EP1446242B1 - Procede et dispositif de realisation en continu d'un feuillard metallique lamine a partir d'un metal en fusion - Google Patents

Procede et dispositif de realisation en continu d'un feuillard metallique lamine a partir d'un metal en fusion Download PDF

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Publication number
EP1446242B1
EP1446242B1 EP02781241A EP02781241A EP1446242B1 EP 1446242 B1 EP1446242 B1 EP 1446242B1 EP 02781241 A EP02781241 A EP 02781241A EP 02781241 A EP02781241 A EP 02781241A EP 1446242 B1 EP1446242 B1 EP 1446242B1
Authority
EP
European Patent Office
Prior art keywords
strip
metal
rolling stand
diverting device
roll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02781241A
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German (de)
English (en)
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EP1446242A1 (fr
Inventor
Gerald Hohenbichler
Gerald Eckerstorfer
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.)
Primetals Technologies Austria GmbH
Original Assignee
Siemens VAI Metals Technologies GmbH and Co
Siemens VAI Metals Technologies GmbH Austria
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Publication of EP1446242A1 publication Critical patent/EP1446242A1/fr
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Publication of EP1446242B1 publication Critical patent/EP1446242B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/68—Camber or steering control for strip, sheets or plates, e.g. preventing meandering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/006—Pinch roll sets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/48—Tension control; Compression control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/12—Arrangement or installation of roller tables in relation to a roll stand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
    • B21B41/08—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters without overall change in the general direction of movement of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling

Definitions

  • the invention relates to a method for the continuous production of a rolled metal strip from a molten metal, in particular a steel strip, wherein introduced in a first manufacturing step melt in a strip casting and a cast metal strip with vorgebarer bandwidth is discharged from this and in a subsequent second manufacturing step, the cast undivided metal strip in at least one rolling mill to Endbanddicke is roll formed, wherein the positioning of the metal strip in the roll gap by a rolling mill upstream of the band steering is effected by means of a Bandlenkennraum.
  • the invention further relates to a system for carrying out this method.
  • roller pair and the roll stand a dancer rolls in a belt loop to avoid a meandering tape run when entering the mill stand positioned ( Fig. 3 ).
  • a plurality of steering or driving rollers are spaced from each other in a temperature-controlled area in front of the rolling mill and necessary to avoid disturbing tape running (Fig. 7).
  • the object of the invention is therefore to avoid these disadvantages of the prior art and to propose a method and a device, whereby for the metal strip on the input side of the roll stand or the location of the rolling deformation in dependence on the strip dimensions with low investment costs a stable strip entry into the Roll stand is guaranteed.
  • Optimum tape running occurs when the metal strip is maintained in an area upstream of the mill stand, between a strip director and the nip, under a strip tension between 2.0 MPa and 15 MPa, preferably between 4.0 MPa and 8.0 MPa , If the strip tension is too low, the strip will run, eg due to unilateral compressive stresses. This is noticeable by instabilities, such as fluttering of the tape. On the other hand, with increasing strip tension, the risk of ligament tear increases. Since the belt temperature is kept high in this area, the strength of the metal strip is correspondingly lower and thus also the permissible pressure force that can be applied to the metal strip, without causing impressions of the drive rollers in it.
  • An additional stabilization of the tape run can be achieved if the metal strip is held in a region upstream of the tape steering under a belt preference.
  • the strip tension can be kept lower than in the subsequent inlet region of the roll stand and is used primarily to calm and support the emerging from the casting machine metal strip.
  • the strip preference is generated or adjusted by the weight of the metal strip sagging in a loop pit.
  • the band preference can be generated or adjusted by a braking force acting in the opposite direction to the band running direction.
  • Further stabilization of the tape running can be achieved when, at a distance from the location of the action of the tape steering, which is 1.0 times to 10.0 times the bandwidth, preferably 1.5 times to 5.0 times the Bandwidth corresponds, before or after the location of the rolling deformation, a strip centering on the metal strip acts. This is particularly important in the operating phases when the mill stand is open, i. no rolling deformation of the metal strip takes place, especially in the start-up phase of the production process.
  • the tape centering aid serves as a fixed point for the belt center position control in order to realize a sufficient belt centering in spite of the low belt tension.
  • a system for producing a cast metal strip having a strip thickness of less than 20 mm, preferably between 1 mm and 12 mm and a hot-rolled metal strip produced in a continuous production process, a system is proposed, consisting of a strip casting device, preferably a twin-wire casting machine and at least one downstream roll stand for inline cutting. Walzumformung the cast unzerteilten metal strip, as well as a arranged between the strip caster and the rolling mill strip steering device.
  • This system is characterized in that the strip-guiding device is arranged upstream of the rolling stand at a distance of 1.0 times to 7.0 times the bandwidth, preferably at a distance of 1.5 times to 5.0 times the bandwidth.
  • the belt steering device is supported on guides and disposed between the belt guide and guides a displacement device for the belt steering device.
  • the guides are aligned here parallel to the direction of tape travel.
  • this band steering device is formed by a multi-roller driver, preferably by a two-roller driver.
  • the tape steering device is assigned a tape position measuring device and in the band steering metal band transport means are arranged, preferably the drive rollers of a multi-roller driver, wherein at least one of the metal belt transport means rotatably supported in a pivotable about an axis support means are and these interact with control or regulating devices for influencing the strip running direction.
  • the pivotable axis is preferably aligned vertically as a vertical axis or parallel to the direction of tape travel.
  • the band steering device itself forms the pivotable support means and this is supported displaceably on guides and connected to an adjustment, which is preferably a coupling mechanism.
  • an adjustment which is preferably a coupling mechanism.
