WO2012134128A2 - Appareil pour couler une bande mince non symétrique, appareil pour couler une bande mince non symétrique et bande métallique produite par celui-ci - Google Patents

Appareil pour couler une bande mince non symétrique, appareil pour couler une bande mince non symétrique et bande métallique produite par celui-ci Download PDF

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Publication number
WO2012134128A2
WO2012134128A2 PCT/KR2012/002167 KR2012002167W WO2012134128A2 WO 2012134128 A2 WO2012134128 A2 WO 2012134128A2 KR 2012002167 W KR2012002167 W KR 2012002167W WO 2012134128 A2 WO2012134128 A2 WO 2012134128A2
Authority
WO
WIPO (PCT)
Prior art keywords
roll
cooling
metal
rolls
thin plate
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.)
Ceased
Application number
PCT/KR2012/002167
Other languages
English (en)
Korean (ko)
Other versions
WO2012134128A3 (fr
Inventor
정효태
최병학
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.)
Industry Academy Cooperation Foundation of Gangneung Wonju National University
Original Assignee
Industry Academy Cooperation Foundation of Gangneung Wonju National University
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 Industry Academy Cooperation Foundation of Gangneung Wonju National University filed Critical Industry Academy Cooperation Foundation of Gangneung Wonju National University
Publication of WO2012134128A2 publication Critical patent/WO2012134128A2/fr
Publication of WO2012134128A3 publication Critical patent/WO2012134128A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • 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
    • B22D11/0637—Accessories therefor
    • B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
    • B22D11/0682—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting wheel
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould

Definitions

  • the different cooling conditions may be, for example, different rotation angle velocities of the first and second rolls.
  • the cooling temperature of the first roll and the second roll may be different.
  • the diameters of the first roll and the second roll may be different from each other, and the rotational linear velocities of the first roll and the second roll having different diameters may be controlled to be the same. .
  • the diameters of the first roll and the second roll may be set differently from each other, and the rotational linear speeds of the first roll and the second roll may be maintained the same.
  • the first roll and the second roll are provided with an asymmetrical sheet casting method in which the cooling conditions for the molten metal are set different from each other.
  • first columnar top and the second columnar top may have a cross-sectional area perpendicular to the length of the columnar column or the longitudinal direction of the columnar column.
  • the average value of the first inclination angle and the second inclination angle may be different from each other.
  • the metal thin plate may have a dense packed hexagonal (HCP), face centered cubic (FCC) or body core cubic (BCC) crystal structure, for example, magnesium (Mg), titanium (Ti), zirconium (Zr), It may include one or an alloy thereof selected from the group consisting of zinc (Zn), aluminum (Al), copper (Cu), iron (Fe) and steel (steel).
  • HCP dense packed hexagonal
  • FCC face centered cubic
  • BCC body core cubic
  • Mg magnesium
  • Ti titanium
  • It may include one or an alloy thereof selected from the group consisting of zinc (Zn), aluminum (Al), copper (Cu), iron (Fe) and steel (steel).
  • the texture may represent a state in which crystalline grains of the polycrystalline material are aligned in a constant direction.
  • the texture may be referred to as a texture or texture, and its scope is not limited by its name.
  • the texture of the material is used in a relative concept rather than an absolute concept. In other words, a material having an aggregate in a certain direction means that a large part of the grains of the material have an aggregate in that direction, and that all grains of the material have an aggregate in that direction. It does not mean.
  • the pair of cooling rolls 104a and 104b are arranged in parallel with a predetermined spaced space to accommodate the molten metal 101 introduced from the tundish 102.
  • the second roll 104b is arranged in parallel. ).
  • a portion of the separation space spaced apart from each other by the first roll 104a and the second roll 104b may be referred to as a roll nip 105.
  • the molten metal 101 in the tundish 102 is injected downward by the nozzle 103, and the molten metal 101 thus introduced is the first roll 104a and the second roll 104b on the top of the roll nip 105.
  • a pool 106 of molten metal is formed in the region defined by the.
  • Side dams 107 are installed at both end portions of the first roll 104a and the second roll 104b to prevent the leakage of the molten metal forming the pool 106. Since the surface of the pool 106 is located at the lower end of the nozzle 103, the lower end of the nozzle 103 may be immersed into the pool 106.
  • each of the pair of cooling rolls 104a and 104b may be cooled by a cooling medium moving along an installed cooling passage (not shown).
  • the direction of the columnar tissue may be inclined at a predetermined angle with respect to the surface of the metal sheet. That is, in the casting method using a general mold, as the solidification proceeds, the growth direction of the columnar tablet grows in a direction perpendicular to the surface. However, in the thin plate casting method of the present invention, it has a constant angle of inclination, not perpendicular to the surface of the metal sheet according to the rotational speed and the cooling rate of the roll.
  • the first roll 104a and the second roll 104b are cooled by adding a cooling medium having a different cooling ability or a cooling medium having a different temperature to a cooling flow path inside the first roll 104a and the second roll 104a.
  • the temperature can be set differently.
  • the first roll 104a and the second roll 104b may control the rotational linear velocity defined by multiplying the radius of the roll by the rotational angular velocity by controlling the rotational angular velocity.
  • a power motor (not shown) may be connected to the first roll 104a and the second roll 104b to control the ratio of the rotational angular velocity of each roll, and the first roll 104a may be controlled by controlling the power motor.
  • the ratio of the rotational angular velocity of the second roll 104b by controlling the ratio of the reciprocal of the radius of the first roll 104a and the second roll 104b so that the first roll 104a and the second roll 104b
  • the linear linear velocity can be kept the same.
  • the molten metal is solidified in the separation space to discharge the solidified region to the side opposite to the side into which the molten metal is input, that is, under the roll nip 105 to manufacture the metal thin plate 108.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Abstract

