EP1670603B1 - Verfahren zum betrieb einer bandgiessmaschine für die erzeug ung eines metallbandes sowie eine vorrichtung zum durchführen des verfahrens - Google Patents

Verfahren zum betrieb einer bandgiessmaschine für die erzeug ung eines metallbandes sowie eine vorrichtung zum durchführen des verfahrens Download PDF

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Publication number
EP1670603B1
EP1670603B1 EP04765871A EP04765871A EP1670603B1 EP 1670603 B1 EP1670603 B1 EP 1670603B1 EP 04765871 A EP04765871 A EP 04765871A EP 04765871 A EP04765871 A EP 04765871A EP 1670603 B1 EP1670603 B1 EP 1670603B1
Authority
EP
European Patent Office
Prior art keywords
guide
casting
side seal
roll
sealing plates
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.)
Expired - Lifetime
Application number
EP04765871A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1670603A1 (de
Inventor
Heinrich Marti
Jaques 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 EP1670603A1 publication Critical patent/EP1670603A1/de
Application granted granted Critical
Publication of EP1670603B1 publication Critical patent/EP1670603B1/de
Anticipated expiration legal-status Critical
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
    • B22D11/06—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
    • B22D11/066—Side dams

Definitions

  • the invention relates to a method for operating a strip casting machine for the production of a metal strip according to the preamble of claim 1 and to an apparatus for carrying out the method.
  • sealing plates When casting between two casting rolls forming a casting gap, sealing plates are placed against the faces of the casting rolls in order to confine and hold the molten metal between the rolls. Usually the refractory sealing plates are pressed against the rotating casting rolls. The sealing surfaces are exposed to high wear. In the area of the sealing edges, undesired partial solidification can occur, which in turn leads to damage of the sealing plates along the roll edges. The erosion or erosion of the sealing plates in the edge region of the casting rolls lead to poor casting edges of the metal strip and to fin formations in this area. The resulting metal strip with possible fins on the one hand cause further erosion of the sealing plates, on the other hand, edge cracks in the metal strip can occur, which make substantial Beklam Songs inevitable and thus loss of application result, whereby the efficiency of the process is impaired.
  • the present invention has for its object to provide a method of the type mentioned above and to provide an apparatus for performing the method with which the strip edge quality significantly improved and the efficiency of the process can be increased.
  • the sealing plates are moved during the casting oscillating in and against the direction of rotation of the casting rolls, wherein the movement takes place alternately along one or the other G manrollenkante, the partial solidification in their formation can be largely prevented and possibly stripped, and the resulting Metal strip receives clean strip edges. Band edge cracks and severe wear on the sealing plates are avoided, which increases the cost-effectiveness of the process (application losses due to substantial Be
  • a device 1 for generating oscillating movements of side seals 2 of a roller-belt casting machine is shown, which is provided for the production of a metal strip by a continuous casting of molten metal between two casting molds forming a casting gap.
  • the casting rolls are shown in FIG. 2 and designated there by reference numerals 3, 4.
  • Two side seals 2 arranged on both end faces of the casting rolls 3, 4 delimit the casting gap in their length and thus determine the width of the metal strip to be produced. It is ever a device 1 for the respective side seal 2 is provided.
  • the side seals 2 each comprise a refractory sealing plate 2 b accommodated in a holding frame 2 a (cf., FIG. 3), which, by means of a positioning device 5, known per se and therefore not further described in detail the end faces 3a, 4a of the casting rolls 3, 4 can be adjusted.
  • the adjusting device 5 is arranged on a frame 6.
  • the adjusting device 5 is associated with a base plate 10 of the device 1.
  • a fork-shaped holder 11, 12 is mounted, the vertically extending legs are each connected to a horizontal transverse pin 13, 14 with each other.
  • a substantially vertically oriented piston / cylinder unit is attached, which is easily pivotable in a plane parallel to the base plate 10 and the side seal 2, vertical plane, including the inner surfaces of the legs on both brackets 11, 12th for example, may be slightly convex.