  • Other mechanical, electro-mechanical, hydraulic or electro-hydraulic drives are also possible.
  • the guides may be formed by four-bar linkages or other kinematic gears, rails, rails, rollers, etc.
  • a device for producing a tape feed in the metal strip is arranged between the strip casting device and the strip deflection device.
  • This device can for example be formed by a loop pit, wherein essentially determines the length of the sagging loop the strip tension.
  • the sagging belt loop acts as an attenuator between the two-roll caster and the mill stand, eliminating bothersome feedback between the following Procedural steps are avoided.
  • the device for producing a strip of preference is formed by a preferably horizontal and frictional belt support device, in particular a roller table with brake rollers. Between the brake rollers or in their place simple, unmoved, frictional mechanical support elements may be provided.
  • the length of the band support means determines the strip tension, wherein the effective length of the band support means is at least 1.5 times the bandwidth, preferably at least 2.5 times the bandwidth.
  • the effective length is the length of the roller table equipped with brake rollers.
  • a strip centering aid preferably a non-steerable two or three roll driver, be arranged downstream of the roll stand or between the strip guide and the rolling stand.
  • the tape director and tape centering aid are 1.0 to 10.0 times the bandwidth, preferably 1.5 to 5.0 times the tape width apart. It follows that the mill stand and the strip guide are positioned very close to each other when the strip centering aid is downstream of the stand and that the stand and strip guide are farther apart when the strip center assist is upstream of the stand.
  • the controlled belt deflection is at a distance which corresponds to 1.0 times to 10.0 times the bandwidth, preferably 1.5 times to 5.0 times the bandwidth of the cast metal strip, upstream of the rolling stand on the switched on under strip tension metal band switched on.
  • the controlled strip tension between the strip deflecting device and the tape coiler or a tape centering aid is maintained at a value between 2.0 MPa and 15 MPa, preferably between 4.0 MPa and 8.0 MPa.
  • This strip tension is already applied before the work roll adjustment, i. before the start of the rolling process, applied to the cast metal strip and maintained during the rolling process.
  • a system according to the invention for continuously producing a rolled metal strip 1 from a molten metal 2 wherein in a first production step from the molten metal, a cast metal strip 3 is produced and in a second directly subsequent production step, the cast metal strip 3 is subjected to a hot deformation in a rolling process.
  • the thus produced rolled metal strip 1 is then, optionally with the interposition of a controlled cooling process, which is not described here, wound into bundles 4 predetermined weight.
  • a strip casting device 5 is used whose strand-forming core unit is formed by a single horizontally running band on the underside or several circumferential bands, beads or mold walls.
  • a two-roll casting machine 6 is shown schematically, two of which are horizontal Axes 7, 7 'rotating casting rolls 8. 8' is formed and together with end face pressed against the casting rollers side walls 9 forms a mold cavity 10 for receiving the molten metal 2, which is supplied via an intermediate vessel 11. Between the casting rolls 8, 8 ', the cast metal strip 3 is formed in a casting gap 12 in a rapid solidification process and conveyed downwards.
  • the cast metal strip 3 is then deflected into the horizontal and passes through a formed by a loop pit 16 means 15 for the production of a ribbon preference.
  • a loop pit 16 means 15 for the production of a ribbon preference.
  • belt loop 17 and temporary, production-related speed differences in the strip between the strip casting 5 and the rolling stand 18 are compensated. Due to the length of the sagging belt loop 17, a slight advantage is exerted on the cast metal strip 3 and a stabilized, uniform strip running to the downstream strip guiding device 19 is ensured.
  • Fig. 2 in Fig. 2 is shown schematically, the means 15 for the production of a strip of tape and thus the preference to the metal strip by a horizontally oriented belt support 20 is exercised, which brakes the cast over it over metal strip 3.
  • This braking effect is generated by mounted in the roller table 21 of the belt support means 20 brake rollers 22, for which purpose a roller length L sufficient, which corresponds to 1.5 times to 2.5 times the bandwidth of the cast metal strip 3.
  • the belt steering device 19 is equipped with adjustable metal belt transport means 26 formed by drive rollers 24, 25.
  • the strip-deflecting device 19 is designed as a two-roller driver 27 and arranged in front of the rolling stand 18 in a distance A co-determined by the width of the cast metal strip 3. This distance A is in a range that is 1.0 times to 10.0 times the bandwidth.
