EP1457278B1 - Procédé pour la production de cylindres creux en cuivre ou en alliage de cuivre, et cylindre de coulée d'un cylindre creux - Google Patents

Procédé pour la production de cylindres creux en cuivre ou en alliage de cuivre, et cylindre de coulée d'un cylindre creux Download PDF

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Publication number
EP1457278B1
EP1457278B1 EP04003328A EP04003328A EP1457278B1 EP 1457278 B1 EP1457278 B1 EP 1457278B1 EP 04003328 A EP04003328 A EP 04003328A EP 04003328 A EP04003328 A EP 04003328A EP 1457278 B1 EP1457278 B1 EP 1457278B1
Authority
EP
European Patent Office
Prior art keywords
hollow cylinder
winding
layers
copper
band
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
EP04003328A
Other languages
German (de)
English (en)
Other versions
EP1457278A1 (fr
Inventor
Dirk Dr. Rode
Meinhard Dipl.-Ing. Hecht
Matthias Dr. Konczalla
Gerhard HUGENSCHÜTT
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.)
KM Europa Metal AG
Original Assignee
KM Europa Metal 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 KM Europa Metal AG filed Critical KM Europa Metal AG
Publication of EP1457278A1 publication Critical patent/EP1457278A1/fr
Application granted granted Critical
Publication of EP1457278B1 publication Critical patent/EP1457278B1/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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
    • 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
    • B22D11/008—Continuous casting of metals, i.e. casting in indefinite lengths of clad ingots, i.e. the molten metal being cast against a continuous strip forming part of the cast product
    • 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
    • B22D11/0651—Casting wheels

