EP0850704B1 - Procédé pour laminer une bande - Google Patents

Procédé pour laminer une bande Download PDF

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Publication number
EP0850704B1
EP0850704B1 EP97122110A EP97122110A EP0850704B1 EP 0850704 B1 EP0850704 B1 EP 0850704B1 EP 97122110 A EP97122110 A EP 97122110A EP 97122110 A EP97122110 A EP 97122110A EP 0850704 B1 EP0850704 B1 EP 0850704B1
Authority
EP
European Patent Office
Prior art keywords
strip
planarity
shape
target
rolling
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
EP97122110A
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German (de)
English (en)
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EP0850704A1 (fr
Inventor
Jürgen Seidel
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.)
SMS Siemag AG
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SMS Demag AG
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Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP0850704A1 publication Critical patent/EP0850704A1/fr
Application granted granted Critical
Publication of EP0850704B1 publication Critical patent/EP0850704B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • 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
    • B21B1/22—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 plates, strips, bands or sheets of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B13/023—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/12—Axial shifting the rolls
    • B21B2269/14—Work rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B28/00—Maintaining rolls or rolling equipment in effective condition
    • B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
    • B21B28/04—Maintaining rolls in effective condition, e.g. reconditioning while in use, e.g. polishing or grinding while the rolls are in their stands
    • 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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
    • 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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/42—Control of flatness or profile during rolling of strip, sheets or plates using a combination of roll bending and axial shifting of the rolls
    • 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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/44—Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
    • 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
    • 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
    • B21B45/02—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 for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates

Definitions

  • the invention relates to a method and an apparatus for Rolling a rolled strip in at least two roll stands belt conveyor with horizontally adjustable upper and lower work rolls that work alone (Duo scaffolding) or each of which can be directly or above supports an intermediate roller on a backup roller, or with a reversing stand on which at least two passes are rolled in which the roll of a state change is subjected to profile and flatness Actuate actuators on the rolled strip.
  • the strip profile shape as a whole and, accordingly, the specified strip flatness also change for strip areas in the middle and in particular for areas of the strip near the edge.
  • the increasing drop in the thermal crowning of the rolls or the wear of the work rolls near the edge lead to undesirable profile anomalies. These are thickened areas in the edge area (beads), or on the contrary, the thickness in the edge area drops.
  • the roll length in one width is defined as the sum of all strip lengths that are rolled in a width or approximately the same width.
  • EP 0 276 743 B1 it is known to control crowning and / or the edge drop of the belt the horizontal displacement of the work rolls as well as the bending forces acting on them on the upstream side Group of rolling stands of a tandem mill according to the rolling conditions including the width of the belts.
  • the work rolls are located in a group of roll stands located on the downstream side pushed back and forth at predetermined intervals.
  • the back frames after each band in opposite directions by a certain amount postponed; if the shift amount has reached a maximum value, the Reverse shift direction. This cyclical shifting causes wear equalized the work rolls to a larger area.
  • a method in which the control of the shapes and conditions of the work roll surfaces during the rolling process with an actuator is made.
  • the output signal is a plurality analyzed by index values to set them as approximate sizes by which based on an approximate evaluation (means for fuzzy reasoning) by reasoning set a control output value for the actuator becomes.
  • the work rolls can then either be controlled from the outside or heated or cooled on the inside and / or at least one of the intermediate rolls and / or the outer roller (s) moved, bent or changed in the apex.
  • EP 0 618 020 A1 discloses a method for rolling a rolled strip in a generic roll stand with horizontally adjustable upper and lower Work rolls, with profilund Actuate flatness actuators on the rolled strip.
  • the well-known rolling process allows it, despite being more flexible Rolling programs meet the requirements for profile accuracy and the flatness of the rolled strip to correspond approximately, if one Target contour of the profile of the rolled strip is specified successively reaching two groups of actuators act on the rolled strip, from which actuators the first Group above the critical thickness Rolling strip thicknesses are used and primarily the Contour of the rolled strip in its central area influence while actuators in a second group Rolling strip thicknesses below the critical thickness in Band edge area can be used.
  • the invention has for its object a method and to specify a device with which despite flexible Rolling programs meet the increased demands on the Hot strip flatness as well as the cold strip flatness and in Interact with it so that profile accuracy can be fulfilled, and with the help of the measures to be proposed Process through an optimal presetting an improvement the flatness also within the street as well as an improved Strip flatness is generated even under extreme conditions should be dependent on the intended use and the processes for cooling the hot strip on the Outfeed roller table and in the coil.
  • the method is also used in a Cold mill or a cold stand. Also be here Band contour changes in the immediate band edge area carried out and an "edge-drop" -free contour aimed at, with the unevenness as well as belt tension especially within the band edge.
  • actuators are included primarily parabolic or higher order effects activated in the area of the edges.
  • the method according to the invention provides that a target and flatness form of the strip is specified as a function of the intended use and of the processes during the cooling of the hot strip on the outfeed roller table and in the coil. It is not sufficient here to just have a target flatness or target unevenness value based on the z. B. C 40 point to specify, but it is necessary to strive for a lengthening / shortening of the width or a flatness of higher order.
  • a profile of Target stress distributions or target extensions over the Width specified and with the factually reached or calculated stress distributions or extensions be compared.
  • the resulting differences will be then calculated and the actuators used in the manner that these differences are minimized as much as possible.
  • FIG. 13 shows the flowchart.
  • Hot strip unevenness becomes the work roll bending, PC stand angle, CVC shift or others Actuators changed over the length of the belt.
  • the procedure further provides that if there is insufficient Minimize the differences in the input conditions of the responsible scaffolding changed and the result is optimized.
  • physically effective actuators can also be used. These can be preset on the head, as well as over the tape length can be adjusted variably. They are for example strip edge cooling, strip edge heating, Rolling force distribution or band edge lubrication.
  • the description of the target values as well as the values actually achieved is carried out by dividing the bandwidth into a body area and an edge area.
  • actuators that the elastic Influence the behavior of the roller set, whereby this Actuators axial displacement means for the CVC work rolls or bending devices for these or both means at the same time include.
  • the invention provides that for Avoidance of corner waves on the warm band and in the Cold condition of the strip, a redistribution of the rolling force in the Is made that the rolling force at least in last stand reduced and the rolling force upstream located scaffolding is increased.
