EP2288457B1 - Continuous-casting mould for a continuous casting plant - Google Patents
Continuous-casting mould for a continuous casting plant Download PDFInfo
- Publication number
- EP2288457B1 EP2288457B1 EP09753782.3A EP09753782A EP2288457B1 EP 2288457 B1 EP2288457 B1 EP 2288457B1 EP 09753782 A EP09753782 A EP 09753782A EP 2288457 B1 EP2288457 B1 EP 2288457B1
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- EP
- European Patent Office
- Prior art keywords
- broad
- drive
- continuous
- side walls
- walls
- 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.)
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Classifications
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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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
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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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/051—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds into moulds having oscillating walls
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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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/053—Means for oscillating the moulds
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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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/168—Controlling or regulating processes or operations for adjusting the mould size or mould taper
Definitions
- the invention relates to a continuous casting mold in a modular structure, comprising an oscillating device for oscillating movement of mold walls, with a mold cavity formed by broad side walls and between these adjustable and clampable narrow side walls for forming a steel strand, with two drive modules spaced apart leaving a horizontal dimension of the mold space, which receive at least the oscillation device, and a plate module, which comprises the Kokillenformhohlraum forming broad side and narrow side walls and their support walls and which is clamped on the two drive modules with a support and fastening means
- the invention relates to a continuous casting mold with slab or thin slab cross section, which is adjustable to different cross-sectional formats.
- the casting width of the steel strand to be cast is adjustable by adjustable narrow side walls, but also the casting thickness of the steel strand to be cast can be done in particular by changing the narrow side walls against wider or narrower narrow side walls.
- the copper plates of the broad side and narrow side walls and the narrow side walls associated casters are subjected to pronounced wear in continuous casting and must therefore be designed conceptually as change parts.
- these change parts together with the casting format determining drive systems, namely the narrow side adjustment and the spreading and clamping device for the broad side walls, a large component, usually the mold as a whole unit assembled and changed as such.
- the mold When changing the exchange parts, therefore, many other modules must be replaced automatically. This causes an increased equipment and time. All prepared reserve molds must be equipped with drives and sensor systems belonging to the drives. Each time the mold changes, the hydraulic and electrical power supply to the drives must be disconnected and coupled, which also increases the risk of malfunction.
- Object of the present invention is to avoid the disadvantages of the prior art and to propose a mold of the generic type, with a clear separation of the components comprising the mold in a module of the mechanical wear subject components and two modules, the drive - and summarize control components is enabled.
- Another advantage of the invention is the cost minimization, resulting in the maintenance, minimized storage costs, and the short changeover times of the modules.
- each of the two drive modules an oscillation drive for the G monumblenver ein and cone adjustment of the narrow side walls and a broadside drive with a spreading and clamping device for clamping the narrow side walls between the broad side walls and for a thickness format change in a removable module
- this is to be understood to mean spreader devices, clamping devices and adjusting devices which are equipped with hydraulic, pneumatic or electric drive components, thus requiring special media supply lines which complicate possible changing processes and at least increase the required changeover times.
- the two drive modules have no cross connection. They each comprise an oscillation drive, an associated Kokillen Entry, which are preferably formed by two spring bands or equivalent components, a narrow side drive for the casting width adjustment and a broadside drive, the spreading and clamping devices and broadside fixations comprises.
- each of the two drive modules comprises a support plate and rests with this support plate on a rigidly mounted in the plant structure of a continuous casting support plate and is secured thereto with clamping devices.
- Equipment supply lines are guided through the support plate and the support plate in the drive module, wherein with the placement of the drive module on the support plate, a tight connection of the corresponding resource supply lines is formed.
- This system is also implemented at the interfaces of the modules, so that in a comprehensive or even modules or sub-components comprehensive mold changes no resource supply lines must be additionally solved or connected.
- the two drive modules are of identical design and alternately as left or right drive module to each other drive module by 180 ° to an imaginary vertical axis turned on and off. Due to the identical design of the right and left drive module, they are directly interchangeable, which essentially halves the necessary stock, as only a spare part, which can be used in case of accidents in the shortest time immediately left or right, is necessary.
- each drive module carries two independently controllable spreading and clamping devices for the two broad side walls supported thereon, which can be activated depending on the left- or right-side mounting position. Since one of the two broad side walls must be fixed in the mold as a fixed side and the other broad side wall accordingly forms the lot side and is relatively movable to the fixed broad side wall, there is a need to arrange the spreading and clamping device on the drive module on the fixed side and on the lot side symmetrically. Accordingly, in the operating situation, one of the two spreading and clamping devices assumes a certain fixed-side position and fixes it. The further spreading and clamping device brings the necessary clamping force for the cohesion of the mold cavity formed by the broad side walls and narrow side walls of the continuous casting mold.
- one of the two independently controllable spreading and clamping devices forms a fixed-side positioning and the further controllable spreading and clamping device a lot-side positioning.
- the Possibility that one of the two spreading and clamping devices, preferably the fixed-side positioning, is formed by a dummy cylinder.
- the dummy cylinder is in this case designed so that it can be used directly in the resulting space after the simple removal of one of the two spreading and clamping devices, namely those that determines the fixed side positioning of a wide side wall. Its adjustable or predetermined longitudinal extent determines the fixed side position of the associated broad side wall.
- This embodiment which is provided in the alternative for specific situations, is likewise encompassed by the definition of the structurally identical design.
- the disk module comprises two identical broad side walls, consisting of copper plates, cassette walls and support walls. Again, a 100 percent interchangeability of these components with the resulting cost advantage is achieved directly by the structurally identical design.
- the narrow side walls are designed to be identical and can be installed alternately.
- the term of identical construction is limited here in the broad side walls in particular to the design of the contact surface for spreading and clamping device, and the contact surface to the drive module through which the media supply is guided and which are also associated clamping devices for clamping plate module and drive module.
- the plate module comprises two identical narrow side walls, consisting of copper plates, cassette walls and support walls.
- the term of identical construction is limited in the narrow side walls in particular to the configuration of the contact surface of the respective support wall to the contact surface on a coupling plate of the narrow side adjustment and the associated positioning.
- the copper plates, both the wide side walls and the narrow side walls are, together with cassette and support walls as a plate module for exchange unit. They can be separated as a plate module, in groups, the two narrow side walls or the two broad side walls, or each separately via quick-change connections from the drive modules or with the drive modules get connected. When changing, the drive modules and with them the individual drives of the individual components of the disk module remain in the system.
- the drive modules can be replaced together with the plate module or alone with the plate module removed.
- the support and fastening device comprises a support plate which is arranged on the movable chair in a horizontal plane or a vertical plane.
- the end portions of the broad side walls are accordingly equipped with correspondingly oriented counter support plates.
- the coolant supply line for the coolant supply of the broad side wall is guided by the wide-side drive, wherein the coolant supply line from the housing with a sword tube in the chair and from there through the support and fastening device in the broad side wall and back.
- the coolant supply line for the return of the coolant from the broad side wall is structurally in reverse order.
- the coolant supply starting from a drive module by the wide side drive in the one end region of the broad side wall and after done Kokillenksselung from there through the opposite end of the wide side wall in the opposite broad side drive of the opposite drive module.
- a possible second embodiment of the invention consists in that the wide-side drive comprises a lifting table frame which rests on at least one tensioning saddle of the oscillating device, that above the lifting table frame two mutually spaced coupling plates protrude, having a fastening device for fixing to an end portion of a broad side wall, that the two coupling plates with two spreading and clamping devices are relatively movable connected to each other, that one of the coupling plates is fixed in position on Hubtischrahmen or fixed in position on Hubtischrahmen and that the Hubtischrahmen supports plates for supporting an end portion of a broad side wall and associated fasteners.
- the narrow-side adjusting device can be formed according to the prior art by a controllable hydraulic or electromechanical adjusting device. If the narrow-side adjusting device comprises a hydraulic adjusting device, this hydraulic adjusting device is either formed by an adjusting cylinder, which is integrated in a lifting cylinder, or it is formed by a telescopic cylinder. In essence, the length of the adjusting cylinder of the hydraulic adjusting device is predetermined by the adjustment, which is determined by the planned casting widths. Since these adjusting cylinders, as part of the narrow-side adjusting device, belong to the drive module, a change of the bending zone after removal of the plate module would no longer be possible because of the large longitudinal extent of the adjusting cylinder. The lifting cylinder can now reset the actual adjusting cylinder and thus create the necessary space for changing the bending zone. The same goal can also be with one Telescopic cylinder can be achieved, but with significantly lower precision and reliability.
- the drive module also includes in its housing the oscillation drive for the Kokillenoszillation.
- the oscillation drive for the Kokillenoszillation comprises a spring band guide and an oscillating cylinder, wherein at least the spring band guide is arranged at the height level of the vertical extension of the broadside and narrow side walls.
- the spring bands of the spring band guide and the oscillation cylinder are set high and arranged in the mold area. The power flow of this arrangement acts more directly on the mold space, especially on the foot roll level. This allows managers from offset errors to be recorded more directly and without unnecessary additional moments. So it is possible to use only a spring band in the upper of the two spring band levels.
