EP1670603B1 - Method for operating a strip casting machine for producing a metal strip and device for carrying out said method - Google Patents

Method for operating a strip casting machine for producing a metal strip and device for carrying out said method 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
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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.)
Not-in-force
Application number
EP04765871A
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German (de)
French (fr)
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EP1670603A1 (en
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
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Main Management Inspiration AG
SMS Demag AG
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Publication of EP1670603A1 publication Critical patent/EP1670603A1/en
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Publication of EP1670603B1 publication Critical patent/EP1670603B1/en
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    • 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)

Abstract

The invention relates to a method for operating a strip casting machine for producing a metal strip during which molten metal is continuously poured between two casting rolls (3, 4) that form a casting gap. Sealing plates (2b) are provided for laterally delimiting the casting gap, whereby the sealing plates (2b) are displaced during the casting operation in an oscillating manner transversal to the direction of the axis of the casting rolls (3,) counter to the front surface (3a, 4a) of said casting rolls (3, 4). Said sealing plates (2b) are displaced in an oscillating manner in and counter to the direction of the periphery (U3 and/or U4) of the casting rolls (3, 4), whereby displacement takes place in an alternating manner along one or the other casting roll edges (3k and/or 4k). Partial solidifcations can, to a large extent, be prevented from forming and can be removed if need be. The produced metal strip has clean edges.

Description

Die Erfindung betrifft ein Verfahren zum Betrieb einer Bandgiessmaschine für die Erzeugung eines Metallbandes gemäss dem Oberbegriff des Anspruches 1 sowie eine Vorrichtung zum Durchführen des Verfahrens.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.

Beim Giessen zwischen zwei einen Giessspalt bildende Giessrollen werden Dichtplatten gegen die Stirnflächen der Giessrollen angestellt, um die Metallschmelze zwischen den Rollen einzugrenzen und zu halten. Meist werden die feuerfesten Dichtplatten gegen die drehenden Giessrollen gepresst. Die Dichtflächen werden dabei einem hohen Verschleiss ausgesetzt. Im Bereich der Dichtkanten kann es zu unerwünschten partiellen Erstarrungen kommen, die ihrerseits zur Beschädigung der Dichtplatten entlang der Rollenkanten führen. Die Auswaschungen bzw. Abtragungen der Dichtplatten im Kantenbereich der Giessrollen führen zu schlechten Giesskanten des Metallbandes und zu Finnen-Bildungen in diesem Bereich. Das hieraus entstehende Metallband mit möglichen Finnen kann einerseits weitere Abtragungen an den Dichtplatten verursachen, anderseits können Kantenrisse im Metallband entstehen, die substantielle Besäumschnitte unumgänglich machen und somit Ausbringungsverluste zur Folge haben, wodurch die Wirtschaftlichkeit des Verfahrens beeinträchtigt wird.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 Besäumschnitte inevitable and thus loss of application result, whereby the efficiency of the process is impaired.

Es sind Bandgiessmaschinen bekannt, bei denen die Seitenabdichtungen in horizontaler oder vertikaler Richtung oszilliernd bewegt oder gedreht werden, um den ungleichmässigen Verschleiss der Dichtplatten zu vermindern und ein Kleben des entstehenden Metallbandes zu verhindern. Es besteht jedoch auch bei diesen Lösungen nach wie vor die Gefahr, dass mögliche partielle Erstarrungen, die im Bereich der Rollenkanten entstehen können, zwischen die Dichtplatte und die Rollenstirnseite geschoben werden und dort partielle Abtragung einerseits und Bandkantenfehler anderseits bewirken.There are known strip casting machines in which the side seals are oscillated or rotated in the horizontal or vertical direction in order to reduce the uneven wear of the sealing plates and to prevent sticking of the resulting metal strip. However, even with these solutions, there is still the risk that possible partial solidification, which may occur in the region of the roller edges, are pushed between the sealing plate and the roller end side, causing partial removal on the one hand and band edge defects on the other.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art vorzuschlagen sowie eine Vorrichtung zum Durchführen des Verfahrens zu schaffen, mit denen die Bandkantenqualität wesentlich verbessert und die Wirtschaftlichkeit des Verfahrens gesteigert werden kann.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.

Diese Aufgabe wird erfindungsgemäss durch ein Verfahren mit den Merkmalen des Anspruches 1 sowie durch eine Vorrichtung mit den Merkmalen des Anspruches 9 gelöst.This object is achieved according to the invention by a method having the features of claim 1 and by a device having the features of claim 9.

Bevorzugte Weitergestaltungen des erfindungsgemässen Verfahrens und der erfindungsgemässen Vorrichtung bilden den Gegenstand der abhängigen Ansprüche.Preferred developments of the inventive method and the inventive device form the subject of the dependent claims.