  • a device for performing the method according to the Invention is characterized by at least two or several of the actuators listed in the device claim in the area of the rolling mill.
  • Work roll bending devices include.
  • you can the work rolls can be designed to be interlocking. to These can be thermally influenced by the work rolls for example equipped with a thermal cover be, or optionally with zone cooling.
  • the Work rolls can continue with special roll grinding or be equipped with an online grinder.
  • thermal correction of the band edge areas furthermore provided that the device before, within or after the finishing train, e.g. B. in the area of Roller conveyor, a band edge heating, or even before, within or after the finishing train Has band edge cooling device.
  • a belt edge lubrication device within the finishing train be provided.
  • Figure 1 is the achievement of predetermined target non-flatness across the width of a rolled strip (3, 4) enabling rolling mill (6) - partly schematic and with only symbolic markings for the mechanical Actuators - including the elements that support them and in the form of "black boxes" for computers and measuring devices shown.
  • the plant consists of several rolling stands, one of which only the first and the last roll stand (7) or (8) are shown. However, it can also involve a rolling mill act on a reversing stand with which several passes are rolled become.
  • Each roll stand (7, 8) has horizontally adjustable, upper and lower work rolls supported by backup rolls (9) (10, 11). The latter are axially displaceable, preferably with a CVC shift (12) and with Work roll bending devices (13) equipped; the Work rolls (10, 11), provided with ground or thermal wear contour, by means of CVC shift (12) and work roll bending (13) as mechanical Actuators either in the middle of the band or in Band edge area used.
  • a band edge heater (14) is arranged.
  • a work roll zone cooling (16) e.g. B. in the form of corresponding zones on the work rolls (10, 11) directional spray nozzles, such as. B. behind the first Roll stand (7) shown.
  • Both the measuring devices (19 - 21) and (25, 26), as well Signaling devices of the mechanical actuators (12, 13) as well as the thermal and other influencing elements (14 - 18) are connected to a strip contour and flatness calculator (22) connected.
  • the measured data determined, in particular for Profile and flatness or flatness of the tape (3, 4) can therefore immediately to correct the upstream Control systems or actuators are used with the Aim, the actual flatness shape of the rolled strip to compare with the values of the given target unevenness, to calculate a difference from it and the available standing mechanically or physically effective actuators in such a way that the differences are as possible be largely minimized, as is the teaching of the invention prescribes.
  • a pass schedule calculator (23) supplies the belt contour and Flatness calculator (22) with input data.
  • a data return (24) is for the purpose of the desired rolling force redistribution set up.
  • FIGS. 2.1 to 2.5 The procedure for determining the belt contour or belt extension (delta L / L) i (B) and thus the belt tension distribution ⁇ i (B) over the width (B) is shown in FIGS. 2.1 to 2.5.
  • the process steps with which a predetermined target flatness or target band extension is generated across the width are shown in the flowchart in FIG. 12.
  • the solid curve represents the incoming band contour y a (B) and the dash-dotted curve shows the outgoing band contour y from (B).
  • Fig. 2.2 shows the difference between the incoming and outgoing band contour
  • Fig. 2.3 the band extension (B) with indication of the band edge area (a), the remaining curve indicating the so-called "band body area”; K is the running index over the bandwidth.
  • the dashed curves show the shape of the positive and negative flatness limits across the bandwidth.
  • 2.4 shows the division of the band extension and its limits into a parabolic component and in FIG. 2.5 into a component of a
  • Figure 3.1 shows a diagram of a rolling program according to the Width of the rolled strip. This includes one Width difference when rolling a total of approx. 185 coils between 1000 and 2000 mm in correspondingly graded Broad jumps.
  • Figure 3.2 shows in addition to this within the same rolling program Rolled stock between 1,600 and 3,600 micrometers with the same Coil façade. When rolling wide strips, for example after the Rolling program according to Fig. 3.1, 3.2 can with a short Sequence of beads. These are created with the help of Anti-bead rollers according to Figure 4 successfully pushed away.
  • FIG. 9 Another actuator for the application of contour control is shown in Figure 9. It is in the form of a Tapered roller recognizable, with the abscissa the axial length, and the ordinate shows the diameter difference.
  • the desired band contour is not so flat because the flatness shape created according to Fig. 10.4 was kept within the permissible limits.
  • at Optimization of the sliding position for the purpose of Higher order flatness improvement is e.g. B. the bend used to ensure body flatness.
  • the rolling force level is often not from stand to stand falling, but remains constant or even increases according to FIG. 11.1 something at F6. This leads especially to thin ones Tapes to long tape edges, as shown in Figure 11.3.
  • the target flatness shape (Delta L / L) target as well as the flatness limits ((Delta L / L) lim are also shown in Figure 11. If this process takes place in a hot mill, where the strip edges are naturally somewhat colder, the situation worsens During the cooling process of the hot strip in the coil, a redistribution of the rolling force, for example by reducing the rolling force at F6 and increasing at F4 / F5 according to FIGS. 11.4 to 11.6, improves the situation.
  • a related change in body unplannedness can be caused by the actuators work roll bending or CVC rolls be balanced.
  • the target strip extensions for the hot strip can be coiled determine across the width in order to then close the cold strip flatness improve. The procedure for this is in the flow chart shown in FIG. 13.

