WO2012061117A3 - Ultra-thin slab or thick-strip casting - Google Patents
Ultra-thin slab or thick-strip casting Download PDFInfo
- Publication number
- WO2012061117A3 WO2012061117A3 PCT/US2011/057651 US2011057651W WO2012061117A3 WO 2012061117 A3 WO2012061117 A3 WO 2012061117A3 US 2011057651 W US2011057651 W US 2011057651W WO 2012061117 A3 WO2012061117 A3 WO 2012061117A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- casting
- metal
- shell
- ultra
- roll
- Prior art date
Links
- 238000005266 casting Methods 0.000 title abstract 9
- 239000002184 metal Substances 0.000 abstract 5
- 229910052751 metal Inorganic materials 0.000 abstract 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000002355 dual-layer Substances 0.000 abstract 1
- 238000005058 metal casting Methods 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1243—Accessories for subsequent treating or working cast stock in situ for cooling by using cooling grids or cooling plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
A system of twin-roll casting an ultra-thin slab or thick-strip of metal with a liquid core still present inside the hollow shell of the casting as it exits the nip of the opposing counter rotating casting rolls. The wide sides of the cast shell are formed against a recessed casting surface on each roll and the narrow end walls of the shell are formed against the tapered ends of the recessed area so one half of the narrow end wall is formed on each roll and the two halves are joined together at the nip to form the full perimeter of the metal casting. A liquid-cooled copper mold liner provides continued support to each of the four sides of the casting below the twin-rolls and contact with those chilled copper mold liners continues to remove heat from the liquid core of the casting enabling the shell to continue growing in thickness. As the casting exits the mold it will be of adequate thickness to pass through opposing pairs of support rolls below the mold without bulging where water sprays can provide the additional cooling needed for final and complete solidification. A variation of this system uses one or more separating dams to cast different metals or different alloys of the same metal to integrally cast a dual-layer or multi-layer ultra-thin slab or thick strip of metal with a thin metal layer on one or both of the wide and narrow end casting surfaces.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40873610P | 2010-11-01 | 2010-11-01 | |
| US61/408,736 | 2010-11-01 | ||
| US13/186,851 US20120103555A1 (en) | 2010-11-01 | 2011-07-20 | Ultra-thin slab or thick-strip casting |
| US13/186,851 | 2011-07-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2012061117A2 WO2012061117A2 (en) | 2012-05-10 |
| WO2012061117A3 true WO2012061117A3 (en) | 2012-07-12 |
Family
ID=45995355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2011/057651 WO2012061117A2 (en) | 2010-11-01 | 2011-10-25 | Ultra-thin slab or thick-strip casting |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US20120103555A1 (en) |
| WO (1) | WO2012061117A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100674A (en) * | 2012-11-29 | 2013-05-15 | 一重集团大连设计研究院有限公司 | Combination-type side sealing device of horizontal double-roller continuous casting machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06590A (en) * | 1991-06-18 | 1994-01-11 | Hitachi Ltd | Twin roll continuous caster and method for cooling roll |
| JPH07185746A (en) * | 1993-12-28 | 1995-07-25 | Nippon Steel Corp | Twin roll type continuous casting apparatus |
| JPH0891654A (en) * | 1994-09-28 | 1996-04-09 | Nippon Steel Corp | Material feeding device, which can restrict meandering |
| JP2007523746A (en) * | 2003-06-24 | 2007-08-23 | ノベリス・インコーポレイテッド | Casting method for composite ingot |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2783695A (en) * | 1994-07-08 | 1996-02-09 | Ipsco Inc. | Stationary mold for use with twin-roll caster |
| US6374903B1 (en) * | 2000-09-11 | 2002-04-23 | Ag Industries, Inc. | System and process for optimizing cooling in continuous casting mold |
| JP4014593B2 (en) * | 2004-11-15 | 2007-11-28 | 三菱日立製鉄機械株式会社 | Twin roll type continuous casting machine and twin roll type continuous casting method |
| JP5255461B2 (en) * | 2009-01-09 | 2013-08-07 | 三菱日立製鉄機械株式会社 | Twin roll type continuous casting machine |
-
2011
- 2011-07-20 US US13/186,851 patent/US20120103555A1/en not_active Abandoned
- 2011-10-25 WO PCT/US2011/057651 patent/WO2012061117A2/en active Application Filing
-
2013
- 2013-04-22 US US13/867,587 patent/US20130240170A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06590A (en) * | 1991-06-18 | 1994-01-11 | Hitachi Ltd | Twin roll continuous caster and method for cooling roll |
| JPH07185746A (en) * | 1993-12-28 | 1995-07-25 | Nippon Steel Corp | Twin roll type continuous casting apparatus |
| JPH0891654A (en) * | 1994-09-28 | 1996-04-09 | Nippon Steel Corp | Material feeding device, which can restrict meandering |
| JP2007523746A (en) * | 2003-06-24 | 2007-08-23 | ノベリス・インコーポレイテッド | Casting method for composite ingot |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012061117A2 (en) | 2012-05-10 |
| US20120103555A1 (en) | 2012-05-03 |
| US20130240170A1 (en) | 2013-09-19 |
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