Dadurch, dass erfindungsgemäss die Dichtplatten während des Giessbetriebs oszillierend in und gegen die Umlaufrichtung der Giessrollen bewegt werden, wobei die Bewegung abwechselnd entlang der einen oder der anderen Giessrollenkante erfolgt, können die partiellen Erstarrungen in ihrer Entstehung weitgehend verhindert und allenfalls abgestreift werden, und das entstehende Metallband erhält saubere Bandkanten. Bandkantenrisse sowie starke Abnutzungserscheinungen an den Dichtplatten werden vermieden, wodurch die Wirtschaftlichkeit des Verfahrens gesteigert wird (Ausbringungsverluste durch substantielle Besäumschnitte entfallen, und es sind längere Giesssequenzen möglich).Characterized in that according to the invention, 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 Gießrollenkante, 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 Besäumschnitte omitted, and longer casting sequences are possible).

Die Erfindung wird nachfolgend anhand der Zeichnung näher erläutert.
Es zeigen:

Fig. 1
in perspektivischer Darstellung ein erstes Ausführungsbeispiel einer Vorrichtung zum Erzeugen von oszillierenden Bewegungen an Seitenabdichtungen einer Rollen-Bandgiessmaschine;
Fig. 2
einen Teil der Rollen-Bandgiessmaschine mit der Vorrichtung nach Fig. 1 in einem Schnitt;
Fig. 3
einen Teil der Rollen-Bandgiessmaschine mit der Vorrichtung nach Fig. 1 in Seitenansicht;
Fig. 4
schematisch eine Seitenabdichtung;
Fig. 5
schematisch die Seitenabdichtung nach Fig. 4 während der oszillierenden Bewegung entlang einer ersten Giessrollenkante;
Fig. 6
schematisch die Seitenabdichtung nach Fig. 4 während der oszillierenden Bewegung entlang einer zweiten Giessrollenkante
Fig. 7
einen unteren Teil der Vorrichtung nach Fig. 1 in perspektivischer Darstellung und im Teilschnitt;
Fig. 8
den Teil nach Fig. 7 in Draufsicht;
Fig. 9
einen oberen Teil der Vorrichtung nach Fig. 1 in perspektivischer Darstellung und im Teilschnitt;
Fig. 10
den Teil nach Fig. 9 in Draufsicht; und
Fig. 11
in perspektivischer Darstellung ein zweites Ausführungsbeispiel einer Vorrichtung zum Erzeugen von oszillierenden Bewegungen an Seitenabdichtungen einer Rollen-Bandgiessmaschine.
The invention will be explained in more detail with reference to the drawing.
Show it:
Fig. 1
a perspective view of a first embodiment of a device for generating oscillating movements of side seals of a roll-strip casting machine;
Fig. 2
a part of the roller-belt casting machine with the apparatus of Figure 1 in a section.
Fig. 3
a part of the roller-belt casting machine with the apparatus of Figure 1 in side view.
Fig. 4
schematically a side seal;
Fig. 5
schematically the side seal of Figure 4 during the oscillating movement along a first Gießrollenkante.
Fig. 6
schematically the side seal of FIG. 4 during the oscillating movement along a second Gießrollenkante
Fig. 7
a lower part of the device of Figure 1 in a perspective view and in partial section.
Fig. 8
the part of Figure 7 in plan view.
Fig. 9
an upper part of the device of Figure 1 in a perspective view and in partial section.
Fig. 10
the part of Figure 9 in plan view. and
Fig. 11
in a perspective view of a second embodiment of an apparatus for generating oscillating movements of side seals of a roll-band casting machine.

In Fig.1 bis 3 ist eine Vorrichtung 1 zum Erzeugen von oszillierenden Bewegungen an Seitenabdichtungen 2 einer Rollen-Bandgiessmaschine dargestellt, die für die Erzeugung eines Metallbandes durch einen kontinuierlichen Einguss von Metallschmelze zwischen zwei einen Giessspalt bildende Giessrollen vorgesehen ist. Die Giessrollen sind aus Fig. 2 ersichtlich und dort mit Bezugsziffern 3, 4 bezeichnet. Zwei zu beiden Stirnseiten der Giessrollen 3, 4 angeordnete Seitenabdichtungen 2 begrenzen den Giessspalt in seiner Länge und bestimmen somit die Breite des zu erzeugenden Metallbandes. Es ist je eine Vorrichtung 1 für die jeweilige Seitenabdichtung 2 vorgesehen.In Figures 1 to 3, 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.

