WO1990000100A1 - Procede et installation de fabrication d'une bande metallique d'au maximum 10 mm d'epaisseur - Google Patents

Procede et installation de fabrication d'une bande metallique d'au maximum 10 mm d'epaisseur Download PDF

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Publication number
WO1990000100A1
WO1990000100A1 PCT/EP1989/000712 EP8900712W WO9000100A1 WO 1990000100 A1 WO1990000100 A1 WO 1990000100A1 EP 8900712 W EP8900712 W EP 8900712W WO 9000100 A1 WO9000100 A1 WO 9000100A1
Authority
WO
WIPO (PCT)
Prior art keywords
strip
takes place
plastic deformation
thickness
band
Prior art date
Application number
PCT/EP1989/000712
Other languages
German (de)
English (en)
Inventor
Friedrich Nordmeyer
Ingo Nix
Original Assignee
Sundwiger Eisenhütte Maschinenfabrik Grah & Co.
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6357606&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1990000100(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sundwiger Eisenhütte Maschinenfabrik Grah & Co. filed Critical Sundwiger Eisenhütte Maschinenfabrik Grah & Co.
Priority to DE8989907154T priority Critical patent/DE58902433D1/de
Priority to AT89907154T priority patent/ATE81314T1/de
Publication of WO1990000100A1 publication Critical patent/WO1990000100A1/fr
Priority to SU904894577A priority patent/RU1839682C/ru

Links

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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • 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
    • 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
    • B22D11/1213—Accessories for subsequent treating or working cast stock in situ for heating or insulating strands
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • C21D8/0215—Rapid solidification; Thin strip casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0071—Levelling the rolled product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0231—Warm rolling

Definitions

  • the tape has an uneven structure in this production. Particularly in the case of alloys with a multi-phase solidification structure, dendrites reaching from the edge zones to the middle of the strand occur. This unwanted microstructure cannot be removed by subsequent rolling alone. It is therefore customary, after casting, to store the strip temporarily and to subject it to a structure-refining treatment in a separate process.
  • the invention has for its object to provide a method with which a metal strip with a fine-grained or homogenized structure can be produced continuously.
  • the invention is also based on the object of creating a suitable system.
  • the invention is based on a method for producing a metal strip with a thickness of up to 10 mm, in which a molten metal is poured into a strip and the strip is subjected to a plastic deformation and heat treatment in one line and then passes through a cooling section.
  • a molten metal is poured into a strip and the strip is subjected to a plastic deformation and heat treatment in one line and then passes through a cooling section.
  • the strip is cast in a thickness close to the final dimensions and that the plastic deformation of the strip takes place at an elevated temperature and almost a reduction in thickness.
  • the temperature at which the plastic deformation takes place is lower than the temperature at which an annealing treatment then takes place.
  • the plastic deformation can take place simultaneously with the annealing treatment.
  • the annealing treatment should take place in a protective gas atmosphere. Even if the annealing treatment does not take place simultaneously with the plastic deformation and thus at a lower temperature, it is advantageous if the plastic deformation also takes place in a protective gas atmosphere.
  • the plastic deformation without a substantial reduction in the thickness of the band is preferably carried out by repeatedly bending the band around and parallel to the plane of the band Belt direction vertical axes.
  • the invention further relates to a system for producing the metal strip with a thickness of up to 10 mm.
  • a system for producing the metal strip with a thickness of up to 10 mm consists of a system arranged in a line, namely one
  • Belt casting device a heat treatment section and / or temperature compensation section, a deformation unit which plastically deforms the strip and a cooling section arranged at the end of the line.
  • the deformation unit is set up for a meandering passage of the belt in the manner of a straightening device.
  • the temperature compensation section is preferably arranged in front of the deformation unit. If the
  • Heat treatment section is set up for annealing, it is either integrated into the deformation unit or arranged downstream of it.
  • the parts of the plant should be thermally separated from one another.
  • the temperature compensation distance and the heat treatment distance must be set, depend on the material of the strip and whether the strip is to be subjected to a recrystallization annealing or whether it should be annealed for structural homogenization. If a fine-grained structure is sought for steel, for example, a temperature range of 700 to 1000 ° C has proven itself for recrystallization annealing. In the case of annealing for the purpose of structural homogenization, however, the annealing should take place at a temperature above 1000 ° C.
  • the invention is explained in more detail below with reference to a drawing which schematically shows two plants in side view, with which the two alternative methods can be carried out.
  • Molten metal is applied from a casting vessel 1 filled with molten metal via an outlet gap with an adjustable gap width to the smooth, cooled outer surface of a rotating cooling wheel 2.
  • the width of the outlet gap and the running speed of the cooling wheel 2 By adjusting the width of the outlet gap and the running speed of the cooling wheel 2, the thickness of the band 3 which solidifies on the outer surface can be adjusted to a thickness of up to 10 mm.
  • the belt 3 Forming a loop, the belt 3 reaches the area of a first pair of rollers 4.
  • the casting vessel 1 with its outlet gap, the cooling wheel 2 and the pair of rollers 4 are accommodated in a chamber 5 which is closed to the outside atmosphere and filled with protective gas.
  • the strip material is brought to a temperature dependent on the strip material in the chamber 6, which temperature is favorable for the plastic deformation in the subsequent chamber 7.
  • the belt 3 is meandered over rollers 9 and plastically deformed, which are arranged between a pair of brake rollers 10 and a pair of pull rollers 11.
  • This type of treatment of tape 3 corresponds to the treatment of one Tape in a straightener.
  • recrystallization annealing can be carried out, which, however, is then preferably carried out in a protective gas atmosphere.
  • the strip is then cooled in accordance with a predetermined program.
  • the treatment takes place in the same chamber 7 immediately after casting the strip in chamber 5.
  • the plastic deformation is not associated with a recrystallization annealing, rather the temperature of chamber 7 is increased to that for plastic Deformation set favorable temperature.
  • the treatment should also be carried out under a protective gas atmosphere. Only after this plastic deformation does recrystallization annealing take place in chamber 6, preferably under a protective gas atmosphere.
  • the chamber 8 is then cooled again according to a program dependent on the strip material.
  • the invention differs from the prior art in that the strip produced by casting is continuously treated further, so that at the end of the treatment a strip is obtained which, in contrast to the strips produced according to the prior art, has a fine-grained cross-section over its entire cross section or homogenized structure, depending on the treatment temperature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Coating With Molten Metal (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

