EP0730923A1 - Mould for continuous casting of metals - Google Patents
Mould for continuous casting of metals Download PDFInfo
- Publication number
- EP0730923A1 EP0730923A1 EP96103229A EP96103229A EP0730923A1 EP 0730923 A1 EP0730923 A1 EP 0730923A1 EP 96103229 A EP96103229 A EP 96103229A EP 96103229 A EP96103229 A EP 96103229A EP 0730923 A1 EP0730923 A1 EP 0730923A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mold according
- chill mold
- casting
- chill
- cooling
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/059—Mould materials or platings
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0406—Moulds with special profile
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
Definitions
- the invention relates to a mold for the continuous casting of metal, preferably steel, with a mold cavity which is open on two opposite sides, the mold cavity cross section being greater at the end on the pouring side than at the end of the strand exit side.
- the invention has for its object to provide a mold of the type mentioned, with which on the one hand a higher casting performance and on the other hand a better strand quality can be achieved. At the same time, the heat dissipation of the partially molten strand is to be optimized in order to increase the service life of the mold.
- the first area which has a partial length of 320 mm in the casting direction, has a taper of 2.4% / m. For the subsequent partial length of 480 mm, a taper of 1% / m was chosen.
- the cooling-optimized region 2 with triangularly shaped recesses 3 in the cooling-side surface of the mold 1 extends to a partial length of approximately 310 mm, which begins 60 mm below the pouring side.
- the pouring side of the mold 1 is indicated by the arrow 4.
- the center distance of the recesses 3, which are triangular in cross section, is 8 mm in the casting direction, the individual recesses 3 having a width of 4 mm.
- the maximum extent of the depressions 3 perpendicular to the surface is 1.2 mm.
- the respective geometrical features of the cooling-optimized area 2 have been determined by evaluating casting tests.
- FIG. 2 Another embodiment is shown in Figure 2.
- the tubular mold 1, which is also provided for the continuous casting of square cross sections, has a cooling-optimized region 2 which consists of a multiplicity of circular depressions 3.
- the overall trapezoidal area 2 extends over a partial length of 250 mm, where it tapers in the casting direction by approximately 30%.
- Arrow 4 denotes the pouring side and arrow 5 denotes the end on the strand exit side.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Screen Printers (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
Die Erfindung betrifft eine Kokille zum Stranggießen von Metall, vorzugsweise Stahl, mit einem an zwei gegenüberliegenden Seiten offenen Formhohlraum, wobei der Formhohlraumquerschnitt am eingießseitigen Ende größer ist als am strangaustrittsseiten Ende.The invention relates to a mold for the continuous casting of metal, preferably steel, with a mold cavity which is open on two opposite sides, the mold cavity cross section being greater at the end on the pouring side than at the end of the strand exit side.
Der Erfindung liegt die Aufgabe zugrunde, eine Kokille der eingangs genannten Art bereitzustellen, mit der einerseits eine höhere Gießleistung und andererseits eine bessere Strangqualität erreicht werden kann. Gleichzeitig soll die Wärmeabfuhr des teilweise schmelzflüssigen Strangs optimiert werden, um die Standzeit der Kokille zu erhöhen.The invention has for its object to provide a mold of the type mentioned, with which on the one hand a higher casting performance and on the other hand a better strand quality can be achieved. At the same time, the heat dissipation of the partially molten strand is to be optimized in order to increase the service life of the mold.
Diese Aufgabe wird erfindungsgemäß durch die Kombination der in Anspruch 1 aufgeführten Merkmale gelöst.This object is achieved by the combination of the features listed in
Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.Advantageous developments of the invention result from the subclaims.
Die Erfindung wird im folgenden anhand der in den Figuren 1 und 2 dargestellten Ausführungsbeispiele noch näher erläutert.The invention is explained in more detail below with reference to the exemplary embodiments shown in FIGS. 1 and 2.
Es zeigen:
Figur 1- in schematischer Darstellung eine Seitenansicht einer rohrförmigen Kokille und
- Figur 2
- eine Seitenansicht einer weiteren rohrförmigen Kokille mit einem kühloptimierten Flächenbereich.
- Figure 1
- a schematic representation of a side view of a tubular mold and
- Figure 2
- a side view of another tubular mold with a cooling-optimized surface area.