Die Seitenabdichtungen 2 umfassen jeweils eine in einem Halterahmen 2a untergebrachte feuerfeste Dichtplatte 2b (vgl. Fig. 3), die mittels einer an sich bekannten und daher weiter nicht näher beschriebenen Anstellvorrichtung 5 gegen die Stirnflächen 3a, 4a der Giessrollen 3, 4 anstellbar ist. Die Anstellvorrichtung 5 ist auf einem Rahmen 6 angeordnet. Der Anstellvorrichtung 5 ist eine Grundplatte 10 der Vorrichtung 1 zugeordnet. An der Grundplatte 10 einerseits und am Halterahmen 2a der Seitenabdichtung 2 anderseits ist je eine gabelförmige Halterung 11, 12 angebracht, deren vertikal verlaufende Schenkel jeweils mit einem horizontal gerichteten Querbolzen 13, 14 miteinander verbunden sind. An den beiden Querbolzen 13, 14 ist eine im wesentlichen vertikal orientierte Kolben/Zylinder-Einheit angesetzt, die in einer zur Grundplatte 10 und zu der Seitenabdichtung 2 parallelen, vertikalen Ebene leicht verschwenkbar ist, wozu die Innenflächen der Schenkel an beiden Halterungen 11, 12 beispielsweise leicht konvex ausgebildet sein können. Die in einer nicht dargestellten Weise mit einem Antrieb wirkverbundene Kolben/Zylinder-Einheit ist dazu bestimmt, mit ihrer Hub-/Senkbewegung der Seitenabdichtung 2 eine oszillierende Bewegung zu erteilen, die jedoch erfindungsgemäss nicht vertikal, sondern in und gegen die Umlaufrichtung U3 bzw. U4 (Fig. 2) der Giessrollen 3, 4 verläuft, und zwar abwechslungsweise entlang der einen oder der anderen Giessrollenkante 3k bzw. 4k, wie in Fig. 5 und Fig. 6 veranschaulicht. So wird - wie in Fig. 4 und 5 angedeutet - jeder Punkt des sogenannten Dichthaltebereiches 7 der Dichtplatte 2b aus einer neutralen Position c in eine oszillierende Bewegung am Umfang eines Kreises mit Zentrum D3 (Drehachse der Giessrolle 3) und mit dem Rollenradius a in Umlaufrichtung U3, d.h. in der Giessrichtung, bis zum unteren Totpunkt d und rückwärts, gegen die Umlaufrichtung U3, bis zum oberen Totpunkt b, versetzt. Fig. 6 verdeutlicht, dass auch jeder Punkt des Dichthaltebereiches 7 aus einer neutralen Position f am Umfang eines Kreises mit Zentrum D4 (Drehachse der Giessrolle 4) und mit dem Rollenradius a in Umlaufrichtung U4 zwischen einem unteren Totpunkt g und einem oberen Totpunkt e oszillieren kann.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. On the base plate 10 on the one hand and on the support frame 2a of the side seal 2 on the other hand, 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. On the two transverse pins 13, 14 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. Thus, as indicated in FIGS. 4 and 5, 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 Umlaufrichtung 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.

Um die durch die Kolben/Zylinder-Einheit erzeugte oszillierende Hub/Senkbewegung in die erfindungsgemässe, vorstehend beschriebene oszillierende Bewegung der Seitenabdichtung 2 umzusetzen, sind der Seitenabdichtung 2 einerseits und der ortsfesten Grundplatte 10 anderseits Führungselemente zugeordnet, deren ein erster Teil zum Lenken der Seitenabdichtung 2 entlang der einen Giesrollenkante 3k und ein zweiter Teil zum Lenken der Seitenabdichtung 2 entlang der anderen Giesrollenkante 4k vorgesehen ist. Ferner sind Verstellmittel vorhanden, mittels welcher der erste oder der zweite Teil der Führungselemente abwechselnd in Einsatz gebracht werden kann. Diese Führungselemente sowie die Verstellmittel werden nun im folgenden anhand der Fig. 1 bis 3 sowie auch Fig. 7 bis 10 näher erläutert.In order to convert the oscillating lifting / lowering movement generated by the piston / cylinder unit into the oscillating movement of the side seal 2 described above according to the invention, 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.

An der Grundplatte 10 sind drei Positionszylindern 20, 23, 24 (vgl. Fig. 1 und 3) angebracht, vorzugsweise angeschraubt, von denen einer, der Positionszylinder 20, im unteren Bereich der Vorrichtung 1 angeordnet ist, derart, dass seine Achse im Bereich des Giesspaltes, d.h. im wesentlichen in einer den beiden Giessrollenachsen D3, D4 gemeinsamen Ebene verläuft. Die beiden anderen Positionszylinder 23, 24 sind im oberen Bereich der Vorrichtung 1 symmetrisch zur vertikalen Mittelebene der Grundplatte 10 bzw. der Seitenabdichtung 2 positioniert, d.h. sie sind dem erweiterten Bereich der Seitenabdichtung 2 zugeordnet und befinden sich zu beiden Seiten der gabelförmigen Halterung 11 für die Kolben/Zylinder-Einheit.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.