- the oscillating cylinder is arranged accessible on the underside of the drive module. A long piston rod reduces the sensitivity of the oscillating cylinder to lateral forces.
- FIG. 1 a continuous casting mold for casting a steel strand with a slab cross-section is shown in an oblique view with a directly adjoining bending zone of a strand guide of a continuous slab caster.
- Two drive modules 1a, 1b and a drive module bridging plate module 2 structure the continuous casting mold 3 into three functional assemblies.
- the plate module 2 comprises the wide side walls 4 forming the mold cavity of the continuous casting mold and narrow side walls 5.
- the identical broad side walls consist essentially of copper plates 4a, cassette walls 4b and support walls 4c.
- the identical narrow side walls 5 consist of copper plates 5a, cassette walls 5b and support walls 5c (FIG. FIG. 5 ).
- Each drive module 1a, 1b combines the drives and adjusting devices necessary for the operation of the continuous casting mold 3 in a common exchange unit. These include the oscillation drive 6 for Kokillenoszillation, the Schmalirriverstell adopted 7 for the casting width adjustment and for the cone setting of the narrow side walls, and a broadside drive 8 with spreading and clamping devices 9 for clamping the narrow side walls between the broad side walls and for a thickness format change.
- FIG. 2 Two support plates 10, which are permanently installed in a plant support structure 11 of a continuous slab caster shown only suggestively, carry the continuous casting mold 3.
- FIG. 2 shown in a detached from the support plates 10 representation.
- the two support plates 10 are connected to a connection frame 12 to a rigid base unit.
- the Support plates 10 project guide rails 13 and centering pins 14 vertically, which facilitate the centered insertion of the continuous casting mold 3 as a whole or the two drive modules 1 a, 1 b of the continuous casting mold.
- mouth regions 15a of various resource supply lines 15 are shown (inlets and outlets), which are functionally separated from each other by seals 16.
- Each drive module 1a, 1b of the continuous casting mold 3 has a support plate 17, which on its underside with in FIG.
- an oscillating cylinder 25 is arranged, which is attached to the underside of the support plate 17 of the drive module accessible and the piston rod 26 projects upwards and, as not shown here, is hinged to the clamping saddle.
- the tensioning saddle is offset by the oscillating cylinder in a vibrating, vertical oscillatory movement, which is transmitted via the housing 24 of the wide-side drive 8 on the plate module 2 supported thereon.
- the long piston rod minimizes the sensitivity of the oscillating cylinder to lateral forces. It is guided between components of the drive module up to the clamping saddle or an adjacent part of the oscillating frame 24 and attached thereto.
- the drive module comprises, as a further mechatronic component, the wide-side drive 8 with the housing 24, which is fastened to the tensioning saddle 23 and that performs an oscillating vertical movement.
- this housing 24 two horizontally movable in the effective direction of the wide-side drive chairs 27 are arranged on both sides of a central plane E, which are hinged to two in a vertical plane stacked spreading and clamping device 28 on pivot joints 29 and supported in the housing 24.
- a supporting and fastening device 30 for supporting and securing each one end of a broad side wall 4 of the plate module 2 is arranged.
- one of the broad side walls 4 is defined as a function of the mounting position as a fixed side and the fixed side associated with this spreading and clamping devices held in a specific fixed side position.
- the controllable spreading and clamping devices 28 assigned to one side of the wide-side drive 8 form a fixed-side positioning device 28a and the further controllable spreading and clamping devices lying opposite each other in horizontal planes form a loose-side positioning device 28b for the wide side walls 5 of the disk module 2. and clamping device 28 are associated with the necessary position and / or pressure transducer 31 for the position control.
- the wide-side drive 8 allows the clamping of the broad side walls and the narrow side walls with different pressure in different horizontal planes.
- the wide side drive further allows loosening the clamp to change format by shifting the narrow side walls or positionally releasing and opening the mold cavity in the thickness direction to change the narrow side walls, e.g. when changing the format to a different casting thickness.
- the supporting and fastening device 30 comprises a support plate 32 on the sliding chair 27, which is opposite to a counter-support plate 33 at the end of the broad side wall on the underside thereof.
- the support plate 32 and the counter support plate 33 are provided with clamping means 34, for example clamping screws, clamped and allow the joint removal and installation of drive modules and disk module or the individual modules separately.
- the support plate 32 and associated counter-support plate 33 are arranged resting on each other in a horizontal plane.
- 1 b Starting from the support plate 17 of the drive module 1 a, 1 b lead coolant supply lines 35 through cavities in the housing 24 of the broad side drive 8, by rapiers 36 in each of the sliding chairs 27 and by the support plate 32 and the counter-support plate 33 in the respective broad side wall 4, in which Copper plates 4a are cooled on the inside with coolant.
- the return of the coolant takes place by means of analog coolant supply lines in the reverse direction or sequence.
- this structurally symmetrical design of the broadside drive with the ability to freely choose the assignment of a spreading and clamping device 9 for the fixed side positioning, allows the use and installation of a drive module 1a, 1b both as a left-side and as a right-side drive module in the continuous casting mold. This results in considerable savings, especially in the storage costs.
- a dummy cylinder 28c with a length which can be mechanically or automatically adjusted to the fixed side position of the wide side wall.
- the dummy cylinder corresponds in its dimensions of the spreading and clamping device 28 ( Fig. 3 ).
- FIG. 6 Another embodiment of a broadside drive is shown in FIG FIG. 6 shown.
- the wide-side drive 8 comprises a lifting table frame 51 which is supported vertically oscillating on the tensioning saddle 23 of spring band guides 21 of the oscillation drive.
- two coupling plates 52 are arranged in a vertical orientation in an adjustable horizontal distance, which Fastening means 53 are associated with a hook 54 for hooking on a vertical support wall of the wide side wall of the plate module, not shown, and a clamping screw 55 for fixing the coupling plate 52 on the broad side wall.
- the two coupling plates are held with two horizontal planes arranged one above the other spreading and clamping devices 9 in an adjustable horizontal distance.
- One of the coupling plates 52 is fixed to a vertical mounting plate 56, which in turn is positionable on Hubtischrahmen 51. Accordingly, the spreading and clamping device 9 is articulated with its one end directly to the mounting plate 56 and its other end hinged to the horizontally displaceable coupling plate 52.
- the lifting table frame 51 is equipped with two separate support plates 57, on which rest the broad side walls with their end portions. Fasteners 58 for the wide side walls, not shown here are indicated by T-slots.
- Coolant supply lines 35 for the supply and discharge of coolant into and out of the associated broad side wall are elongated and provided with ring seals, so that slight positional deviations when placing the broad side walls or the disk module cause no disturbance in the coolant supply. The insertion of the broad side walls is facilitated by insertion plates 59.
- the narrow-side adjusting device 7 is arranged on the drive module.
- the narrow side adjustment 7, as shown in the FIGS. 1 . 3 and 4 is shown comprises two hydraulic adjusting means 37 which are pivotally supported in a support frame 38 at a vertical distance from each other.
- the support frame 38 is preferably releasably attached to the housing 24 of the broad side drive 8 or connected to this inseparable.
- a substantially vertically aligned coupling plate 40 is articulated, on which the narrow side wall 5, taken exactly whose support wall 5c with centering devices 41 and connecting means 42 is releasably attached.
- the centering device 41 and the connecting device 42 comprise cooperating components on the support wall 5c and the coupling plate 40.
- the coupling plate 40 of the Schmalirriverstell issued 7 and the support plate 5c of the narrow side wall 5 coolant passages 49 are provided for supplying the copper plate 5a with coolant.
- the adjusting device 37 can be designed both as a hydraulic adjusting device, as described, but equally as an electromechanical adjusting device.
- the required retraction position is determined by assembly conditions and in particular by the dimensions of the bending zone 43, which immediately follows the continuous casting mold in the strand guide as the first strand support element. As in FIG. 5 illustrates the bending zone 43 is also threaded in a change process after the vertical lifting of the plate module 2 by the vacant Kokillenraum 44 also vertically upwards. The clear width between the drive modules 1 a, 1 b determines this Kokillenraum 44.
- the hydraulic adjusting device 37 is either formed by an adjusting cylinder 46 which is integrated in a lifting cylinder 47 or alternatively formed by a telescopic cylinder 48 ,
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Description
Die Erfindung betrifft eine Stranggießkokille in einer modularen Struktur, mit einer Oszillationseinrichtung zur oszillierenden Bewegung von Kokillenwänden, mit einem von Breitseitenwänden und zwischen diesen verstellbaren und klemmbaren Schmalseitenwänden gebildeten Formhohlraum zur Ausbildung eines Stahlstranges, mit zwei unter Freilassung einer Horizontalabmessung des Kokillenraumes im Abstand befindlichen Antriebsmodulen, die zumindest die Oszillationseinrichtung aufnehmen, und einem Plattenmodul, das den Kokillenformhohlraum bildende Breitseiten- und Schmalseitenwände und deren Stützwände umfasst und das auf den beiden Antriebsmodulen mit einer Abstütz- und Befestigungseinrichtung klemmbar befestigt istThe invention relates to a continuous casting mold in a modular structure, comprising an oscillating device for oscillating movement of mold walls, with a mold cavity formed by broad side walls and between these adjustable and clampable narrow side walls for forming a steel strand, with two drive modules spaced apart leaving a horizontal dimension of the mold space, which receive at least the oscillation device, and a plate module, which comprises the Kokillenformhohlraum forming broad side and narrow side walls and their support walls and which is clamped on the two drive modules with a support and fastening means
Konkret bezieht sich die Erfindung auf eine Stranggießkokille mit Brammen- oder Dünnbrammenquerschnitt, die auf unterschiedliche Querschnittsformate einstellbar ist. Insbesondere ist die Gießbreite des zu gießenden Stahlstranges durch verstellbare Schmalseitenwände veränderbar, aber auch die Gießdicke des zu gießenden Stahlstranges kann insbesondere durch einen Wechsel der Schmalseitenwände gegen breitere oder schmälere Schmalseitenwände erfolgen.Specifically, the invention relates to a continuous casting mold with slab or thin slab cross section, which is adjustable to different cross-sectional formats. In particular, the casting width of the steel strand to be cast is adjustable by adjustable narrow side walls, but also the casting thickness of the steel strand to be cast can be done in particular by changing the narrow side walls against wider or narrower narrow side walls.