Claims (18)

  1. Procédé pour le laminage à chaud d'un feuillard (3, 4) dans un laminoir (6) comportant au moins deux cages de laminage (7, 8) avec des cylindres supérieur et inférieur réglables horizontalement (10, 11) qui agissent seuls ou qui s'appuient chacun directement ou par un cylindre intermédiaire sur un cylindre d'appui (9), ou dans une cage réversible sur laquelle sont laminées au moins deux passes, cage dans laquelle le feuillard laminé (3, 4) est soumis à une modification d'état, caractérisé en ce que pour obtenir un réglage préalable optimal dans une zone de feuillard, d'une part, une forme de non-planéité ciblée déterminée en fonction du but de l'application ainsi que des opérations lors du refroidissement du feuillard laminé à chaud (3, 4) sur le train à rouleaux d'évacuation et dans la bobine est prédéterminée sur la zone du corps et du bord et, d'autre part, une forme de non-planéité atteinte facticement est déterminée et est comparée avec la forme de non-planéité prédéterminée et en ce qu'une différence est calculée à partir de cette comparaison et les organes de réglage (12, 13, 14, 15, 16, 17, 18) disponibles et actifs mécaniquement et physiquement sont utilisés de manière que la différence soit minimisée le plus possible, la forme de non-planéité recherchée du feuillard laminé chaud amenant après le refroidissement du feuillard (3, 4) à la planéité recherchée du feuillard laminé froid.
  2. Procédé selon la revendication 1, caractérisé en ce qu'en plus de la détermination d'une forme ciblée de non-planéité, un profil des répartitions ciblées de tension ou des allongements ciblés du feuillard (3, 4) est prédéterminé sur la largeur et est comparé avec les répartitions de tension respectivement les allongements obtenus facticement, en ce que les différences en résultant sont calculées et les organes de réglage (12, 13, 14, 15, 16, 17, 18) sont utilisés de manière à minimiser les différences.
  3. Procédé selon la revendication 1, caractérisé en ce que pour la fabrication d'un feuillard plan (3, 4) à l'état froid des formes de non-planéité différentes sont prédéterminées sur la longueur du feuillard chaud (3, 4).
  4. Procédé selon une ou plusieurs des revendications 1 à 3, caractérisé en ce qu'en cas de minimisation insuffisante de la différence, les conditions initiales c'est-à-dire les propriétés du feuillard entrant (3, 4) telles que le contour de feuillard, la forme de planéité respectivement la répartition de température de feuillard de la cage respective sont modifiées et le résultat est optimisé.
  5. Procédé selon la revendication 1, caractérisé en ce que pour la production de formes de non-planéité différentes de feuillard, au moins la courbure du cylindre de travail (13), l'angle de réglage de cage PC et le déport CVC (12) doivent être paramétrés constants ou variables.
  6. Procédé selon l'une ou plusieurs des revendications 1 à 5, caractérisé en ce que la description des valeurs ciblées, des formes de non-planéité et l'analyse mathématique est effectuée par division de la largeur du feuillard en une zone de corps et en une zone de bord.
  7. Procédé selon l'une des revendications 1 ou 6, caractérisé en ce que la forme de non-planéité est décrite par une fonction de polynôme y* = A2x2 + A4x4 + A6x6 + Anxn, y' représentant la coordonnée pour l'allongement de feuillard, la non-planéité de feuillard ou la tension de feuillard et x la coordonnée de largeur de feuillard.
  8. Procédé selon l'une ou plusieurs des revendications 1 à 7, caractérisé en ce que la forme de non-planéité est décrite en altemative comme suite de points (x, y).
  9. Procédé selon l'une ou plusieurs des revendications 1 ou 6, caractérisé en ce que la valeur ciblée pour la forme de non-planéité est décrite par une fonction de polynôme d'après la revendication 7 ou comme suite de point (x-y) d'après la revendication 8.
  10. Procédé selon une ou plusieurs des revendications 1 à 9, caractérisé en ce que des limites positives ou négatives approchant les valeurs ciblées (par exemple de la tension de bande, de la planéité, de l'allongement/réduction de feuillard) sont définies et que les organes de réglage (12, 13, 14, 15, 16, 17, 18) sont utilisés de manière à maintenir la répartition de tension, de planéité, d'allongement/réduction de feuillard à l'intérieur de ces limites respectivement à minimiser un dépassement de ces limites.
  11. Procédé selon une ou plusieurs des revendications 1 à 10, caractérisé en ce que les limites pour la forme de non-planéité admissible sont décrites par une fonction de polynôme selon la revendication 7 ou comme suite de points (x, y) selon la revendication 8.
  12. Procédé selon une ou plusieurs des revendications 1 à 11, caractérisé en ce que les formes ciblées de non-planéité ainsi que les limites de planéité sur la largueur d'un feuillard (3, 4) peuvent prendre des formes et niveaux différents pour les cages respectivement des passes différentes.
  13. Procédé selon une ou plusieurs des revendications 1 à 12, caractérisé en ce que pour la génération d'un allongement ou d'une réduction de feuillard de nature parabolique ou supérieure sur la largueur du feuillard, des organes de réglage (12, 13) sont utilisés qui influencent le comportement élastique du jeu de cylindre, ces organes de réglage comprenant des moyens de déplacement (12) pour les cylindres de travail (10, 11) ou des dispositifs de flexion (13) pour ceux-ci ou les deux moyens à la fois.
  14. Procédé selon une ou plusieurs des revendications 1 à 13, caractérisé en ce que pour éviter la formation d'oreilles sur le feuillard chaud (3, 4) ainsi que dans le feuillard à l'état froid (3, 4), une répartition de la force de laminage est exécutée de manière à réduire la force de laminage au moins dans la dernière cage (8) et à augmenter la force de laminage de la cage située en amont.
  15. Procédé selon une ou plusieurs des revendications 1 à 14, caractérisé en ce que les opérations lors du refroidissement du feuillard laminé (3, 4) sur le train à rouleaux d'évacuation ainsi que dans la bobine et les allongements /réductions de feuillard se produisant sont analysées aussi bien dans la zone de corps que dans la zone des bords et les modifications de longueur déterminées respectivement définies sont compensées par un réglage préalable des organes de réglage (12, 13, 14, 15, 16, 17, 18) au moins dans la dernière cage (8).
  16. Procédé selon une ou plusieurs des revendications 1 à 15, caractérisé en ce que des organes de réglage (12, 13) à action mécanique sont utilisés et sont assistés par des organes de réglage thermiques (14, 15, 16, 17, 18) non mécaniques par exemple positifs ou négatifs.
  17. Procédé selon une ou plusieurs des revendications 1 à 16, caractérisé en ce que la forme de non-planéité mesurée est comparée à la forme de planéité ciblée et la différence est mise à contribution à des fins d'adaptation.
  18. Procédé selon une ou plusieurs des revendications 1 à 17, caractérisé en ce que la différence entre la forme de non-planéité calculée respectivement mesurée est analysée et est répartie en parts paraboliques ainsi qu'en parts d'ordre supérieur et qu'ensuite les organes de réglage (12, 13, 14, 15, 16, 17, 18) sont utilisés en fonction de leur action.
EP97122110A 1996-12-23 1997-12-16 Procédé pour laminer une bande Expired - Lifetime EP0850704B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19654068A DE19654068A1 (de) 1996-12-23 1996-12-23 Verfahren und Vorrichtung zum Walzen eines Walzbandes
DE19654068 1996-12-23