Der untere Positionszylinder 20 ist mit einer Halterung 25 für zwei einander zugewandte, rechtwinklig zum Positionszylinder 20 horizontal angeordnete Führungszylinder 33, 34 versehen, deren verstellbare Kolben 33a, 34a jeweils als Träger für eine Führungsrolle 35, 36 dienen. Wie auch aus Fig. 9 und 10 ersichtlich, sind die Führungsrollen 35, 36 auf Bolzen 35a, 36a drehbar gelagert, die rechtwinklig zu den Kolben 33a, 34a gerichtet und mit diesen verbunden sind. Mittels der Kolben 33a, 34a sind die Führungsrollen 35, 36 an eine an der Seitenabdichtung 2 bzw. an ihrem Halterahmen 2a montierte, vorzugsweise angeschraubte untere Kreisführung 40 von beiden Seiten andrückbar. Die Kreisführung 40 weist im Querschnitt gerundete Aussen- bzw. Führungsflächen 41, 42 auf, die mit entsprechend geformten Umfangsflächen 35u, 36u der Führungsrollen 35, 36 zusammenwirken. Der untere Positionszylinder 20 sowie die untere Kreisführung 40 sind unterhalb der unteren Halterung 12 für die Kolben/Zylinder-Einheit 15 angeordnet.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. As can also be seen from FIGS. 9 and 10, 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. By means of the pistons 33a, 34a, 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.

Auch an den oberen Positionszylindern 23, 24 ist jeweils ein Führungszylinder 43, 44 (vgl. insbesondere Fig. 2) gehalten, dessen Kolben 43a, 44a jeweils als Träger für eine Führungsrolle 45, 46 dient. Die Führungsrollen 45, 46 sind wiederum auf zu den Kolben 43a, 44a rechtwinkligen Bolzen 45a, 46a drehbar gelagert (vgl. Fig. 7 und 8). An der Seitenabdichtung 2 bzw. ihrem Halterahmen 2a sind im oberen Bereich zwei obere Kreisführungen 51, 52 angebracht, vorzugsweise angeschraubt, die jeweils mit einer seitlichen, zur Aussenkante der Seitenabdichtung 2 gerichteten Führungsfläche 53, 54 versehen sind. Die im Querschnitt nach aussen gewölbten, gerundeten Führungsflächen 53, 54 wirken jeweils mit entsprechend geformten Umfangsflächen 45u, 46u der Führungsrollen 45, 46 zusammen.Also at the upper position cylinders 23, 24 is in each case 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). On the side seal 2 or its holding frame 2 a, 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.

Die oberen Kreisführungen 51, 52 sind derart angeordnet, dass ihre Führungsflächen 53, 54 jeweils am Umfang des bereits erwähnten Kreises mit dem Radius a und Zentrum D3 (Kreisführung 51) bzw. D4 (Kreisführung 52) liegen. Am Umfang des jeweiligen Kreises befindet sich auch die jeweilige Aussenfläche 41 bzw. 42 der unteren Kreisführung 40. Die oberen Führungszylinder 43, 44 sind derart gerichtet, dass bei der Verstellung ihrer Kolben 43a, 44a die Führungsrollen 45, 46 rechtwinklig zu den entsprechenden Führungsflächen 53, 54 verstellt und in einen tangentialen Kontakt mit diesen gebracht werden können. Wie bereits erwähnt, werden erfindungsgemäss abwechslungsweise Kolben 33a, 43a und Kolben 34a, 44a betätigt und somit abwechslungsweise die Führungsrollen 35, 45 an Führungsflächen 41, 53 und Führungsrollen 36, 46 an Führungsflächen 42, 54 angedrückt, wodurch die oszillierende Hub/Senkbewegung der Kolben/Zylinder-Einheit 15 abwechslungsweise die Seitenabdichtung 2 in Oszillation nach Fig. 5 und in Oszillation nach Fig. 6 versetzt.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. As already mentioned, in accordance with the invention, 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.

Statt einer einzigen unteren Kreisführung 40 mit zwei Aussenflächen 41, 42 könnten selbstverständlich auch zwei getrennte Kreisführungen mit je einer Aussenfläche am Halterahmen 2a montiert sein.Instead of a single lower circular guide 40 with two outer surfaces 41, 42 could of course also be mounted two separate circular guides, each with an outer surface on the support frame 2a.

Anstelle der Kolben/Zylinder-Einheit 15 könnte durchaus auch eine andere herkömmliche Antriebseinheit für die Auf- und Abbewegungen Einsatz finden.Instead of the piston / cylinder unit 15 could quite another conventional drive unit for the up and down movements use find.

