WO2001017712A1 - Giesswalze - Google Patents
Giesswalze Download PDFInfo
- Publication number
- WO2001017712A1 WO2001017712A1 PCT/AT2000/000234 AT0000234W WO0117712A1 WO 2001017712 A1 WO2001017712 A1 WO 2001017712A1 AT 0000234 W AT0000234 W AT 0000234W WO 0117712 A1 WO0117712 A1 WO 0117712A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- casting
- casting roller
- core
- ring
- longitudinal direction
- Prior art date
Links
- 238000005266 casting Methods 0.000 title claims abstract description 83
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000009749 continuous casting Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 238000010276 construction Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 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
-
- 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
- B22D11/0637—Accessories therefor
- B22D11/0648—Casting surfaces
- B22D11/0651—Casting wheels
Definitions
- the invention relates to a casting roll for a thin strip casting system, in particular for the continuous casting of thin strips of steel, with an essentially cylindrical core, with a jacket made of copper or a copper alloy, which is optionally provided on the outside with at least one coating, with an internal cooling and with an adjusting device for adjusting the outer contour of the casting roll in its end face end regions.
- a casting roll of this type is known for example from EP-A - 0 664 173.
- Casting rolls of this type are used for the continuous casting of refractory metals, such as steel.
- two casting rolls of this type are arranged parallel to each other and rotated in opposite directions about their respective axes.
- the molten metal is poured into a gap defined between the casting rolls and cooled and solidified upon contact with the surfaces of the casting rolls provided with internal cooling and when passing through the gap, so that the metal emerges from the casting gap in the form of a substantially solidified strip.
- the strip thickness is determined by the width of the casting gap and the strip width by the length of the casting gap, which is delimited at the end by sealing surfaces abutting the end faces of the casting rolls.
- JP-A-60-27446 In order to reduce the roll crown occurring during continuous casting or to regulate the roll crown, it is known (JP-A-60-27446) to provide conically tapered pistons in the casting rolls. These conically tapered pistons are slidably inserted in two piston sliding spaces arranged in the opposite ends of the casting roll, so that the outer circumferential surface of the casting roll is deformed under the wedge effect of the conically tapered piston by shifting the conically tapered piston.
- the pistons depending on the position in the piston sliding spaces, exert forces on the casting roll, that is to say the jacket of the casting roll, at different points in the longitudinal direction of the casting roll, so that an exact compensation of the roll crown, if at all, only very much difficult is possible.
- the invention aims at avoiding these disadvantages and difficulties and has as its object to create a casting roll of the type described at the outset, with which it is possible to reduce or completely compensate for thermal crowning with structurally simple means.
- the casting roller should be robust enough for long-term operation and less prone to failure.
- the construction should be inexpensive to manufacture and ensure simple operation.
- the adjusting device on each end face end region of the casting roller has a support disc which is adjustable in the longitudinal direction of the casting roller and which is on the inside of a radially surrounding the support disc and on the jacket in each case on its end face end regions adjacent ring, which is fixed immovably in relation to the core in the longitudinal direction of the casting roll.
- a support disk is known per se from US-A-5,613,546 for a casting roll, but this support disk engages directly on the jacket of the casting roll and is not used to compensate for thermal conditions, but to center the jacket relative to the core.
- the ring is sealed both from the jacket and from the core by means of a seal.
- This ensures absolute tightness of the internal cooling of the casting roll.
- Such a tightness is not readily given, for example, in a construction according to JP-A-60-27446.
- the conically tapered pistons are provided inside the core and surrounded on the outside by the cooling system for the jacket. As a result, widening of the jacket by means of the pistons causes a radial displacement of the supply and discharge lines for the internal cooling of the jacket.
- the support disk is preferably provided on its outer circumferential surface with a truncated cone surface which bears against a counter-truncated cone surface which is provided on the ring on its inner circumferential surface.
- a structurally simple to manufacture and reliable embodiment is characterized in that for the adjustment of the support disk in the longitudinal direction of the casting roll, a plurality of screws are provided distributed around the outer circumference of the support disk, with which the support disk can be adjusted relative to the core, the screws advantageously being arranged on the core Blind holes are screwed.
- the support disks are adjusted before the start of casting.
- Another preferred embodiment is characterized in that the support disk is adjustable relative to the core in the longitudinal direction of the casting roll by means of an annular nut.
- the support disk can be hydraulically adjusted in relation to the core in the longitudinal direction of the casting roller.
- the ring expediently extends up to a maximum of 75 mm from the end region in the longitudinal direction of the casting roll to its center, preferably up to 50 mm, in particular up to
- the jacket preferably has a thickness of less than or equal to 50 mm in its end face regions in which there is contact with the ring.