In Figur 1 ist eine rohrförmige Kokille 1 zum Stranggießen von Stahl mit einem quadratischen Strangquerschnitt von 170 x 170 mm2 dargestellt. Die Wanddicke der gebogenen Kokille 1 (Gießradius 8 000 mm) beträgt 18 mm. Der Formhohlraum der etwa 800 mm langen Kokille 1 ist in zwei konisch verlaufende Bereiche unterteilt. Der erste Bereich, der in Gießrichtung eine Teillänge von 320 mm aufweist, besitzt eine Konizität von 2,4 %/m. Für die sich daran anschließende Teillänge von 480 mm ist eine Konizität von 1 %/m gewählt worden.1 shows a
Wie die Figur 1 erkennen läßt, erstreckt sich der kühloptimierte Bereich 2 mit im Querschnitt dreieckförmigen Vertiefungen 3 in der kühlseitigen Oberfläche der Kokille 1 auf eine Teillänge von etwa 310 mm, die 60 mm unterhalb der Eingießseite beginnt. Mit dem Pfeil 4 ist die Eingießseite der Kokille 1 bezeichnet.As can be seen in FIG. 1, the cooling-optimized region 2 with triangularly
Um optimale Erstarrungsbedingungen für den Stahlstrang während des Gießbetriebs zu erzielen, hat es sich als besonders vorteilhaft erwiesen, den strukturierten Bereich 2 nur auf der Bogenaußenseite der rohrförmigen Kokille 1 anzuordnen.In order to achieve optimal solidification conditions for the steel strand during the casting operation, it has proven to be particularly advantageous to arrange the structured area 2 only on the outside of the arc of the
Der Mittenabstand der im Querschnitt dreieckförmigen Vertiefungen 3 beträgt in Gießrichtung 8 mm, wobei die einzelnen Vertiefungen 3 eine Breite von 4 mm aufweisen. Die maximale Ausdehnung der Vertiefungen 3 senkrecht zur Oberfläche beträgt 1,2 mm. Die jeweiligen geometrischen Merkmale des kühloptimierten Bereichs 2 sind durch Auswertung gießtechnischer Untersuchungen ermittelt worden.The center distance of the
Ein weiteres Ausführungsbeispiel ist in Figur 2 dargestellt. Die ebenfalls für das Stranggießen quadratischer Querschnitte vorgesehene rohrförmige Kokille 1 weist einen kühloptimierten Bereich 2 auf, der aus einer Vielzahl kreisrunder Vertiefungen 3 besteht. Der insgesamt trapezförmige Bereich 2 erstreckt sich dabei über eine Teillänge von 250 mm, wobei er sich in Gießrichtung um etwa 30 % verjüngt. Mit dem Pfeil 4 ist die Eingießseite und mit dem Pfeil 5 das strangaustrittsseitige Ende bezeichnet.Another embodiment is shown in Figure 2. The
In den beiden Figuren sind jeweils die Ansichten auf die gebogenen Seiten der Kokillenrohre gezeigt. Die Erfindung ist aber selbstverständlich auch auf Block- und Plattenkokillen anwendbar.The views of the curved sides of the mold tubes are shown in each of the two figures. The invention is of course also applicable to block and plate molds.