Die Oszillationsfrequenz kann variiert werden, wobei die Bewegung der Seitenabdichtungen 2 bzw. der in diesen integrierten feuerfesten Dichtplatten 2b in Umlaufrichtung U3 bzw. U4 der Giessrollen 3, 4, d.h. in der Giessrichtung, leicht schneller, gleich schnell oder aber auch wesentlich langsamer sein kann als die Bewegung der sich drehenden Oberfläche der Giessrollen 3, 4. Mit anderen Worten: es kann sich um einen minimalen Vorlauf, einen Gleichlauf oder einen evtl. sogar substantiellen Nachlauf handeln.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.

Die Bewegung der Dichtplatten 2b gegen die Umlaufrichtung U3 bzw. U4 der Giessrollen 3, 4, d.h. die Rückzugsbewegung, kann im Vergleich zu der vorstehend erwähnten Giessrichtungsbewegung schneller, gleich schnell oder auch wesentlich langsamer erfolgen.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 Giessrichtungsbewegung.

Die Oszillationsfrequenz kann in Abhängigkeit der Giessgeschwindigkeit variieren. Für eine einfache Steuerung kann die Oszillationsfrequenz jedoch auch anhand einer üblichen Giessgeschwindigkeit festgelegt werden.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.

Der Hub der Dichtplatten 2b kann mit Vorteil ± 0.5 bis ± 10 mm betragen und mit einer Geschwindigkeit gefahren werden, die während der Giessrichtungsbewegung bis zu 10% schneller und während der Rückzugsbewegung bis zu 10 Mal langsamer sein kann.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.

Dadurch, dass erfindungsgemäss die Seitenabdichtungen 2 bzw. die in diesen integrierten feuerfesten Dichtplatten 2b während des Giessbetriebs oszillierend in und gegen die Umlaufrichtung U3 bzw. U4 der Giessrollen 3, 4 bewegt werden, wobei die Bewegung abwechselnd entlang der einen oder der anderen Giessrollenkante 3k, 4k erfolgt, können die partielle Erstarrungen in ihrer Entstehung weitgehend verhindert und allenfalls abgestreift werden, und das entstehende Metallband erhält saubere Bandkanten. Die Bandkantenrisse sowie starke Abnutzungserscheinungen an den Dichtplatten 2b werden vermieden, wodurch die Wirtschaftlichkeit des Verfahrens gesteigert wird (Ausbringungsverluste durch substantielle Besäumschnitte entfallen, und es sind längere Giesssequenzen möglich).By virtue of the fact that, in accordance with the invention, the side seals 2 or the refractory sealing plates 2 b integrated therein oscillate during the casting operation in and against the direction of rotation U 3 and U 4 of the casting rolls 3, 4 are moved, wherein the movement takes place alternately along one or the other Giessrollenkante 3k, 4k, the partial solidification in their formation can be largely prevented and possibly stripped, and The resulting metal strip receives clean strip edges. The band edge cracks as well as severe wear on the sealing plates 2b are avoided, whereby the economic efficiency of the method is increased (output losses due to substantial Besäumschnitte omitted, and longer casting sequences are possible).

In Fig. 11 ist eine weitere Ausführungsform einer Vorrichtung 1' zum Erzeugen von oszillierenden Bewegungen an Seitenabdichtungen einer Rollen-Bandgiessmaschine dargestellt. Sie weist wiederum eine ortsfeste Grundplatte 100 auf, gegenüber welcher eine weitere, mit der Seitenabdichtung verbundene Platte 102 beweglich angeordnet ist. Die Seitenabdichtung selber ist in Fig. 11 nicht dargestellt, die Platte 102 wird jedoch an dem bereits erwähnten, eine Dichtplatte aufnehmenden Halterahmen der Seitenabdichtung angebracht.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.

Die bewegliche Platte 102 weist an ihrem Aussenumfang zwei seitliche Führungsflächen 103, 104 auf, die jeweils am Umfang eines Kreises mit dem Giessrollenradius a und einem der Drehachse der jeweiligen Giessrolle 3 bzw. 4 entsprechendem Zentrum D3 bzw. D4 (siehe Fig. 4 und Fig. 5) liegen. Die Führungsflächen 103, 104 sind mit zwei an der ortsfesten Grundplatte 100 angebrachten, symmetrisch zur vertikalen Mittelebene der Grundplatte angeordneten Führungsrollenpaaren 105, 106, 107, 108 wirkverbunden, von denen ein Führungsrollenpaar 105, 106 in einem unteren und das andere Führungsrollenpaar 107, 108 in einem oberen, erweiterten Bereich angeordnet sind.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.

