EP0066524B1 - Procédé et dispositif de coulée continue sur roue à gorge - Google Patents

Procédé et dispositif de coulée continue sur roue à gorge Download PDF

Info

Publication number
EP0066524B1
EP0066524B1 EP82420062A EP82420062A EP0066524B1 EP 0066524 B1 EP0066524 B1 EP 0066524B1 EP 82420062 A EP82420062 A EP 82420062A EP 82420062 A EP82420062 A EP 82420062A EP 0066524 B1 EP0066524 B1 EP 0066524B1
Authority
EP
European Patent Office
Prior art keywords
rim
casting
wheel
flaps
groove
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
Application number
EP82420062A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0066524A1 (fr
Inventor
Robert Petit
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.)
Ugine Aciers SA
Ugine Savoie SA
Original Assignee
Ugine Aciers SA
Ugine Savoie SA
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 Ugine Aciers SA, Ugine Savoie SA filed Critical Ugine Aciers SA
Priority to AT82420062T priority Critical patent/ATE16900T1/de
Publication of EP0066524A1 publication Critical patent/EP0066524A1/fr
Application granted granted Critical
Publication of EP0066524B1 publication Critical patent/EP0066524B1/fr
Expired legal-status Critical Current

Links

Images

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
    • B22D11/0602—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a casting wheel and belt, e.g. Properzi-process