- the steel drum 1 or the core 1 is provided with passages for an axially supply and discharge coolant.
- This core 1 is surrounded on the outside by a jacket 2 made of copper or a copper alloy, the thickness 3 of the jacket being between 40 and 45 mm.
- the jacket 2 has coolant channels 4 through which coolant flows on the inside, so that intensive heat dissipation via the jacket 2 is possible.
- the length of the casting roll is about 1 to 2 m, preferably casting rolls with lengths of 1100 to 1600 mm are currently being built.
- the jacket is provided with a nickel or chrome coating 5.
- This coating 5 also extends over the end faces 6 of the jacket.
- the front end regions 7 of the jacket 2 protrude beyond the steel drum or core 1 in the longitudinal direction of the casting roll, etc. by up to max. 75 mm, preferably less than 50 mm.
- a ring 8 bears on the inside of the jacket 2, a seal 10 being provided between the outside peripheral surface 9 of the ring 8 and the jacket 2, which is inserted into a peripheral groove 11 of the ring 8.
- the ring 8 is fixed by means of screws 12 in the axial direction of the casting roll on the core 1 and also sealed with respect to the core 1 by means of a seal 13, which is inserted into an annular groove 14 on an inner side surface 15 of the ring 8, so that coolant , which flows through the core 1 into the coolant channels 4 of the jacket 2 and in turn back into the core 1, is prevented from emerging from the casting roll.
- the inner circumferential side 16 of the ring 8 directed towards the axis of rotation is frustoconical, etc. tapering towards the center of the casting roll.
- annular support disk 17 On this truncated cone surface 16 there is an annular support disk 17 with an outer peripheral surface 18 which is also frustoconical, etc. opposite to the truncated cone surface 16 of the ring 8, is designed.
- This support disk 17 is in the illustrated embodiment by means of several screws 20 screwed into blind holes 19 of the core 1 in Axial direction of the casting roll adjustable, whereby there is an expansion of the ring 8 and thus an expansion of the front end region 7 of the jacket 2 to the desired extent.
- the screws 20 are provided in the vicinity of the outer circumference of the annular support disk 17 in order to avoid deflections or buckling of the support disk 17.
- a particular advantage of the construction according to the invention can be seen in the fact that an adjustment of the profile of the casting roll generators in dependence on the planned and / or current casting or solidification conditions is made possible, so that the respectively appropriate or still acceptable strip thickness cross profile in the edge area can be generated without requiring complex machining processes, such as turning and grinding.
- a very hard thin surface coating 5 e.g. a chrome layer on the jacket 2
- each cutting profile setting would also require a new coating of the jacket 2.
- system downtimes would also be necessary in order to be able to carry out the necessary casting roll changes.
- several pairs of casting rolls would have to be kept in stock. According to the invention, this results in lower investment and storage costs and a lower proportion of plant downtimes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
Claims
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00958036A EP1218127B1 (de) | 1999-09-06 | 2000-08-30 | Giesswalze |
JP2001521489A JP2003508228A (ja) | 1999-09-06 | 2000-08-30 | 鋳造ローラ |
KR1020027002984A KR20020063850A (ko) | 1999-09-06 | 2000-08-30 | 주조 롤러 |
DE50002926T DE50002926D1 (de) | 1999-09-06 | 2000-08-30 | Giesswalze |
DK00958036T DK1218127T3 (da) | 1999-09-06 | 2000-08-30 | Støbevalse |