Im oberen Bereich der beweglichen Platte 102 ist eine zu ihrer vertikalen Mittelebene symmetrische Aussparung 110 vorhanden, in welche von hinten, durch die Grundplatte 100 hindurch, zwei Exzenter 111, 112 hineinragen. Die Exzenter 111, 112 können von einem aus der Zeichnung nicht ersichtlichen und sich ausserhalb des heissen Bereiches befindenden Antrieb über eine Antriebswelle 113 und ein Zahnradgetriebe 114, 115; 116, 117 gegenläufig angetrieben werden Das Zahnrad 114 ist auf der Antriebswelle 113 angeordnet, das mit diesem im Eingriff stehende Zahnrad 115 sitzt auf einer dem einen Exzenter 111 zugeordneten und in einer Halterung 120 gelagerten Welle, auf der auch ein weiteres Zahnrad 116 angeordnet ist, welches mit einem den anderen Exzenter 112 antreibenden Zahnrad 117 im Eingriff steht.In the upper region of the movable plate 102 there is 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.

Die beiden Exzenter 111, 112 und die Innenflächen der Aussparung 110 sind formschlüssig derart aufeinander abgestimmt, dass bei der Rotation der Exzenter 111, 112 die bewegliche Platte 102 mit ihren Führungsflächen 103, 104 zwar im ständigen Kontakt mit den unteren Führungsrollen 105, 106 verbleibt, jedoch abwechselnd an die eine oder die andere obere Führungsrolle 107, 108 angedrückt wird. Somit führt die Platte 102 und mit ihr die Seitenabdichtung eine Art oszillierende V-Bewegung, abwechselnd entlang der einen oder der anderen Giessrollenkante 3k bzw. 4k. Der Hub der Dichtplatten kann vorzugsweise zwischen 0 und 1 mm bis zwischen 0 und 20 mm betragen.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. Thus, the plate 102 and with it the side seal performs a kind of oscillating V-movement, alternately along the one or the other Gießrollenkante 3k and 4k. The stroke of the sealing plates may preferably be between 0 and 1 mm to between 0 and 20 mm.

Die Seitenabdichtung mit der beweglichen Platte 102 sowie die Grundplatte 100 mit der Halterung 120 und den darin gelagerten Zahnrädern 115, 116, 117 bilden eine Einheit, die nach dem Vorheizen von unten zum fixen Antrieb bzw. zum auf der Antriebswelle 113 angeordneten Zahnrad 114 eingefahren wird, wobei das Zahnrad 115 mit dem fixen Zahnrad 114 in Eingriff gebracht wird.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.

Im Prinzip könnten die beiden oberen Führungsrollen 107, 108 gemäss Fig. 11 weggelassen und die Führung der beweglichen Platte 102 durch die beiden in der Aussparung 110 eingreifenden Exzenter 111, 112 übernommen werden.
Die Platte 102 wäre dann einerseits durch diese Exzenter 111, 112 gehalten und geführt und andererseits durch die beiden am unteren Ende befindlichen Führungsrollen 105, 106.In principle, the two upper guide rollers 107, 108 as shown in FIG. 11 omitted and the leadership of the movable plate 102 by the two engaging in the recess 110 eccentric 111, 112 are taken.
The plate 102 would then on the one hand by these eccentrics 111, 112 held and guided and on the other hand by the two located at the bottom guide rollers 105, 106th

Zusätzlich kann zwischen der Platte 102 und der Grundplatte 100 ein Federorgan, vorteilhaft eine Druckfeder, angeordnet sein, welche bewirkt, dass die bewegliche Platte 102 mit den Innenflächen ihrer Aussparung 110 stets nach unten gegen die Exzenter angedrückt ist, so dass ein spielfreies formschlüssiges Anliegen der Exzenter gewährleistet ist.In addition, between the plate 102 and the base plate 100, 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.

Claims (20)