Definitions

  • the method and the device which are the subject of the invention, relate most generally to the continuous casting of metals on wheels.
  • This method and this device allow the continuous casting of metals or alloys in the form of bars or strips.
  • This process applies to a very wide range of metals or alloys.
  • metals or alloys Although it can be used effectively for the casting of relatively low melting point metals such as aluminum, it is particularly suitable for the casting of high melting point metals such as copper and its alloys and, above all, all ferrous alloys, ordinary steels, alloys, stainless steels, refractory materials. It is also suitable for casting other metals or refractory alloys such as superalloys.
  • a wheel (1) driven in rotation at slow speed by a motor not shown, comprises a hollow rim (2) in the groove (3) from which a supply device (4) makes it possible to introduce in (5) the liquid metal by means of a nozzle.
  • An endless metal ribbon (6) is wound on the casting wheel and on a free wheel (7) arranged in the same plane.
  • This freewheel is mounted on an oscillating arm (8) which acts as a tensioner.
  • the ribbon is thus pressed against the edges (9) of the rim of the wheel (1) and therefore prevents the metal cast in (5) from coming out of the groove.
  • the rim is cooled by circulation of water in the space (10), which allows rapid solidification of the metal in the groove.
  • This water is introduced by the axis of the wheel at (11) then sent into the space (10) through two diametrically opposite spokes (12) and (13). The water returns via two other spokes (14) and (15) and through the axis of the wheel at (16).
  • FIG. 3 represents, still according to the teaching of the same patent cited above, the bar (17) extracted from the casting wheel (1) which is thus deflected from its outlet plane and then sent to a rolling installation continuous (18).
  • the FR. 1,178,580 proposes to circulate the tape or strip, which ensures the obturation of the rim, not on a single free wheel, playing the role of tensioner, but on, at least, two free wheels.
  • the alternating torsional forces to which this ribbon is subjected are a cause of transverse cracking, after a time which may be short and, finally, the watering of the ribbon on its external face; practically necessary in all cases, is not without risk. It may happen, in fact, that the water thus projected comes into contact with the liquid metal which is poured into the rim. There is then a risk of explosions occurring which in most cases cause the metal strip to rupture and can therefore seriously damage the casting wheel.
  • the device and method according to the invention make it possible to overcome the limitations and complications of the known prior art.
  • This device the characteristics of the preamble of claim 1 taking into account FR-A-2 317 032, makes it possible to achieve this objective by the characteristics mentioned in the characterizing part.
  • the device according to the invention consists of a casting wheel provided with a rim and means for closing off said rim over part of its periphery.
  • the rim of the casting wheel of the invention has a groove.
  • Its shutter means include, like the shutter means of the mold with movable walls of FR-A-2 317 032, a plurality of movable flaps substantially contiguous enveloping the product poured from the supply of liquid metal to the extraction of the solidified product.
  • these movable flaps are pivotally mounted on the casting wheel so that each movable flap maintains a determined location along the rim during the rotation of the casting wheel.
  • closure means also include the means for opening and closing the flaps, means such that the flaps are in direct contact with the edges of the rim between the point of introduction of the liquid metal into the groove and a point close to the extraction point of the solidified metal bar or strip, and that the flaps are open, leaving the space located above the groove of the rim in the extraction zone of this solidified bar or strip.
  • These means for opening and closing the movable flaps comprise fixed ramps integral with the frame which supports the casting wheel
  • the flaps comprise a means of cooling by internal circulation of water and, moreover, clamping means ensure that the flaps are pressed against the rim of the wheel with sufficient pressure.
  • connecting means make it possible to secure the flaps together.
  • FIG. 5 represents a casting wheel (29) driven by a motor, not shown, which rotates in the direction of the arrow and the rim (30) of which is fitted with movable flaps such as (31).
  • the flaps (31) are supported on the edges of the rim in an angular zone located between the point of introduction of the liquid metal into the groove by a supply means (32) up to a . point close to that where the solidified bar or strip (33) is extracted from the groove by a suitable means such as the guide rollers (34).
  • the flaps are in the open position and arranged so as not to interfere with the operation of the means of extraction, and not to obstruct the passage of the solidified bar or strip which is generally directed towards reduction means for example by rolling, and not to obstruct the operation of the liquid metal supply means either .
  • an essential feature of the invention is that the movable flaps (31) permanently accompany the casting wheel in its rotation and that each of them maintains along the rim thereof, a determined location.
  • Connecting hooks (35), shown schematically in Figure 5, maintain the flaps against each other, to avoid any leakage of liquid metal through a possible space between two adjacent flaps.
  • a fixed ramp (36) surrounds the casting wheel throughout the angular region where the flaps must remain closed, and ensures the plating thereof on the rim flange by means of conventional clamping means.
  • FIG. 6 shows in detail an advantageous embodiment of the shutters according to the invention.
  • the casting wheel (29) which is shown in partial section along a plane parallel to the axis, comprises a rim (30) provided with a groove (37) intended to receive the liquid metal and to allow it to solidify.
