EP1457278A1 - 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
EP1457278A1
EP1457278A1 EP04003328A EP04003328A EP1457278A1 EP 1457278 A1 EP1457278 A1 EP 1457278A1 EP 04003328 A EP04003328 A EP 04003328A EP 04003328 A EP04003328 A EP 04003328A EP 1457278 A1 EP1457278 A1 EP 1457278A1
Authority
EP
European Patent Office
Prior art keywords
hollow cylinder
layers
winding
copper
joined
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
Application number
EP04003328A
Other languages
German (de)
English (en)
Other versions
EP1457278B1 (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
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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
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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 one Casting roller made from a hollow cylinder.
  • the invention is based on the object Process for producing a hollow cylinder made of copper or a copper alloy to create that in particular the production of large format products in one allows for a greater range of variation with economic effort. Furthermore, a economically manageable cast roll can be provided in large format.
  • a band of copper or a copper alloy is now in several Layers wrapped on a carrier body, the individual layers during winding be joined at least in some areas. After winding, the support body away. Then there is a hollow cylinder.
  • hollow cylinders With winding the tape in layers, it becomes a hollow cylinder with homogeneous structural properties manufactured. It is possible to use hollow cylinders with different To produce material properties, namely through different tape materials. For example, reinforcement 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 the respective requirements specifically adjusted strength properties are provided.
  • the band can be at an angle of 90 ° are fed to the longitudinal axis of the carrier body. It can also be two or several tapes are wound in parallel next to each other. Adjacent bands are then added over their band edges. Determine the width and number of bands the length of the hollow cylinder to be manufactured.
  • Another winding method provide the features of claim 3. After that the band is in a deviating from 90 ° to the longitudinal axis of the carrier body Angle fed. This takes place in an oscillating manner over the entire length of the item to be manufactured Hollow cylinder, in layers from one end of the support body to the other.
  • Heating at least the outer layer of the winding serves to better connect the individual layers with each other.
  • the heating up can be carried out inductively, for example.
  • the layers can be joined in various 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 (“bouncing”) can be used become.
  • the Layers are joined by brazing.
  • Requirements for perfect brazing are oxide-free surfaces, a protective gas atmosphere, but none Shielding gas may be wrapped, or the use of vacuum.
  • the band forming a V-shaped Winding gap obliquely from above the horizontally aligned support body is supplied, with in the winding gap high phosphorus-containing liquid solder Deoxidizing effect in a protective gas atmosphere or under vacuum and at least the outer winding layer of the winding body to the soldering temperature is held.
  • the winding gap Lotpool there is a constant in the winding gap Lotpool, whereby all the resulting gaps between the layers with Lot to be filled out. If at least the outer winding layer is heated up, can continuously solder to a sufficient extent as a melt during winding be made available in the winding nip.
  • the soldering is preferably carried out under Vacuum.
  • the temperature in the soldering gap should correspond approximately 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 are fed. Depending on the width of the tapes can then the finished wound hollow cylinders are joined together coaxially. Suitable for this especially electron beam welding or friction stir welding, because for the wound hollow cylinder usually precipitation hardened materials for Get involved. Then their properties become nonexistent or only marginal negatively influenced.
  • At least one front pipe can easily be made from a completely wound hollow cylinder for a mold tube.
  • Front tube with graduated material properties can be created when different Materials are used. These can then both in the longitudinal direction of the hollow cylinder and used in the radial direction.
  • the edging strips can be attached in different variants. It is advantageous e.g. soldering, welding or hot isostatic pressing. Also shrinking is conceivable.
