EP0535368B1 - Verfahren und Anlage zur Herstellung von Stahlband - Google Patents
Verfahren und Anlage zur Herstellung von Stahlband Download PDFInfo
- Publication number
- EP0535368B1 EP0535368B1 EP92114594A EP92114594A EP0535368B1 EP 0535368 B1 EP0535368 B1 EP 0535368B1 EP 92114594 A EP92114594 A EP 92114594A EP 92114594 A EP92114594 A EP 92114594A EP 0535368 B1 EP0535368 B1 EP 0535368B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel strip
- strand
- rollers
- thickness
- deformation
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009749 continuous casting Methods 0.000 title description 3
- 239000002184 metal Substances 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 229910001208 Crucible steel Inorganic materials 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 210000003746 feather Anatomy 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
- B21B1/466—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 metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
-
- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
- B21B1/463—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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- 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
- B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/14—Soft reduction
Definitions
- the invention relates to a method for producing steel strip, wherein a continuously cast steel strip, which consists of a solidified strand shell and a liquid core, is reduced in thickness in a roll deformation and then rolled.
- the thickness of the strand shell formed essentially depends on the casting speed.
- the rolling force must be adapted to the current strand shell thicknesses. If the casting speed is too low, the available rolling force is no longer sufficient, so that the target thickness of the steel strip produced is exceeded. If the casting speeds are too high, welding of the strand shells can only be achieved by falling below the target thickness of the steel strip produced.
- the object of the invention is to provide a method and a system for carrying out the method, undesired thickness deviations of the steel strip produced being avoided and a good structure being achieved.
- the aim is to simplify the deformation unit and to reduce its energy consumption.
- the object is achieved according to the invention in that a steel strip strand of 40-80 mm thickness is cast, the steel strip strand is roll-deformed to a maximum of 15-40 mm thickness and 2-15 mm residual liquid core in a maximum of three stages, and then the steel strip strand is solidified is guided without deformation.
- casting speed and strip thickness can be freely assigned to each other to achieve high production performance.
- a core-tight and segregation-free structure is achieved.
- the reduction in the contact force of the deformation unit results in a structural simplification and an energy saving.
- the thickness of the strand shell is advantageously 6-19 mm before the roll deformation.
- the degree of roll deformation is 10-60% and can be changed during the casting.
- the roll-formed strand is guided in parallel over a length of 1 - 5 m.
- the steel strip After solidification, the steel strip is set to the rolling temperature and rolled.
- a maximum of three pairs of deforming rollers are arranged downstream of a solidification section consisting of support rollers and a drive device.
- the shaping rollers and / or support rollers are provided with a mechanical positioning device and a hydraulic pressing device.
- the steel strip 1 consists of a mold 1 for casting a steel strip strand 2 of 40-80 mm thickness, a pair of deforming rollers 5, guide rollers 7 and drive rollers 8.
- a bending roller 9 is provided for deflecting the steel strip.
- the steel strip 2 'then passes into a driving straightening device 10 and can be divided by scissors 11. To adjust the temperature, the steel strip sections then pass through a furnace 12, which is followed by a further pair of scissors 13 and a descaling device 14.
- a Steckel rolling mill arranged in the material flow consists of a roll stand 15 with upstream or downstream reel furnaces 16, 17.
- the rolling strip 2 ′′ leaving the Steckel rolling mill passes through a laminar cooling section 18 and is then wound up on a reel 19.
- Figures 2-4 of the drawing show the manufacturing steps of the steel strip 2, 2 'in the continuous casting plant.
- a cast strand 2 with a liquid core 4 is formed in the mold 1 by cooling and solidifying the strand shell 3 from the cast steel melt.
- the strand shells 3 located on the broad broad sides are reduced in their mutual spacing by the deforming rollers 5 (6) provided with internal cooling 35. In this way, a strand of 15-40 mm thickness with 2-15 mm residual liquid core 4 is produced.
- the roll-shaped casting strand 2 is guided between the roller tracks formed from guide rollers 7 without deformation, which leads to solidification.
- the strand conveyance is effected by the drive rollers 8.
- the casting strand 2 is roll-formed in one step between a pair of shaping rollers 5.
- a two-stage roll deformation takes place between the deforming roller pairs 5 and 6.
- a two- or three-stage roll deformation is advantageous for steels that do not allow a high deformation rate or a high deformation level.
- the casting strand below the mold is first guided without deformation between support rollers 21 to set a quality-specific temperature.
- the support rollers 21 and the guide rollers 7 have internal cooling 22 and 23, respectively.
- the deforming rollers 5 are interposed several times, the bearings 24, 25 being fastened to cross members 27, 28 which are guided on stands 26 on opposite sides.
