EP1545813B1 - Plaque d'etancheite servant a l'etanchement lateral d'une fente de coulee formee entre deux rouleaux de coulee d'une machine de coulee en bande - Google Patents

Plaque d'etancheite servant a l'etanchement lateral d'une fente de coulee formee entre deux rouleaux de coulee d'une machine de coulee en bande Download PDF

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Publication number
EP1545813B1
EP1545813B1 EP03757906A EP03757906A EP1545813B1 EP 1545813 B1 EP1545813 B1 EP 1545813B1 EP 03757906 A EP03757906 A EP 03757906A EP 03757906 A EP03757906 A EP 03757906A EP 1545813 B1 EP1545813 B1 EP 1545813B1
Authority
EP
European Patent Office
Prior art keywords
sealing plate
casting
sealing
rollers
plate according
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
Application number
EP03757906A
Other languages
German (de)
English (en)
Other versions
EP1545813A1 (fr
Inventor
Heinrich Marti
Jacques Barbe
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.)
Main Management Inspiration AG
SMS Siemag AG
Original Assignee
Main Management Inspiration AG
SMS Demag 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 Main Management Inspiration AG, SMS Demag AG filed Critical Main Management Inspiration AG
Publication of EP1545813A1 publication Critical patent/EP1545813A1/fr
Application granted granted Critical
Publication of EP1545813B1 publication Critical patent/EP1545813B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B22D11/0637—Accessories therefor
    • B22D11/0648—Casting surfaces
    • B22D11/066—Side dams

Definitions

  • the invention relates to a sealing plate for side sealing of a casting gap formed between two casting rolls of a strip casting machine according to the preamble of claim 1.
  • the sealing plates are usually made of refractory materials such as boron nitride, SiONON with boron nitride or similar materials that are extremely expensive, as in the sealing plate according to the US-A-6,051,058 to meet.
  • the publication US-A-5,172,750 discloses a sealing plate for side sealing of a casting gap formed between two casting rolls of a strip casting machine.
  • the sealing plate is constructed in two parts, such that a first refractory part limits the actual casting gap and comes into contact with the melt, while the second part is in contact with the end face of the respective roller and consists of a material with a low coefficient of friction. This side seal is relatively complicated and limited in their life.
  • the present invention has for its object to provide a sealing plate of the type mentioned, which has a sufficient life with the least possible wear, and allows the production of a metal strip with uniform side parts without fins.
  • the sealing plate is coated on its sealing side at least in the face region of the casting rolls with a good sliding and Abriebeigenschaften having material
  • the sealing plate can be composed of two, for example, from the aforementioned materials parts, whereby the cost of a soabdichtungstab incl , necessary preheating etc. are significantly reduced. Nevertheless, sufficient life can be achieved in the continuous casting operation until the preparation or reuse (on average about 8 to 20 h) and the wear of the sealing plates is kept to a minimum.
  • FIG. 1 to 3 show a side seal 10 "for a roll-strip casting machine which is provided for lateral sealing of a casting gap formed between two casting rolls
  • Two side seals 10" also called narrow side parts
  • the sealing plate 41 of the side seal 1 is composed of two parts 42, 43 which are housed together in the container-shaped part 16 of the holding frame 12 and preferably held by means of the wedging elements 29.
  • the first, the wetted area covering part 42 is made of a refractory material and is held with an intermediate insulation 44 in the support frame 12.
  • the second part 43 is made of a high-temperature resistant alloy (eg, No-Cr-Co, Ni-Cr, Ni-Mo, Ni-W), a gray cast iron, high-strength steel, etc. and can at best also with intervening insulation (in Fig. 1 and 3 is no insulation plate shown) in the holding frame 12 and its part 16 are held. Both parts 42, 43 may in turn be provided on the sealing side 41 a with the same or with different coating.
  • the second part 43 of the sealing plate 41 has a kind of "snout shape" with two legs 43s extending along the casting rollers end sides and converging down to a common middle area 43m, between which the first part 42 protrudes from above.
  • the first part 42 rounded in its lowermost region or have a horizontal or oblique lower separation surface, wherein the lowermost parting line or separation surface 46 (Fig. 1 and 2) between the two sealing plate parts 42, 43 above a so-called Kuss horr, in which the two partially solidified at the respective Giessrollen- surface layers converge.
  • the first part 42 also preferably overlaps the casting roll end faces radially by an amount of up to 4.0 mm, so that not only in the wetted area, but also along the roll edges and above the kiss point, a relatively small heat flow is achieved, and no washouts or breakouts arise.
  • the exact roller edge contour can also be blurred by overlapping coating of the two sealing plate parts 42, 43.
  • the first part 42 can rest on a shoulder surface 47 of the second part 43, wherein the second part 43 forms a rear support frame-side support 48 for the first part 42.
  • sealing plate parts with superior isolation plates these are preheated before the casting process.
  • existing sealing plate parts comes inductive, or resistance heating before and during the casting process into consideration.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Claims (8)