  • the scaffolding frame 28 of the band steering device 19 is supported on guides 29, which can be designed as sliding guides or roller guides, and is in the predetermined by a displacement device 30 which is designed as a pressure medium cylinder and on the one hand on the scaffolding frame 28 and on the other hand on the guides 29 Bandwidth-dependent position (distance A) brought.
  • a braking force is exerted on the metal strip passing through the work rolls 32, 32 'of the rolling stand 18, which corresponds to a strip tension between 2.0 MPa and 15.0 MPa.
  • the Bandlenkfunktion can be met with various Ausfatuhgsformen the band steering device 19 in conjunction with a Bandlagenmittenregelung.
  • the adjustable drive pulley 24 is rotatably supported in a pivotable carrying device 33 and coupled to a corresponding setting and control device 34 and to a belt position measuring device 35 for its positioning.
  • the tape layer measuring device 35 is disposed near the Bandienk worn 19 downstream of her. Positioning of the tape layer measuring device upstream of the belt line direction is also possible. The deviation of the metal strip from the predetermined strip center is detected with this band-layer measuring direction and a corresponding signal is transmitted to the setting and control device 34.
  • the pivotal movement of the support means 33 by which an inclination of the axis 36 of a drive roller 24 in relation to the axis 37 of the further drive roller 25 (rotational adjustment in the arrow direction) or both propelled in a common support drive rollers (24, 25) in relation to the instantaneous tape travel direction by a maximum a few angular degrees is achieved, allows alignment of the cast metal strip 3 to the predetermined strip running direction R and thus ensures a central passage of the metal strip through the downstream roll stand 18th
  • Fig. 2 an embodiment is schematically indicated, in which on the pivotable support means 33 of the drive roller 24 controllable contact forces are applied in the arrow direction, preferably in the region of the opposite bearing points of the drive roller in the pivotal support means 33.
  • the transversely to the strip running direction R in the cast metal strip 3 inflowing transverse forces shift the tape running direction in the direction of these lateral forces.
  • Fig. 3 shows a schematic representation of a preferred embodiment of the Bandienkelnraum 19.
  • the drive rollers 24, 25 receiving scaffolding frame 28 is pivotally supported about curved, in particular arcuate guides 49 about a vertical axis 50 and by a pivoting device 51, for example, of hydraulic or electromechanical actuators, in particular is also formed with a coupling gear, adjustable in its orientation to the strip running direction R.
  • the vertical axis 50 represents the instantaneous pole of the pivoting movement.
  • the transverse forces or differential belt pulls acting on the metal strip thereby displace the strip running direction in the direction of these transverse forces.
  • the tape steering device 19 is a tape position measuring device 35, e.g. an optical, capacitive or inductive measuring system assigned, which determines the actual position of the band edges or the band center of the metal band. The determined measurement results are fed to a control device from which control signals are delivered to the respective actuators of the strip deflection device.
  • a tape position measuring device 35 e.g. an optical, capacitive or inductive measuring system assigned
  • a belt running centering aid 46 is positioned downstream of the belt steering device 19 either in front of or behind the rolling stand 18. It forms a fixed point for the band guide and has an additional stabilizing effect on the strip running when the rolling stand 18 is closed.
  • the tape-running centering aid 46 is shown schematically as a three roller driver and shown on the outlet side of the roll stand 18, in Fig. 2 the strip-running centering aid 46 is shown as a two-roller driver on the inlet side of the roll stand 18.
  • the cast metal strip 3 is rolled with a reduction of up to 50% in an in-line rolling to a hot-rolled metal strip 1 with a predetermined Endbanddicke. Higher reduction rates and thus lower final strip thicknesses can be achieved when using multi-stand rolling mills.
  • the roll stand 18 may be preceded by a temperature compensation zone 39, which is formed by a tunnel-shaped temperature compensation furnace or a strip edge heater. After leaving the roll stand 18, the metal strip 1 is cooled controlled in a cooling section 40, divided according to the desired coil weight with a dividing shear 41 and wound in a band coiler 42 to bundles 4.
  • the roll gap 44 of the rolling stand 18 is open.
  • the Anfahrstrang is separated with the dividing shear of cast metal strip and fed the metal strip of the coiler and wound.
  • the work rolls 32, 32 'of the roll stand are moved together according to the desired roll gap 44 and the reel speed is adapted to the degree of deformation set in the roll stand.
  • the stationary operating condition of the system is reached.
  • the construction of the tape train and the Bandhaspelstrom 42 or its upstream inlet driver 48 are used. Any driver assembly positioned between the tape director 19 and the tape coiler can perform this function.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

