DE1283442B - Process for the horizontal continuous casting of aluminum strips less than 30 mm thick - Google Patents

Process for the horizontal continuous casting of aluminum strips less than 30 mm thick

Info

Publication number
DE1283442B
DE1283442B DEV28969A DEV0028969A DE1283442B DE 1283442 B DE1283442 B DE 1283442B DE V28969 A DEV28969 A DE V28969A DE V0028969 A DEV0028969 A DE V0028969A DE 1283442 B DE1283442 B DE 1283442B
Authority
DE
Germany
Prior art keywords
mold
strand
continuous casting
casting
thick
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
Application number
DEV28969A
Other languages
German (de)
Inventor
Dr Phil Guenther Moritz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vereinigte Aluminium Werke AG
Original Assignee
Vereinigte Aluminium Werke AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vereinigte Aluminium Werke AG filed Critical Vereinigte Aluminium Werke AG
Priority to DEV28969A priority Critical patent/DE1283442B/en
Priority to DEV29909A priority patent/DE1293956B/en
Priority to CH871166A priority patent/CH442631A/en
Priority to NO163822A priority patent/NO118394B/no
Priority to BE683755D priority patent/BE683755A/xx
Priority to NL666609863A priority patent/NL150028B/en
Priority to LU51581A priority patent/LU51581A1/xx
Priority to US566589A priority patent/US3463220A/en
Priority to AT692466A priority patent/AT266363B/en
Priority to SE9992/66A priority patent/SE302023B/xx
Priority to GB33201/66A priority patent/GB1143475A/en
Priority to NO03285/68A priority patent/NO126724B/no
Publication of DE1283442B publication Critical patent/DE1283442B/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/14Plants for continuous casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/045Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/049Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for direct chill casting, e.g. electromagnetic casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12Accessories for subsequent treating or working cast stock in situ
    • B22D11/124Accessories for subsequent treating or working cast stock in situ for cooling
    • B22D11/1243Accessories for subsequent treating or working cast stock in situ for cooling by using cooling grids or cooling plates

Description

BUNDESREPUBLIK DEUTSCHLAND DEUTSCHES flSßWWl· PATENTAMT Int. α.: FEDERAL REPUBLIC OF GERMANY GERMAN FLSßWWl · PATENTAMT Int. α .:

B22dB22d

AUSLEGESCHRIFTEDITORIAL

Deutsche Kl.: 31 b2-11/12 German class: 31 b2- 11/12

Nummer: 1283 442Number: 1283 442

Aktenzeichen: P 12 83 442.3-24 (V 28969)File number: P 12 83 442.3-24 (V 28969)

Anmeldetag: 24. Juli 1965 Filing date: July 24, 1965

Auslegetag: 21. November 1968Opening day: November 21, 1968

Zur Herstellung dünner Bänder von weniger als 30 mm Dicke sind bereits Verfahren bekannt, bei denen sich die formgebenden Wände zusammen mit dem Strang in dessen Gießrichtung bewegen. Zur Formung des Stranges dienen dabei entweder sich mit dem Strang bewegende Bänder od. dgl., oder aber man führt den Strang zwischen gekühlten Walzen hindurch. Die bekannten Verfahren erfordern einen hohen apparativen Aufwand und haben außerdem den Nachteil, daß bei Betriebsstörungen oder bei Übergang zu einem anderen Format das Auswechseln der formgebenden Teile lange Zeit in Anspruch nimmt.For the production of thin strips of less than 30 mm thickness, methods are already known in which the shaping walls move together with the strand in its casting direction. To the Forming of the strand is used either or belts moving with the strand or the like but the strand is passed between cooled rollers. The known procedures require a high expenditure on equipment and also have the disadvantage that in the event of malfunctions or when changing to a different format, changing the shaping parts takes a long time.

Die genannten Mängel werden durch Anwendung eines Verfahrens zum waagerechten Stranggießen von Aluminium in kurzen wassergekühlten Kokillen mit zusätzlicher Direktkühlung überwunden, bei demThe aforementioned shortcomings are addressed by using a method for horizontal continuous casting overcome by aluminum in short water-cooled molds with additional direct cooling, in which

man den Strang unter Aufrechterhaltung eines langen Sumpfes zunächst im ersten Teil der Kokille indirekt und im zweiten Teil derselben mit unter Druck eingeführtem Kühlmittel direkt kühlt, wobei der Strang in diesem Teil der Kokille durch längsverlaufende Stege geführt und unterstützt wird, zwischen denen man das Kühlmittel mit einer das Mehrfache — mindestens das Dreifache — der Gießgeschwindigkeit betragenden Geschwindigkeit an der Oberfläche des Stranges entlangführt.one the strand while maintaining a long swamp first in the first part of the mold indirectly and in the second part of the same with coolant introduced under pressure cools directly, wherein the strand in this part of the mold through longitudinal ones Bridges are guided and supported, between which the coolant with a das Several times - at least three times - the casting speed amounting to speed runs along the surface of the strand.