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19508169A DE19508169C5 (en) | 1995-03-08 | 1995-03-08 | Mold for continuous casting of metals |
DE19508169 | 1995-03-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0730923A1 true EP0730923A1 (en) | 1996-09-11 |
EP0730923B1 EP0730923B1 (en) | 2001-09-19 |
Family
ID=7756002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96103229A Revoked EP0730923B1 (en) | 1995-03-08 | 1996-03-02 | Mould for continuous casting of metals |
Country Status (18)
Country | Link |
---|---|
US (1) | US5797444A (en) |
EP (1) | EP0730923B1 (en) |
JP (1) | JPH0947844A (en) |
KR (1) | KR100392759B1 (en) |
CN (1) | CN1063366C (en) |
AR (1) | AR001173A1 (en) |
AT (1) | ATE205759T1 (en) |
BR (1) | BR9600967A (en) |
CA (1) | CA2171388C (en) |
DE (2) | DE19508169C5 (en) |
DK (1) | DK0730923T3 (en) |
ES (1) | ES2161929T3 (en) |
IN (1) | IN187265B (en) |
MX (1) | MX9600762A (en) |
PL (1) | PL179859B1 (en) |
PT (1) | PT730923E (en) |
TW (1) | TW364866B (en) |
ZA (1) | ZA961921B (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0931609A1 (en) * | 1998-01-27 | 1999-07-28 | KM Europa Metal AG | Fluid cooled mould |
WO2003035306A1 (en) * | 2001-10-18 | 2003-05-01 | Sms Demag Aktiengesellschaft | Method and device for optimizing the cooling capacity of a continuous casting mold for liquid metals, particularly for liquid steel |
WO2003092931A1 (en) * | 2002-04-27 | 2003-11-13 | Sms Demag Aktiengesellschaft | Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus |
WO2008017711A1 (en) * | 2006-08-11 | 2008-02-14 | Danieli & C. Officine Meccaniche S.P.A. | Crystalliser |
WO2008086856A1 (en) * | 2007-01-17 | 2008-07-24 | Sms Siemag Ag | Continuous casting die with coolant channel |
WO2013156809A1 (en) * | 2012-04-19 | 2013-10-24 | Kme Germany Ag & Co. Kg | Mould for the continuous casting of metals |
AT508822B1 (en) * | 2009-09-29 | 2013-11-15 | Siemens Vai Metals Tech Gmbh | COZIL FOR THE FORMING OF METALLIC MELT TO A METAL STRIP WITH CIRCULAR OR POLYGONAL CROSS SECTION IN A CONTINUOUS CASTING MACHINE |
EP3406368A1 (en) * | 2017-05-23 | 2018-11-28 | SMS Concast AG | Mould for continuous casting of metallic products |
US10792729B2 (en) | 2012-06-27 | 2020-10-06 | Jfe Steel Corporation | Continuous casting mold and method for continuous casting of steel |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10118524A1 (en) * | 2001-04-14 | 2002-10-17 | Sms Demag Ag | Mold used in a continuous casting device comprises a supporting frame on which two narrow side walls and two wide side walls are arranged |
DE10203967A1 (en) * | 2002-01-31 | 2003-08-14 | Km Europa Metal Ag | Mold pipe |
KR20040045966A (en) * | 2002-11-26 | 2004-06-05 | 주식회사 포스코 | Molds for irregular heat flow direction in continuous castings |
DE102004002124A1 (en) * | 2004-01-14 | 2005-08-11 | Km Europa Metal Ag | continuous casting and rolling |
CN101137453B (en) * | 2005-03-10 | 2012-09-05 | Sms西马格股份公司 | Method for producing a continuous casting mold and corresponding continuous casting mold |
CN103433442B (en) * | 2013-08-29 | 2015-07-15 | 重庆大学 | Method for determining continuous casting crystallizer inner cavity taper |
CN103978168A (en) * | 2014-05-19 | 2014-08-13 | 辽宁科技大学 | Method of eliminating looseness and shrinkage in lower part of cast steel ingot |
CN104096810A (en) * | 2014-06-30 | 2014-10-15 | 武汉泛洲中越合金有限公司 | Horizontal continuous casting crystallizer |
CN109843473B (en) * | 2016-10-19 | 2022-01-28 | 杰富意钢铁株式会社 | Continuous casting mold and method for continuous casting of steel |