Un procédé et un dispositif permettent de fabriquer une bande métallique à structure homogénéisée ou à grains fins ayant jusqu'à 10 mm d'épaisseur. Le traitement ultérieur de la bande suit immédiatement la coulée, notamment la régulation de la température de traitement et la déformation plastique de la bande sans que son épaisseur ne soit guère réduite, à une température élevée, suivie éventuellement d'un recuit et d'un refroidissement, en fonction du matériau dont se compose la bande. Cette production en continu d'une bande métallique permet d'obtenir par des moyens simples, c'est-à-dire sans laminages coûteux, une bande métallique ayant les dimensions finales voulues et dépourvue de toute caractéristique structurelle indésirable pour son utilisation ultérieure.
PCT/EP1989/000712 1988-06-30 1989-06-24 Procede et installation de fabrication d'une bande metallique d'au maximum 10 mm d'epaisseur WO1990000100A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE8989907154T DE58902433D1 (de) 1988-06-30 1989-06-24 Verfahren und anlage zum herstellen eines metallbandes mit einer dicke bis zu 10 mm.
AT89907154T ATE81314T1 (de) 1988-06-30 1989-06-24 Verfahren und anlage zum herstellen eines metallbandes mit einer dicke bis zu 10 mm.
SU904894577A RU1839682C (ru) 1988-06-30 1990-12-28 Способ изготовлени металлической полосы

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3822063.6 1988-06-30
DE3822063 1988-06-30

Publications (1)

Publication Number Publication Date
WO1990000100A1 true WO1990000100A1 (fr) 1990-01-11

Family

ID=6357606

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1989/000712 WO1990000100A1 (fr) 1988-06-30 1989-06-24 Procede et installation de fabrication d'une bande metallique d'au maximum 10 mm d'epaisseur

Country Status (6)