Die Kupferplatten der Breitseiten- und Schmalseitenwände sowie die den Schmalseitenwänden zugeordneten Fußrollen sind beim Stranggießen einem ausgeprägtem Verschleiß unterworfen und müssen daher konzeptionell als Wechselteile ausgebildet sein. Üblicherweise werden diese Wechselteile gemeinsam mit den das Gießformat bestimmenden Antriebssystemen, nämlich der Schmalseitenverstelleinrichtung und der Spreiz- und Klemmeinrichtung für die Breitseitenwände, zu einem großen Bauteil, zumeist der Kokille als Gesamteinheit zusammengebaut und als solche gewechselt. Bei einem Tausch der Wechselteile müssen daher viele andere Baugruppen automatisch mit gewechselt werden. Dies verursacht einen erhöhten Ausrüstungs- und Zeitaufwand. Alle vorbereiteten Reservekokillen müssen mit Antrieben und den Antrieben zugehörigen Sensorsystemen ausgerüstet sein. Bei jedem Kokillenwechsel muss die Hydraulik- und Elektroversorgung der Antriebe ent- und gekoppelt werden, wodurch zusätzlich das Störungsrisiko steigt.The copper plates of the broad side and narrow side walls and the narrow side walls associated casters are subjected to pronounced wear in continuous casting and must therefore be designed conceptually as change parts. Usually, these change parts together with the casting format determining drive systems, namely the narrow side adjustment and the spreading and clamping device for the broad side walls, a large component, usually the mold as a whole unit assembled and changed as such. When changing the exchange parts, therefore, many other modules must be replaced automatically. This causes an increased equipment and time. All prepared reserve molds must be equipped with drives and sensor systems belonging to the drives. Each time the mold changes, the hydraulic and electrical power supply to the drives must be disconnected and coupled, which also increases the risk of malfunction.
Aus der
Aus der
Schließlich ist es aus der
Aufgabe der vorliegenden Erfindung ist es, die Nachteile des bekannten Standes der Technik zu vermeiden und eine Kokille der gattungsbildenden Art vorzuschlagen, mit der eine klare Trennung der die Kokille umfassenden Bauteile in einen Modul der einem mechanischen Verschleiß unterliegenden Bauteile umfasst und zwei Module, die Antriebs- und Steuerkomponenten zusammenfassen, ermöglicht wird.Object of the present invention is to avoid the disadvantages of the prior art and to propose a mold of the generic type, with a clear separation of the components comprising the mold in a module of the mechanical wear subject components and two modules, the drive - and summarize control components is enabled.
Ein weiterer Vorteil der Erfindung besteht in der Kostenminimierung, die sich bei der Instandhaltung, bei minimierten Lagerhaltungsaufwand, sowie den kurzen Wechselzeiten der Module ergeben.Another advantage of the invention is the cost minimization, resulting in the maintenance, minimized storage costs, and the short changeover times of the modules.
Diese Aufgabe wird bei einer Stranggießkokille der gattungsbildenden Art dadurch gelöst, dass jedes der beiden Antriebsmodule einen Oszillationsantrieb für die Gießbreitenverstellung und für die Konuseinstellung der Schmalseitenwände und einen Breitseitenantrieb mit einer Spreiz- und Klemmeinrichtung für die Klemmung der Schmalseitenwände zwischen den Breitseitenwänden und für einen Dickenformatwechsel in einer wechselbaren Baugruppe umfasst, dass das Plattenmodul frei von Spreizeinrichtungen, Klemmeinrichtungen und Verstelleinrichtungen zur Positionierung der Kokillenwände zueinander als wechselbare Baugruppe ausgebildet ist. Insbesondere sind hierunter Spreizeinrichtungen, Klemmeinrichtungen und Verstelleinrichtungen zu verstehen, die mit hydraulischen, pneumatischen oder elektrischen Antriebskomponenten ausgestattet sind, somit spezielle Medienversorgungsleitungen benötigen, die allfällige Wechselvorgänge erschweren und zumindest die benötigten Wechselzeiten vergrößern.This object is achieved in a continuous casting mold of the generic type in that each of the two drive modules an oscillation drive for the Gießbreitenverstellung and cone adjustment of the narrow side walls and a broadside drive with a spreading and clamping device for clamping the narrow side walls between the broad side walls and for a thickness format change in a removable module comprises that the disk module free of spreaders, clamping devices and adjusting devices for positioning the mold walls to each other as removable module is formed. In particular, this is to be understood to mean spreader devices, clamping devices and adjusting devices which are equipped with hydraulic, pneumatic or electric drive components, thus requiring special media supply lines which complicate possible changing processes and at least increase the required changeover times.
In einer bevorzugten Ausführungsform weisen die beiden Antriebsmodule keine Querverbindung auf. Sie umfassen jeweils einen Oszillationsantrieb, eine zugehörige Kokillenführung, die vorzugsweise von zwei Federbändern oder gleichwirkenden Bauteilen gebildet sind, einem Schmalseitenantrieb für die Gießbreitenverstellung und einem Breitseitenantrieb, der Spreiz- und Klemmeinrichtungen und Breitseitenfixierungen umfasst.In a preferred embodiment, the two drive modules have no cross connection. They each comprise an oscillation drive, an associated Kokillenführung, which are preferably formed by two spring bands or equivalent components, a narrow side drive for the casting width adjustment and a broadside drive, the spreading and clamping devices and broadside fixations comprises.
Zweckmäßig umfasst jedes der beiden Antriebsmodule eine Stützplatte und liegt mit dieser Stützplatte auf einer im Anlagentragwerk einer Stranggießanlage starr befestigten Tragplatte auf und ist auf dieser mit Spanneinrichtungen befestigt. Betriebsmittel-Versorgungsleitungen sind durch die Tragplatte und die Stützplatte in das Antriebsmodul geführt, wobei mit dem Aufsetzen des Antriebsmoduls auf die Tragplatte eine dichte Verbindung der korrespondierenden Betriebsmittel-Versorgungsleitungen gebildet ist. Damit werden alle für die Versorgung der Stranggießkokille notwendigen Betriebsmittel zentral zugeführt. Dieses System wird auch an den Schnittstellen der Module verwirklicht, sodass bei einem umfassenden oder auch nur Module oder Teilkomponenten umfassenden Kokillenwechsel keine Betriebsmittel-Versorgungsleitungen zusätzlich gelöst oder verbunden werden müssen.Suitably, each of the two drive modules comprises a support plate and rests with this support plate on a rigidly mounted in the plant structure of a continuous casting support plate and is secured thereto with clamping devices. Equipment supply lines are guided through the support plate and the support plate in the drive module, wherein with the placement of the drive module on the support plate, a tight connection of the corresponding resource supply lines is formed. Thus, all necessary for the supply of the continuous casting mold resources are supplied centrally. This system is also implemented at the interfaces of the modules, so that in a comprehensive or even modules or sub-components comprehensive mold changes no resource supply lines must be additionally solved or connected.
Eine zweckmäßige Weiterbildung der Erfindung besteht darin, dass die beiden Antriebsmodule baugleich ausgebildet sind und wechselweise als linkes oder rechtes Antriebsmodul zum jeweils anderen Antriebsmodul um 180° um eine gedachte vertikale Achse gedreht ein- und ausbaubar sind. Durch die Baugleichheit des rechten und des linken Antriebsmoduls sind sie direkt austauschbar, wodurch sich der notwendige Lagerbestand im Wesentlichen halbiert, da nur mehr ein Reserveteil, welcher bei Störfällen in kürzester Zeit unmittelbar links oder rechts eingesetzt werden kann, notwendig ist.An expedient development of the invention is that the two drive modules are of identical design and alternately as left or right drive module to each other drive module by 180 ° to an imaginary vertical axis turned on and off. Due to the identical design of the right and left drive module, they are directly interchangeable, which essentially halves the necessary stock, as only a spare part, which can be used in case of accidents in the shortest time immediately left or right, is necessary.