DE102023115151B3 (en) | 2023-04-28 | 2024-08-01 | Cunova Gmbh | Mould body |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1551365A (en) * | 1966-12-28 | 1968-12-27 | ||
DE1508922A1 (en) * | 1965-08-17 | 1969-11-13 | Olsson Ag Erik | Continuous casting mold |
US3595302A (en) * | 1967-05-11 | 1971-07-27 | Schloemann Ag | Cooling structure for continuous-casting mold |
US4207941A (en) * | 1975-06-16 | 1980-06-17 | Shrum Lorne R | Method of continuous casting of metal in a tapered mold and mold per se |
GB2177331A (en) * | 1985-06-24 | 1987-01-21 | Outokumpu Oy | Continuous casting mould |
WO1992005898A1 (en) * | 1990-10-02 | 1992-04-16 | Mannesmann Ag | Liquid-cooled mould for continuous casting of steel billets in slab form |
EP0498296A2 (en) * | 1991-02-06 | 1992-08-12 | Concast Standard Ag | Mould for continuous casting of metals, especially of steel |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1558312A1 (en) * | 1967-05-11 | 1970-04-23 | Schloemann Ag | Continuous cast plate mold with cooling channels incorporated into their changes |
JPS53119729A (en) * | 1977-03-30 | 1978-10-19 | Funabashi Seiko | Mold for continuous casting |
DE3411359A1 (en) * | 1984-03-28 | 1985-10-31 | Mannesmann AG, 4000 Düsseldorf | CONTINUOUS CHOCOLATE FOR ROUND OR BLOCK CROSS SECTIONS, ESPECIALLY FOR THE POURING OF LIQUID STEEL |
DE3942704A1 (en) * | 1989-12-20 | 1991-06-27 | Mannesmann Ag | Continuous casting mouldor fluids with high level of solids - has ceramic shaping wall with coolant channels formed by sepd. lands fitting in parallel grooves on support plate |
JPH04187344A (en) * | 1990-11-20 | 1992-07-06 | Mitsubishi Electric Corp | Mold for continuous casting |
IT1252991B (en) * | 1991-10-31 | 1995-07-10 | Danieli Off Mecc | CONTINUOUS CASTING CRYSTALIZER FOR TONGUE FOR THIN SLABS |
DE4337399C2 (en) * | 1993-10-26 | 1995-08-17 | Mannesmann Ag | Continuous casting mold for the production of thin slabs, plates or sheets made of steel |
DE69518360T2 (en) * | 1994-06-06 | 2000-12-28 | Danieli & C. Officine Meccaniche S.P.A., Buttrio | Continuous casting mold with improved heat exchange and method for increasing the heat exchange of a continuous casting mold |
ATE183679T1 (en) * | 1994-07-25 | 1999-09-15 | Concast Standard Ag | STRAG CASTING MOLD FOR A DOUBLE-T PRE-PROFILE |
-
1995
- 1995-03-08 DE DE19508169A patent/DE19508169C5/en not_active Expired - Lifetime
-
1996
- 1996-02-12 TW TW085101708A patent/TW364866B/en not_active IP Right Cessation
- 1996-02-27 JP JP8039770A patent/JPH0947844A/en active Pending
- 1996-02-27 MX MX9600762A patent/MX9600762A/en unknown
- 1996-03-01 IN IN385CA1996 patent/IN187265B/en unknown
- 1996-03-02 ES ES96103229T patent/ES2161929T3/en not_active Expired - Lifetime
- 1996-03-02 EP EP96103229A patent/EP0730923B1/en not_active Revoked
- 1996-03-02 PT PT96103229T patent/PT730923E/en unknown
- 1996-03-02 AT AT96103229T patent/ATE205759T1/en not_active IP Right Cessation
- 1996-03-02 DE DE59607700T patent/DE59607700D1/en not_active Revoked
- 1996-03-02 DK DK96103229T patent/DK0730923T3/en active
- 1996-03-04 KR KR1019960005533A patent/KR100392759B1/en not_active IP Right Cessation
- 1996-03-06 PL PL96313107A patent/PL179859B1/en unknown
- 1996-03-07 AR AR33566496A patent/AR001173A1/en active IP Right Grant
- 1996-03-08 ZA ZA961921A patent/ZA961921B/en unknown
- 1996-03-08 CN CN96102743A patent/CN1063366C/en not_active Expired - Fee Related
- 1996-03-08 BR BR9600967A patent/BR9600967A/en not_active IP Right Cessation
- 1996-03-08 CA CA002171388A patent/CA2171388C/en not_active Expired - Fee Related