Definitions

  • the invention relates to a method for producing a hollow cylinder Copper or a copper alloy.
  • the invention is directed to a Casting roller made of a hollow cylinder.
  • the invention is - based on the prior art - the object of a Method for producing a hollow cylinder made of copper or a copper alloy to create, in particular, the production of large-format products in one greater variation with economic effort allows. Furthermore, a can be provided economically to be produced casting roll in large format.
  • the layer-wise winding of the tape becomes a hollow cylinder with homogeneous structural properties produced. It is possible, hollow cylinder with different Material properties to manufacture, through different strip materials. For example, reinforcing materials such as steel, glass or carbon fibers be integrated into such a band. That way you can completely new copper composites with higher or with to the respective requirements specifically adapted strength properties are provided.
  • the tape at an angle of 90 ° be fed to the longitudinal axis of the carrier body. It can also be two or several bands are wound parallel next to each other. Neighboring bands are then pasted over their band edges. The width and the number of bands determine while the length of the hollow cylinder to be produced.
  • Another winding method provide the features of claim 3. After that the band is deviating in a 90 ° to the longitudinal axis of the carrier body Supplied angle. This is done oscillating over the entire length of the produced Hollow cylinder, in layers from the one end of the carrier body to the other.
  • the heating at least the outer layer of the winding serves to better connect the individual layers with each other.
  • the heating up can be performed, for example, inductively.
  • the joining of the layers can be done in different ways. According to claim 7, the layers are joined by pressing. This is done under high pressure. In particular, the so-called hot isostatic pressing (“Hippen”) applied become.
  • Hippen hot isostatic pressing
  • a welding according to claim 8 is conceivable.
  • the Layers are joined by brazing.
  • Requirements for a perfect brazing are oxide-free surfaces, a protective gas atmosphere, but no Inert gas may be wrapped with, or the use of vacuum.
  • the tape to form a V-shaped Winding gap obliquely from above the horizontally oriented carrier body is fed, wherein in the winding nip high phosphorus-containing liquid solder with deoxidizing effect in a protective gas atmosphere or under vacuum ready and at least the outer winding layer of the winding body to soldering temperature is held.
  • this method is constantly in the winding nip Lotpool, whereby all resulting gaps between the layers with Lot filled. If at least the outer winding layer is heated, can constantly solder to a sufficient extent during the winding as a melt be provided in the winding nip.
  • the soldering takes place under Vacuum.
  • the temperature in the soldering gap should be approximately equal to the temperature of the solder plus 50 ° C.
  • the features of claim 11 are then preferably used, if at least two bands at an angle of 90 ° to the longitudinal axis of the carrier body be supplied. Depending on the width of the bands can then the finished wound hollow cylinders are coaxially joined together. Suitable for this purpose in particular, electron beam welding or friction stir welding, because of the wound hollow cylinder usually precipitation hardened materials for Get used. Their properties are then not or only slightly negatively influenced.
  • Vorrohr be made for a mold tube. Also could by the winding process Vorrohr be created with graduated material properties, if different Materials are used. These can then both longitudinally the hollow cylinder can be used as well as in the radial direction.
  • the skirting boards can be fastened in different variants. Is advantageous e.g. soldering, welding or hot isostatic pressing. Also a shrinking is conceivable.
  • the material of the skirting can match the same as the band be. However, it is also possible to choose a different material type. It is advantageous, e.g. a choice of material with particularly favorable wear properties.
  • the thermal conductivity should be as similar as possible to the material of the tape.
  • the features of claim 14 allow a finished wound hollow cylinder thereby reshaping into a plate that the hollow cylinder in a its longitudinal axis cutting plane and then bent flat. In connection This plate can be further transformed into a mold plate.
  • the entire circumferential casting surface the casting roll is coated.
  • the coatability of the edge strips as a criterion.
  • the coating of the surfaces can be galvanic respectively.
  • the application of a thermal spray coating is conceivable.
  • complete wear sleeves can be applied.
  • Casting rolls manufactured by the process according to the invention are in the patent claims 15 and 16 marked.
  • 1 denotes a drive which is rotatable by means of a drive (not shown) cylindrical support body made of steel.
  • a drive (not shown) cylindrical support body made of steel.
  • a band 2 of a copper alloy in several layers 3 wound.
  • the winding direction is designated WR.
  • the layers are 3 when winding directly flat each other.
  • the tape 2 is obliquely from above to form a V-shaped winding nip 4 fed to the horizontally oriented carrier body 1.
  • the vacuum is not illustrated in detail.
  • At least the outer one Winding layer 3 of the winding body 6 is, in particular inductively, not illustrated in detail Keep the soldering temperature.
  • the band 2 can according to Figure 2 at an angle ⁇ of 90 ° to the longitudinal axis 7 of the carrier body 1 are supplied.
  • the length L corresponds to that of the wound Hollow cylinder 6 of the width B of the band 2.
  • the layers 3 are not shown in detail in both FIG. 2 and FIG.
  • Figures 4 and 5 show an embodiment in which two according to the representations of Figures 1 and 2 wound hollow cylinder 6 coaxially to each other are joined.
  • the joining of the two end faces 10, 11 of the hollow cylinder 6 is, for example done using the electron beam welding.
  • the joint is denoted by 12.
  • Figure 5 also shows that to form a casting roll 13, the two together joined hollow cylinder 6 with an increased wear resistance having coating 14 are provided.
  • This coating 14 can also be used in Form a wear sleeve to be applied to the two hollow cylinder 6.
  • Figures 6 and 7 illustrate an embodiment in which a ready wound hollow cylinder 6 in a longitudinal axis 15 intersecting plane E-E separated and this slotted hollow cylinder 6 then according to the arrows VII has been stretched in a plate 16.
  • This plate 16 can then be a mold plate be further transformed.
  • FIG. 8 shows a casting machine 17 with two casting rolls 13 in the diagram illustrated. With DR, the directions of rotation of the casting rolls 13 are designated.
  • a casting roll 13 is a wound according to Figures 1 and 3, the hollow cylinder 6 along the marginal edges 18 provided with annular edge strips 19 (FIGS 8 and 9).
  • FIG. 9 a marginal edge region 20 of a wound one Hollow cylinder 6 turned out rectangular and in this twisted marginal edge area 20 an annular skirt 19 inserted.
  • the critical abutment with the numerous expiring band ends is eliminated and achieved an uncritical stress on the front pages.
  • the determination of the edge strips 19 can by soldering, welding or through Hot isostatic pressing done. A shrinking is conceivable.
  • the casting rolls 13 can in particular by hot isostatic pressing on steel cores 22 be joined. This is schematically illustrated in FIG. 4 in broken lines illustrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Continuous Casting (AREA)

Claims (16)