La présente invention concerne un procédé et un dispositif de réalisation en continu d'un feuillard métallique laminé à partir d'un métal en fusion, un feuillard métallique coulé étant produit dans un système de coulée de feuillard (5), et le feuillard non-subdivisé étant ensuite laminé dans une cage de laminoir (18) pour avoir une épaisseur finale. Afin de régler la trajectoire du feuillard, des systèmes de guidage de feuillard (19) sont mis en place notamment en amont de la cage de laminoir. Afin de garantir, avec l'utilisation d'un minimum de matériel, une insertion stable du feuillard dans la cage de laminoir, à l'endroit où le feuillard métallique pénètre dans la cage de laminoir, ou à l'emplacement du laminage en fonction des dimensions du feuillard, le guidage de feuillard agit ou est réalisé à une distance de 1,0 à 10,0 fois la largeur du feuillard, de préférence à une distance de 1,5 à 5,0 fois la largeur du feuillard, à l'avant de la cage de laminoir.

Claims (18)

  1. Procédé de fabrication en continu d'un feuillard métallique laminé (1) à partir d'un métal en fusion (2), en particulier d'un feuillard d'acier, dans lequel, au cours d'une première étape de fabrication, on introduit du métal en fusion dans un dispositif de coulée de feuillard (5) et on extrait de celui-ci un feuillard métallique coulé (3) avec une largeur de feuillard prédéterminée et, au cours d'une deuxième étape ultérieure de fabrication, on déforme par laminage le feuillard métallique coulé non divisé dans au moins une cage de laminoir (18) jusqu'à l'épaisseur finale du feuillard, dans lequel on positionne le feuillard métallique dans l'emprise de laminage (44) par une déviation du feuillard placée avant la cage de laminoir, caractérisé en ce que l'on opère ou l'on effectue la déviation du feuillard à une distance de 1,0 fois à 10,0 fois la largeur du feuillard, de préférence de 1,5 fois à 5,0 fois la largeur du feuillard, avant cette cage de laminoir, dans lequel le feuillard métallique coulé présente une épaisseur de feuillard inférieure à 20 mm, de préférence comprise entre 1 mm et 12 mm, et on règle la distance entre le dispositif (19) de déviation du feuillard et la cage de laminoir (18) au moyen de guides, sur lesquels le dispositif (19) de déviation du feuillard est supporté, et au moyen d'un dispositif de déplacement (30).
  2. Procédé selon la revendication 1, caractérisé en ce que l'on maintient le feuillard métallique (3) dans une région située en amont de la cage de laminoir (18), entre le dispositif (19) de déviation du feuillard et l'emprise de laminage (44), sous une traction du feuillard comprise entre 2,0 MPa et 15 MPa, de préférence entre 4,0 MPa et 8,0 MPa.
  3. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on détecte, de préférence à proximité de l'endroit où la déviation du feuillard est effectuée sur le feuillard métallique, l'écart réel du feuillard métallique par rapport à la direction de défilement prédéterminée du feuillard et on régule en fonction de celui-ci la position d'organes de réglage du dispositif (19) de déviation du feuillard.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on maintient le feuillard métallique (3) sous une précontrainte de traction du feuillard dans une région située en amont du dispositif (19) de déviation du feuillard.
  5. Procédé selon la revendication 4, caractérisé en ce que l'on produit ou l'on règle la précontrainte de traction du feuillard au moyen du poids propre du feuillard métallique (3) suspendu dans une fosse à boucle (16).
  6. Procédé selon la revendication 4, caractérisé en ce que l'on produit ou l'on règle la précontrainte de traction du feuillard au moyen d'une force de freinage agissant en sens contraire de la direction de défilement du feuillard (R).
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un accessoire de centrage de défilement du feuillard (46) agit avant ou après l'endroit de la déformation par laminage, en particulier lorsque la cage de laminoir (18) est ouverte, à une distance (B) de l'endroit où agit la déviation du feuillard, qui correspond à 1,0 fois à 10 fois la largeur du feuillard, de préférence à 1,5 fois à 5,0 fois la largeur du feuillard.
  8. Dispositif de fabrication en continu d'un feuillard métallique laminé (1), en particulier d'un feuillard d'acier, se composant d'un dispositif de coulée de feuillard (5), de préférence d'une machine de coulée à deux cylindres (6), pour la production d'un feuillard métallique coulé (3) ayant une épaisseur de feuillard inférieure à 20 mm, de préférence comprise entre 1 mm et 12 mm, et d'au moins une cage de laminoir (18) qui suit, pour la déformation par laminage en ligne du feuillard métallique coulé non divisé, ainsi que d'un dispositif (19) de déviation du feuillard disposé entre le dispositif de coulée de feuillard (5) et la cage de laminoir (18), caractérisé en ce que le dispositif (19) de déviation du feuillard est disposé avant la cage de laminoir (18) à la distance (A) de 1,0 fois à 10,0 fois la largeur du feuillard, de préférence à la distance de 1,5 fois à 5,0 fois la largeur du feuillard, le dispositif (19) de déviation du feuillard est supporté sur des guides (29) et un dispositif de déplacement (30) pour le dispositif (19) de déviation du feuillard est disposé entre le dispositif (19) de déviation du feuillard et les guides (29) pour le réglage de la distance par rapport à la cage de laminoir (18).
