US20110000636A1 - Device for casting strands of metal - Google Patents

Device for casting strands of metal Download PDF

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Publication number
US20110000636A1
US20110000636A1 US12/449,478 US44947808A US2011000636A1 US 20110000636 A1 US20110000636 A1 US 20110000636A1 US 44947808 A US44947808 A US 44947808A US 2011000636 A1 US2011000636 A1 US 2011000636A1
Authority
US
United States
Prior art keywords
belt
trough
deflection roller
length
camber
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.)
Abandoned
Application number
US12/449,478
Other languages
English (en)
Inventor
Hans Streubel
Gereon Fehlemann
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.)
SMS Siemag AG
Original Assignee
SMS Siemag 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 SMS Siemag AG filed Critical SMS Siemag AG
Assigned to SMS SIEMAG AKTIENGESELLSCHAFT reassignment SMS SIEMAG AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FEHLEMANN, GEREON, STREUBEL, HANS
Publication of US20110000636A1 publication Critical patent/US20110000636A1/en
Abandoned 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
    • 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
    • B22D11/0631—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a travelling straight surface, e.g. through-like moulds, a belt
    • 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
    • B22D11/0654—Casting belts
    • 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
    • B22D11/0677—Accessories therefor for guiding, supporting or tensioning the casting belts

Definitions

  • the invention is directed to a device for casting strands of metal, in particular steel, with a material supply vessel, the liquid metal being delivered to the carrying side of a circulating conveyor belt by a pouring nozzle of the material supply vessel, wherein the conveyor belt comprises a thin, heat-resistant belt that circulates between a first deflection roller and a second deflection roller, the conveyor belt is shaped after the first deflection roller in a region of the pouring nozzle to form a trough for receiving the liquid metal and the conveyor belt resumes a flat shape in proximity to the second deflection roller.
  • a device of the type mentioned above is known from Japanese Publication 59147755 A, in which the trough shape of the belt is achieved by vertical and horizontal conveying rollers arranged along the conveying path between the two deflection rollers and act on the belt.
  • the belt usually a steel belt for this purpose—has an elasticity corresponding to the belt material that is used, a cost-effective lifetime cannot be achieved as a result of the different stresses on the belt along the width.
  • the device such that the stresses on the belt are reduced and evened out. Further, new materials are used for the belt material because of the reduced, more uniform stress on the belt. Further, the entry length and exit length are adapted to the geometry of the trough profile for specific adjustment of the degree of camber. This increases the cost effectiveness of the casting process appreciably.
  • the camber of at least one of the deflection rollers is varied by a pressure medium to compensate for the change in length, e.g., due to modified casting parameters.
  • a profiled cavity is provided in the roller shell.
  • the camber of the first deflection roller is smaller than that of the second deflection roller.
  • the camber can be calculated based on the geometry of the trough profile.
  • the average trough profile is used for the calculation when the trough profile varies over the length of the trough to adapt to the shrinkage of the casting profile.
  • FIG. 1 is a schematic side view of the belt with the deflection rollers in a side view
  • FIG. 2 is a cross section through the trough shape
  • FIG. 3 is a calculation model with a simplified trough shape as a rectangular shape for the calculation and cambering of the deflection roller;
  • FIG. 4 is a trough cross section for calculating the influence of temperature.
  • FIG. 1 is a side view of a belt 10 and deflection rollers 12 and 14 .
  • pouring nozzle 16 is configured to supply liquid metal to the belt 10 in an area between rollers 12 and 14 .
  • the belt 10 is shaped such that a portion of the area between the rollers 12 and 14 is trough-shaped. At least one of the rollers 12 , 14 is convexly cambered.
  • the camber of the rollers 12 , 14 is a function of the respective entry belt length Le and exit belt length La between the deflection roller and the trough profile ( FIG. 1 ) or, conversely, of the belt width B B , trough width B T , trough height H T and trough profile ( FIG. 2 ), where a rectangular longitudinal shape is assumed for purposes of the calculation.
  • the camber is yielded by: f(Le or La,B B ,B T ,H T , trough profile).
  • the calculation of the camber is preferably carried out for every point of the deflection roller between points A and B of the trough profile with coordinates X and Y and length Le (a) for half of the belt width B B between points C and D, shown in FIG. 3 .
  • the calculation of the camber is carried out for the entry side and the exit side.
  • the calculation of the different belt length owing to the varying temperature distribution over the width of the belt is carried out in a simplified manner according to the indicated formula.
  • the temperature profile over the width of the belt is calculated corresponding to the casting parameters.
  • the optimum camber of the deflection rollers for homogenized tensile stress over the width of the belt can be calculated for a given trough profile (casting format) and temperature profile by superposition:
  • the camber of the first deflection roller 14 is preferably smaller than that of the second deflection roller 12 .
  • the camber should be changeable, e.g., by a pressure medium, in at least one of the deflection rollers 12 , 14 .
  • a profiled cavity can be provided at the roller shell for applying pressure.
  • the entry length and exit length, respectively, should preferably be greater than 500 MM.
  • the maximum entry length or exit length is selected in such a way that the camber due to the trough profile is not greater than 2%.
  • the belt is preferably shaped by the deflection roller continuously over the distance Le or La to form the trough profile or flat belt.
  • a particularly suitable belt material is a thermal shock-resistant alloy based on CuNi, Fe.
  • the belt material can be made of a single-phase or multiple-phase Cu alloy or a nickel-based alloy.
  • the belt 10 preferably has a thickness from about 0.5 mm to about 2.0 mm.
  • the trough profile should have the shape of an arc and is preferably symmetrical.
US12/449,478 2007-02-26 2008-01-08 Device for casting strands of metal Abandoned US20110000636A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007010578A DE102007010578A1 (de) 2007-02-26 2007-02-26 Vorrichtung zum Gießen von Strängen aus Metall
DE102007010578.0 2007-02-26
PCT/DE2008/000031 WO2008104143A1 (de) 2007-02-26 2008-01-08 Vorrichtung zum giessen von strängen aus metall