  • This rim is cooled by a circulation of water which takes place in a known manner in the annular space (38) and which is maintained by a system of arrival and departure of water, which is carried out for example through the 'axis of the wheel which is hollow and comprises in known manner, the necessary connections with the external network.
  • the flap (39) is an assembly which is articulated by means of an arm (40) on the axis (41) which is itself fixed in a yoke rigidly connected to the structure of the casting wheel in the vicinity of the rim.
  • the arm (40) is extended beyond the axis (41) by a lever (42) on which is fixed a roller (43).
  • each flap In practice, the opening and closing of each flap are caused for an angular position very well determined relative to the frame, as seen in Figure 7, by means of fixed ramps (44) integral with the frame on which is mounted the casting wheel.
  • the profile of these ramps is designed to move the rollers (43) up or down according to the desired angle.
  • the closing plate (45) of the flap shown in section is centered relative to the rim (30) by means of centering pins, such as (46).
  • These pins connected to the closure plate (45) penetrate at the time of the tilting of the flap, when it comes to bear on the rim (30), in housings such as (47) formed in this rim.
  • the closure plate (45) is placed in a reproducible manner each time it comes to bear on the rim (30).
  • an elastic tightening means is used.
  • each flap has a housing (48) inside which the closure plate is resiliently fixed by springs such as (49).
  • the housing includes rollers such as (50).
  • the flaps engage in a space delimited by a fixed annular ramp (36) concentric with the wheel against which the rollers (50) come to roll .
  • the distance between the ramp and the rim of the casting wheel is calculated so that the springs (49) are compressed by means of the rollers (50).
  • the closure plate is thus applied against the rim with sufficient force.
  • each closure plate is equipped with an internal cooling means (51).
  • an internal cooling means 51).
  • water is most often used as a cooling fluid, it can be seen that the use of flaps articulated directly on the casting wheel allows an extremely easy supply of fluid from the wheel itself which, in turn, is supplied without difficulty thanks to fluid inlets and outlets at its axis.
  • the closure plate (45) has a double wall inside which water passages (51) are provided.
  • Figures 6, 7, 8 and 9 are connected by flexible connecting tubes, for example made of elastomer, symbolized at (54), to inlets and corresponding water outlets such as (55-56), formed on the lateral face of the casting wheel not far from the point of attachment of the tilting axis (41).
  • the length of these connecting tubes is determined so as not to prevent tilting of the flap.
  • FIG. 9 a system for attaching the successive flaps to each other is shown in FIG. 9. It can be seen that each flap has a hook (57) articulated around an axis (58) which is capable of catching on a tenon ( 59).
  • the opening and closing of the hook is controlled by a roller (60) which is raised or lowered by suitably arranged stops.
  • the connecting means thus produced makes it possible to avoid leakage of liquid metal between the closure plates.
  • shutters of relatively small dimensions, and of compact structure, articulated separately on the casting wheel itself, allows the use of the most suitable metals for the closure plate to withstand direct contact with the metal to be poured.
  • metals with high specific heat and / or high thermal conductivity such as aluminum, magnesium, copper, silver or else certain alloys of these metals.
  • the second wall, or outer wall of the plate can be made of a metal of much higher mechanical strength. Thanks to vigorous fluid cooling of the closure plate, practically no deformation is observed due to differential expansion phenomena.
  • the dimensions of the closure plates are calculated so as to take account of the expansion of the rim during use in order to avoid leakage of liquid metal.
  • the embodiment provided for closing the casting wheel makes it possible to envisage a very significant modification of the profile of the bars or strips cast by this process.
  • the angle formed between the inner face of the metal strip and the side walls of the groove is approximately 80 °. This results from the need for a draft of about ten degrees to be able to get the bar out of the throat. In addition, there can be no rounding at the top of this angle which is therefore sharp.
  • the walls of the groove wear out, there is a risk of small infiltrations of liquid metal between the strip and the edge of the rim, which are an additional reason for deburring.
  • connection between the closure plate and the rim is thus produced on the lateral faces of the bar and, thanks to the centering devices which are used, no relative transverse displacement of this closure plate is observed with respect to the rim .
  • the invention relates not only to the casting device which has just been described, but also to a method of casting on a wheel metals or alloys with a high melting point such as copper and its alloys, steels and other metals. or high melting point alloys.
  • This method allows, by closing the rim in the casting area, by means of flaps cooled by circulation of a fluid such as water, to obtain a very rapid solidification of the metals or alloys cast.
  • liquid metal supply means can be placed in a controlled atmosphere.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Braking Arrangements (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Wire Processing (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Metal Extraction Processes (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP82420062A 1981-05-15 1982-05-12 Procédé et dispositif de coulée continue sur roue à gorge Expired EP0066524B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82420062T ATE16900T1 (de) 1981-05-15 1982-05-12 Verfahren und vorrichtung zum stranggiessen mit hilfe eines giessrades mit umfangsnut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8110098A FR2505690A1 (fr) 1981-05-15 1981-05-15 Procede et dispositif de coulee continue sur roue a gorge
FR8110098 1981-05-15