  1. Plaque d'étanchéité pour l'étanchéité latérale d'une fente de coulée formée entre deux rouleaux (1, 2) de coulée d'une machine de coulée en bande, qui peut être mise en position du côté frontal sur les rouleaux (1, 2) de coulée et qui a une première et une deuxième partie (42, 43), la plaque (41) d'étanchéité ayant dans la zone mouillée une première partie (42) en un matériau réfractaire ainsi qu'une deuxième partie (43) associée aux côtés frontaux des rouleaux (1, 2) de coulée et en un métal résistant aux températures hautes, au moins la deuxième partie (43) étant revêtue d'une matière résistante à l'usure et ayant un petit coefficient de frottement,
    caractérisée
    en ce que la deuxième partie (43) a une sorte de « forme en bec » ayant deux branches (43s) s'étendant le long des côtés frontaux des rouleaux de coulée et se réunissant en bas en une région (43m) moyenne commune, branches entre lesquelles la première partie (42) pénètre par le haut, de sorte que la ligne de séparation ou la surtaxe de séparation (46) la plus basse entre les deux parties (42, 43) d'étanchéité se trouve au-dessus du point d'embrassement des rouleaux de coulée.
  2. plaque d'étanchéité suivant la revendication 1,
    caractérisée
    en ce qu'un revêtement des deux parties (42, 43) de la plaque d'étanchéité est différent.
  3. Plaque d'étanchéité suivant la revendication 1 ou 2,
    caractérisée
    en ce que les deux parties (42, 43) de la plaque d'étanchéité peuvent être maintenues fixes dans le cadre (12'') de maintien au moyen d'éléments (29) cunéiformes, réfractaires et disposés sur leur pourtour, un isolant (44) étant prévu au moins entre la première partie (42) et le cadre (12'') de maintien.
  4. Plaque d'étanchéité suivant la revendication 3,
    caractérisée
    en ce que la première partie (42) s'applique sur une surface (48) arrière en retrait de la deuxième partie.
  5. Plaque d'étanchéité suivant l'une des revendications 1 à 4,
    caractérisée
    en ce que la deuxième partie (43) est en un alliage qui résiste aux températures hautes, comme un alliage en Ni-Cr, Ni-Cr-Co, Ni-Mo ou Ni-W, en fonte à graphite lamellaire ou en un acier très résistant.
  6. Plaque d'étanchéité suivant l'une des revendications 1 à 4,
    caractérisée
    en ce que la matière de revêtement de la deuxième partie (43) est du nitrure de bore, du SIALON, du SiALON avec du nitrure de bore ou des matières pouvant être abrasées.
  7. Plaque d'étanchéité suivant l'une des revendications 1. à 4,
    caractérisée
    en ce que la première partie (42) est en un carbone contenant du graphite ou en un mélange de SiO2, d'Al2O3, d'oxyde de zirconium et de graphite.
  8. Machine de coulée en bande à rouleaux pour la production d'une bande métallique par coulée continue de métal fondu entre deux rouleaux (1, 2) de coulée, ayant des étanchéités (10, 10', 10") latérales disposées dans la région des côtés frontaux des rouleaux (1, 2) de coulée, comprenant des plaques (11, 31, 41) d'étanchéité suivant l'une des revendications 1 à 7.
EP03757906A 2002-10-04 2003-10-02 Plaque d'etancheite servant a l'etanchement lateral d'une fente de coulee formee entre deux rouleaux de coulee d'une machine de coulee en bande Expired - Lifetime EP1545813B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH01657/02A CH696138A5 (de) 2002-10-04 2002-10-04 Dichtplatte zur Seitenabdichtung eines zwischen zwei Giessrollen einer Bandgiessmaschine gebildeten Giessspaltes.
CH165702 2002-10-04
PCT/EP2003/010956 WO2004033130A1 (fr) 2002-10-04 2003-10-02 Plaque d'etancheite servant a l'etanchement lateral d'une fente de coulee formee entre deux rouleaux de coulee d'une machine de coulee en bande