Publications (1)

Publication Number Publication Date
US20110000636A1 true US20110000636A1 (en) 2011-01-06

Family

ID=39325644

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/449,478 Abandoned US20110000636A1 (en) 2007-02-26 2008-01-08 Device for casting strands of metal

Country Status (8)

Country Link
US (1) US20110000636A1 (zh)
EP (1) EP2129481A1 (zh)
JP (1) JP5289334B2 (zh)
KR (1) KR101135509B1 (zh)
CN (1) CN101622087A (zh)
CA (1) CA2677962C (zh)
DE (1) DE102007010578A1 (zh)
WO (1) WO2008104143A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8426914B2 (en) * 2010-09-02 2013-04-23 Sinopower Semiconductor Inc. Semiconductor device integrated with converter and package structure thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007011182A1 (de) * 2007-03-06 2008-09-11 Putzmeister Concrete Pumps Gmbh Vorrichtung zur partiellen Unterstützung eines Schlauches
CN102447383B (zh) * 2010-10-08 2014-08-27 大中积体电路股份有限公司 整合转换器的半导体组件及其封装结构
CN108941490A (zh) * 2018-08-28 2018-12-07 成都蜀虹装备制造股份有限公司 一种有色金属定向铸造器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6581675B1 (en) * 2000-04-11 2003-06-24 Alcoa Inc. Method and apparatus for continuous casting of metals
US20030205356A1 (en) * 1995-11-14 2003-11-06 Curt Braun Continuous chain caster and method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146227A (en) * 1977-05-26 1978-12-20 Nippon Mining Co Continuous casting method
JPS59113963A (ja) * 1982-12-21 1984-06-30 Kawasaki Steel Corp 連続鋳造鋳片支持装置
JPS59147755A (ja) 1983-02-09 1984-08-24 Kawasaki Steel Corp 半丸または丸形金属素材の連続鋳造装置
JPS61193746A (ja) * 1985-02-25 1986-08-28 Mitsubishi Heavy Ind Ltd ベルトキヤスタ
JPS63192539A (ja) * 1987-02-04 1988-08-09 Nippon Steel Corp 金属薄帯の連続鋳造方法及び装置
JPH0160749U (zh) * 1987-10-09 1989-04-18
JPH0667536B2 (ja) * 1988-01-14 1994-08-31 住友金属工業株式会社 薄鋳片連鋳機のベルトバックアップロール
JP2894713B2 (ja) * 1989-02-17 1999-05-24 新日本製鐵株式会社 金属薄帯連続鋳造装置
JPH02220745A (ja) * 1989-02-22 1990-09-03 Senju Metal Ind Co Ltd 連続鋳造方法および装置
JPH078416B2 (ja) * 1990-04-04 1995-02-01 新日本製鐵株式会社 単ベルト式連続鋳造機
JPH0957403A (ja) * 1995-08-29 1997-03-04 Hitachi Cable Ltd ベルトキャスター型連続鋳造装置
JP3038499B2 (ja) * 1995-11-14 2000-05-08 ファタ ハンター インコーポレイティド 連続チェーン鋳造装置及び連続鋳造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030205356A1 (en) * 1995-11-14 2003-11-06 Curt Braun Continuous chain caster and method
US6581675B1 (en) * 2000-04-11 2003-06-24 Alcoa Inc. Method and apparatus for continuous casting of metals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8426914B2 (en) * 2010-09-02 2013-04-23 Sinopower Semiconductor Inc. Semiconductor device integrated with converter and package structure thereof

Also Published As

Publication number Publication date
CN101622087A (zh) 2010-01-06
KR101135509B1 (ko) 2012-04-13
CA2677962A1 (en) 2008-09-04
CA2677962C (en) 2012-07-17
KR20090114395A (ko) 2009-11-03
DE102007010578A1 (de) 2008-08-28
JP2010519046A (ja) 2010-06-03
JP5289334B2 (ja) 2013-09-11
WO2008104143A1 (de) 2008-09-04
EP2129481A1 (de) 2009-12-09

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SMS SIEMAG AKTIENGESELLSCHAFT, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:STREUBEL, HANS;FEHLEMANN, GEREON;SIGNING DATES FROM 20090717 TO 20090728;REEL/FRAME:023211/0444

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION