EP4212260A4 - Cold rolling method, cold rolling equipment, and cold-rolled steel sheet manufacturing method - Google Patents
Cold rolling method, cold rolling equipment, and cold-rolled steel sheet manufacturing method Download PDFInfo
- Publication number
- EP4212260A4 EP4212260A4 EP21866765.7A EP21866765A EP4212260A4 EP 4212260 A4 EP4212260 A4 EP 4212260A4 EP 21866765 A EP21866765 A EP 21866765A EP 4212260 A4 EP4212260 A4 EP 4212260A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- cold
- cold rolling
- steel sheet
- rolled steel
- sheet manufacturing
- 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
Links
- 238000005097 cold rolling Methods 0.000 title 2
- 239000010960 cold rolled steel Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- B21B37/58—Roll-force control; Roll-gap control
-
- 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
-
- 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
-
- 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
- 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
- B21B2001/221—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 by cold-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/12—Rolling load or rolling pressure; roll force
-
- 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
- B21B37/40—Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020152348 | 2020-09-10 | ||
| PCT/JP2021/032889 WO2022054806A1 (en) | 2020-09-10 | 2021-09-07 | Cold rolling method, cold rolling equipment, and cold-rolled steel sheet manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4212260A1 EP4212260A1 (en) | 2023-07-19 |
| EP4212260A4 true EP4212260A4 (en) | 2024-01-24 |
Family
ID=80631870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21866765.7A Pending EP4212260A4 (en) | 2020-09-10 | 2021-09-07 | Cold rolling method, cold rolling equipment, and cold-rolled steel sheet manufacturing method |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20240033795A1 (en) |
| EP (1) | EP4212260A4 (en) |
| JP (1) | JP7156557B2 (en) |
| KR (1) | KR20230039703A (en) |
| CN (1) | CN115968325A (en) |
| MX (1) | MX2023002879A (en) |
| WO (1) | WO2022054806A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0691309A (en) * | 1992-09-11 | 1994-04-05 | Nippon Steel Corp | Work roll and cold tandem mill using the same |
| JPH0788503A (en) * | 1993-09-24 | 1995-04-04 | Nippon Steel Corp | Method for cold rolling of metal, performing work roll shift in axial direction |
| JP2004058089A (en) * | 2002-07-29 | 2004-02-26 | Hitachi Ltd | Equipment and method for rolling cold-rolled steel strip |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2853070B2 (en) * | 1991-12-27 | 1999-02-03 | 日本鋼管株式会社 | Method of manufacturing thin plate for shadow mask |
| JPH08252618A (en) * | 1995-03-16 | 1996-10-01 | Kawasaki Steel Corp | Method for controlling edge drop and shape in cold rolling |
-
2021
- 2021-09-07 KR KR1020237005232A patent/KR20230039703A/en unknown
- 2021-09-07 EP EP21866765.7A patent/EP4212260A4/en active Pending
- 2021-09-07 CN CN202180051657.9A patent/CN115968325A/en active Pending
- 2021-09-07 WO PCT/JP2021/032889 patent/WO2022054806A1/en active Application Filing
- 2021-09-07 MX MX2023002879A patent/MX2023002879A/en unknown
- 2021-09-07 US US18/021,400 patent/US20240033795A1/en active Pending
- 2021-09-07 JP JP2021565792A patent/JP7156557B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0691309A (en) * | 1992-09-11 | 1994-04-05 | Nippon Steel Corp | Work roll and cold tandem mill using the same |
| JPH0788503A (en) * | 1993-09-24 | 1995-04-04 | Nippon Steel Corp | Method for cold rolling of metal, performing work roll shift in axial direction |
| JP2004058089A (en) * | 2002-07-29 | 2004-02-26 | Hitachi Ltd | Equipment and method for rolling cold-rolled steel strip |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2022054806A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4212260A1 (en) | 2023-07-19 |
| JPWO2022054806A1 (en) | 2022-03-17 |
| CN115968325A (en) | 2023-04-14 |
| US20240033795A1 (en) | 2024-02-01 |
| MX2023002879A (en) | 2023-03-24 |
| WO2022054806A1 (en) | 2022-03-17 |
| JP7156557B2 (en) | 2022-10-19 |
| KR20230039703A (en) | 2023-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20230308 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20240103 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: B21B 37/40 20060101ALI20231220BHEP Ipc: B21B 37/28 20060101AFI20231220BHEP |