Publications (2)

Publication Number Publication Date
EP1545813A1 EP1545813A1 (fr) 2005-06-29
EP1545813B1 true EP1545813B1 (fr) 2007-08-08

Family

ID=32075137

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03757906A Expired - Lifetime EP1545813B1 (fr) 2002-10-04 2003-10-02 Plaque d'etancheite servant a l'etanchement lateral d'une fente de coulee formee entre deux rouleaux de coulee d'une machine de coulee en bande

Country Status (6)

Country Link
EP (1) EP1545813B1 (fr)
AT (1) ATE369220T1 (fr)
AU (1) AU2003273941A1 (fr)
CH (1) CH696138A5 (fr)
DE (1) DE50307902D1 (fr)
WO (1) WO2004033130A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH697156A5 (de) 2004-09-17 2008-05-30 Main Man Inspiration Ag Seitenabdichtung eines zwischen zwei Giessrollen einer Bandgiessmaschine gebildeten Giessspaltes.
CN100368120C (zh) * 2005-12-02 2008-02-13 重庆大学 双辊连铸镁合金薄带浇铸装置
CN102426047B (zh) * 2011-12-14 2013-06-19 中冶赛迪工程技术股份有限公司 振动加料装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03118945A (ja) * 1989-10-02 1991-05-21 Nippon Steel Corp 双ロール式連続鋳造機
FR2666256B1 (fr) * 1990-09-03 1992-10-16 Usinor Sacilor Installation de coulee continue entre cylindres.
FR2670413B1 (fr) * 1990-12-17 1993-04-09 Usinor Sacilor Dispositif de coulee continue de bandes minces de metal, notamment d'acier.
IT1284201B1 (it) * 1996-07-31 1998-05-08 Sviluppo Materiali Spa Piastre con riporti ceramici antiusura per macchine per colata conntinua di corpi piani sottili e procedimento per la loro
FR2755384B1 (fr) * 1996-11-06 1998-11-27 Usinor Sacilor Enduit protecteur pour elements en materiau refractaire d'une lingotiere de coulee continue des metaux, et elements en materiau refractaire protege a l'aide de cet enduit
IT1302959B1 (it) * 1998-12-31 2000-10-10 Acciai Speciali Terni Spa Piastre refrattarie per macchine di colata continua di corpi pianisottili.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2004033130A1 (fr) 2004-04-22
DE50307902D1 (de) 2007-09-20
AU2003273941A8 (en) 2004-05-04
EP1545813A1 (fr) 2005-06-29
CH696138A5 (de) 2007-01-15
AU2003273941A1 (en) 2004-05-04
ATE369220T1 (de) 2007-08-15

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