- spindle gear 29 are attached to the stands.
- the spindle gears 29 connected to a motor 30 each have a threaded spindle 31 in the direction of the cross members 27, 28.
- a spacer nut 32 screwed onto a threaded spindle 31 is secured against rotation by a feather key 33.
- Each spacer nut 32 is assigned a stop plate 34 on the cross members 27, 28.
- the crossbeams 27, 28 are pulled towards one another by adjusting cylinders 36, each with a pull rod 36a, their mutual spacing and thus the spacing of the deforming rollers 5 being determined by the spacer nuts 32 set by the spindle gear 29. In this way it is achieved that the pair of deforming rollers 5 with a distance adjustment to the mold space of the mold 1st stays centered. Appropriate storage and adjustment is provided for further pairs of deforming rollers 6 (FIG. 3).
- the guide rollers 7 are also temporarily stored several times, the bearings 37, 38 being mounted on frames 39, 40.
- the frames 39, 40 are guided on stands 41 on both sides.
- spindle gear 42 As a positioning device for the frames 39, 40 and guide rollers 7 41 spindle gear 42 are attached to the stands.
- the spindle gears 42 connected to a motor 43 each have a threaded spindle 44 in the direction of the frames 39, 40.
- Each spacer nut 45 screwed onto a threaded spindle 44 is secured against rotation by a feather key 46.
- Each spacer nut 45 is assigned a stop plate 47 on the frames 39, 40.
- the frames 39, 40 are pulled towards one another by adjusting cylinders 48, each with a pull rod 48a, their mutual spacing and thus the spacing of the guide rollers 7 being determined by the spacer nuts 45 set by the spindle gear 42. In this way it is achieved that the guide rollers 7 remain aligned with the corresponding deforming rollers 5 when the distance is adjusted.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4131116 | 1991-09-19 | ||
DE4131116 | 1991-09-19 | ||
DE4135214 | 1991-10-25 | ||
DE4135214A DE4135214C2 (de) | 1991-09-19 | 1991-10-25 | Verfahren und Anlage zur Herstellung von Stahlband |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0535368A1 EP0535368A1 (de) | 1993-04-07 |
EP0535368B1 true EP0535368B1 (de) | 1996-06-05 |
Family
ID=25907454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92114594A Expired - Lifetime EP0535368B1 (de) | 1991-09-19 | 1992-08-27 | Verfahren und Anlage zur Herstellung von Stahlband |
Country Status (8)
Country | Link |
---|---|
US (2) | US5339887A (zh) |
EP (1) | EP0535368B1 (zh) |
JP (1) | JP3113410B2 (zh) |
CN (1) | CN1039290C (zh) |
AT (1) | ATE138835T1 (zh) |
CA (1) | CA2078582C (zh) |
ES (1) | ES2089317T3 (zh) |
RU (1) | RU2053859C1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1108484A1 (de) * | 1999-12-15 | 2001-06-20 | SMS Demag AG | Verfahren zur Formatdickenänderung des Gussstranges unterhalb der Kokille einer Stranggiessanlage |
US6308769B1 (en) | 1997-11-21 | 2001-10-30 | Sms Schloemann-Siemag Aktiengesellschaft | Continuous casting plant for casting slabs with a continuous casting mold and a strand guiding unit composed of rollers |
WO2016165933A1 (de) | 2015-04-15 | 2016-10-20 | Sms Group Gmbh | GIEß-WALZ-ANLAGE UND VERFAHREN ZU DEREN BETRIEB |
DE102015210865A1 (de) | 2015-05-06 | 2016-11-10 | Sms Group Gmbh | Gieß-Walz-Anlage und Verfahren zu deren Betrieb |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4338805C2 (de) * | 1993-11-12 | 1995-10-26 | Schloemann Siemag Ag | Verfahren und Vorrichtung zum Betreiben einer Stranggießanlage |
DE19515937C2 (de) * | 1994-05-02 | 2001-07-19 | Siemens Ag | Bandgieß-Walzanlage |
DE19849603C2 (de) * | 1997-11-21 | 2002-11-07 | Sms Demag Ag | Verfahren und Stranggießanlage zum Gießen von Brammen mit einer Durchlaufkokille und einer Strangführung aus Rollen |
AT410522B (de) | 2001-05-07 | 2003-05-26 | Hulek Anton | Verfahren und stranggiessanlage zum vertikalen stranggiessen eines stahlbandes |
DE10302265A1 (de) * | 2003-01-22 | 2004-07-29 | Sms Demag Ag | Verfahren und Vorrichtung zur Erzeugung von stranggegossenen Stahlbrammen |
US7137434B1 (en) * | 2004-01-14 | 2006-11-21 | Savariego Samuel F | Continuous roll casting of ferrous and non-ferrous metals |
DE102007005778A1 (de) * | 2006-03-09 | 2007-09-13 | Sms Demag Ag | Stranggießanlage und Verfahren zum Betreiben einer Stranggießanlage |
ITRM20070150A1 (it) * | 2007-03-21 | 2008-09-22 | Danieli Off Mecc | Processo e impianto per la produzione di nastro metallico |
IT1405344B1 (it) * | 2010-06-14 | 2014-01-03 | Danieli Off Mecc | Linea di laminazione e relativo procedimento |
CN102554169B (zh) * | 2012-03-15 | 2013-12-18 | 中冶连铸技术工程股份有限公司 | 一种板坯轻压下***安全控制方法和装置 |
JP5742867B2 (ja) * | 2013-04-10 | 2015-07-01 | トヨタ自動車株式会社 | 引上式連続鋳造装置及び引上式連続鋳造方法 |
DE102013214939A1 (de) * | 2013-07-30 | 2015-02-05 | Sms Siemag Ag | Gießwalzanlage zum Herstellen von Metallbändern |
CN104415973B (zh) * | 2013-08-28 | 2016-03-30 | 中冶东方工程技术有限公司秦皇岛研究设计院 | 一种铸轧一体化轧制速度控制方法 |
RU2643003C1 (ru) | 2013-12-26 | 2018-01-29 | Поско | Устройство и способ непрерывного литья и прокатки стального листа |
CN104148387B (zh) * | 2014-07-11 | 2016-05-04 | 中冶东方工程技术有限公司 | 一种连铸热芯轧制方法 |
CN104084429B (zh) * | 2014-07-11 | 2015-09-23 | 中冶东方工程技术有限公司 | 一种液芯大压下轧制压下量控制方法 |
KR101736574B1 (ko) | 2015-06-04 | 2017-05-17 | 주식회사 포스코 | 응고 장치 |
EP3338914A1 (de) * | 2016-12-22 | 2018-06-27 | Primetals Technologies Austria GmbH | Verfahren zur endlosen herstellung eines aufgewickelten warmbands in einer giess-walz-verbundanlage, verfahren zum anfahren einer giess-walz-verbundanlage und giess-walz-verbundanlage |
IT201800006563A1 (it) * | 2018-06-21 | 2019-12-21 | Impianto e procedimento per la produzione di un nastro metallico laminato a caldo |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1087154A (en) * | 1964-07-27 | 1967-10-11 | British Iron Steel Research | Improvements in and relating to the production of metal strip |
AT266362B (de) * | 1966-04-22 | 1968-11-11 | Boehler & Co Ag Geb | Verfahren und Vorrichtung zur Herstellung von streckverformten Erzeugnissen aus hochschmelzenden Metallen, insbesondere aus unlegierten oder legierten Stählen mit verbesserten Qualitätseigenschaften |
AT284043B (de) * | 1966-12-06 | 1970-08-25 | Boehler & Co Ag Geb | Verfahren zur Regelung der Arbeitsbedingungen bei der Herstellung von Walzprodukten aus Stranggußerzeugnissen aus hochschmelzenden Metallen, insbesondere aus unlegierten und legierten Stählen |
AT298714B (de) * | 1970-09-04 | 1972-05-25 | Voest Ag | Verfahren zur Behandlung von Gußsträngen in Stranggießanlagen |
US4519439A (en) * | 1977-07-26 | 1985-05-28 | Jernjontoret | Method of preventing formation of segregations during continuous casting |
US4815520A (en) * | 1980-10-27 | 1989-03-28 | Wuetig Fred H | Method and apparatus for continuously casting metal |
US4540037A (en) * | 1982-09-27 | 1985-09-10 | Concast Ag | Method and apparatus for bidirectional horizontal continuous casing |
JPS5997747A (ja) * | 1982-11-25 | 1984-06-05 | Nippon Steel Corp | 連続鋳造法による超薄手スラブの製造方法 |
JPS61132247A (ja) * | 1984-11-30 | 1986-06-19 | Kawasaki Steel Corp | 連続鋳造方法 |
JPS62252647A (ja) * | 1986-04-24 | 1987-11-04 | Ishikawajima Harima Heavy Ind Co Ltd | 金属片連続製造方法及び装置 |
