 (de) 2021-01-18 2022-01-13 Walzen mit minimierung des einbruchs der biegekraft beim anstich

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP21152081.2A Withdrawn EP4029618A1 (de) 2021-01-18 2021-01-18 Walzen mit minimierung des einbruchs der biegekraft beim anstich

Country Status (5)

Country Link
US (1) US20240075508A1 (de)
EP (2) EP4029618A1 (de)
JP (1) JP7622236B2 (de)
CN (1) CN116723901B (de)
WO (1) WO2022152781A1 (de)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750207A (en) * 1980-09-09 1982-03-24 Sumitomo Metal Ind Ltd Controlling method for timing control in controlling roll bending
JPS5961512A (ja) * 1982-09-30 1984-04-07 Ishikawajima Harima Heavy Ind Co Ltd 圧延材の蛇行防止方法
JPS59156509A (ja) * 1983-02-25 1984-09-05 Mitsubishi Heavy Ind Ltd ワ−クロ−ルベンデイング装置
JPS6133707A (ja) * 1984-07-25 1986-02-17 Hitachi Ltd 圧延機
JPS6188910A (ja) * 1984-10-08 1986-05-07 Nippon Steel Corp ワ−クロ−ルベンダ−適応制御による板クラウン制御方法
JPS61140313A (ja) * 1984-12-14 1986-06-27 Ishikawajima Harima Heavy Ind Co Ltd ロ−ルベンデイング制御方法
JPH05269516A (ja) * 1992-03-24 1993-10-19 Kawasaki Steel Corp 厚板圧延の形状制御方法
DE4331261C2 (de) * 1992-10-15 1995-04-20 Achenbach Buschhuetten Gmbh Walzgerüst
JPH08215730A (ja) * 1995-02-21 1996-08-27 Nippon Steel Corp 板圧延機ロールベンディング装置及び板圧延方法
DE102006059709A1 (de) * 2006-12-18 2008-06-19 Siemens Ag Walzverfahren für ein Band
JP6252500B2 (ja) 2015-01-15 2017-12-27 Ｊｆｅスチール株式会社 厚板圧延における板厚制御方法
CN210586367U (zh) * 2019-08-22 2020-05-22 佛山市金银河智能装备股份有限公司 一种多级连轧四辊辊轧装置

Also Published As

Publication number Publication date
JP7622236B2 (ja) 2025-01-27
JP2024503871A (ja) 2024-01-29
EP4277756B1 (de) 2025-03-12
CN116723901A (zh) 2023-09-08
CN116723901B (zh) 2025-12-02
US20240075508A1 (en) 2024-03-07
WO2022152781A1 (de) 2022-07-21
EP4029618A1 (de) 2022-07-20
EP4277756A1 (de) 2023-11-22

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