  • the operatively connected in a manner not shown with a drive piston / cylinder unit is intended to give with their lifting / lowering movement of the side seal 2 an oscillating movement, which according to the invention but not vertically, but in and against the direction of rotation U 3 and U 4 (FIG. 2) of the casting rolls 3, 4 runs, alternately along one or the other casting roll edge 3 k or 4 k, as illustrated in FIGS. 5 and 6.
  • U 3 and U 4 FIG. 2
  • each point of the so-called sealing holding region 7 of the sealing plate 2b moves from a neutral position c into an oscillating motion at the circumference of a circle with center D 3 (axis of rotation of the casting roll 3) and with the rolling radius a in Umlaufraum U 3 , ie in the casting direction, to the bottom dead center d and backwards, against the circumferential direction U 3 , to the top dead center b, offset.
  • Fig. 6 illustrates that each point of the seal holding area 7 from a neutral position f on the circumference of a circle with center D 4 (axis of rotation of the casting roll 4) and with the roller radius a in the direction of rotation U 4 between a bottom dead center g and a top dead center e can oscillate.
  • the side seal 2 on the one hand and the fixed base plate 10 on the other hand are guide elements associated, a first part of which is provided for steering the side seal 2 along the one Giesrollenkante 3k and a second part for directing the side seal 2 along the other Giesrollenkante 4k. Furthermore, adjusting means are provided, by means of which the first or the second part of the guide elements can be brought into use alternately. These guide elements and the adjusting means will now be explained in more detail below with reference to FIGS. 1 to 3 and also FIGS. 7 to 10.
  • the positioning cylinder 20 On the base plate 10 are three position cylinders 20, 23, 24 (see Fig .. 1 and 3) mounted, preferably screwed, one of which, the positioning cylinder 20, is arranged in the lower region of the device 1, such that its axis in the area the Giesspaltes, ie substantially in the two Giessrollenachsen D 3 , D 4 common plane extends.
  • the two other position cylinders 23, 24 are positioned symmetrically to the vertical center plane of the base plate 10 and the side seal 2, ie they are associated with the extended area of the side seal 2 and are located on both sides of the fork-shaped holder 11 for the piston / cylinder unit.
  • the lower position cylinder 20 is provided with a holder 25 for two mutually facing, perpendicular to the position of cylinder 20 horizontally arranged guide cylinder 33, 34, the adjustable piston 33 a, 34 a each serve as a carrier for a guide roller 35, 36.
  • the guide rollers 35, 36 are rotatably mounted on pins 35a, 36a, which are directed at right angles to the pistons 33a, 34a and connected thereto.
  • the guide rollers 35, 36 can be pressed against a bottom circuit guide 40 mounted on the side seal 2 or on its holding frame 2a, preferably screwed on from both sides.
  • the circular guide 40 has rounded cross-section outer or guide surfaces 41, 42 which cooperate with correspondingly shaped peripheral surfaces 35u, 36u of the guide rollers 35, 36.
  • the lower position cylinder 20 and the lower circuit guide 40 are disposed below the lower bracket 12 for the piston / cylinder unit 15.
  • a guide cylinder 43, 44 (see in particular Fig. 2) is held, the piston 43 a, 44 a respectively serves as a carrier for a guide roller 45, 46.
  • the guide rollers 45, 46 are in turn rotatably mounted on the pistons 43a, 44a rectangular bolts 45a, 46a (see Fig .. 7 and 8).
  • two upper circular guides 51, 52 are attached, preferably screwed, which are each provided with a lateral, directed to the outer edge of the side seal 2 guide surface 53, 54 in the upper area.
  • the curved in cross-section to the outside, rounded guide surfaces 53, 54 each cooperate with correspondingly shaped peripheral surfaces 45u, 46u of the guide rollers 45, 46 together.
  • the upper circular guides 51, 52 are arranged such that their guide surfaces 53, 54 each lie on the circumference of the already mentioned circle with the radius a and center D 3 (circuit guide 51) and D 4 (circuit guide 52).
  • the upper guide cylinder 43, 44 are directed such that during the adjustment of their pistons 43a, 44a, the guide rollers 45, 46 at right angles to the corresponding guide surfaces 53rd , 54 can be adjusted and brought into tangential contact with these.
  • pistons 33a, 43a and pistons 34a, 44a are actuated alternately, thus alternately pressing the guide rollers 35, 45 on guide surfaces 41, 53 and guide rollers 36, 46 on guide surfaces 42, 54, whereby the oscillating lifting / lowering movement of the pistons / Cylinder unit 15 alternately offset the side seal 2 in oscillation of Fig. 5 and in oscillation of Fig. 6.