Unter der Formulierung, dass die beiden Antriebsmodule baugleich ausgebildet sind, ist keinesfalls zu verstehen, dass die austauschbaren Antriebsmodule völlig identisch ausgebildet sein müssen. Die Baugleichheit der Antriebsmodule beschränkt sich auf die Ausgestaltung derjenigen Bauteile, die notwendig sind, um die Funktion der Stranggießkokille bei rechtsseitigem oder linksseitigem Einbau unmittelbar zu gewährleisten.Under the formulation that the two drive modules are of identical design, it is by no means to be understood that the replaceable drive modules must be designed to be completely identical. The design uniformity of the drive modules is limited to the design of those components that are necessary to ensure the function of the continuous casting mold in right-sided or left-sided installation immediately.
Eine zweckmäßige Weiterbildung der Erfindung besteht darin, dass jedes Antriebsmodul zwei unabhängig voneinander ansteuerbare Spreiz- und Klemmeinrichtungen für die beiden darauf abgestützten Breitseitenwände trägt, die je nach links- oder rechtsseitiger Einbauposition aktivierbar sind. Da eine der beiden Breitseitenwände in der Kokille als Festseite festgelegt sein muss und die andere Breitseitenwand dementsprechend die Losseite bildet und zur festseitigen Breitseitenwand relativbeweglich ausgebildet ist, ergibt sich die Erfordernis die Spreiz- und Klemmeinrichtung am Antriebsmodul auf der Festseite und auf der Losseite symmetrisch anzuordnen. Dementsprechend nimmt in der Betriebssituation eine der beiden Spreiz- und Klemmeinrichtungen eine bestimmte Festseitenposition ein und fixiert diese. Die weitere Spreiz- und Klemmeinrichtung bringt die notwendige Klemmkraft für den Zusammenhalt des von den Breitseitenwänden und Schmalseitenwänden gebildeten Formhohlraumes der Stranggießkokille auf. Somit bildet eine der zwei unabhängig voneinander ansteuerbaren Spreiz- und Klemmeinrichtungen eine Festseiten-Positioniereinrichtung und die weitere ansteuerbare Spreiz- und Klemmeinrichtung eine Losseiten-Positioniereinrichtung. Diese Anordnung erfordert somit zwar einen gering erhöhten Einrichtungsaufwand, der allerdings durch den Vorteil einer wechselseitigen Verwendbarkeit jedes Antriebsmoduls und des dadurch entstehenden Einsparungspotentials in der Lagerhaltung mehrfach wettgemacht wird.An expedient development of the invention is that each drive module carries two independently controllable spreading and clamping devices for the two broad side walls supported thereon, which can be activated depending on the left- or right-side mounting position. Since one of the two broad side walls must be fixed in the mold as a fixed side and the other broad side wall accordingly forms the lot side and is relatively movable to the fixed broad side wall, there is a need to arrange the spreading and clamping device on the drive module on the fixed side and on the lot side symmetrically. Accordingly, in the operating situation, one of the two spreading and clamping devices assumes a certain fixed-side position and fixes it. The further spreading and clamping device brings the necessary clamping force for the cohesion of the mold cavity formed by the broad side walls and narrow side walls of the continuous casting mold. Thus, one of the two independently controllable spreading and clamping devices forms a fixed-side positioning and the further controllable spreading and clamping device a lot-side positioning. Although this arrangement thus requires a slightly increased set-up effort, which is made up several times by the advantage of a mutual usability of each drive module and the resulting potential savings in storage.
Da die Spreiz- und Klemmeinrichtungen am Antriebsmodul leicht zu wechselnde Bauteile darstellen, besteht nach einer möglichen Ausführungsform der Erfindung die Möglichkeit, dass eine der beiden Spreiz- und Klemmeinrichtungen, vorzugsweise die Festseiten-Positioniereinrichtung, von einem Dummyzylinder gebildet ist. Der Dummyzylinder ist hierbei so ausgebildet, dass er nach dem einfachen Ausbau einer der beiden Spreiz- und Klemmeinrichtungen, nämlich derjenigen, die die Festseitenpositionierung der einen Breitseitenwand bestimmt, unmittelbar in den entstehenden Freiraum eingesetzt werden kann. Seine einstellbare oder vorgegebene Längserstreckung bestimmt die Festseitenposition der zugeordneten Breitseitenwand. Diese hilfsweise für spezielle Situationen vorgesehene Ausführungsform wird von der Begriffsbestimmung der baugleichen Ausgestaltung ebenfalls umfasst.Since the spreading and clamping devices on the drive module are easy to change components, according to a possible embodiment of the invention, the Possibility that one of the two spreading and clamping devices, preferably the fixed-side positioning, is formed by a dummy cylinder. The dummy cylinder is in this case designed so that it can be used directly in the resulting space after the simple removal of one of the two spreading and clamping devices, namely those that determines the fixed side positioning of a wide side wall. Its adjustable or predetermined longitudinal extent determines the fixed side position of the associated broad side wall. This embodiment, which is provided in the alternative for specific situations, is likewise encompassed by the definition of the structurally identical design.
Eine weitere zweckmäßige Ausgestaltung der Erfindung besteht darin, dass das Plattenmodul zwei baugleiche Breitseitenwände, bestehend aus Kupferplatten, Kassettenwänden und Stützwänden, umfasst. Auch hier wird durch die baugleiche Ausgestaltung eine hundertprozentige Austauschbarkeit dieser Bauteile mit dem sich daraus ergebenden Kostenvorteil unmittelbar erreicht. Gleichermaßen sind die Schmalseitenwände baugleich ausgeführt und wechselseitig einbaubar. Der Begriff der Baugleichheit beschränkt sich hier bei den Breitseitenwänden insbesondere auf die Ausgestaltung der Kontaktfläche zur Spreiz- und Klemmeinrichtung, sowie der Kontaktfläche zum Antriebmodul, durch die die Medienversorgung geführt ist und der auch Spanneinrichtungen zum Verspannen von Plattenmodul und Antriebsmodul zugeordnet sind.A further advantageous embodiment of the invention is that the disk module comprises two identical broad side walls, consisting of copper plates, cassette walls and support walls. Again, a 100 percent interchangeability of these components with the resulting cost advantage is achieved directly by the structurally identical design. Likewise, the narrow side walls are designed to be identical and can be installed alternately. The term of identical construction is limited here in the broad side walls in particular to the design of the contact surface for spreading and clamping device, and the contact surface to the drive module through which the media supply is guided and which are also associated clamping devices for clamping plate module and drive module.
Gleichermaßen umfasst das Plattenmodul zwei baugleiche Schmalseitenwände, bestehend aus Kupferplatten, Kassettenwänden und Stützwänden. Der Begriff der Baugleichheit beschränkt sich bei den Schmalseitenwänden insbesondere auf die Ausgestaltung der Kontaktfläche der jeweiligen Stützwand zur Kontaktfläche auf einer Koppelplatte der Schmalseitenverstelleinrichtung und den zugeordneten Positioniereinrichtungen.Likewise, the plate module comprises two identical narrow side walls, consisting of copper plates, cassette walls and support walls. The term of identical construction is limited in the narrow side walls in particular to the configuration of the contact surface of the respective support wall to the contact surface on a coupling plate of the narrow side adjustment and the associated positioning.
Die Kupferplatten, sowohl der Breitseitenwände als auch der Schmalseitenwände, werden samt Kassetten- und Stützwänden als Plattenmodul zur Wechseleinheit. Sie können gemeinsam als Plattenmodul, in Gruppen, die beiden Schmalseitenwände oder die beiden Breitseitenwände, oder jede für sich über schnellwechselfähige Verbindungen von den Antriebmodulen getrennt oder mit den Antriebsmodulen verbunden werden. Bei einem Wechsel verbleiben die Antriebsmodule und mit ihnen die individuellen Antriebe der einzelnen Bauteile des Plattenmoduls in der Anlage.The copper plates, both the wide side walls and the narrow side walls are, together with cassette and support walls as a plate module for exchange unit. They can be separated as a plate module, in groups, the two narrow side walls or the two broad side walls, or each separately via quick-change connections from the drive modules or with the drive modules get connected. When changing, the drive modules and with them the individual drives of the individual components of the disk module remain in the system.
Die Antriebmodule können gemeinsam mit dem Plattenmodul oder für sich alleine bei ausgebautem Plattenmodul gewechselt werden.The drive modules can be replaced together with the plate module or alone with the plate module removed.
Der Breitseitenantrieb für die Festlegung der beiden Breitseitenwände zueinander und für die Klemmung der Schmalseitenwände zwischen den Breitseitenwänden kann innerhalb des Antriebsmoduls unterschiedlich ausgebildet sein. Nachfolgend werden zwei mögliche Ausführungsformen eines Breitseitenantriebes beschrieben:
- Nach einer möglichen ersten Ausführungsform umfasst der Breitseitenantrieb ein Gehäuse, welches auf mindestens einem Spannsattel des Oszillationsantriebes aufliegt. In dem Gehäuse sind zwei in Wirkrichtung der Breitseitenanstellung verschiebbare Stühle angeordnet. An jedem der Stühle ist eine Abstütz- und Befestigungseinrichtung zum Abstützen und Befestigen eines Endes einer Breitseitenwand angeordnet. An jedem der Stühle sind zwei Spreiz- und Klemmeinrichtungen zum Lösen und Verspannen der Breitseitenwände zueinander angelenkt und die Spreiz- und Klemmeinrichtungen sind ihrerseits am Gehäuse abgestützt. Ein beiderseitiges Lösen der Spreiz- und Klemmeinrichtung ermöglicht somit einen problemlosen Aus- und Einbau des Plattenmoduls oder seiner Teilkomponenten.