La présente invention vise à améliorer les propriétés physiques de matériaux, telles que l'aptitude à la formation, ou analogue, d'une bande métallique qui est coulée, en permettant à chacun de deux rouleaux formant une paire d'avoir des conditions de refroidissement différentes dans un procédé de coulée en bande mince à doubles rouleaux. A cet effet, un aspect de la présente invention porte sur un appareil de coulée en bande mince, lequel appareil comprend : une paire de rouleaux de refroidissement disposés en parallèle et présentant un espacement prédéterminé entre ceux-ci pour recevoir un métal fondu qui est injecté, la paire de rouleaux de refroidissement comprenant un premier rouleau qui tourne dans une première direction de façon à refroidir le métal fondu qui est injecté dans ledit espacement ; et un second rouleau qui tourne dans une seconde direction opposée à la première direction de façon à refroidir le métal fondu qui est injecté dans ledit espacement dans une condition de refroidissement qui est différente de celle du premier rouleau.
PCT/KR2012/002167 2011-03-28 2012-03-26 Appareil pour couler une bande mince non symétrique, appareil pour couler une bande mince non symétrique et bande métallique produite par celui-ci Ceased WO2012134128A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0027654 2011-03-28
KR1020110027654A KR101274501B1 (ko) 2011-03-28 2011-03-28 비대칭 박판주조장치, 비대칭 박판주조방법 및 이에 의해 제조된 금속박판

Publications (2)

Publication Number Publication Date
WO2012134128A2 true WO2012134128A2 (fr) 2012-10-04
WO2012134128A3 WO2012134128A3 (fr) 2013-01-10

Family

ID=46932091

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/002167 Ceased WO2012134128A2 (fr) 2011-03-28 2012-03-26 Appareil pour couler une bande mince non symétrique, appareil pour couler une bande mince non symétrique et bande métallique produite par celui-ci

Country Status (2)

Country Link
KR (1) KR101274501B1 (fr)
WO (1) WO2012134128A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107999716A (zh) * 2017-12-28 2018-05-08 西南铝业（集团）有限责任公司 一种铝合金铸造结晶器
CN110340317A (zh) * 2019-08-09 2019-10-18 河南科技大学 一种制备超细晶铜铝复合薄板带的异步铸轧方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101696577B1 (ko) * 2016-05-02 2017-01-13 홍익대학교 산학협력단 금속박판 주조장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2901345B2 (ja) * 1989-12-25 1999-06-07 新日本製鐵株式会社 チタン・アルミニウム金属間化合物薄板及びその製造方法
JPH07185748A (ja) * 1993-12-28 1995-07-25 Nippon Steel Corp 双ロール式連続鋳造方法
JP2006175488A (ja) * 2004-12-24 2006-07-06 Mitsubishi-Hitachi Metals Machinery Inc 双ロール式連続鋳造機及び双ロール式連続鋳造方法
JP4914098B2 (ja) * 2006-03-30 2012-04-11 株式会社神戸製鋼所 アルミニウム合金鋳造板の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107999716A (zh) * 2017-12-28 2018-05-08 西南铝业（集团）有限责任公司 一种铝合金铸造结晶器
CN110340317A (zh) * 2019-08-09 2019-10-18 河南科技大学 一种制备超细晶铜铝复合薄板带的异步铸轧方法
CN110340317B (zh) * 2019-08-09 2021-05-25 河南科技大学 一种制备超细晶铜铝复合薄板带的异步铸轧方法

Also Published As

Publication number Publication date
WO2012134128A3 (fr) 2013-01-10
KR101274501B1 (ko) 2013-06-13
KR20120109225A (ko) 2012-10-08

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