  • piston / cylinder unit 15 could quite another conventional drive unit for the up and down movements use find.
  • the oscillation frequency can be varied, wherein the movement of the side seals 2 or the integrated in these refractory sealing plates 2b in the direction of rotation U 3 and U 4 of the casting rolls 3, 4, ie in the casting direction, slightly faster, equally fast or much slower may be as the movement of the rotating surface of the casting rolls 3, 4. In other words, it may be a minimum lead, a synchronous or possibly even substantial caster.
  • the movement of the sealing plates 2 b against the direction of rotation U 3 or U 4 of the casting rolls 3, 4, ie the return movement, can be faster, the same speed or much slower compared to the above-mentioned Giesslegischo.
  • the oscillation frequency can vary depending on the casting speed. For a simple control, however, the oscillation frequency can also be determined by means of a common casting speed.
  • the stroke of the sealing plates 2b can be advantageously ⁇ 0.5 to ⁇ 10 mm and driven at a speed that can be up to 10% faster during the casting direction movement and up to 10 times slower during the withdrawal movement.
  • FIG. 11 shows a further embodiment of a device 1 'for generating oscillating movements on side seals of a roll-type strip casting machine. It in turn has a stationary base plate 100, opposite which a further, connected to the side seal plate 102 is movably arranged.
  • the side seal itself is not shown in Fig. 11, but the plate 102 is attached to the already mentioned, a sealing plate receiving support frame of the side seal.
  • the movable plate 102 has on its outer circumference two lateral guide surfaces 103, 104 which are each provided on the circumference of a circle with the casting roller radius a and a center D 3 or D 4 corresponding to the axis of rotation of the respective casting rollers 3 and 4 (see FIG and FIG. 5).
  • the guide surfaces 103, 104 are operatively connected to two pairs of guide rollers 105, 106, 107, 108 arranged symmetrically to the vertical center plane of the base plate, of which one pair of guide rollers 105, 106 are in a lower and the other pair of guide rollers 107, 108 in FIG an upper, extended area are arranged.
  • a recess 110 which is symmetrical with respect to its vertical center plane and into which two eccentrics 111, 112 project from the rear, through the base plate 100.
  • the eccentric 111, 112 can not be seen from one of the drawing and itself outside the hot area located drive via a drive shaft 113 and a gear transmission 114, 115; 116, 117 are driven in opposite directions
  • the gear 114 is disposed on the drive shaft 113, which sits with this meshing gear 115 on one of the eccentric 111 associated and mounted in a holder 120 shaft, on which a further gear 116 is disposed, which meshes with a gear 117 driving the other eccentric 112.
  • the two eccentrics 111, 112 and the inner surfaces of the recess 110 are positively matched to one another such that during the rotation of the eccentrics 111, 112 the movable plate 102 with its guide surfaces 103, 104 remains in constant contact with the lower guide rollers 105, 106 However, alternately to one or the other upper guide roller 107, 108 is pressed.
  • the plate 102 and with it the side seal performs a kind of oscillating V-movement, alternately along the one or the other Gellorolschante 3k and 4k.
  • the stroke of the sealing plates may preferably be between 0 and 1 mm to between 0 and 20 mm.
  • the side seal with the movable plate 102 and the base plate 100 with the holder 120 and the gears mounted therein 115, 116, 117 form a unit which is retracted after preheating from below to the fixed drive or to the drive shaft 113 arranged gear 114 wherein the gear 115 is engaged with the fixed gear 114.
  • a spring member advantageously a compression spring, be arranged, which causes the movable plate 102 is pressed with the inner surfaces of its recess 110 always down against the eccentric, so that a play-free form-fitting concern of Eccentric is guaranteed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
EP04765871A 2003-10-08 2004-10-07 Verfahren zum betrieb einer bandgiessmaschine für die erzeug ung eines metallbandes sowie eine vorrichtung zum durchführen des verfahrens Expired - Lifetime EP1670603B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01708/03A CH696756A5 (de) 2003-10-08 2003-10-08 Verfahren zum Erzeugen von oszillierenden Bewegungen an Seitenabdichtungen einer Bandgiessmaschine für die Erzeugung eines Metallbandes sowie eine Vorrichtung zum Durchführen des Verfahrens.
PCT/EP2004/011210 WO2005035170A1 (de) 2003-10-08 2004-10-07 Verfahren zum betrieb einer bandgiessmaschine für die erzeugung eines metallbandes sowie eine vorrichtung zum durchführen des verfahrens