  1. Procédé de fabrication d'un cylindre creux (6) en cuivre ou en alliage de cuivre
    dans lequel
    une bande (2, 2a) de cuivre ou d'un alliage de cuivre est enroulée en plusieurs couches (3) sur un corps porteur (1), les différentes couches (3) étant réunies au moins par endroits au cours de l'enroulement, et le corps porteur (1) étant enlevé après l'enroulement.
  2. Procédé selon la revendication 1,
    dans lequel
    la bande (2) est amenée sous un angle (α) de 90 ° par rapport à l'axe longitudinal (7) du corps porteur (1).
  3. Procédé selon la revendication 1,
    dans lequel
    la bande (2a) est amenée sous un angle (β) différent de 90 ° par rapport à l'axe longitudinal (7) du corps porteur (1).
  4. Procédé selon une des revendications 1 à 3,
    dans lequel
    lors de l'enroulement des couches (3), leurs surfaces sont débarrassées des couches d'oxyde qui y adhèrent.
  5. Procédé selon une des revendications 1 à 4,
    dans lequel
    lors de l'enroulement des couches (3), au moins la couche (3) qui est la couche extérieure au moment considéré est chauffée.
  6. Procédé selon une des revendications 1 à 5,
    dans lequel
    l'enroulement et l'assemblage des couches (3) sont exécutés sous gaz protecteur ou sous vide.
  7. Procédé selon une des revendications 1 à 6,
    dans lequel
    les couches (3) sont assemblées par compression.
  8. Procédé selon une des revendications 1 à 6,
    dans lequel
    les couches (3) sont assemblées par soudage.
  9. Procédé selon une des revendications 1 à 6,
    dans lequel
    les couches (3) sont assemblées par brasage.
  10. Procédé selon la revendication 9,
    dans lequel
    la bande (2, 2a) est amenée au corps porteur (1), dirigé horizontalement, obliquement du haut vers le bas avec formation d'une fente d'enroulement (4) en forme de V, en même temps qu'on approvisionne la fente d'enroulement (4) en brasure liquide (5) à haute teneur en phosphore et à fort effet désoxydant dans une atmosphère de gaz protecteur ou sous vide et qu'au moins la couche extérieure (3) de l'enroulement du corps enroulé (6) (cylindre creux) soit maintenue à la température de brasage.
  11. Procédé selon une des revendications 1 à 10,
    dans lequel
    au moins deux cylindres creux (6) entièrement enroulés sont assemblés coaxialement l'un à l'autre.
  12. Procédé selon une des revendications 1 à 11,
    dans lequel
    pour la formation d'un rouleau de coulée (13), au moins un cylindre creux (6) entièrement enroulé, est muni d'un revêtement (14) présentant une plus grande résistance à l'usure ou d'un manchon d'usure (14).
  13. Procédé selon une des revendications 1 à 11,
    dans lequel
    pour la formation d'un rouleau de coulée (13), au moins un cylindre creux (6) entièrement enroulé est muni de bordures annulaires (19) le long des chants marginaux (18).
  14. Procédé selon une des revendications 1 à 11,
    dans lequel
    au moins un cylindre creux (6) entièrement enroulé est ouvert dans un plan (E-E) qui contient son axe longitudinal (15) et ce cylindre creux (6) fendu est transformé en une plaque (16).
  15. Rouleau de coulée (13)
    formé à partir d'au moins une bande (2, 2a) en cuivre ou en un alliage de cuivre enroulée en un cylindre creux (6).
  16. Rouleau de coulée selon la revendication 15,
    formé à partir d'au moins deux cylindres creux (6) enroulés, assemblés coaxialement l'un à l'autre.
EP04003328A 2003-03-14 2004-02-14 Procédé pour la production de cylindres creux en cuivre ou en alliage de cuivre, et cylindre de coulée d'un cylindre creux Expired - Lifetime EP1457278B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10311153 2003-03-14
DE10311153A DE10311153A1 (de) 2003-03-14 2003-03-14 Verfahren zur Herstellung eines Hohlzylinders aus Kupfer oder einer Kupferlegierung sowie Gießrolle aus einem Hohlzylinder

Publications (2)

Publication Number Publication Date
EP1457278A1 EP1457278A1 (fr) 2004-09-15
EP1457278B1 true EP1457278B1 (fr) 2005-10-05

Family

ID=32748237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04003328A Expired - Lifetime EP1457278B1 (fr) 2003-03-14 2004-02-14 Procédé pour la production de cylindres creux en cuivre ou en alliage de cuivre, et cylindre de coulée d'un cylindre creux

Country Status (5)

Country Link
EP (1) EP1457278B1 (fr)
AT (1) ATE305833T1 (fr)
DE (2) DE10311153A1 (fr)
DK (1) DK1457278T3 (fr)
ES (1) ES2247568T3 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001047A1 (de) * 1990-01-16 1991-10-02 Sundwiger Eisen Maschinen Giessrad mit einem auswechselbaren, angetriebenen giessring fuer eine zweiwalzen-bandgiessmaschine
FR2666757B1 (fr) * 1990-09-14 1992-12-18 Usinor Sacilor Virole pour cylindre de coulee continue des metaux, notamment de l'acier, entre cylindres ou sur un cylindre.
US6474402B1 (en) * 1999-07-02 2002-11-05 Armco Inc. Segmented roll for casting metal strip
DE10134074C1 (de) * 2001-07-13 2003-01-23 Thyssenkrupp Nirosta Gmbh Gießwalze für das Vergießen von Metallschmelze und Verfahren zur Herstellung einer solchen Gießwalze

Also Published As

Publication number Publication date
EP1457278A1 (fr) 2004-09-15
DK1457278T3 (da) 2006-02-20
DE502004000079D1 (de) 2006-02-16
DE10311153A1 (de) 2004-09-23
ES2247568T3 (es) 2006-03-01
ATE305833T1 (de) 2005-10-15

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