EP1202828A1 - Machine a couler des bandes pourvue de rouleaux de coulee - Google Patents

Machine a couler des bandes pourvue de rouleaux de coulee

Info

Publication number
EP1202828A1
EP1202828A1 EP00964020A EP00964020A EP1202828A1 EP 1202828 A1 EP1202828 A1 EP 1202828A1 EP 00964020 A EP00964020 A EP 00964020A EP 00964020 A EP00964020 A EP 00964020A EP 1202828 A1 EP1202828 A1 EP 1202828A1
Authority
EP
European Patent Office
Prior art keywords
machine according
casting machine
jacket
casting
support
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
EP00964020A
Other languages
German (de)
English (en)
Other versions
EP1202828B1 (fr
Inventor
Hans Streubel
Heinrich A. Marti
Jacques Barbe
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.)
Main Management Inspiration AG
SMS Siemag AG
Original Assignee
Main Management Inspiration AG
SMS Demag 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 Main Management Inspiration AG, SMS Demag AG filed Critical Main Management Inspiration AG
Publication of EP1202828A1 publication Critical patent/EP1202828A1/fr
Application granted granted Critical
Publication of EP1202828B1 publication Critical patent/EP1202828B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • B22D11/06—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
    • 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
    • B22D11/10—Supplying or treating molten metal