- According to a possible first embodiment, the wide-side drive comprises a housing which rests on at least one tensioning saddle of the oscillation drive. In the housing two movable in the direction of action of the broadside adjustment chairs are arranged. At each of the chairs, a supporting and fastening device for supporting and fixing one end of a broad side wall is arranged. At each of the chairs two spreading and clamping devices for releasing and clamping the broad side walls are hinged to each other and the spreading and clamping devices are in turn supported on the housing. A mutual release of the spreading and clamping device thus allows easy removal and installation of the disk module or its sub-components.
Nach einer zweckmäßigen Ausgestaltung umfasst die Abstütz- und Befestigungseinrichtung eine Stützplatte die am verschiebbaren Stuhl in einer Horizontalebene oder einer Vertikalebene angeordnet ist. Die Endbereiche der Breitseitenwände sind dementsprechend mit korrespondierend ausgerichteten Gegenstützplatten ausgestattet.According to an expedient embodiment, the support and fastening device comprises a support plate which is arranged on the movable chair in a horizontal plane or a vertical plane. The end portions of the broad side walls are accordingly equipped with correspondingly oriented counter support plates.
Die Kühlmittelversorgungsleitung für die Kühlmittelversorgung der Breitseitenwand ist durch den Breitseitenantrieb geführt, wobei die Kühlmittelversorgungsleitung vom Gehäuse mit einem Degenrohre in den Stuhl und von dort durch die Abstütz- und Befestigungseinrichtung in die Breitseitenwand und zurück geführt ist. Die Kühlmittelversorgungsleitung für die Rückführung des Kühlmittels aus der Breitseitenwand erfolgt strukturell in umgekehrter Folge.The coolant supply line for the coolant supply of the broad side wall is guided by the wide-side drive, wherein the coolant supply line from the housing with a sword tube in the chair and from there through the support and fastening device in the broad side wall and back. The coolant supply line for the return of the coolant from the broad side wall is structurally in reverse order.
Nach einer weiteren Ausgestaltung kann die Kühlmittelversorgung ausgehend von einem Antriebsmodul durch den Breitseitenantrieb in den einen Endbereich der Breitseitenwand und nach erfolgter Kokillenkühlung von dort durch den gegenüberliegende Endbereich der Breitseitenwand in den gegenüberliegenden Breitseitenantrieb des gegenüberliegenden Antriebsmoduls erfolgen.According to a further embodiment, the coolant supply starting from a drive module by the wide side drive in the one end region of the broad side wall and after done Kokillenkühlung from there through the opposite end of the wide side wall in the opposite broad side drive of the opposite drive module.
Eine mögliche zweite Ausführungsform der Erfindung besteht darin, dass der Breitseitenantrieb einen Hubtischrahmen umfasst, welcher auf mindestens einem Spannsattel der Oszilliereinrichtung aufliegt, dass über dem Hubtischrahmen zwei im Abstand zueinander angeordnete Koppelplatten aufragen, die eine Befestigungseinrichtung zu deren Befestigung an einem Endbereich einer Breitseitenwand aufweisen, dass die beiden Koppelplatten mit zwei Spreiz- und Klemmeinrichtungen zueinander relativbeweglich verbunden sind, dass eine der Koppelplatten am Hubtischrahmen lagefixiert oder in seiner Position am Hubtischrahmen fixierbar ausgebildet ist und dass der Hubtischrahmen Auflageplatten für die Abstützung eines Endbereiches einer Breitseitenwand und zugeordnete Befestigungseinrichtungen trägt.A possible second embodiment of the invention consists in that the wide-side drive comprises a lifting table frame which rests on at least one tensioning saddle of the oscillating device, that above the lifting table frame two mutually spaced coupling plates protrude, having a fastening device for fixing to an end portion of a broad side wall, that the two coupling plates with two spreading and clamping devices are relatively movable connected to each other, that one of the coupling plates is fixed in position on Hubtischrahmen or fixed in position on Hubtischrahmen and that the Hubtischrahmen supports plates for supporting an end portion of a broad side wall and associated fasteners.
Hier erfolgt die Kühlmittelversorgung der Breitseitenwand durch eine Kühlmittelversorgungsleitung, die durch die Auflageplatten des Hubtischrahmens unmittelbar in die Breitseitenwand und zurück geführt ist.Here, the coolant supply of the wide side wall by a coolant supply line, which is guided by the support plates of Hubtischrahmens directly into the wide side wall and back.
Die Schmalseitenverstelleinrichtung kann nach dem Stand der Technik von einer ansteuerbaren hydraulischen oder elektromechanischen Verstelleinrichtung gebildet sein. Wenn die Schmalseitenverstelleinrichtung eine hydraulische Verstelleinrichtung umfasst, ist diese hydraulische Verstelleinrichtung entweder von einem Verstellzylinder gebildet, der in einem Hubzylinder integriert ist, oder sie ist von einem Teleskopzylinder gebildet. Im Wesentlichen ist die Länge der Verstellzylinder der hydraulischen Verstelleinrichtung durch die Verstellmöglichkeit vorgegeben, die von den geplanten Gießbreiten bestimmt ist. Da diese Verstellzylinder als Teil der Schmalseitenverstelleinrichtung dem Antriebsmodul zugehören, wäre ein Wechsel der Biegezone nach dem Entfernen des Plattenmoduls wegen der großen Längserstreckung der Verstellzylinder nicht mehr möglich. Der Hubzylinder kann nun den eigentlichen Verstellzylinder zurücksetzen und so den nötigen Wechselraum für einen Wechsel der Biegezone schaffen. Das gleiche Ziel kann auch mit einem Teleskopzylinder erreicht werden, jedoch mit deutlich geringerer Präzision und Zuverlässigkeit.The narrow-side adjusting device can be formed according to the prior art by a controllable hydraulic or electromechanical adjusting device. If the narrow-side adjusting device comprises a hydraulic adjusting device, this hydraulic adjusting device is either formed by an adjusting cylinder, which is integrated in a lifting cylinder, or it is formed by a telescopic cylinder. In essence, the length of the adjusting cylinder of the hydraulic adjusting device is predetermined by the adjustment, which is determined by the planned casting widths. Since these adjusting cylinders, as part of the narrow-side adjusting device, belong to the drive module, a change of the bending zone after removal of the plate module would no longer be possible because of the large longitudinal extent of the adjusting cylinder. The lifting cylinder can now reset the actual adjusting cylinder and thus create the necessary space for changing the bending zone. The same goal can also be with one Telescopic cylinder can be achieved, but with significantly lower precision and reliability.
Das Antriebsmodul umfasst in seinem Gehäuse auch den Oszillationsantrieb für die Kokillenoszillation. Hier wird eine raumsparende Bauweise dadurch erreicht, dass der Oszillationsantrieb für die Kokillenoszillation eine Federbandführung und einen Oszillationszylinder umfasst, wobei zumindest die Federbandführung auf dem Höhenniveau der Vertikalerstreckung der Breitseiten- und Schmalseitenwände angeordnet ist. Nach einer günstigen Ausführungsform sind die Federbänder der Federbandführung und der Oszillationszylinder hochgesetzt und im Kokillenbereich angeordnet. Der Kraftfluss dieser Anordnung wirkt direkter auf den Kokillenraum, besonders auf die Fußrollenebene. Damit können Führungskräfte aus Versatzfehlern direkter und ohne unnötige Zusatzmomente aufgenommen werden. So ist es möglich in der oberen der zwei Federbandebenen nur ein Federband einzusetzen. Der Oszillationszylinder ist zugänglich an der Unterseite des Antriebmoduls angeordnet. Eine lange Kolbenstange mindert die Empfindlichkeit des Oszillationszylinders auf Seitenkräfte.The drive module also includes in its housing the oscillation drive for the Kokillenoszillation. Here, a space-saving design is achieved in that the oscillation drive for the Kokillenoszillation comprises a spring band guide and an oscillating cylinder, wherein at least the spring band guide is arranged at the height level of the vertical extension of the broadside and narrow side walls. According to a favorable embodiment, the spring bands of the spring band guide and the oscillation cylinder are set high and arranged in the mold area. The power flow of this arrangement acts more directly on the mold space, especially on the foot roll level. This allows managers from offset errors to be recorded more directly and without unnecessary additional moments. So it is possible to use only a spring band in the upper of the two spring band levels. The oscillating cylinder is arranged accessible on the underside of the drive module. A long piston rod reduces the sensitivity of the oscillating cylinder to lateral forces.