Publications (2)

Publication Number Publication Date
EP1670603A1 EP1670603A1 (de) 2006-06-21
EP1670603B1 true EP1670603B1 (de) 2007-01-03

Family

ID=34427746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04765871A Expired - Lifetime EP1670603B1 (de) 2003-10-08 2004-10-07 Verfahren zum betrieb einer bandgiessmaschine für die erzeug ung eines metallbandes sowie eine vorrichtung zum durchführen des verfahrens

Country Status (7)

Country Link
US (1) US7594534B2 (zh)
EP (1) EP1670603B1 (zh)
CN (1) CN100384566C (zh)
AT (1) ATE350185T1 (zh)
CH (1) CH696756A5 (zh)
DE (1) DE502004002581D1 (zh)
WO (1) WO2005035170A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009103802A1 (de) * 2008-02-22 2009-08-27 Thyssenkrupp Nirosta Gmbh Verfahren und zwei-walzen-giessmaschine zum herstellen von aus einer metallschmelze gegossenem band

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7556084B2 (en) * 2006-03-24 2009-07-07 Nucor Corporation Long wear side dams
US8805919B1 (en) * 2006-04-21 2014-08-12 Fredric L. Plotnick Multi-hierarchical reporting methodology
DE102008010688B4 (de) * 2008-02-22 2019-03-28 Outokumpu Nirosta Gmbh Verfahren und Zwei-Walzen-Gießmaschine zum Herstellen von aus einer Metallschmelze gegossenem Band
DE102008010689B4 (de) * 2008-02-22 2018-10-31 Outokumpu Nirosta Gmbh Zwei-Walzen-Gießmaschine zum Herstellen von aus einer Metallschmelze gegossenem Band
MX2019001627A (es) 2016-08-10 2019-09-04 Nucor Corp Metodo de fundicion de banda delgada.
WO2018119552A1 (zh) * 2016-12-26 2018-07-05 宝山钢铁股份有限公司 双辊薄带连铸侧封板的安装装置及其安装方法
CN110039017B (zh) * 2019-05-21 2020-10-23 一重集团大连工程技术有限公司 一种铸轧侧封装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07106434B2 (ja) * 1991-03-15 1995-11-15 新日本製鐵株式会社 金属薄帯の連続鋳造方法
DE4240849A1 (de) * 1992-12-04 1994-06-09 Didier Werke Ag Verfahren zur Bildung eines Trennspaltes, insbesondere in der Metallurgie
KR100333070B1 (ko) * 1997-12-20 2002-10-18 주식회사 포스코 쌍롤식박판주조장치에서의에지댐위치제어방법
JP2000117397A (ja) 1998-10-21 2000-04-25 Nippon Steel Corp 薄鋼板の鋳造方法
CH691574A5 (de) * 1999-09-24 2001-08-31 Main Man Inspiration Ag Bandgiessmaschine zur Erzeugung eines Metallbandes.
DE10056916A1 (de) * 2000-11-16 2002-05-23 Sms Demag Ag Verfahren zum Stranggießen eines Metallbandes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009103802A1 (de) * 2008-02-22 2009-08-27 Thyssenkrupp Nirosta Gmbh Verfahren und zwei-walzen-giessmaschine zum herstellen von aus einer metallschmelze gegossenem band
US8453712B2 (en) 2008-02-22 2013-06-04 Outokumpu Nirosta Gmbh Method and twin roll caster for the production of strip cast from a molten metal

Also Published As

Publication number Publication date
CN1863623A (zh) 2006-11-15
ATE350185T1 (de) 2007-01-15
US20070051487A1 (en) 2007-03-08
US7594534B2 (en) 2009-09-29
WO2005035170A1 (de) 2005-04-21
DE502004002581D1 (de) 2007-02-15
CH696756A5 (de) 2007-11-30
EP1670603A1 (de) 2006-06-21
CN100384566C (zh) 2008-04-30

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