  • the material of the edge strips can be of the same type as the band his. Another material type can also be selected. It is advantageous e.g. a choice of materials 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 to form into a plate that the hollow cylinder in one of its longitudinal axis cutting plane and then bent flat. In connection this plate can then be further formed into a mold plate.
  • the edge strips can be coated to consider as a criterion.
  • the coating of the surfaces can be galvanic respectively. It is also conceivable to apply a thermal spray coating. Complete wear sleeves can also be applied.
  • Casting rolls produced by the method according to the invention are in the claims 15 and 16 marked.
  • 1 is a drive that is rotatable by a drive (not shown in more detail) cylindrical support body made of steel.
  • a carrier body 1 On this carrier body 1 is a band 2 of a copper alloy is wound in several layers 3. The winding direction is labeled WR. Although in Figure 1 between the individual layers 3 a distance is drawn, the layers 3 are immediately flat during winding each other.
  • the tape 2 is inclined from above, forming a V-shaped winding gap 4 fed to the horizontally aligned carrier body 1.
  • Located in the winding gap 4 a high phosphorus-containing liquid solder 5 with a deoxidizing effect under vacuum.
  • the vacuum is not illustrated in more detail.
  • At least the outside The winding position 3 of the winding body 6 is illustrated, in particular inductively, in FIG Way kept at soldering temperature.
  • the tape 2 can according to Figure 2 at an angle ⁇ of 90 ° to the longitudinal axis 7 of the carrier body 1 can be fed.
  • the length L corresponds to the wound Hollow cylinder 6 of width B of band 2.
  • a narrow band 2a according to Figure 3 in a 90 ° angle ⁇ deviating from the longitudinal axis 7 of the carrier body 1 is supplied.
  • the band 2a is on the carrier body 1 according to the arrow PF whose left end face 8 from to the right end face 9 and then according to the arrow PF1 oscillating from the right face 9 to the left face 8 and wrapped here.
  • the layers 3 are not shown either in FIG. 2 or in FIG. 3.
  • Figures 4 and 5 show an embodiment in which two according to the representations of Figures 1 and 2 wound hollow cylinder 6 coaxially are joined.
  • the joining of the two end faces 10, 11 of the hollow cylinder 6 is, for example using electron beam welding.
  • the joint is designated with 12.
  • Figure 5 also shows that to form a casting roll 13 the two together joined hollow cylinder 6 with increased wear resistance having coating 14 are provided.
  • This coating 14 can also in Form of a wear sleeve can be applied to the two hollow cylinders 6.
  • Figures 6 and 7 illustrate an embodiment in which one is ready wound hollow cylinder 6 in a plane E-E intersecting its longitudinal axis 15 separated and this slotted hollow cylinder 6 then according to the arrows VII has been stretched into a plate 16. This plate 16 can then become a mold plate to be reshaped.
  • FIG. 8 shows a casting machine 17 with two casting rolls 13 in the diagram illustrated. With DR the directions of rotation of the casters 13 are designated.
  • a casting roll 13 is a hollow cylinder wound according to FIGS. 1 and 3 6 provided along the marginal edges 18 with annular marginal strips 19 (figures 8 and 9).
  • a marginal edge region 20 is wound Hollow cylinder 6 rotated rectangular and in this turned edge area 20 an annular rim 19 inserted. Through this sidebar 19, the critical joint surface with the numerous band ends running out is eliminated and achieved an uncritical stress on the end faces.
  • the edge strips 19 can be fixed by soldering, welding or by hot isostatic pressing. Shrinking is also conceivable.
  • the casting rollers 13 can in particular by hot isostatic pressing on steel cores 22 be joined. This is shown schematically in FIG. 4 in broken lines illustrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Rolls And Other Rotary Bodies (AREA)
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
DE10311153A DE10311153A1 (de) 2003-03-14 2003-03-14 Verfahren zur Herstellung eines Hohlzylinders aus Kupfer oder einer Kupferlegierung sowie Gießrolle aus einem Hohlzylinder
DE10311153 2003-03-14

Publications (2)

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

Citations (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
EP0477121A1 (fr) * 1990-09-14 1992-03-25 Usinor Sacilor Virole pour cylindre de coulée continue des métaux, 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

Patent Citations (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
EP0477121A1 (fr) * 1990-09-14 1992-03-25 Usinor Sacilor Virole pour cylindre de coulée continue des métaux, 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
EP1457278B1 (fr) 2005-10-05
DE10311153A1 (de) 2004-09-23
ES2247568T3 (es) 2006-03-01
DE502004000079D1 (de) 2006-02-16
DK1457278T3 (da) 2006-02-20
ATE305833T1 (de) 2005-10-15

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