Weitere Vorteile und Merkmale der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung nicht einschränkender Ausführungsbeispiele, wobei auf die folgenden Figuren Bezug genommen wird, die folgendes zeigen:
- Fig. 1
- eine zusammengebaute erfindungsgemäße Stranggießkokille in einem Schrägriss,
- Fig. 2
- eine erfindungsgemäße Stranggießkokille in einer von Tragplatten abgehobenen Position in einem Schrägriss,
- Fig. 3
- einen Querschnitt durch das Antriebsmodul nach einer ersten Ausführungsform,
- Fig. 4
- eine Darstellung der Antriebsmodule nach der ersten Ausführungsform mit den angebauten Schmalseitenverstelleinrichtungen,
- Fig. 5
- eine schematische Montagegruppendarstellung der erfindungsgemäßen, modular aufgebauten Stranggießkokille,
- Fig. 6
- einen Antriebsmodul nach einer zweiten Ausführungsform der Erfindung mit einer angebauten Schmalseitenverstelleinrichtung.
- Fig. 1
- an assembled continuous casting mold according to the invention in an oblique angle,
- Fig. 2
- a continuous casting mold according to the invention in a position lifted off from support plates in an oblique angle,
- Fig. 3
- a cross section through the drive module according to a first embodiment,
- Fig. 4
- a representation of the drive modules according to the first embodiment with the attached Schmalseitenverstelleinrichtungen,
- Fig. 5
- a schematic mounting group representation of the modular, continuous casting mold according to the invention,
- Fig. 6
- a drive module according to a second embodiment of the invention with an attached Schmalseitenverstelleinrichtung.
In
Zwei Antriebsmodule 1a, 1 b und ein die Antriebsmodule überbrückendes Plattenmodul 2 strukturieren die Stranggießkokille 3 in drei funktionelle Baugruppen.Two
Das Plattenmodul 2 umfasst die den Formhohlraum der Stranggießkokille bildenden Breitseitenwände 4 und Schmalseitenwände 5. Die baugleichen Breitseitenwände bestehen im Wesentlichen aus Kupferplatten 4a, Kassettenwänden 4b und Stützwänden 4c. Gleichermaßen bestehen die baugleichen Schmalseitenwände 5 aus Kupferplatten 5a, Kassettenwänden 5b und Stützwänden 5c (
Jedes Antriebsmodul 1a, 1 b vereint die für den Betrieb der Stranggießkokille 3 notwendigen Antriebe und Verstelleinrichtungen in einer gemeinsamen Wechseleinheit. Hierzu gehören der Oszillationsantrieb 6 für die Kokillenoszillation, die Schmalseitenverstelleinrichtung 7 für die Gießbreitenverstellung und für die Konuseinstellung der Schmalseitenwände, sowie ein Breitseitenantrieb 8 mit Spreiz- und Klemmeinrichtungen 9 für die Klemmung der Schmalseitenwände zwischen den Breitseitenwänden und für einen Dickenformatwechsel.Each
Zwei Tragplatten 10, die in einem nur andeutungsweise dargestellten Anlagentragwerk 11 einer Brammenstranggießanlage fest installiert sind, tragen die Stranggießkokille 3. Diese ist in
Auf der Stützplatte 17 des Antriebsmoduls 1 a, 1 b ist der Gehäuserahmen 20 des Oszillationsantriebes 6 abgestützt, der eine erste mechatronische Komponente einer Gruppe von auf dem Antriebsmodul zusammengefassten mechatronischen Komponenten bildet. In diesem Oszillationsantrieb sind von Federbändern 22 gebildete Federbandführungen 21 in zwei übereinander angeordneten Ebenen angeordnet. Die Federbänder 22 sind mit ihren Endbereichen im Gehäuserahmen 20 festgeklemmt und tragen in ihrem Mittenbereich jeweils einen Spannsattel 23 auf dem das Gehäuse 24 des Breitseitenantriebs 8 aufliegt. Wie aus
Das Antriebsmodul umfasst als weitere mechatronische Komponente den Breitseitenantrieb 8 mit dem Gehäuse 24, welches am Spannsattel 23 befestigt ist und das eine oszillierende Vertikalbewegung ausführt. In diesem Gehäuse 24 sind zwei horizontal in Wirkrichtung des Breitseitenantriebs verschiebbare Stühle 27 beiderseits einer Mittenebene E angeordnet, die an zwei in einer Vertikalebene übereinander angeordneten Spreiz- und Klemmeinrichtung 28 an Schwenkgelenken 29 angelenkt und im Gehäuse 24 abgestützt sind. Auf den beiden verschiebbaren Stühlen ist eine Abstütz- und Befestigungseinrichtung 30 zum Abstützen und Befestigen von je einem Ende einer Breitseitenwand 4 des Plattenmoduls 2 angeordnet.The drive module comprises, as a further mechatronic component, the wide-side drive 8 with the
Beim Klemmvorgang, z.B. dem Verspannen von Breitseitenwänden und Schmalseitenwänden zur Bildung eines stabilen Formhohlraumes in der Kokille, wird eine der Breitseitenwände 4 in Abhängigkeit von der Einbaulage als Festseite definiert und die dieser Festseite zugeordneten Spreiz- und Klemmeinrichtungen in einer bestimmten Festseitenposition gehalten. Mit den gegenüber liegenden Spreiz- und Klemmeinrichtungen 28 wird der verschiebbare Stuhl 27 und die darauf aufliegende Breitseitenwand 4 angepresst, bis die gewünschte Position oder der gewünschte Anpressdruck erreicht ist. Die einer Seite des Breitseitenantriebes 8 zugeordneten, ansteuerbaren Spreiz- und Klemmeinrichtungen 28 bilden eine Festseiten-Positioniereinrichtung 28a und die weiteren, in Horizontalebenen gegenüber liegenden ansteuerbaren Spreiz- und Klemmeinrichtungen bilden eine Losseiten-Positioniereinrichtung 28b für die Breitseitenwände 5 des Plattenmoduls 2. Der Spreiz- und Klemmeinrichtung 28 sind die hierfür notwendigen Positions- und / oder Druckgeber 31 für die Positionsregelung zugeordnet.In the clamping process, e.g. the bracing of broad side walls and narrow side walls to form a stable mold cavity in the mold, one of the
Der Breitseitenantrieb 8 ermöglicht, die Klemmung der Breitseitenwände und der Schmalseitenwände mit in unterschiedlichen Horizontalebenen unterschiedlichem Anpressdruck. Der Breitseitenantrieb ermöglicht weiters, ein Lösen der Klemmung zur Formatänderung durch Verschieben der Schmalseitenwände oder ein positionsgesteuertes Lösen und Öffnen des Formhohlraumes in Dickenrichtung, um die Schmalseitenwände zu wechseln, z.B. bei einer Formatänderung auf eine andere Gießdicke.The wide-side drive 8 allows the clamping of the broad side walls and the narrow side walls with different pressure in different horizontal planes. The wide side drive further allows loosening the clamp to change format by shifting the narrow side walls or positionally releasing and opening the mold cavity in the thickness direction to change the narrow side walls, e.g. when changing the format to a different casting thickness.