DE3627991A1 (de) * | 1986-08-18 | 1988-02-25 | Mannesmann Ag | Verfahren zum stranggiessen von brammen und einrichtung zur durchfuehrung des verfahrens |
ES2032620T3 (es) * | 1987-04-13 | 1993-02-16 | Thyssen Stahl Aktiengesellschaft | Instalacion para la fabricacion de una cinta de acero con un espesor de 2 a 25 mm mediante conformado de una barra de acero fundido. |
JPS63286260A (ja) * | 1987-05-19 | 1988-11-22 | Nkk Corp | 軽圧下鋳造方法 |
JPH01271047A (ja) * | 1988-04-20 | 1989-10-30 | Sumitomo Metal Ind Ltd | 連続鋳造機における軽圧下方法 |
DE3818077A1 (de) * | 1988-05-25 | 1989-11-30 | Mannesmann Ag | Verfahren zum kontinuierlichen giesswalzen |
DE3907905C2 (de) * | 1988-07-04 | 1999-01-21 | Mannesmann Ag | Stranggießverfahren |
DE3823861A1 (de) * | 1988-07-14 | 1990-01-18 | Thyssen Stahl Ag | Verfahren und anlage zum herstellen eines stahlbandes mit einer dicke von weniger als 10 mm |
JPH02263551A (ja) * | 1989-04-04 | 1990-10-26 | Sumitomo Metal Ind Ltd | 薄鋳片の連続鋳造方法及びその装置 |
FR2645463B1 (fr) * | 1989-04-06 | 1991-05-31 | Techmetal Promotion | Procede et installation de coulee de produits metalliques minces |
FR2647377B1 (fr) * | 1989-04-06 | 1993-04-30 | Techmetal Promotion | Procede et installation de coulee de produits metalliques minces a reduction d'epaisseur sous la lingotiere |
JPH03124352A (ja) * | 1989-10-09 | 1991-05-27 | Kobe Steel Ltd | 内部品質に優れた連続鋳造鋳片の製造方法 |
DE4010966A1 (de) * | 1990-04-05 | 1991-10-10 | Schloemann Siemag Ag | Vorrichtung zur stuetzung eines metallgiessstranges, insbesondere zur weichreduktion bei einer vorband-giessanlage |
-
1992
- 1992-08-27 EP EP92114594A patent/EP0535368B1/de not_active Expired - Lifetime
- 1992-08-27 ES ES92114594T patent/ES2089317T3/es not_active Expired - Lifetime
- 1992-08-27 AT AT92114594T patent/ATE138835T1/de not_active IP Right Cessation
- 1992-09-16 JP JP04246604A patent/JP3113410B2/ja not_active Expired - Fee Related
- 1992-09-18 US US07/947,708 patent/US5339887A/en not_active Expired - Lifetime
- 1992-09-18 CA CA002078582A patent/CA2078582C/en not_active Expired - Fee Related
- 1992-09-18 RU SU925052482A patent/RU2053859C1/ru active
- 1992-09-19 CN CN92111079A patent/CN1039290C/zh not_active Expired - Fee Related
-
1994
- 1994-06-24 US US08/265,333 patent/US5400850A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6308769B1 (en) | 1997-11-21 | 2001-10-30 | Sms Schloemann-Siemag Aktiengesellschaft | Continuous casting plant for casting slabs with a continuous casting mold and a strand guiding unit composed of rollers |
EP1108484A1 (de) * | 1999-12-15 | 2001-06-20 | SMS Demag AG | Verfahren zur Formatdickenänderung des Gussstranges unterhalb der Kokille einer Stranggiessanlage |
US6533024B2 (en) | 1999-12-15 | 2003-03-18 | Sms Demag Ag | Method for change of section of a billet below a casting die of a continuous casting plant |
WO2016165933A1 (de) | 2015-04-15 | 2016-10-20 | Sms Group Gmbh | GIEß-WALZ-ANLAGE UND VERFAHREN ZU DEREN BETRIEB |
DE102015210863A1 (de) | 2015-04-15 | 2016-10-20 | Sms Group Gmbh | Gieß-Walz-Anlage und Verfahren zu deren Betrieb |
DE102015210865A1 (de) | 2015-05-06 | 2016-11-10 | Sms Group Gmbh | Gieß-Walz-Anlage und Verfahren zu deren Betrieb |
Also Published As
Publication number | Publication date |
---|---|
RU2053859C1 (ru) | 1996-02-10 |
US5339887A (en) | 1994-08-23 |
JP3113410B2 (ja) | 2000-11-27 |
EP0535368A1 (de) | 1993-04-07 |
CN1071868A (zh) | 1993-05-12 |
ES2089317T3 (es) | 1996-10-01 |
CN1039290C (zh) | 1998-07-29 |
CA2078582C (en) | 1999-11-16 |
CA2078582A1 (en) | 1993-03-20 |
JPH05277682A (ja) | 1993-10-26 |
ATE138835T1 (de) | 1996-06-15 |
US5400850A (en) | 1995-03-28 |
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