Definitions

  • the invention relates to a strip casting machine consisting of two substantially parallel casters according to the preamble of claim 1.
  • strip casting machines to continuously produce strips from molten metal, in particular from molten steel.
  • the liquid metal is continuously fed to a casting gap defined by driven casting pipes.
  • the liquid metal solidifies in front of and in the casting gap and an at least partially solidified strip is conveyed out through the casting pipes.
  • This strip can be subjected to further continuous or discontinuous operations such as cooling, reheating, hot or cold rolling, profile conversion, surface treatment, trimming etc.
  • the casting gap is also known to limit the casting gap with narrow side parts in the case of strip casting machines with two casting pipes arranged essentially in parallel. Such narrow side parts can rest against the end faces of the casting tubes or can be inserted between the outer surfaces or bales of the casting tubes and can be arranged, for example, to adjust the format of the strip.
  • the casting tubes are arranged in a stand and can be displaced or pivoted essentially transversely to the longitudinal axis of the casting roll in order to adjust the strip thickness.
  • the casting tubes, in particular the bales of the casting tubes are cooled intensively from the inside and / or outside with a cooling medium.
  • the casting tubes are made of different materials, whereby a material with high thermal conductivity is selected for the cooled bales and high-strength steel for the bearing journal and roller core.
  • the bearing journals, the roller core and the bales form a roller unit which can be rotated by means of a drive.
  • the drive is in the Roll pin initiated and transferred from this to the bale.
  • This construction which is known from classic rolling mill construction or from the classic construction of drive rollers for billet or slab continuous casting plants, requires space for the drives on the side of the casting plant and thereby worsens the lateral access to the casting gap and to the narrow side parts, which limit the length of the casting gap.
  • This known casting roll construction also influences the stand structure, the space required for multi-strand systems, the change of casting pipes and narrow side parts, the oxidation protection of the liquid metal and the cast strip and the activities for operating and maintaining the system.
  • the invention is based on the object of building a strip casting machine which overcomes the disadvantages mentioned and which in particular has an optimal ratio between machine width and castable bandwidth, a simple structure and both for the roll change and for the setting and replacement of the casting gap Narrow side parts allow better accessibility and, thanks to the compact design, ensure better protection against oxidation of the metal feed and the cast product.
  • the structure of the roll can be better adapted to the needs as a casting roll in the sense of a cooled mold, as can be seen from the further explanations.
  • protection against oxidation of the metal feed protection against oxidation of the cast product with corresponding quality improvements is also more easily possible in the strip casting machine according to the invention.
  • the support elements can be part of the jacket on the one hand and / or form part of the stationary axis on the other hand. All the support elements can also be part of the cooled jacket of the casting roll, so that the jacket is formed in one piece with the support elements and is rotatably mounted on the stationary axis.
  • the support elements are advantageously designed as concentric support rings which can be connected to the jacket and are mounted on the fixed axis.
  • the drive can attack, for example, directly or indirectly on the jacket part of the casting roller.
  • An advantageous solution is achieved if a first part of the length of the support rings protrudes into the casing and has cooling water supply and discharge bores for cooling water circulation between the stationary axis and the casing.
  • a second part of the length of the support rings protrudes from the casing and is provided with bearing and drive elements on at least one side for a rotational movement of the casing rigidly connected to the support rings on the stationary axis.
  • a clamping ring with driver wedges is provided between the support rings and the jacket.
  • the casting roller drive can take place in a variety of ways in accordance with the solutions known in the prior art.
  • An advantageous and simple solution is obtained if a toothed ring is attached to the support ring and is operatively connected to a toothing of a stationary drive.
  • a drive gear can, for example, be flanged to the stationary axis.
  • one or more ring torque motors drive the casing via the support rings. It is particularly advantageous to drive the casting rollers by means of a motor arranged on or on the axis, preferably a brushless ring torque motor.
  • the cooling of the jacket itself can also be accomplished according to various solutions known in the prior art for a circulation of the cooling medium.
  • a simple and very cooling-effective solution is obtained if the jacket is provided with holes along its circumference parallel to the longitudinal axis of the roller for a cooling medium circulation, the direction of flow changing from hole to hole. The number of holes must therefore be even.
  • the stationary axis is provided with cooling medium supply and discharge devices that simultaneously connect or disconnect cooling medium supply and discharge lines when the roll is placed on or when it is lifted off the stand and / or there are water tension plates for the supply of water and / or multi-couplings for grease, energy supply, gas connection, for example. inert gas or air, and control are provided.
  • a simple and quick positioning and fixing of the pouring tubes is achieved if the stationary axis is provided with a stop and a support surface on both sides of the casing and if stop and contact surfaces are arranged on the stand for placing the pouring tubes from above.