BR0013795-2A BR0013795A (pt) | 1999-09-06 | 2000-08-30 | Cilindro de fundição |
MXPA02002348A MXPA02002348A (es) | 1999-09-06 | 2000-08-30 | Rodillo de fundicion. |
AT00958036T ATE245067T1 (de) | 1999-09-06 | 2000-08-30 | Giesswalze |
CA002383986A CA2383986A1 (en) | 1999-09-06 | 2000-08-30 | Casting roller |
AU69726/00A AU773091B2 (en) | 1999-09-06 | 2000-08-30 | Casting roller |
PL00355506A PL355506A1 (en) | 1999-09-06 | 2000-08-30 | Casting roller |
SK331-2002A SK3312002A3 (en) | 1999-09-06 | 2000-08-30 | Casting roller |
SI200030175T SI1218127T1 (en) | 1999-09-06 | 2000-08-30 | Casting roller |
UA2002042682A UA69487C2 (uk) | 1999-09-06 | 2000-08-30 | Ливарний валок |
US10/085,019 US6619375B2 (en) | 1999-09-06 | 2002-03-01 | Casting roll |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA1527/99 | 1999-09-06 | ||
AT0152799A AT408199B (de) | 1999-09-06 | 1999-09-06 | Giesswalze |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/085,019 Continuation US6619375B2 (en) | 1999-09-06 | 2002-03-01 | Casting roll |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001017712A1 true WO2001017712A1 (de) | 2001-03-15 |
Family
ID=3515499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2000/000234 WO2001017712A1 (de) | 1999-09-06 | 2000-08-30 | Giesswalze |
Country Status (22)
Country | Link |
---|---|
US (1) | US6619375B2 (de) |
EP (1) | EP1218127B1 (de) |
JP (1) | JP2003508228A (de) |
KR (1) | KR20020063850A (de) |
CN (1) | CN1372498A (de) |
AT (1) | AT408199B (de) |
AU (1) | AU773091B2 (de) |
BR (1) | BR0013795A (de) |
CA (1) | CA2383986A1 (de) |
CZ (1) | CZ2002821A3 (de) |
DE (1) | DE50002926D1 (de) |
DK (1) | DK1218127T3 (de) |
ES (1) | ES2203507T3 (de) |
MX (1) | MXPA02002348A (de) |
PL (1) | PL355506A1 (de) |
RU (1) | RU2229954C2 (de) |
SK (1) | SK3312002A3 (de) |
TR (1) | TR200200574T2 (de) |
TW (1) | TW470676B (de) |
UA (1) | UA69487C2 (de) |
WO (1) | WO2001017712A1 (de) |
ZA (1) | ZA200201805B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1122004A1 (de) * | 2000-02-01 | 2001-08-08 | Officine Meccaniche Bruno Presezzi S.r.l. | Stranggiesswalze |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10202523B4 (de) * | 2002-01-24 | 2006-03-02 | Fag Kugelfischer Ag & Co. Ohg | Wälzlageranordnung für Rollen in Stranggießanlagen |
US8607848B2 (en) * | 2008-08-05 | 2013-12-17 | Nucor Corporation | Method for casting metal strip with dynamic crown control |
KR101050804B1 (ko) * | 2009-09-17 | 2011-07-20 | 주식회사 포스코 | 괴성체 제조 장치 및 이를 포함하는 용철제조장치 |
US8505611B2 (en) | 2011-06-10 | 2013-08-13 | Castrip, Llc | Twin roll continuous caster |
CN107081410A (zh) * | 2017-04-25 | 2017-08-22 | 王宇 | 一种旋转冷却辊及其冷却方法 |
CN110000350A (zh) * | 2019-05-21 | 2019-07-12 | 一重集团大连工程技术有限公司 | 一种铸轧结晶辊 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60127007A (ja) * | 1983-12-14 | 1985-07-06 | Kawasaki Steel Corp | スリ−ブロ−ルを備えた板材圧延装置 |
DE3839110A1 (de) * | 1987-11-19 | 1989-06-01 | Hitachi Ltd | Zwillingswalzen-stranggiesseinrichtung |
EP0664173A1 (de) * | 1994-01-24 | 1995-07-26 | Mitsubishi Jukogyo Kabushiki Kaisha | Doppelrollen Stranggiessvorrichtung und -verfahren |
US5613546A (en) * | 1993-10-27 | 1997-03-25 | Usinor-Sacilor Societe Anonyme | Casting roll for an installation for continuously casting on one or between two rolls |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6027446A (ja) * | 1983-07-22 | 1985-02-12 | Ishikawajima Harima Heavy Ind Co Ltd | 鋳造用ロ−ル |
JPH0787970B2 (ja) * | 1988-07-28 | 1995-09-27 | 日新製鋼株式会社 | 薄板連鋳機 |
DE3836886A1 (de) * | 1988-10-29 | 1990-05-03 | Wiegard Gustav Maschbau | Fluessigkeitsgekuehlte rolle fuer stranggussanlagen |
JPH03142008A (ja) * | 1989-10-27 | 1991-06-17 | Sumitomo Metal Ind Ltd | クラウン調整ロール |
FR2672523B1 (fr) * | 1991-02-13 | 1995-04-21 | Usinor Sacilor | Virole de cylindre de coulee continue. |
AUPN053695A0 (en) * | 1995-01-13 | 1995-02-09 | Bhp Steel (Jla) Pty Limited | Casting roll |
FR2745510B1 (fr) * | 1996-02-29 | 1998-05-22 | Usinor Sacilor | Cylindre de coulee d'une installation de coulee continue sur un ou entre deux cylindres |
-
1999
- 1999-09-06 AT AT0152799A patent/AT408199B/de not_active IP Right Cessation
-
2000
- 2000-08-30 CN CN00812497A patent/CN1372498A/zh active Pending
- 2000-08-30 UA UA2002042682A patent/UA69487C2/uk unknown
- 2000-08-30 SK SK331-2002A patent/SK3312002A3/sk unknown
- 2000-08-30 MX MXPA02002348A patent/MXPA02002348A/es not_active Application Discontinuation
- 2000-08-30 JP JP2001521489A patent/JP2003508228A/ja not_active Withdrawn
- 2000-08-30 BR BR0013795-2A patent/BR0013795A/pt active Search and Examination
- 2000-08-30 CZ CZ2002821A patent/CZ2002821A3/cs unknown
- 2000-08-30 CA CA002383986A patent/CA2383986A1/en not_active Abandoned
- 2000-08-30 DK DK00958036T patent/DK1218127T3/da active
- 2000-08-30 WO PCT/AT2000/000234 patent/WO2001017712A1/de not_active Application Discontinuation
- 2000-08-30 KR KR1020027002984A patent/KR20020063850A/ko not_active Application Discontinuation
- 2000-08-30 DE DE50002926T patent/DE50002926D1/de not_active Expired - Lifetime
- 2000-08-30 ES ES00958036T patent/ES2203507T3/es not_active Expired - Lifetime
- 2000-08-30 AU AU69726/00A patent/AU773091B2/en not_active Ceased
- 2000-08-30 PL PL00355506A patent/PL355506A1/xx unknown
- 2000-08-30 EP EP00958036A patent/EP1218127B1/de not_active Expired - Lifetime
- 2000-08-30 RU RU2002108703/02A patent/RU2229954C2/ru not_active IP Right Cessation
- 2000-08-30 TR TR2002/00574T patent/TR200200574T2/xx unknown
- 2000-09-01 TW TW089117917A patent/TW470676B/zh not_active IP Right Cessation
-
2002
- 2002-03-01 US US10/085,019 patent/US6619375B2/en not_active Expired - Fee Related
- 2002-03-05 ZA ZA200201805A patent/ZA200201805B/xx unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60127007A (ja) * | 1983-12-14 | 1985-07-06 | Kawasaki Steel Corp | スリ−ブロ−ルを備えた板材圧延装置 |
DE3839110A1 (de) * | 1987-11-19 | 1989-06-01 | Hitachi Ltd | Zwillingswalzen-stranggiesseinrichtung |
US5613546A (en) * | 1993-10-27 | 1997-03-25 | Usinor-Sacilor Societe Anonyme | Casting roll for an installation for continuously casting on one or between two rolls |
EP0664173A1 (de) * | 1994-01-24 | 1995-07-26 | Mitsubishi Jukogyo Kabushiki Kaisha | Doppelrollen Stranggiessvorrichtung und -verfahren |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 009, no. 286 (M - 429) 13 November 1985 (1985-11-13) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1122004A1 (de) * | 2000-02-01 | 2001-08-08 | Officine Meccaniche Bruno Presezzi S.r.l. | Stranggiesswalze |
Also Published As
Publication number | Publication date |
---|---|
EP1218127B1 (de) | 2003-07-16 |
US20020112841A1 (en) | 2002-08-22 |
CZ2002821A3 (cs) | 2002-08-14 |
KR20020063850A (ko) | 2002-08-05 |
RU2229954C2 (ru) | 2004-06-10 |
CN1372498A (zh) | 2002-10-02 |
AT408199B (de) | 2001-09-25 |
DE50002926D1 (de) | 2003-08-21 |
DK1218127T3 (da) | 2003-11-10 |
UA69487C2 (uk) | 2004-09-15 |
ES2203507T3 (es) | 2004-04-16 |
US6619375B2 (en) | 2003-09-16 |
ZA200201805B (en) | 2002-12-24 |
PL355506A1 (en) | 2004-05-04 |
ATA152799A (de) | 2001-02-15 |
CA2383986A1 (en) | 2001-03-15 |
MXPA02002348A (es) | 2002-08-12 |
AU773091B2 (en) | 2004-05-13 |
AU6972600A (en) | 2001-04-10 |
EP1218127A1 (de) | 2002-07-03 |
BR0013795A (pt) | 2002-05-14 |
TW470676B (en) | 2002-01-01 |
JP2003508228A (ja) | 2003-03-04 |
TR200200574T2 (tr) | 2002-09-23 |
SK3312002A3 (en) | 2002-12-03 |
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