  9. Dispositif selon la revendication 8, caractérisé en ce que le dispositif (19) de déviation du feuillard est formé par un entraîneur à rouleaux multiples, de préférence par un entraîneur à deux rouleaux (27).
  10. Dispositif selon la revendication 8 ou 9, caractérisé en ce que des moyens de transport du feuillard métallique (26) sont disposés dans le dispositif (19) de déviation du feuillard, de préférence les rouleaux entraîneurs (24, 25) d'un entraîneur à rouleaux multiples, qui coopèrent avec des dispositifs de réglage et de régulation (34) et au moyen desquels on peut prédéterminer le réglage d'une traction du feuillard entre 2,0 MPa et 15 MPa, de préférence entre 4,0 MPa et 8,0 MPa, entre le dispositif (19) de déviation du feuillard et la cage de laminoir (18) ou l'accessoire de centrage de défilement du feuillard (46) ou un autre groupe de la ligne de défilement du feuillard.
  11. Dispositif selon l'une quelconque des revendications 8 à 10, caractérisé en ce qu'un dispositif (35) de mesure de la position du feuillard est associé au dispositif (19) de déviation du feuillard et en ce que des moyens de transport du feuillard métallique (26) sont disposés dans le dispositif (19) de déviation du feuillard, de préférence les rouleaux entraîneurs (24, 25) d'un entraîneur à rouleaux multiples, dans lequel au moins un des moyens de transport du feuillard métallique (26) est supporté en rotation dans un dispositif de support pivotant (33) et ceux-ci coopèrent avec des dispositifs de commande ou de régulation (34) pour influencer la direction de défilement du feuillard (R).
  12. Dispositif selon la revendication 11, caractérisé en ce que le dispositif (19) de déviation du feuillard forme le dispositif de support pivotant (33) et celui-ci est supporté de manière déplaçable sur des guides (49) de préférence courbes et est relié à un entraînement de déplacement (51), de préférence un mécanisme à manivelle.
  13. Dispositif selon l'une quelconque des revendications 8 à 12, caractérisé en ce qu'un dispositif (15) pour produire une précontrainte de traction dans le feuillard métallique (3) est disposé entre le dispositif de coulée de feuillard (5) et le dispositif (19) de déviation du feuillard.
  14. Dispositif selon la revendication 13, caractérisé en ce que le dispositif (15) pour produire une précontrainte de traction dans le feuillard est formé par une fosse à boucle (16).
  15. Dispositif selon la revendication 13, caractérisé en ce que le dispositif (15) pour produire une précontrainte de traction dans le feuillard est formé par un dispositif (20) de support du feuillard, de préférence horizontal et doté d'un moyen de friction, en particulier une table à rouleaux (21) avec des rouleaux de freinage (22).
  16. Dispositif selon la revendication 15, caractérisé en ce que la longueur active (L) du dispositif de support du feuillard (20) vaut au moins 1,5 fois la largeur du feuillard, de préférence au moins 2,5 fois la largeur du feuillard.
  17. Dispositif selon l'une quelconque des revendications 8 à 16, caractérisé en ce qu'un accessoire de centrage de défilement du feuillard (46), de préférence un entraîneur non orientable à deux ou à trois rouleaux, est disposé en aval de la cage de laminoir (18) ou entre le dispositif (19) de déviation du feuillard et la cage de laminoir (18).
  18. Dispositif selon la revendication 17, caractérisé en ce que le dispositif (19) de déviation du feuillard et l'accessoire de centrage de défilement du feuillard (46) sont disposés à une distance (B) l'un de l'autre de 1,0 à 10,0 fois la largeur du feuillard, de préférence à une distance de 1,5 fois à 5,0 fois la largeur du feuillard.
EP02781241A 2001-10-24 2002-10-11 Procede et dispositif de realisation en continu d'un feuillard metallique lamine a partir d'un metal en fusion Expired - Lifetime EP1446242B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT16892001 2001-10-24
AT0168901A AT410767B (de) 2001-10-24 2001-10-24 Verfahren und vorrichtung zur kontinuierlichen herstellung eines gewalzten metallbandes aus einermetallschmelze
PCT/EP2002/011406 WO2003035291A1 (fr) 2001-10-24 2002-10-11 Procede et dispositif de realisation en continu d'un feuillard metallique lamine a partir d'un metal en fusion

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EP1446242A1 EP1446242A1 (fr) 2004-08-18
EP1446242B1 true EP1446242B1 (fr) 2009-12-02

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US (2) US6973956B2 (fr)
EP (1) EP1446242B1 (fr)
JP (1) JP2005506202A (fr)
KR (1) KR100879847B1 (fr)
CN (1) CN1272118C (fr)
AT (2) AT410767B (fr)
AU (1) AU2002349346B2 (fr)
BR (1) BR0213544B1 (fr)
CA (1) CA2463962C (fr)
DE (1) DE50214057D1 (fr)
ES (1) ES2336434T3 (fr)
MX (1) MXPA04003757A (fr)
RU (1) RU2293618C2 (fr)
TW (1) TWI226267B (fr)
UA (1) UA80956C2 (fr)
WO (1) WO2003035291A1 (fr)
ZA (1) ZA200402699B (fr)

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AT501314B1 (de) 2004-10-13 2012-03-15 Voest Alpine Ind Anlagen Verfahren und vorrichtung zum kontinuierlichen herstellen eines dünnen metallbandes
US7163047B2 (en) * 2005-03-21 2007-01-16 Nucor Corporation Pinch roll apparatus and method for operating the same
DE102006001195A1 (de) * 2006-01-10 2007-07-12 Sms Demag Ag Verfahren zum Gieß-Walzen mit erhöhter Gießgeschwindigkeit und daran anschließendem Warmwalzen von relativ dünnen Metall-,insbesondere Stahlwerkstoff-Strängen,und Gieß-Walz-Einrichtung
DE102006035008A1 (de) * 2006-07-28 2008-01-31 Siemens Ag Betriebsverfahren für einen Schlingenspeicher mit Zugausgleich
CN100450653C (zh) * 2006-11-28 2009-01-14 中冶南方工程技术有限公司 防止0.4mm以下的薄板高速轧制工况下带钢颤动的方法
US8141618B2 (en) * 2008-06-24 2012-03-27 Nucor Corporation Strip casting method for controlling edge quality and apparatus therefor
PL2340133T3 (pl) 2008-10-30 2013-10-31 Siemens Ag Sposób nastawiania obciążenia napędów dla pewnej liczby napędów walcowni do walcowania materiału walcowanego, zespół sterowania i/lub regulacji, nośnik pamięci, kod programowy i instalacja walcownicza
US20100215981A1 (en) * 2009-02-20 2010-08-26 Nucor Corporation Hot rolled thin cast strip product and method for making the same
CN102320000B (zh) * 2011-07-08 2013-01-30 邢台纳科诺尔极片轧制设备有限公司 一种电池极片碾压分切系统
CN103376768B (zh) * 2012-04-28 2016-10-05 宝山钢铁股份有限公司 一种大侧压机多设备协调控制方法
CN108941216A (zh) * 2018-08-20 2018-12-07 首钢京唐钢铁联合有限责任公司 一种侧导板动态对中方法、装置及系统
CN109093203A (zh) * 2018-09-25 2018-12-28 大连翼方科技有限公司 一种板材制造机及方法
CN109622614A (zh) * 2019-01-02 2019-04-16 重庆美丽彩实业(集团)有限公司 一种新型冷轧装置
EP3974074B1 (fr) * 2019-07-11 2023-12-27 Primetals Technologies Japan, Ltd. Dispositif de commande destiné à un dispositif de laminage, équipement de laminage et procédé de fonctionnement d'un dispositif de laminage
CN110586662B (zh) * 2019-09-03 2024-02-06 石横特钢集团有限公司 一种棒材全流程控轧控冷生产线
CN112828043B (zh) * 2020-12-24 2023-05-23 舞阳钢铁有限责任公司 大厚度超宽低Si合金钢板的生产方法

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EP0903187A2 (fr) * 1997-09-19 1999-03-24 Ishikawajima-Harima Heavy Industries Co., Ltd. Commande de bande

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EP0903187A2 (fr) * 1997-09-19 1999-03-24 Ishikawajima-Harima Heavy Industries Co., Ltd. Commande de bande

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WO2003035291A1 (fr) 2003-05-01
EP1446242A1 (fr) 2004-08-18
US6973956B2 (en) 2005-12-13
AU2002349346B2 (en) 2007-10-11
ATE450323T1 (de) 2009-12-15
CN1272118C (zh) 2006-08-30
ATA16892001A (de) 2002-12-15
KR100879847B1 (ko) 2009-01-22
US20060010679A1 (en) 2006-01-19
RU2004115622A (ru) 2005-06-10
BR0213544A (pt) 2004-10-26
ZA200402699B (en) 2005-04-06
RU2293618C2 (ru) 2007-02-20
TWI226267B (en) 2005-01-11
DE50214057D1 (de) 2010-01-14
CA2463962A1 (fr) 2003-05-01
CN1575212A (zh) 2005-02-02
US20050082030A1 (en) 2005-04-21
AT410767B (de) 2003-07-25
KR20040045909A (ko) 2004-06-02
JP2005506202A (ja) 2005-03-03
BR0213544B1 (pt) 2010-11-30
MXPA04003757A (es) 2004-07-23
CA2463962C (fr) 2010-12-07
ES2336434T3 (es) 2010-04-13
UA80956C2 (en) 2007-11-26

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