  • a swivel arm can be articulated on both sides of the stand as a fastening device.
  • an electromagnetic brake can be applied between the rotating jacket and the stationary axis. be classified.
  • a particular advantage with regard to the placement and fastening of such an electromagnetic brake is seen in the fact that it can be arranged stationary on the stationary axis.
  • Figure 1 is a schematic view of a belt casting machine and partially shown
  • Figure 2 is a vertical section through a casting roll.
  • Figure 3 shows an enlarged section of a casting roll with cooled
  • FIG. 1 two substantially parallel casting rolls 1 and 2 are arranged with cylindrical shells 4 on a stand 3 indicated by dash-dotted lines.
  • a casting gap 6 delimited on both sides of the casting tubes 1, 2 by means of narrow side parts 5 is indicated by dimension lines.
  • Such a casting gap 6 can be between 1-15 mm, preferably 1.5-5 mm.
  • Bearing journals 8, 9 of the casting tubes 1, 2 are designed as square on their contact surfaces 10, 11. Stop surfaces 12, 13 of the bearing pins 8, 9 are used as a roller stop on the stand 3. At least one of the stop surfaces 12, 13 of the bearings 8, 9 can be adjusted by means of position-controlled cylinders arranged in the stand 3 in order to set the desired casting gap. For the sake of simplicity, a double arrow is shown in FIG. 1 in this regard.
  • the fixed roller can be aligned using position-controlled cylinders.
  • adjustment spindles or other adjustment means having the same effect can also be provided.
  • 15 'gear wheels for driving the casting tubes 1, 2 are shown schematically.
  • Such strip casting machines can be used for various casting metals, preferably for the production of steel strip.
  • a casting roll is shown at 21 on an enlarged scale compared to Fig. 1.
  • the casting roller 21 is supported on a stand 23 which is only partially shown.
  • a stationary axis 24 which penetrates the entire roller 21 is supported on the stand 23 with its square ends with a length 25.
  • the length of a bale of the casting roll 21 is indicated by a measurement arrow 26.
  • This bale consists essentially of a cylindrical jacket 27 which is rigidly connected by means of driver wedges 28 with a clamping ring with two support rings 29, 29 '.
  • the jacket 27 is cooled by a cooling medium, preferably water.
  • the two support rings 29, 29 ' are mounted on the axis 24 by means of slide bearings, ball or roller bearings 31.
  • the grooves 33 are aligned with radial feed and discharge bores 34, 42 of the stationary axis 24 and the jacket 27.
  • the cooling water is fed from the stator 23 into the support rings 29, 29 'and the jacket 27 via further bores 30, 30' in the axis 24.
  • a second part of the length of the support rings 29, 29 'protrudes from the jacket 27 and the support ring 29 is in operative connection with a drive, for example with a gear drive 36 for the casting roller 21.
  • the gear drive 36 can be flanged onto the stationary axis 24. It is in engagement with a ring gear 37 which is screwed onto the support ring 29.
  • the gear drive 36, 37 shown it is possible in the sense of an alternative solution to drive the casting roller 21 with one or more ring torque motors.
  • the cooling of the bales of the pouring ducts, or of the cylindrical jackets 27, can be ensured along its circumference by cooling water circulation in axially arranged bores 39.
  • the coupling and uncoupling of the cooling water inflow and outflow to the casting tubes 21 takes place simultaneously with the installation or removal of the roller 21 from the Stand 23 or over water clamping plates for water and / or over multi-couplings for the grease, energy supply, for the supply of gases, for example inert gas or air, and control.
  • a swivel arm 40 is articulated on both sides of the stand 23.
  • the structure of the roller allows a particularly advantageous installation of an electromagnetic brake 41 within the casting roller 21 between the stationary axis 24 and the rotating jacket 27.
  • the electromagnetic brake can calm turbulence in the metal bath, especially in the bath level above the casting gap.
  • the electromagnetic brake is advantageously arranged stationary on the stationary axis.
  • the cylindrical jacket 27 between the two support rings 29, 29 'can have additional support rings for supporting the jacket 27 on the stationary axis 24.
  • These additional support rings are also connected to the jacket 27 and are mounted radially and axially on the axis 24 with ball or roller bearings.
  • the jacket 27 is shown as a cylindrical body.
  • the jacket 27 can also have a slight crowning or cone shape, etc., without deviating from the subject matter of the invention.
  • FIG. 3 shows the enlarged section of one side of the casting roll 1.
  • the cooled jacket is formed in two parts.
  • the jacket part 27 ' which contains the hot jacket bale, is cooled by means of axially running, coolant-conducting bores 39.
  • the other jacket part 27 is provided in one piece with a support element 29 '.
  • Both jacket parts 27, 27 ' are preferably connected to one another by means of electron beam welding.
  • the casing part 27 or its support element 29 ′ is on the stationary axis 24 with the aid of the bearing element 31 rotatably mounted.
  • the casting roller designed in this way is preferably driven by means of a brushless ring torque motor 36 arranged directly on the axis 24.
  • the cooling medium supply and discharge devices 30 drilled in the axis 24 are also clearly visible.
  • the other side of the casting roller, not shown, is with or designed without drive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Basic Packing Technique (AREA)
  • Moulding By Coating Moulds (AREA)
EP00964020A 1999-08-20 2000-08-16 Machine a couler des bandes pourvue de rouleaux de coulee Expired - Lifetime EP1202828B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH152899 1999-08-20
CH01528/99A CH690903A5 (de) 1999-08-20 1999-08-20 Bandgiessmaschine mit zwei Giessrollen.
PCT/EP2000/007961 WO2001014085A1 (fr) 1999-08-20 2000-08-16 Machine a couler des bandes pourvue de rouleaux de coulee