Country Link
EP (1) EP0422056B1 (fr)
JP (1) JPH03505704A (fr)
AT (1) ATE81314T1 (fr)
DE (2) DE3990711D2 (fr)
RU (1) RU1839682C (fr)
WO (1) WO1990000100A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5503217A (en) * 1990-07-23 1996-04-02 Davy Mckee (Sheffield) Limited Method of manufacturing metal strip
EP0707908A1 (fr) 1994-04-04 1996-04-24 Nippon Steel Corporation Procede de coulee en continu a double rouleaux et dispositif afferent
WO2002004145A2 (fr) * 2000-07-12 2002-01-17 Danieli Technology, Inc. Procede et dispositif permettant la production directe d'une bande metallique fine sans calamine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7418198A (en) * 1997-05-23 1998-12-11 Voest-Alpine Industrieanlagenbau Gmbh Casting cylinder for thin-band continuous casting installation
DE102004062636B4 (de) 2004-12-21 2007-05-24 Salzgitter Flachstahl Gmbh Einrichtung zum horizontalen Bandgießen von Stahl
US20120024434A1 (en) * 2008-12-09 2012-02-02 Rolf Franz Method for producing strips of metal, and production line for performing the method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666003A (en) * 1949-02-18 1954-01-12 Bethlehem Steel Corp Treating strip
US4296919A (en) * 1980-08-13 1981-10-27 Nippon Steel Corporation Apparatus for continuously producing a high strength dual-phase steel strip or sheet
EP0255674A2 (fr) * 1986-08-06 1988-02-10 Sundwiger Eisenhütte Maschinenfabrik Grah & Co Procédé de fabrication d'une bande coulée en métal à structure amorphe et/ou microcristalline

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US255674A (en) * 1882-03-28 Samuel d
SE448381B (sv) * 1978-09-19 1987-02-16 Tsuya Noboru Sett att framstella ett tunt band av kiselstal, tunt kiselstalband och anvendning av dylikt
JPS60244450A (ja) * 1984-05-14 1985-12-04 オリン　コーポレーシヨン 回転鋳造ストリツプを圧延する装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666003A (en) * 1949-02-18 1954-01-12 Bethlehem Steel Corp Treating strip
US4296919A (en) * 1980-08-13 1981-10-27 Nippon Steel Corporation Apparatus for continuously producing a high strength dual-phase steel strip or sheet
EP0255674A2 (fr) * 1986-08-06 1988-02-10 Sundwiger Eisenhütte Maschinenfabrik Grah & Co Procédé de fabrication d'une bande coulée en métal à structure amorphe et/ou microcristalline

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 11, Nr. 327 (M-635)(2774), 24. Oktober 1987; & JP-A-62110845 (Ishikawajima Harima Heavy Ind.) 21 May 1987 *
PATENT ABSTRACTS OF JAPAN, Band 12, Nr. 267 (M-722)(3114), 26. Juli 1988; & JP-A-6349350 (Kawasaki Steel Corp.) 2. Marz 1988 *
PATENT ABSTRACTS OF JAPAN, Band 5, Nr. 101 (M-76)(773), 30. Juni 1981; & JP-A-5645253 (Pioneer K.K.) 24. April 1981 *
PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 316 (M-438)(2039), 12. Dezember 1985; & JP-A-60152336 (Ig Gijutsu Kenkyusho K.K.) 10. August 1985 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5503217A (en) * 1990-07-23 1996-04-02 Davy Mckee (Sheffield) Limited Method of manufacturing metal strip
EP0707908A1 (fr) 1994-04-04 1996-04-24 Nippon Steel Corporation Procede de coulee en continu a double rouleaux et dispositif afferent
WO2002004145A2 (fr) * 2000-07-12 2002-01-17 Danieli Technology, Inc. Procede et dispositif permettant la production directe d'une bande metallique fine sans calamine
WO2002004145A3 (fr) * 2000-07-12 2002-05-30 Danieli Technology Inc Procede et dispositif permettant la production directe d'une bande metallique fine sans calamine
US6588491B2 (en) 2000-07-12 2003-07-08 Danieli Technology, Inc. Apparatus for the direct production of scale-free thin metal strip
US6622778B1 (en) 2000-07-12 2003-09-23 Danieli Technology, Inc. Method for the direct production of scale-free thin metal strip

Also Published As

Publication number Publication date
JPH03505704A (ja) 1991-12-12
RU1839682C (ru) 1993-12-30
DE3990711C1 (fr) 1993-03-25
ATE81314T1 (de) 1992-10-15
DE3990711D2 (en) 1991-04-25
EP0422056A1 (fr) 1991-04-17
EP0422056B1 (fr) 1992-10-07
DE58902433D1 (de) 1992-11-12

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