Publications (2)

Publication Number Publication Date
EP0066524A1 EP0066524A1 (fr) 1982-12-08
EP0066524B1 true EP0066524B1 (fr) 1985-12-11

Family

ID=9258707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82420062A Expired EP0066524B1 (fr) 1981-05-15 1982-05-12 Procédé et dispositif de coulée continue sur roue à gorge

Country Status (15)

Country Link
US (1) US4444244A (enrdf_load_stackoverflow)
EP (1) EP0066524B1 (enrdf_load_stackoverflow)
JP (1) JPS57193270A (enrdf_load_stackoverflow)
KR (1) KR880001958B1 (enrdf_load_stackoverflow)
AT (1) ATE16900T1 (enrdf_load_stackoverflow)
AU (1) AU542181B2 (enrdf_load_stackoverflow)
BR (1) BR8202768A (enrdf_load_stackoverflow)
CA (1) CA1185414A (enrdf_load_stackoverflow)
DE (1) DE3267885D1 (enrdf_load_stackoverflow)
ES (1) ES512110A0 (enrdf_load_stackoverflow)
FI (1) FI69973C (enrdf_load_stackoverflow)
FR (1) FR2505690A1 (enrdf_load_stackoverflow)
IN (1) IN158949B (enrdf_load_stackoverflow)
MX (1) MX158768A (enrdf_load_stackoverflow)
ZA (1) ZA823353B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3670967D1 (de) * 1986-12-19 1990-06-13 Mannesmann Ag Giessvorrichtung fuer metalle mit einem kontinuierlich umlaufenden tragelement.
FR2697182B1 (fr) * 1992-10-26 1995-01-13 Clecim Sa Dispositif pour le guidage d'une barre de coulée de la sortie de sa roue de coulée jusqu'à l'entrée d'un laminoir.
AU2005200721B2 (en) * 2001-04-09 2007-11-15 Sumitomo Electric Industries, Ltd. Magnesium Alloy Material and Method of Manufacturing the Alloy Material
WO2002083341A1 (fr) * 2001-04-09 2002-10-24 Sumitomo Electric Industries, Ltd. Materiau en alliage de magnesium et son procede de fabrication
DE102012007312A1 (de) * 2012-04-13 2013-10-17 Kme Germany Gmbh & Co. Kg Gießrad

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR683940A (fr) * 1928-11-14 1930-06-19 Perfectionnements à la fabrication des billettes, barres et pièces métalliques similaires
FR894970A (fr) * 1942-02-20 1945-01-11 Andre Arthur Tranchart Procédé et dispositif pour la coulée en continu des métaux
US2745151A (en) * 1953-11-23 1956-05-15 Joseph B Brennan Method and apparatus for continuous casting
US3538978A (en) * 1965-04-07 1970-11-10 Arnold H Boehm Method of rotatively casting continuous ingots
US3999914A (en) * 1971-05-14 1976-12-28 Breco Kunststoffverarbeitungs-Gmbh & Co. Kg Device for producing in a continuous manner reinforced profile belts from extruded material
FR2317032A1 (fr) * 1975-07-08 1977-02-04 Pechiney Aluminium Procede de coulee continue dans la jante d'une roue
US4211271A (en) * 1977-12-14 1980-07-08 Southwire Company Continuous casting mold geometry improvement

Also Published As

Publication number Publication date
ATE16900T1 (de) 1985-12-15
FI821669A0 (fi) 1982-05-12
ES8307554A1 (es) 1983-07-01
KR880001958B1 (ko) 1988-10-08
FI69973C (fi) 1986-09-12
JPS57193270A (en) 1982-11-27
FR2505690B1 (enrdf_load_stackoverflow) 1984-01-20
CA1185414A (fr) 1985-04-16
BR8202768A (pt) 1983-04-19
KR830009822A (ko) 1983-12-23
IN158949B (enrdf_load_stackoverflow) 1987-02-28
DE3267885D1 (en) 1986-01-23
FI821669L (fi) 1982-11-16
FR2505690A1 (fr) 1982-11-19
FI69973B (fi) 1986-01-31
MX158768A (es) 1989-03-13
EP0066524A1 (fr) 1982-12-08
US4444244A (en) 1984-04-24
AU542181B2 (en) 1985-02-07
JPS6141659B2 (enrdf_load_stackoverflow) 1986-09-17
ES512110A0 (es) 1983-07-01
ZA823353B (en) 1983-03-30
AU8372182A (en) 1982-11-18