Die Abstütz- und Befestigungseinrichtung 30 umfasst eine Stützplatte 32 auf dem verschiebbaren Stuhl 27, dem eine Gegenstützplatte 33 am Ende der Breitseitenwand auf deren Unterseite gegenüber liegt. Die Stützplatte 32 und die Gegenstützplatte 33 sind mit Spannmittel 34, beispielsweise Spannschrauben, verspannt und ermöglichen den gemeinsamen Aus- und Einbau von Antriebsmodulen und Plattenmodul oder den einzelnen Modulen getrennt voneinander. Die Stützplatte 32 und zugeordnete Gegenstützplatte 33 sind in einer Horizontalebene aufeinander aufliegend angeordnet.The supporting and
Sie können gleichermaßen nach einer hier nicht dargestellten Ausführungsform in einer Vertikalebene aneinander anliegend und zueinander verspannt angeordnet sein. Die vertikale Ausrichtung der Stützplatte 32 würde dann im Wesentlichen einer Anordnung der Koppelplatte 52 in
Ausgehend von der Stützplatte 17 des Antriebsmoduls 1a, 1 b führen Kühlmittelversorgungsleitungen 35 durch Hohlräume im Gehäuse 24 des Breitseitenantriebs 8, durch Degenrohre 36 in jeden der verschiebbaren Stühle 27 und durch die Stützplatte 32 und die Gegenstützplatte 33 in die jeweilige Breitseitenwand 4, in der die Kupferplatten 4a innenseitig mit Kühlmittel gekühlt werden. Die Rückführung des Kühlmittels erfolgt durch analoge Kühlmittelversorgungsleitungen in umgekehrter Richtung beziehungsweise Abfolge.Starting from the
Speziell diese baulich symmetrische Ausgestaltung des Breitseitenantriebes mit der Möglichkeit, die Zuordnung einer Spreiz- und Klemmeinrichtung 9 für die Festseitenpositionierung frei zu wählen, gestattet die Verwendung und den Einbau eines Antriebsmoduls 1a, 1 b sowohl als linksseitiges als auch als rechtsseitiges Antriebsmodul in die Stranggießkokille. Damit ergeben sich beträchtliche Einsparungen insbesondere bei den Lagerhaltungskosten.Specifically, this structurally symmetrical design of the broadside drive with the ability to freely choose the assignment of a spreading and clamping
Bei Bedarf besteht auch die Möglichkeit, die als Festseiten-Positioniereinrichtung 28a bestimmte Spreiz- und Klemmeinrichtung 28 fallweise durch einen Dummyzylinder 28c mit einem mechanisch auf die Festseitenposition der Breitseitenwand einstellbaren oder voreingestellten Länge zu ersetzen. Der Dummyzylinder entspricht in seinen Abmessungen der Spreiz- und Klemmeinrichtung 28 (
Eine weitere Ausführungsform eines Breitseitenantriebes ist in
Als dritte wesentliche mechatronische Komponente ist auf dem Antriebsmodul die Schmalseitenverstelleinrichtung 7 angeordnet. Die Schmalseitenverstelleinrichtung 7, wie sie in den
Die Verstelleinrichtung 37 kann sowohl als hydraulische Verstelleinrichtung, wie beschrieben, gleichermaßen aber auch als elektromechanische Verstelleinrichtung ausgebildet sein.The adjusting
Wegen des großen, von den vorgesehenen Gießbreiten abhängigen Verstellweges beziehungsweise Schamlseiten-Verstellbereiches, auf den die hydraulischen Verstelleinrichtungen 37 ausgelegt sein müssen, ist es notwendig, die hydraulische Verstelleinrichtung auch mit großen Rückzugsmöglichkeiten auszustatten. Die erforderliche Rückzugsposition ist durch Montagebedingungen und insbesondere durch die Abmessungen der Biegezone 43 bestimmt, die der Stranggießkokille in der Strangführung als erstes Strangstützelement unmittelbar nachfolgt. Wie in
Aus den Plattenmodulen 2 können, wie in
- 1a, 1b1a, 1b
- Antriebsmoduldrive module
- 22
- Plattenmodulboard module
- 33
- Stranggießkokillecontinuous casting
- 44
- BreitseitenwändeWide side walls
- 4a4a
- Kupferplatten der BreitseitenwändeCopper plates of the broad side walls
- 4b4b
- Kasettenwände der BreitseitenwändeCassette walls of the wide side walls
- 4c4c
- Stützwände der BreitseitenwändeSupporting walls of the broad side walls
- 55
- SchmalseitenwändeNarrow side walls
- 5a5a
- Kupferplatten der SchmalseitenwändeCopper plates of the narrow side walls
- 5b5b
- Kassettenwände der SchmalseitenwändeCassette walls of the narrow side walls
- 5c5c
- Stützwände der SchmalseitenwändeSupporting walls of the narrow side walls
- 66
- Oszillationsantrieboscillatory
- 77
- SchmalseitenverstelleinrichtungSchmalseitenverstelleinrichtung
- 88th
- BreitseitenantriebBroadside drive
- 99
- Spreiz- und KlemmeinrichtungSpreading and clamping device
- 1010
- Tragplattesupport plate
- 1111
- Anlagentragwerk in einer StranggießanlagePlant structure in a continuous casting plant
- 1212
- Verbindungsrahmenconnecting frame
- 1313
- Führungsleistenguide rails
- 1414
- Zentrierbolzencentering
- 1515
- Betriebsmittel-VersorgungsleitungResources supply line
- 15a15a
- Mündungsbereich von Betriebsmittel-VersorgungsleitungenMouth area of equipment supply lines
- 1616
- Dichtungpoetry
- 1717
- Stützplatte des AntriebsmodulsSupport plate of the drive module
- 1818
- Spanneinrichtungtensioning device
- 2020
- Gehäuserahmen des Oszillationsantriebes 6Housing frame of the oscillation drive 6
- 2121
- FederbandführungSpring tape guide
- 2222
- Federbänderspring strips
- 2323
- Spannsattelclamping saddle
- 2424
- Gehäuse des Breitseitenantriebes 8Housing of the broadside drive 8
- 2525
- Oszillationszylinderoscillation cylinders
- 2626
- Kolbenstange des Oszillationszylinders 25Piston rod of the oscillation cylinder 25th
- 2727
- verschiebbarer Stuhlsliding chair
- 2828
- Spreiz- und KlemmeinrichtungSpreading and clamping device
- 28a28a
- Festseiten-PositioniereinrichtungFixed side positioning
- 28b28b
- Losseiten-PositioniereinrichtungLosseiten positioning
- 28c28c
- Dummyzylinderdummy cylinder
- 2929
- Schwenkgelenkpivot
- 3030
- Abstütz- und BefestigungseinrichtungSupporting and fastening device
- 3131
- Positions- und/oder DruckgeberPosition and / or pressure transmitter
- 3232
-
Stützplatte am Stuhl 27Support plate on the
chair 27 - 3333
-
Gegenstützplatte an der Breitseitenwand 5Counter support plate on the
broad side wall 5 - 3434
- Spannmittelclamping means
- 3535
- KühlmittelversorgungsleitungCoolant supply line
- 3636
- DegenrohreDegen pipes
- 3737
- hydraulische oder elektromechanische Verstelleinrichtunghydraulic or electromechanical adjusting device
- 3838
- Tragrahmen der Schmalseitenverstelleinrichtung 7Support frame of the narrow side adjustment 7
- 3939
- Kolbenstangepiston rod
- 4040
- Koppelplatte der Schmalseitenverstelleinrichtung 7Coupling plate of the narrow side adjustment 7
- 4141
- Zentriereinrichtungcentering
- 4242
- Verbindungseinrichtungconnecting device
- 4343
- Biegezonebending zone
- 4444
- KokillenraumKokillenraum
- 4545
- FußrohengerüstFußrohengerüst
- 4646
- Verstellzylinderadjusting cylinder
- 4747
- Hubzylinderlifting cylinder
- 4848
- Teleskopzylindertelescopic cylinders
- 4949
- KühlmitteldurchleitungCoolant line
- 5151
- HubtischrahmenHubtischrahmen
- 5252
- Koppelplattencoupling plates
- 5353
- Befestigungseinrichtungfastening device
- 5454
- Hakenhook
- 5555
- Spannschraubeclamping screw
- 5656
- Befestigungsplattemounting plate
- 5757
- Auflageplatteplaten
- 5858
- Befestigungseinrichtungfastening device
- 5959
- Einführplatteinject
Claims (15)
- Continuous-casting mould in a modular structure, having an oscillating drive (6) for moving mould walls in an oscillating manner, having a moulding cavity, which is formed by broad-side walls (4) and narrow-side walls (5) which are adjustable and clampable between said broadside walls (4), for configuring a steel strand, having two drive modules (1a, 1b) which are spaced apart leaving vacant a horizontal dimension of the mould space (44) and which receive at least the oscillating drive (6), and a plate module (2) which comprises the broad-side walls (4) and narrow-side walls (5) forming the moulding cavity, and the support walls (4c, 5c) of said broad-side walls (4) and narrow-side walls (5), and which by way of a supporting and fastening installation (30) is fastened onto the two drive modules (1a, 1b) in a clampable manner, characterized in that each of the two drive modules (1a, 1b) comprises an oscillating drive (6) for oscillating the moulds, a narrow-side adjustment installation (7) for adjusting the casting width and for adjusting the taper of the narrow-side walls, and a broad-side drive (8) having a spreading and clamping installation (9) for clamping the narrow-side walls (5) between the broad-side walls (4) and for changing a thickness format in a replaceable functional group, in that the plate module (2) is configured as a replaceable functional group, free of spreading installations, clamping installations, and adjustment installations, for mutually positioning the mould walls.
- Continuous-casting mould according to Claim 1, characterized in that each of the two drive modules (1a, 1b) comprises a support plate (17) and by way of this support plate (17) bears on a carrier plate (10) which is rigidly fastened in the plant framework (11) of a continuous casting plant, and is fastened to said carrier plate (10) by way of tensioning installations (18), in that manufacturing resources supply lines (15) are routed through the carrier plate (10) and the support plate (17) into the drive module (1a, 1b), in that a tight connection of the corresponding manufacturing resources supply lines (15) is formed by placing the drive module (1a, 1b) onto the carrier plate (10).
- Continuous-casting mould according to Claim 1 or 2, characterized in that the two drive modules (1a, 1b) are configured to be of identical construction and are installable and removable as a left or a right drive module (la or 1b) so as to be interchangeable with the respective other drive module (1b or 1a) by being rotated by 180° about an imaginary vertical axis.
- Continuous-casting mould according to one of the preceding claims, characterized in that each drive module (1a, 1b) for the two broad-side walls (4) which are supported thereon carries two spreading and clamping installations (9) which are actuatable in a mutually independent manner and which are activatable depending on the installed position on the left side or the right side.
- Continuous-casting mould according to Claim 4, characterized in that one of the two spreading and clamping installations (28) which are actuatable in a mutually independent manner forms a fixed-side positioning installation (28a), and the further actuatable spreading and clamping installation (28) forms a loose-side positioning installation (28b).
- Continuous-casting mould according to Claim 5, characterized in that one of the two spreading and clamping installations (28), preferably the fixed-side positioning installation (28a) is formed by a dummy cylinder.
- Continuous-casting mould according to one of the preceding claims, characterized in that the plate module (2) comprises two broad-side walls (4) of identical construction, which are composed of copper plates (4a), cassette walls (4b), and support walls (4c).