Publications (2)

Publication Number Publication Date
EP0850704A1 EP0850704A1 (fr) 1998-07-01
EP0850704B1 true EP0850704B1 (fr) 2003-02-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97122110A Expired - Lifetime EP0850704B1 (fr) 1996-12-23 1997-12-16 Procédé pour laminer une bande

Country Status (11)

Country Link
US (1) US5970765A (fr)
EP (1) EP0850704B1 (fr)
JP (1) JP4602489B2 (fr)
KR (1) KR100551719B1 (fr)
CN (1) CN1123404C (fr)
AT (1) ATE232428T1 (fr)
CA (2) CA2667766C (fr)
DE (2) DE19654068A1 (fr)
MY (1) MY118080A (fr)
RU (1) RU2203154C2 (fr)
TW (1) TW360561B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2697001B1 (fr) 2011-05-24 2015-08-12 Primetals Technologies Germany GmbH Procédé de commande pour train de laminage
EP2697002B1 (fr) 2011-05-24 2015-08-12 Primetals Technologies Germany GmbH Procédé de commande pour train de laminoir
DE102018212074A1 (de) 2018-07-19 2020-01-23 Sms Group Gmbh Verfahren zum Ermitteln von Stellgrößen für aktive Profil- und Planheitsstellglieder für ein Walzgerüst und von Profil- und Mittenplanheitswerten für warmgewalztes Metallband