  1. Method for operating a strip casting machine for producing a metal strip during which molten metal is continuously poured between two casting rolls (3, 4) that form a casting gap, against the facing surfaces (3a, 4a) of which sealing plates (2b) are adjusted for a side limiting of the casting gap, whereby the sealing plates (2b) are set into an oscillating movement transverse to the direction of the axis of the casting rolls (3, 4) during the casting operation,
    characterised in that
    the sealing plates (2b) are moved in an oscillating manner in and against the direction of periphery (U3, i.e. U4) of the casting rolls (3, 4), whereby the movement occurs alternately along one or the other of the casting roll edges (3k, i.e. 4k).
  2. Method according to Claim 1, characterised in that the oscillating frequency of the sealing plate (2b) is variable.
  3. Method according to Claim 2, characterised in that the oscillating frequency will depend on the casting speed.
  4. Method according to one of the Claims 1 to 3, characterised in that the movement of the sealing plates (2b) in the direction of periphery (U3, i.e. U4) of the relevant casting roll (3, i.e. 4), i.e. in the casting direction, is a little faster, equal to, or substantially slower than the movement of the rotating surface of the casting rolls (3, 4).
  5. Method according to Claim 4, characterised in that the movement of the sealing plates (2b) against the direction of periphery (U3, i.e. U4) of the relevant casting roll (3, i.e. 4), i.e. against the casting direction, is faster, equal to, or substantially slower than the movement in the direction of periphery (U3, i.e. U4), i.e. in the casting direction.
  6. Method according to one of the Claims 1 to 5, characterised in that the lift of the sealing plates (2b) is +/- 0.5 to +/- 10mm.
  7. Method according to Claim 6, characterised in that the lift of the sealing plates (2b) occurs at a speed that is up to 10% faster during the casting direction movement.
  8. Method according to Claim 6, characterised in that the lift of the sealing plates (2b) occurs at a speed that is up to 10 times slower during the return movement against the casting direction.
  9. Device for carrying out the method according to one of the Claims 1 to 8, with one drive unit (15) each for generating oscillating movements at each one of the side seals (2) receiving the relevant sealing plates (2b), characterised in that each side seal (2) on the one hand, and an adjacent fixedly positioned base plate (10; 100) on the other are allocated guide elements (40, 41, 42, 51, 52; 35, 36, 45, 46, 103, 104, 105, 106, 107, 108), whereby a first section (41, 51; 35; 45; 103, 105, 107) is envisaged for steering the side seal (2) along one casting roll edge (3k), and a second section (42, 52; 36, 46; 104, 106, 108) for steering the side seal (2) along the other casting roll edge (4k), whereby adjustment means (33, 33a; 34, 34a; 43, 43a; 44, 44a; 110, 11, 112) are provided, with which the first or the second section of the guide elements (41, 42, 51, 52; 35, 36, 45, 46, 103, 104, 105, 106, 107, 108) can be used alternately.
  10. Device according to Claim 9, characterised in that the guide elements (40, 51, 52) allocated to the side seal (2) take the form of circular guides (41, 42, 53, 54), of which at least one is located in a lower area equalling the casting gap, and two in an upper, expanded area of the side seal (2) in such a way that their guide surfaces (41, 42, i.e. 53, 54) that face the outside edges of the side seal (2) each lie on the circumference of a circle with the casting roll radius (a) and a centre (D3, i.e. D4) corresponding with the axis of rotation of the relevant casting roll (3, i.e. 4).
  11. Device according to Claim 10, characterised in that the guide elements allocated to the base plate (10) are formed as guide rolls (35, 36, 45, 46) that can be brought into contact with the guide surfaces (41, 42, i.e. 53, 54).
  12. Device according to Claim 11, characterised in that each guide roll (35, 36, 45, 46) is bearingly and rotatably positioned on a bolt (35a, 36a, 45a, 46a) which is connected with pistons (33a, 34a, 43a, 44a) adjustably located within a fixed guide cylinder (33, 34, 43, 44) forming the adjustment means, whereby the pistons (33a, 34a, 43a, 44a), i.e. the guide rolls (35, 36, 45, 46) connected with the same can be adjusted vertically in relation to the relevant guide surface (41, 42, 53, 54).
  13. Device according to Claim 12, characterised in that the guide cylinders (33, 34) for the guide rolls (35, 36) arranged in the casting gap area that can be adjusted against the lower guide surfaces (41, 42) are affixed by means of a holder (25) to a lower position cylinder (20) firmly connected with the base plate (10).
  14. Device according to Claim 12 or 13, characterised in that the guide cylinders (33, 34) for the guide rolls (45, 46) that can be adjusted against the guide surfaces (53, 54) of the upper circular guide (51, 52) are affixed symmetrically to the vertical central plane of the base plate (10), i.e. the side seal (2) to an upper position cylinder (23, 24) each, and are firmly affixed to the base plate (10).
  15. Device according to Claim 13 and 14, characterised in that the drive unit (15) for generating the oscillating movement of the relevant side seals (2) comprises a lower piston/cylinder unit (15) held between an upper, base plate affixed holder (11) and a lower holder (12) affixed to the side seal (2), which extends almost vertically between the two upper position cylinders (23, 24), whereby the lower holder (12) is positioned above the lower position cylinder (20), i.e. the circular guide (40) affixed to the side seal (2).
  16. Device according to one of the Claims 10 to 15, characterised in that the lower circular guide (40) comprises two guide surfaces (41, 42) directed towards the outside edges of the side seals (2), with a rounded cross-section which can be brought into contact with correspondingly shaped circumferential surfaces (35u, 36u) of the allocated guide roll (35, 36).
  17. Device according to one of the Claims 10 to 16, characterised in that the upper circular guides (51, 52) each comprise a guide surface (53, 54) directed against the relevant outside edge of the side seal (2), with a rounded cross-section which can be brought into contact with a correspondingly shaped circumferential surface (35u, 36u) of the allocated guide roll (45, 46).
  18. Device according to Claim 9, characterised in that the guide elements allocated to the side seal (2) are shaped as guide surfaces (103, 104) arranged at the outside circumference of a moveable plate (102) connected with a sealing plate holding frame which each lie on the circumference of a circle with the casting roll radius (a) and a centre (D3, i.e. D4) equalling the axis of rotation of the relevant casting roll (3, i.e. 4).
  19. Device according to Claim 18, characterised in that the guide elements allocated to the base plate (100) are shaped as two guide roll pairs (105, 106; 107, 108) arranged symmetrically to the vertical central plane of the base plate (10), i.e. the side seal (2), of which one guide roll pair (105, 106) is located in a lower, and the other guide roll pair (107, 108) in an upper expanded area of the side seal (2), whereby the guide surfaces (103, 104) of the moveable plate (102) are in constant contact with the lower guide rolls (105, 106) and can be alternately pressed against one or the other upper guide roll (107, 108).
  20. Device according to Claim 19, characterised in that the moveable plate (102) equipped with the guide surfaces (103, 104) is further equipped with a recess (110) in its upper area that is symmetrical to its vertical central plane, into which two eccenters (111, 112) co-operatingly connected with a drive, which can be driven in a counter direction project, whereby the eccenters (111, 112) and the inside surfaces of the recess (110) are matched to suit each other in a force closure in such a way that the moveable plate (102) can be pressed alternately against one or the other upper guide roll (107, 108) with one or the other guide surface (103, 104) during the rotation of the eccenter (111, 112).
EP04765871A 2003-10-08 2004-10-07 Method for operating a strip casting machine for producing a metal strip and device for carrying out said method Not-in-force EP1670603B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01708/03A CH696756A5 (en) 2003-10-08 2003-10-08 A method of generating oscillating movements of side seals of a strip casting machine for producing a metal strip and a device for performing the method.
PCT/EP2004/011210 WO2005035170A1 (en) 2003-10-08 2004-10-07 Method for operating a strip casting machine for producing a metal strip and device for carrying out said method