Similar Documents

Publication Publication Date Title
CH624030A5 (enrdf_load_stackoverflow)
EP0230433B1 (fr) Procede et machine de coulee continue d'un produit metallique mince
EP0066524B1 (fr) Procédé et dispositif de coulée continue sur roue à gorge
FR2778126A1 (fr) Coulee de feuillards metalliques
EP0620061B1 (fr) Dispositif de changement rapide et de maintien d'une paroi latérale d'une machine de coulée continue d'un produit métallique entre cylindres
FR2698567A1 (fr) Procédé de coulée d'une bande métallique.
CA1093782A (fr) Procede de coulee continue entre deux series d'elements cylindriques refroidis et mobiles exercant une pression sur le metal en voie de solidification
EP0909346A1 (fr) Procede et installation de revetement electrolytique par une couche metallique de la surface d'un cylindre pour coulee continue de bandes metalliques minces
FR2556996A1 (fr) Procede d'alimentation de moules de fonderie en alliages metalliques sous pression differentielle controlee
EP0350345B1 (fr) Procédé et dispositif de coulée continue de produits métalliques minces
EP0242347A2 (fr) Dispositif pour la coulée d'un métal en phase pâteuse
EP0901851B1 (fr) Face laterale pour l'obturation de l'espace de coulee d'une installation de coulee continue de bandes metalliques entre cylindres, et installation de coulee ainsi equipee
CA1115478A (fr) Ruban metallique sans tension et a haute conductibilite thermique pour machine de coulee
FR2649340A1 (fr) Procede et dispositif de coulee continue entre cylindres de produits metalliques minces aptes au laminage a froid direct
EP0709151B1 (fr) Surface de coulée d'une lingotière de coulée continue des métaux à paroi mobile
CH647172A5 (fr) Machine de coulee continue de metal en fusion.
EP0875315B1 (fr) Installation de coulée continue de bandes métalliques entre deux cylindres
FR2529116A1 (fr) Procede et dispositif pour realiser une coulee continue a grande vitesse et a haut rendement
EP0413650A1 (fr) Procédé et dispositif de coulée continue directe de produits métalliques minces
EP0911096B1 (fr) Busette de coulée pour installation de coulée continue des métaux, notamment de coulée entre cylindres
BE738234A (enrdf_load_stackoverflow)
FR2697182A1 (fr) Dispositif pour le guidage d'une barre de coulée de la sortie de sa roue de coulée jusqu'à l'entrée d'un laminoir.
BE397358A (enrdf_load_stackoverflow)
EP0447336A1 (fr) Procédé de coulée continue rotative et dispositif pour sa mise en oeuvre
BE418869A (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE GB IT LU NL SE

17P Request for examination filed

Effective date: 19821220

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): AT BE CH DE GB IT LI LU NL SE

REF Corresponds to:

Ref document number: 16900

Country of ref document: AT

Date of ref document: 19851215

Kind code of ref document: T

ITF It: translation for a ep patent filed
REF Corresponds to:

Ref document number: 3267885

Country of ref document: DE

Date of ref document: 19860123

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19920527

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19920531

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19930422

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19930512

Ref country code: AT

Effective date: 19930512

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19930519

Year of fee payment: 12

Ref country code: CH

Payment date: 19930519

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19930521

Year of fee payment: 12

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19930616

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: LU

Payment date: 19930701

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19931201

EPTA Lu: last paid annual fee
NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19940512

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19940513

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19940531

Ref country code: CH

Effective date: 19940531

Ref country code: BE

Effective date: 19940531

BERE Be: lapsed

Owner name: UGINE ACIERS

Effective date: 19940531

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19940512

EUG Se: european patent has lapsed

Ref document number: 82420062.0

Effective date: 19941210

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19950201

EUG Se: european patent has lapsed

Ref document number: 82420062.0