In konventionellen Wassergußkokillen hebt sich der gegossene Strang innerhalb der Kokille infolge Wärmeschrumpfung von der Kokillenwand ab. Hierdurch wird die Kühlung unterbrochen. Die gebildete erstarrte Schale kann sich vom flüssigen Sumpf her wieder aufheizen und kann infolgedessen zerstört werden. Bei der innerhalb der Kokille einsetzenden direkten Kühlung des erfindungsgemäßen Verfahrens ist die Kühlwirkung von der Wärmeschrumpfung abhängig. In conventional water casting molds, the cast strand rises within the mold as a result Heat shrinkage from the mold wall. This interrupts the cooling. The educated Frozen shell can heat up again from the liquid sump and can consequently be destroyed will. In the case of the direct cooling of the process according to the invention which begins inside the mold the cooling effect depends on the heat shrinkage.

An sich ist es bekannt, Walzplatten aus Schwermetallen und Schwermetallegierungen in einer kurzen, wassergekühlten Senkrecht-Kokille mit zusätzlicher Direktkühlung zu gießen und dabei den Strang unter Aufrechterhaltung eines langen Sumpfes zunächst im ersten Teil der Kokille indirekt und anschließend im zweiten Teil der Kokille direkt zu ^ kühlen, wobei der Strang in diesem Teil der Kokille 1^ durch längsverlaufende Stege geführt und unter-1^ stützt wird, zwischen denen das Kühlmittel mit einer ^ das Mehrfache der Gießgeschwindigkeit betragenden 2® Geschwindigkeit an der Oberfläche des Stranges ent- ^ langströmt. Bisher war man jedoch der Meinung, "■* daß man dünne Aluminiumbänder von weniger als '—i 30 mm Dicke nach dem Wassergußverfahren direkt Verfahren zum waagerechten Stranggießen von
Aluminiumbändern von weniger als 30 mm Dicke
It is known per se to cast rolled plates made of heavy metals and heavy metal alloys in a short, water-cooled vertical mold with additional direct cooling, while maintaining a long sump, initially indirectly in the first part of the mold and then directly in the second part of the mold cool, wherein the strand is guided in this part of the mold 1 ^ by longitudinally extending webs and sup- ported 1 ^, between which the refrigerant long flows at a ^ several times the casting speed draw forming 2® velocity at the surface of the strand corresponds ^. So far, however, it was believed, "■ * that thin aluminum strip of less than -i 30 mm thickness after Wassergußverfahren directly method for horizontal continuous casting of
Aluminum strips less than 30 mm thick

Anmelder:Applicant:

Vereinigte Aluminium Werke AG, 5300 BonnUnited Aluminum Werke AG, 5300 Bonn

Als Erfinder benannt:Named as inventor:

Dr. phil. Günther Moritz, 5320 Bad Godesberg - -Dr. phil. Günther Moritz, 5320 Bad Godesberg - -

überhaupt nicht erzeugen könnte, sondern zunächst einen Walzbarren herstellen müßte, der anschließend in einem Walzwerk weiterzuverarbeiten wäre (vgl. Beilage »Technik«, Anlage der »Neuen Zürcher Zeitung« vom 31. 3.1965, Mittagsausgabe, Blatt 4, linke Spalte, vorletzter Absatz, mit dem Titel »Gießen von Aluminiumband« von E. Herrmann.could not produce at all, but would first have to produce a rolling billet, which then would have to be further processed in a rolling mill (see supplement “Technology”, appendix to the “Neue Zürcher Newspaper «from 31.3.1965, noon edition, sheet 4, left column, penultimate paragraph, with the title "Casting aluminum strip" by E. Herrmann.