- 1996-03-08 US US08/612,640 patent/US5797444A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1508922A1 (en) * | 1965-08-17 | 1969-11-13 | Olsson Ag Erik | Continuous casting mold |
FR1551365A (en) * | 1966-12-28 | 1968-12-27 | ||
US3595302A (en) * | 1967-05-11 | 1971-07-27 | Schloemann Ag | Cooling structure for continuous-casting mold |
US4207941A (en) * | 1975-06-16 | 1980-06-17 | Shrum Lorne R | Method of continuous casting of metal in a tapered mold and mold per se |
GB2177331A (en) * | 1985-06-24 | 1987-01-21 | Outokumpu Oy | Continuous casting mould |
WO1992005898A1 (en) * | 1990-10-02 | 1992-04-16 | Mannesmann Ag | Liquid-cooled mould for continuous casting of steel billets in slab form |
EP0498296A2 (en) * | 1991-02-06 | 1992-08-12 | Concast Standard Ag | Mould for continuous casting of metals, especially of steel |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ300075B6 (en) * | 1998-01-27 | 2009-01-21 | Km Europa Metal Aktiengesellschaft | Liquid cooled cast-iron mold |
US6926067B1 (en) | 1998-01-27 | 2005-08-09 | Km Europa Metal Ag | Liquid-cooled casting die |
EP0931609A1 (en) * | 1998-01-27 | 1999-07-28 | KM Europa Metal AG | Fluid cooled mould |
WO2003035306A1 (en) * | 2001-10-18 | 2003-05-01 | Sms Demag Aktiengesellschaft | Method and device for optimizing the cooling capacity of a continuous casting mold for liquid metals, particularly for liquid steel |
WO2003092931A1 (en) * | 2002-04-27 | 2003-11-13 | Sms Demag Aktiengesellschaft | Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus |
CN1318164C (en) * | 2002-04-27 | 2007-05-30 | Sms迪马格股份公司 | Adjustment of heat transfer in continuous casting moulds in particular in the region of the meniscus |
WO2008017711A1 (en) * | 2006-08-11 | 2008-02-14 | Danieli & C. Officine Meccaniche S.P.A. | Crystalliser |
WO2008086856A1 (en) * | 2007-01-17 | 2008-07-24 | Sms Siemag Ag | Continuous casting die with coolant channel |
AT508822B1 (en) * | 2009-09-29 | 2013-11-15 | Siemens Vai Metals Tech Gmbh | COZIL FOR THE FORMING OF METALLIC MELT TO A METAL STRIP WITH CIRCULAR OR POLYGONAL CROSS SECTION IN A CONTINUOUS CASTING MACHINE |
WO2013156809A1 (en) * | 2012-04-19 | 2013-10-24 | Kme Germany Ag & Co. Kg | Mould for the continuous casting of metals |
US9393614B2 (en) | 2012-04-19 | 2016-07-19 | Kme Germany Gmbh & Co. Kg | Mould for the continuous casting of metals |
US10792729B2 (en) | 2012-06-27 | 2020-10-06 | Jfe Steel Corporation | Continuous casting mold and method for continuous casting of steel |
EP3406368A1 (en) * | 2017-05-23 | 2018-11-28 | SMS Concast AG | Mould for continuous casting of metallic products |
Also Published As
Publication number | Publication date |
---|---|
US5797444A (en) | 1998-08-25 |
KR960033606A (en) | 1996-10-22 |
BR9600967A (en) | 1997-12-30 |
ZA961921B (en) | 1996-07-29 |
PL179859B1 (en) | 2000-11-30 |
IN187265B (en) | 2002-03-16 |
EP0730923B1 (en) | 2001-09-19 |
DK0730923T3 (en) | 2001-12-31 |
PL313107A1 (en) | 1996-09-16 |
DE19508169C5 (en) | 2009-11-12 |
ES2161929T3 (en) | 2001-12-16 |
JPH0947844A (en) | 1997-02-18 |
TW364866B (en) | 1999-07-21 |
DE59607700D1 (en) | 2001-10-25 |
MX9600762A (en) | 1997-06-28 |
AR001173A1 (en) | 1997-09-24 |
CN1137429A (en) | 1996-12-11 |
DE19508169A1 (en) | 1996-09-12 |
ATE205759T1 (en) | 2001-10-15 |
CA2171388C (en) | 2002-07-16 |
CA2171388A1 (en) | 1996-09-09 |
CN1063366C (en) | 2001-03-21 |
DE19508169B4 (en) | 2004-10-14 |
KR100392759B1 (en) | 2003-12-24 |
PT730923E (en) | 2002-02-28 |
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