Publications (2)

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

Family

ID=34427746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04765871A Not-in-force EP1670603B1 (en) 2003-10-08 2004-10-07 Method for operating a strip casting machine for producing a metal strip and device for carrying out said method

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009103802A1 (en) * 2008-02-22 2009-08-27 Thyssenkrupp Nirosta Gmbh Method and twin roll caster for the production of strip cast from a molten metal

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 (en) * 2008-02-22 2019-03-28 Outokumpu Nirosta Gmbh Method and two-roll casting machine for producing cast from a molten metal strip
DE102008010689B4 (en) * 2008-02-22 2018-10-31 Outokumpu Nirosta Gmbh Two-roll casting machine for producing cast from a molten metal strip
CN109715316B (en) * 2016-08-10 2021-09-21 纽科尔公司 Thin strip casting method
CN110087800B (en) * 2016-12-26 2022-02-15 宝山钢铁股份有限公司 Installation device and installation method of double-roller thin-strip continuous casting side sealing plate
CN110039017B (en) * 2019-05-21 2020-10-23 一重集团大连工程技术有限公司 Cast-rolling side sealing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390726A (en) * 1991-03-15 1995-02-21 Nippon Steel Corporation Process for producing thin metallic strip by continuous casting
DE4240849A1 (en) * 1992-12-04 1994-06-09 Didier Werke Ag Process for forming a separation gap, especially in metallurgy
KR100333070B1 (en) * 1997-12-20 2002-10-18 주식회사 포스코 Method for controlling position of edge dams in twin roll type strip caster
JP2000117397A (en) 1998-10-21 2000-04-25 Nippon Steel Corp Casting method for thin steel sheet
CH691574A5 (en) * 1999-09-24 2001-08-31 Main Man Inspiration Ag The strip casting machine for producing a metal strip.
DE10056916A1 (en) * 2000-11-16 2002-05-23 Sms Demag Ag Process for continuously casting a steel strip comprises passing the strip between casting rollers with front sides having adjustable sealing elements which move along a vertical plane in the casting direction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009103802A1 (en) * 2008-02-22 2009-08-27 Thyssenkrupp Nirosta Gmbh Method and twin roll caster for the production of strip cast from a molten metal
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
EP1670603A1 (en) 2006-06-21
CH696756A5 (en) 2007-11-30
ATE350185T1 (en) 2007-01-15
WO2005035170A1 (en) 2005-04-21
US20070051487A1 (en) 2007-03-08
DE502004002581D1 (en) 2007-02-15
US7594534B2 (en) 2009-09-29
CN1863623A (en) 2006-11-15
CN100384566C (en) 2008-04-30

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