Dem Erfinder ist es entgegen diesem Vorurteil der Fachwelt zum erstenmal gelungen, Aluminiumbänder in Stärken von weniger als 30 mm mit der an sich bekannten Kokille grundsätzlich zu gießen.
Durch die Erfindung wird ein bedeutsamer tech-
Contrary to this prejudice among experts, the inventor succeeded for the first time in fundamentally casting aluminum strips in thicknesses of less than 30 mm with the ingot mold known per se.
Through the invention a significant tech-

s5 nischer Fortschritt erzielt, da es nunmehr möglich wird, dünne Bänder von weniger als 30 mm Dicke unter Einsparung eines Walzwerks direkt im Wassergußverfahren zu gießen. Die Erfindung bietet gegenüber den bisher bekannten Arbeitsweisen zur Herstellung dünner Bänder der erwähnten Dicke die Vorteile geringerer Investitionskosten, bequemerer Handhabung und schnellerer Auswechselbarkeit der formgebenden Teile.S5 nical progress was made as it is now possible becomes thin strips less than 30 mm thick, saving a rolling mill directly in the water casting process to pour. The invention offers compared to the previously known methods of production thin strips of the thickness mentioned have the advantages of lower investment costs, more convenient Handling and quicker interchangeability of the shaping parts.

Eine zur Anwendung des Verfahrens geeignete Kokille zeichnet sich dadurch aus, daß für die indirekte Kühlung Bohrungen in der Kokille vorgesehen sind, deren Achsen in einem Winkel von etwa 15° zur formgebenden Fläche verlaufen und auf den Strang außerhalb der formgebenden Fläche im Bereich der Strangaustrittsseite weisen.A mold suitable for the application of the method is characterized in that for the indirect Cooling bores are provided in the mold, the axes of which are at an angle of approximately 15 ° to the shaping surface and on the strand outside the shaping surface in the area the strand exit side.

In der Zeichnung ist eine solche Kokille beispielsweise und schematisch dargestellt.In the drawing, such a mold is shown schematically as an example.

F i g. 1 zeigt in perspektivischer Wiedergabe einen Vordereinblick in das Innere der Kokille;F i g. 1 shows a perspective reproduction of a front view of the interior of the mold;

F i g. 2 gibt die Kokille im senkrechten Längsschnitt wieder, wobei der Schnitt durch einen zwischen den Stegen befindlichen Schlitz gelegt ist. Der formgebende Innenraum 1 der Kokille mit horizontaler Längsachse und in diesem Falle rechteckigem Querschnitt zum Gießen des Bandes ist an einer Seite durch eine Platte 2 aus feuerfestem, wärmeisolierendem Material abgeschlossen. DieseF i g. 2 shows the mold in a vertical longitudinal section, the section through a is placed between the webs slot. The shaping interior 1 of the mold with horizontal longitudinal axis and in this case rectangular cross-section for casting the tape is on one side closed by a plate 2 made of fireproof, heat-insulating material. These

809 638/1539809 638/1539

Platte hat einen Schlitz 3, durch den das flüssige Metall in den Kokilleninnenraum 1 eingeführt wird. In den Wänden des Kokilleninnenraumes befinden sich Bohrungen 4, die unter einem Winkel von etwa 15° gegen die Kokillenlängsachse geneigt sind. Diese Bohrungen sind durch etwa senkrecht dazu stehende Bohrungen 5 mit dem Wasserzulaufbehälter 6 verbunden. Das aus den Bohrungen 4 austretende Wasser fließt durch die Schlitze 7 ab, zwischen denen die Stege 8 stehengeblieben sind.The plate has a slot 3 through which the liquid metal is introduced into the mold interior 1. In the walls of the mold interior there are holes 4 which are at an angle are inclined by about 15 ° to the longitudinal axis of the mold. These holes are approximately perpendicular through bores 5 connected to this are connected to the water inlet tank 6. The emerging from the holes 4 Water flows through the slots 7, between which the webs 8 have stopped.

Claims (2)

Patentansprüche:Patent claims: 1. Anwendung eines Verfahrens zum waagerechten Stranggießen von Aluminium in kurzen wassergekühlten Kokillen mit zusätzlicher Direktkühlung, bei dem man den Strang unter Aufrechterhaltung eines langen Sumpfes zunächst im ersten Teil der Kokille indirekt und im zweiten Teil derselben mit unter Druck eingeführtem Kühlmittel direkt kühlt, wobei der Strang in diesem Teil der Kokille durch längsverlaufende Stege geführt und unterstützt wird, zwischen denen man das Kühlmittel mit einer das Mehrfache — mindestens das Dreifache — der Gießgeschwindigkeit beträgenden Geschwindigkeit an der Oberfläche des Stranges entlangführt, zum Gießen von dünnen Bändern von weniger als 30 mm Dicke.1. Application of a process for the horizontal continuous casting of aluminum in short water-cooled molds with additional direct cooling, in which the strand can be maintained of a long swamp first in the first part of the mold indirectly and in the second Part of the same with coolant introduced under pressure directly cools the strand in this Part of the mold is guided and supported by longitudinal webs, between which you can use the coolant with a multiple - at least three times - the casting speed corresponding speed along the surface of the strand, for Casting of thin strips less than 30 mm thick. 2. Kokille für die Anwendung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß für die indirekte Kühlung Bohrungen (4) in der Kokille vorgesehen sind, deren Achsen in einem Winkel von etwa 15° zur formgebenden Fläche verlaufen und auf den -Strang außerhalb der formgebenden Fläche im Bereich der Strangaustrittsseite weisen.2. Mold for the application of the method according to claim 1, characterized in that for indirect cooling bores (4) are provided in the mold, the axes of which in one An angle of about 15 ° to the shaping surface and on the strand outside the Have shaping surface in the area of the strand exit side. In Betracht gezogene Druckschriften:
Herrmann, »Handbuch des Stranggießens«,
1958, Seite 214.
Considered publications:
Herrmann, "Manual of Continuous Casting",
1958, page 214.
Hierzu 1 Blatt Zeichnungen 1 sheet of drawings 809 638/1539 11.68 © Bundesdruckerei Berlin809 638/1539 11.68 © Bundesdruckerei Berlin
DEV28969A 1965-07-24 1965-07-24 Process for the horizontal continuous casting of aluminum strips less than 30 mm thick Pending DE1283442B (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
DEV28969A DE1283442B (en) 1965-07-24 1965-07-24 Process for the horizontal continuous casting of aluminum strips less than 30 mm thick
DEV29909A DE1293956B (en) 1965-07-24 1965-12-11 Method for cooling continuously cast thin strips, plates or the like.
CH871166A CH442631A (en) 1965-07-24 1966-06-16 Process for the horizontal or vertical continuous casting of thin strips, plates or the like
NO163822A NO118394B (en) 1965-07-24 1966-07-06
BE683755D BE683755A (en) 1965-07-24 1966-07-07
NL666609863A NL150028B (en) 1965-07-24 1966-07-13 PROCESS FOR STRAND CASTING OF ALUMINUM SHEETS OR TAPES, AND PLATE OR TAPE OBTAINED BY APPLICATION OF THE PROCEDURE.
LU51581A LU51581A1 (en) 1965-07-24 1966-07-18
US566589A US3463220A (en) 1965-07-24 1966-07-20 Method for continuous casting of thin bands,plates
AT692466A AT266363B (en) 1965-07-24 1966-07-20 Process for horizontal or vertical continuous casting of thin strips, plates or the like. and mold for carrying out the process
SE9992/66A SE302023B (en) 1965-07-24 1966-07-21
GB33201/66A GB1143475A (en) 1965-07-24 1966-07-22 Method of continuously horizontally or vertically casting thin bands, plates or the like
NO03285/68A NO126724B (en) 1965-07-24 1968-08-21

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEV28969A DE1283442B (en) 1965-07-24 1965-07-24 Process for the horizontal continuous casting of aluminum strips less than 30 mm thick
DEV0029888 1965-12-10
DEV29909A DE1293956B (en) 1965-07-24 1965-12-11 Method for cooling continuously cast thin strips, plates or the like.

Publications (1)

Publication Number Publication Date
DE1283442B true DE1283442B (en) 1968-11-21

Family

ID=27213333

Family Applications (2)

Application Number Title Priority Date Filing Date
DEV28969A Pending DE1283442B (en) 1965-07-24 1965-07-24 Process for the horizontal continuous casting of aluminum strips less than 30 mm thick
DEV29909A Pending DE1293956B (en) 1965-07-24 1965-12-11 Method for cooling continuously cast thin strips, plates or the like.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DEV29909A Pending DE1293956B (en) 1965-07-24 1965-12-11 Method for cooling continuously cast thin strips, plates or the like.

Country Status (9)

Country Link
US (1) US3463220A (en)
BE (1) BE683755A (en)
CH (1) CH442631A (en)
DE (2) DE1283442B (en)
GB (1) GB1143475A (en)
LU (1) LU51581A1 (en)
NL (1) NL150028B (en)
NO (2) NO118394B (en)
SE (1) SE302023B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770046A (en) * 1968-10-17 1973-11-06 Olin Corp Apparatus for cooling a stress sensitive continuous casting
CH501445A (en) * 1968-11-12 1971-01-15 Vaw Ver Aluminium Werke Ag Method and device for the fully continuous casting of metallic strands of thin cross-section, such as strips, wires or the like
CH528939A (en) * 1968-11-12 1972-10-15 Vaw Ver Aluminium Werke Ag Device for the fully continuous casting of metallic strands of thin cross-section, such as strips, wires or the like
US3687592A (en) * 1969-11-24 1972-08-29 Mitsubishi Gas Chemical Co Apparatus for producing thermoplastic synthetic resin foamed products
US3616844A (en) * 1970-02-24 1971-11-02 Benteler Geb Paderwerk Apparatus for continuous casting of metal ingots
US3688834A (en) * 1971-12-20 1972-09-05 Frank E Wagstaff Semi-continuous vertical casting mould for ingots
US3757849A (en) * 1972-04-28 1973-09-11 Koppers Co Inc Strand cooling support system
LU68861A1 (en) * 1973-11-26 1975-08-20
GB1418262A (en) * 1974-01-21 1975-12-17 Ural Politekhn I Im Sm Kirova Apparatus comprising a mould for continuous casting of metal and means for cooling the mould
SE409961B (en) * 1974-03-18 1979-09-17 Voest Ag STRING MOLDING PLANT FOR THE ROUGH PLATE
US4150714A (en) * 1977-07-28 1979-04-24 General Motors Corporation Lead casting seal
US4166495A (en) * 1978-03-13 1979-09-04 Aluminum Company Of America Ingot casting method
US4441542A (en) * 1981-06-10 1984-04-10 Olin Corporation Process for cooling and solidifying continuous or semi-continuously cast material
FR2510008A1 (en) * 1981-07-24 1983-01-28 Fives Cail Babcock Atomiser for cooling wide side of continuously cast slab - where pressurised streams of air and water are fed through sets of nozzles to form sprays of fine mist
DE3141269C2 (en) * 1981-10-17 1984-01-05 Mannesmann AG, 4000 Düsseldorf Cooling method and cooling device for elongated hot metal goods, in particular for continuously cast billets or bloom strands made of steel
US4474225A (en) * 1982-05-24 1984-10-02 Aluminum Company Of America Method of direct chill casting
DE3346151C2 (en) * 1983-05-26 1986-08-28 Schweizerische Aluminium Ag, Chippis Process for cooling a metal strand during continuous casting
DE3533517A1 (en) * 1985-09-20 1987-04-02 Vaw Ver Aluminium Werke Ag METHOD AND DEVICE FOR CONTINUOUS CASTING
US5325910A (en) * 1985-09-20 1994-07-05 Vereinigte Aluminium-Werke Aktiengesellschaft Method and apparatus for continuous casting
NL1010262C2 (en) * 1998-10-07 2000-04-10 Hoogovens Corporate Services B Chill casting of aluminum ingots, comprises spraying the ingots with drops of coolant in order to achieve gentle cooling
CN104827006B (en) * 2015-04-22 2017-01-11 河南科技大学 Horizontal continuous-casting continuous-extruding equipment for large-diameter forging copper pipe and production technology of copper pipe

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US2651821A (en) * 1949-11-24 1953-09-15 Ici Ltd Continuous or semicontinuous casting of metals
GB702719A (en) * 1951-03-02 1954-01-20 Rossi Irving Improvements in or relating to continuous casting of metal
US2782473A (en) * 1953-03-20 1957-02-26 Joseph B Brennan Continuous casting method and apparatus
DE1055763B (en) * 1954-12-29 1959-04-23 Ver Deutsche Metallwerke Ag Device for the continuous casting of heavy metals or heavy metal alloys
BE560271A (en) * 1956-08-27
US3098269A (en) * 1960-05-09 1963-07-23 American Smelting Refining Mold for continuous casting
US3358743A (en) * 1964-10-08 1967-12-19 Bunker Ramo Continuous casting system

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
BE683755A (en) 1966-12-16
US3463220A (en) 1969-08-26
CH442631A (en) 1967-08-31
SE302023B (en) 1968-07-01
NL150028B (en) 1976-07-15
NO118394B (en) 1969-12-22
DE1293956B (en) 1969-04-30
LU51581A1 (en) 1966-09-19
NL6609863A (en) 1967-01-25
GB1143475A (en) 1969-02-19
NO126724B (en) 1973-03-19

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