- Continuous-casting mould according to one of the preceding Claims 1 to 5, characterized in that the plate module (2) comprises two narrow-side walls (5) of identical construction, which are composed of copper plates (5a), cassette walls (5b), and support walls (5c).
- Continuous-casting mould according to one of the preceding claims, characterized in that the broad-side drive (8) comprises a housing (24) which bears on at least one tensioning arch (23) of the oscillating drive (6), in that two seats (27) which are displaceable in the effective direction of the broad-side approach are disposed in the housing (24), in that a supporting and fastening installation (30) for supporting and fastening an end of a broad-side wall (4) is disposed on each of the seats (27), in that two spreading and clamping installations (28) for mutually releasing and tensioning the broad-side walls (4) are articulated on each of the seats (27), and the spreading and clamping installations (28) are supported in the housing (24).
- Continuous-mould casting plant according to Claim 9, characterized in that the supporting and fastening installation (30) comprises a support plate (33) which is disposed in a horizontal plane or a vertical plane on the displaceable seat (27).
- Continuous-casting mould according to Claim 9 or 10, characterized in that the coolant supply line (35) for supplying coolant to the broad-side wall (4) is routed through the broad-side drive (8), wherein the coolant supply line (35) from the housing (24) is routed by way of a telescopic pipe (36) into the seat (27) and from there through the supporting and fastening installation (30) into the broad-side wall (4) and back.
- Continuous-casting plant according to one of Claims 1 to 8, characterized in that the broad-side drive (8) comprises a lifting-table frame (51) which bears on at least one tensioning arch (23) of the oscillating drive (6), in that two coupling plates (52) which are disposed in a mutually spaced apart manner and which for fastening thereof have a fastening installation (53) on an end region of a broad-side wall (4) protrude above the lifting-table frame (51), in that the two coupling plates (52) by way of two spreading and clamping installations (9) are connected so as to be movable in relation to one another, in that one of the coupling plates (52) is configured so as to be positionally fixed on the lifting-table frame or is configured so as to be fixable in terms of the position thereof, and in that the lifting-table frame (51) carries bearing plates (57) for supporting an end region of a broad-side wall (4) and assigned fastening installations (58).
- Continuous-casting plant according to Claim 12, characterized in that the coolant supply line (35) for supplying coolant to the broad-side wall (4) is routed through the bearing plates (57) of the lifting-table frame (51) directly into the broad-side wall (4) and back.
- Continuous-casting plant according to one of the preceding claims, characterized in that the narrow-side adjustment installation (7) comprises a hydraulic adjustment installation (37) and this hydraulic adjustment installation (37) is formed either by an adjustment cylinder (7) which is integrated in a lifting cylinder (47), or by a telescopic cylinder (48).
- Continuous-casting plant according to one of the preceding claims, characterized in that the oscillating drive (6) for oscillating the moulds comprises a steel-tape guide (21) and an oscillation cylinder (25), wherein at least the steel-tape guide (21) is disposed at the height level of the vertical extent of the broad-side walls (4) and the narrow-side walls (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT8342008A AT506822B1 (en) | 2008-05-26 | 2008-05-26 | CONTINUOUS COOLANT FOR A CONTINUITY PLANT |
PCT/EP2009/055583 WO2009144127A1 (en) | 2008-05-26 | 2009-05-08 | Continuous-casting mould for a continuous casting plant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2288457A1 EP2288457A1 (en) | 2011-03-02 |
EP2288457B1 true EP2288457B1 (en) | 2016-09-28 |
Family
ID=40848426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09753782.3A Not-in-force EP2288457B1 (en) | 2008-05-26 | 2009-05-08 | Continuous-casting mould for a continuous casting plant |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2288457B1 (en) |
KR (1) | KR20110017891A (en) |
CN (1) | CN102083570A (en) |
AT (1) | AT506822B1 (en) |
WO (1) | WO2009144127A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010061828A1 (en) | 2010-07-28 | 2012-02-02 | Sms Siemag Ag | continuous casting |
KR101433452B1 (en) * | 2012-07-04 | 2014-08-26 | 주식회사 포스코 | Apparatus for mould oscillation and mould equipment for continuous casting using the same |
CN102974785B (en) * | 2012-11-11 | 2015-05-20 | 宁波中超机器有限公司 | Mechanical vibration device of continuous casting machine |
KR101630702B1 (en) | 2014-09-19 | 2016-06-15 | 주식회사 포스코건설 | Apparatus for shock absorbing of oscillator for continuous casting |
KR101649677B1 (en) * | 2014-10-10 | 2016-08-19 | 주식회사 포스코건설 | Apparatus for shock absorbing of oscillator for continuous casting |
CN108705053B (en) * | 2018-05-31 | 2020-04-10 | 上海二十冶建设有限公司 | Method for replacing vibrating frame of crystallizer of continuous casting machine |
DE102018215424A1 (en) | 2018-09-11 | 2020-03-12 | Sms Group Gmbh | Adjustment device for the narrow side of a continuous casting mold, and method for adjusting a narrow side of a continuous casting mold |
CN114147087A (en) * | 2021-10-15 | 2022-03-08 | 苏州金仓合金新材料有限公司 | Continuous casting silicon-added hollow special-shaped pipe material and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005017226A1 (en) * | 2004-07-06 | 2006-02-02 | Sms Demag Ag | Device for the support and oscillation of a continuous casting mold for the casting of liquid metal, in particular of liquid steel material |
Family Cites Families (15)
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AT288616B (en) * | 1969-05-30 | 1971-03-10 | Voest Ag | Continuous casting plant for slabs |
US4660615A (en) | 1986-03-14 | 1987-04-28 | Kabushiki Kaisha Kobe Seiko Sho | Continuous casting mold assembly |
DE3838010A1 (en) * | 1988-11-09 | 1990-05-10 | Voest Alpine Ind Anlagen | METHOD AND DEVICE FOR ADJUSTING THE STRAND FORMAT IN A CHOCOLATE IN A CONTINUOUS CASTING SYSTEM FOR METALS |
WO1992002324A1 (en) * | 1990-08-09 | 1992-02-20 | Voest-Alpine International Corp. | An improved method for controlling the clamping forces exerted on a continuous casting mold |
JP3025366B2 (en) * | 1992-02-03 | 2000-03-27 | 住友重機械工業株式会社 | Mold unit of continuous casting machine, mold structure and mold unit recombination method |
DE4341719C2 (en) * | 1993-12-03 | 2001-02-01 | Mannesmann Ag | Device for the continuous casting of steel |
IT1267209B1 (en) * | 1993-12-20 | 1997-01-28 | Voest Alpine Ind Anlagen | CONTINUOUS CASTING SHELL. |
AT400416B (en) | 1993-12-20 | 1995-12-27 | Voest Alpine Ind Anlagen | CONTINUOUS PLATE CHOCOLATE |
CN1065790C (en) * | 1996-09-27 | 2001-05-16 | 曼内斯曼股份公司 | Crystallizer |
DE19716664C2 (en) * | 1997-04-22 | 1999-11-18 | Schloemann Siemag Ag | Method and device for bracing two opposite broad side walls of a continuous casting mold |
DE19753959A1 (en) * | 1997-12-05 | 1999-06-10 | Schloemann Siemag Ag | Chill with broadside and narrow side adjustment |
BR0112588B1 (en) * | 2001-12-20 | 2010-07-13 | continuous casting mold, shorter side frame to form the continuous casting mold, method for exchanging a pair of shorter side frames engaged with another pair of shorter side frames in the continuous casting mold and method for changing the thickness of a continuous casting plate using the continuous casting mold. | |
WO2005015232A1 (en) * | 2003-08-11 | 2005-02-17 | Roche Diagnostics Gmbh | Use of protein proteasmose activator subunit 3 (pse3) as a marker for colorectal cancer |
DE102005019295A1 (en) * | 2004-07-06 | 2006-02-02 | Sms Demag Ag | Device for the support and oscillation of a continuous casting mold of liquid metals, in particular of liquid steel materials, and methods of assembly and disassembly and maintenance |
CN2709056Y (en) * | 2004-07-29 | 2005-07-13 | 宝山钢铁股份有限公司 | Split type water jacket electromagnetic soft contact continuous casting crystallizer |
-
2008
- 2008-05-26 AT AT8342008A patent/AT506822B1/en not_active IP Right Cessation
-
2009
- 2009-05-08 EP EP09753782.3A patent/EP2288457B1/en not_active Not-in-force
- 2009-05-08 CN CN2009801193206A patent/CN102083570A/en active Pending
- 2009-05-08 WO PCT/EP2009/055583 patent/WO2009144127A1/en active Application Filing
- 2009-05-08 KR KR1020107029195A patent/KR20110017891A/en not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005017226A1 (en) * | 2004-07-06 | 2006-02-02 | Sms Demag Ag | Device for the support and oscillation of a continuous casting mold for the casting of liquid metal, in particular of liquid steel material |
Also Published As
Publication number | Publication date |
---|---|
EP2288457A1 (en) | 2011-03-02 |
AT506822B1 (en) | 2012-06-15 |
CN102083570A (en) | 2011-06-01 |
KR20110017891A (en) | 2011-02-22 |
AT506822A1 (en) | 2009-12-15 |
WO2009144127A1 (en) | 2009-12-03 |
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