Publications (2)

Publication Number Publication Date
EP1202828A1 true EP1202828A1 (fr) 2002-05-08
EP1202828B1 EP1202828B1 (fr) 2003-06-25

Family

ID=4212555

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99811004A Withdrawn EP1078703A1 (fr) 1999-08-20 1999-11-03 Dispositif de coulée de bande entre deux cylindres
EP00964020A Expired - Lifetime EP1202828B1 (fr) 1999-08-20 2000-08-16 Machine a couler des bandes pourvue de rouleaux de coulee

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99811004A Withdrawn EP1078703A1 (fr) 1999-08-20 1999-11-03 Dispositif de coulée de bande entre deux cylindres

Country Status (17)

Country Link
US (1) US6698497B1 (fr)
EP (2) EP1078703A1 (fr)
JP (1) JP4953538B2 (fr)
KR (1) KR100762127B1 (fr)
CN (1) CN1207119C (fr)
AT (1) ATE243584T1 (fr)
AU (1) AU7509600A (fr)
BR (1) BR0013459A (fr)
CA (1) CA2383410C (fr)
CH (1) CH690903A5 (fr)
DE (1) DE50002666D1 (fr)
EA (1) EA002998B1 (fr)
ES (1) ES2202173T3 (fr)
MY (1) MY126049A (fr)
TW (1) TW518259B (fr)
WO (1) WO2001014085A1 (fr)
ZA (1) ZA200202015B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017117465A1 (fr) * 2015-12-29 2017-07-06 Extreme Caster Services, Inc. Rouleau amélioré pour environnements à haute température
EP3546089B1 (fr) * 2016-12-26 2020-11-18 Primetals Technologies Japan, Ltd. Dispositif de coulée continue à double rouleau
CN110280730B (zh) * 2019-07-25 2022-03-04 河南科技大学 一种铸轧机、铸轧辊、铸轧辊套及连续铸轧方法
CN111992810A (zh) * 2020-08-17 2020-11-27 浙江灿根智能科技有限公司 自动调节牵引力的铜管牵引装置
CN112238212B (zh) * 2020-10-29 2021-07-06 燕山大学 双辊薄带铸轧电磁挤压式金属熔池侧封方法及其侧封装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537506A (en) * 1968-08-08 1970-11-03 United States Steel Corp Fixed internal guides for cooling water in rotary strip-casting drum
JPS60113149U (ja) * 1983-12-29 1985-07-31 石川島播磨重工業株式会社 連鋳機用ロ−ル
JPS61212451A (ja) * 1985-03-15 1986-09-20 Nisshin Steel Co Ltd 双ドラム式連鋳機
FR2654372B1 (fr) * 1989-11-16 1992-01-17 Siderurgie Fse Inst Rech Cylindre pour un dispositif de coulee continue sur un ou entre deux cylindres.
GB9100151D0 (en) * 1991-01-04 1991-02-20 Davy Distington Ltd Strip caster roll
DE4202373C1 (en) * 1992-01-29 1993-04-22 Eduard Kuesters Maschinenfabrik Gmbh & Co. Kg, 4150 Krefeld, De Roll acting against temp. deviations at end of tempered roll - has spray device on crosshead in area of at least one of working rolls
JPH05253649A (ja) * 1992-03-13 1993-10-05 Kobe Steel Ltd 双ロール式薄板連続鋳造機の冷却ロール
JP3021168B2 (ja) * 1992-03-19 2000-03-15 株式会社日立製作所 薄板の連続鋳造装置
JPH0751811A (ja) * 1993-08-16 1995-02-28 Nippon Steel Corp 薄帯金属の冷却ロール
JPH0952108A (ja) * 1995-08-09 1997-02-25 Nippon Steel Corp 薄帯状鋳片の搬送方法
JPH09141396A (ja) * 1995-11-20 1997-06-03 Mitsubishi Heavy Ind Ltd 連続鋳造装置用冷却ドラム
FR2742683B1 (fr) * 1995-12-21 1998-03-06 Usinor Sacilor Dispositif tournant de coulee continue
FR2745510B1 (fr) * 1996-02-29 1998-05-22 Usinor Sacilor Cylindre de coulee d'une installation de coulee continue sur un ou entre deux cylindres
GB9716724D0 (en) * 1997-08-08 1997-10-15 Kvaerner Clecim Cont Casting A casting roll

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0114085A1 *

Also Published As

Publication number Publication date
JP2003507191A (ja) 2003-02-25
TW518259B (en) 2003-01-21
CA2383410C (fr) 2009-03-24
EA200200272A1 (ru) 2002-08-29
CA2383410A1 (fr) 2001-03-01
CN1207119C (zh) 2005-06-22
EA002998B1 (ru) 2002-12-26
ES2202173T3 (es) 2004-04-01
DE50002666D1 (de) 2003-07-31
KR100762127B1 (ko) 2007-10-01
WO2001014085A1 (fr) 2001-03-01
MY126049A (en) 2006-09-29
ATE243584T1 (de) 2003-07-15
AU7509600A (en) 2001-03-19
US6698497B1 (en) 2004-03-02
CH690903A5 (de) 2001-02-28
EP1202828B1 (fr) 2003-06-25
BR0013459A (pt) 2002-04-30
CN1378491A (zh) 2002-11-06
KR20020063846A (ko) 2002-08-05
EP1078703A1 (fr) 2001-02-28
ZA200202015B (en) 2003-09-23
JP4953538B2 (ja) 2012-06-13

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