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19851554C2 (de) * 1998-11-09 2001-02-01 Siemens Ag Verfahren und Einrichtung zur Voreinstellung einer Walzstraße
DE19912796A1 (de) * 1999-03-15 2000-10-12 Sms Demag Ag Planheitsregelung zur Erzielung von planem Kaltband
IT1310879B1 (it) * 1999-07-20 2002-02-22 Danieli Off Mecc Gabbia di laminazione per prodotti piani e metodo peril controllo della planarita' di detti prodotti
EP1110635B1 (fr) * 1999-12-23 2003-12-10 Abb Ab Procédé et dispositif pour contrôler la planéité
US6314776B1 (en) * 2000-10-03 2001-11-13 Alcoa Inc. Sixth order actuator and mill set-up system for rolling mill profile and flatness control
DE10106273A1 (de) * 2001-02-01 2002-08-08 Sms Demag Ag Verfahren zum Beeinflussen des Profils von Walzband
DE102004031354A1 (de) 2004-06-28 2006-01-19 Sms Demag Ag Verfahren zum Walzen von Bändern in einem Walzgerüst
FR2879486B1 (fr) * 2004-12-22 2007-04-13 Vai Clecim Sa Regulation de la planeite d'une bande metallique a la sortie d'une cage de laminoir
US7849722B2 (en) * 2006-03-08 2010-12-14 Nucor Corporation Method and plant for integrated monitoring and control of strip flatness and strip profile
US8205474B2 (en) * 2006-03-08 2012-06-26 Nucor Corporation Method and plant for integrated monitoring and control of strip flatness and strip profile
KR100788881B1 (ko) * 2007-02-27 2007-12-27 김창락 이중 압연 장치 및 그 방법
US8607848B2 (en) * 2008-08-05 2013-12-17 Nucor Corporation Method for casting metal strip with dynamic crown control
US8607847B2 (en) * 2008-08-05 2013-12-17 Nucor Corporation Method for casting metal strip with dynamic crown control
DE102009060243A1 (de) 2009-12-23 2011-06-30 SMS Siemag Aktiengesellschaft, 40237 Planheitsbestimmung eines Metallbands durch Messung des Profils
US8505611B2 (en) 2011-06-10 2013-08-13 Castrip, Llc Twin roll continuous caster
CN102172639B (zh) * 2010-12-30 2013-01-30 东北大学 一种冷轧机工作辊弯辊超限的动态替代调节方法
CN103286143B (zh) * 2012-02-27 2016-08-24 宝山钢铁股份有限公司 热轧板坯边部加热温度测量控制方法
GB2502156B (en) * 2012-05-19 2014-08-20 David James Littler Rolling mill temperature control
CN105013833B (zh) * 2015-06-30 2017-04-05 攀钢集团西昌钢钒有限公司 极薄规格冷硬带钢板形控制方法
CN114007774B (zh) * 2019-08-08 2023-09-15 普锐特冶金技术日本有限公司 轧制装置的状态评价方法及状态评价装置以及轧制设备
EP3888810B1 (fr) * 2020-04-03 2023-08-02 ABB Schweiz AG Procédé de réglage de la planéité de bande de matériau laminé, système de commande et ligne de production
CN113751511B (zh) * 2020-06-04 2024-03-08 宝山钢铁股份有限公司 一种钢板厚度控制方法、计算机可读介质及电子设备
CN112246881B (zh) * 2020-09-29 2023-04-11 日钢营口中板有限公司 一种适用于超快冷的x70薄宽板板形控制方法
CN115647046B (zh) * 2022-11-17 2024-03-29 广东工业大学 一种高强和高模量的碳化硅颗粒增强铝基复合带材及其基于小吨位冷轧机的制备方法和应用
CN117000759B (zh) * 2023-10-07 2023-12-08 福建紫金英菲迅应用材料有限公司 一种金锡合金制品生产设备及其使用方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615082B2 (ja) * 1984-08-17 1994-03-02 三菱電機株式会社 形状制御操作量設定値の決定装置
JP2616917B2 (ja) * 1987-01-24 1997-06-04 株式会社日立製作所 ロールシフト圧延機による圧延方法
DE3943093C2 (de) * 1988-12-28 1995-05-18 Furukawa Aluminium Verfahren zur Regelung der Planheit eines in einem Walzgerüst hergestellten Bandes und Vorrichtung zu seiner Durchführung
US5235835A (en) * 1988-12-28 1993-08-17 Furukawa Aluminum Co., Ltd Method and apparatus for controlling flatness of strip in a rolling mill using fuzzy reasoning
US5193066A (en) * 1989-03-14 1993-03-09 Kabushiki Kaisha Kobe Seiko Sho Equipment for adjusting the shape of a running band-like or plate-like metal material in the width direction
DE69121789T2 (de) * 1990-06-04 1997-04-03 Hitachi Ltd Steuerungsvorrichtung für die Steuerung einer gesteuerten Anlage und Steuerungsverfahren dafür
JPH05119806A (ja) * 1991-10-25 1993-05-18 Toshiba Corp 平坦度制御装置
KR100277320B1 (ko) * 1992-06-03 2001-01-15 가나이 쓰도무 온라인 롤 연삭 장치를 구비한 압연기와 압연 방법 및 회전 숫돌
JPH0615321A (ja) * 1992-06-30 1994-01-25 Kawasaki Steel Corp 厚板圧延における形状制御方法
JPH06106218A (ja) * 1992-09-28 1994-04-19 Sumitomo Light Metal Ind Ltd 圧延機の平坦度制御方法
DE4309986A1 (de) * 1993-03-29 1994-10-06 Schloemann Siemag Ag Verfahren und Vorrichtung zum Walzen eines Walzbandes
JP2661515B2 (ja) * 1993-08-30 1997-10-08 住友金属工業株式会社 熱間圧延における板クラウン制御方法
JP3263199B2 (ja) * 1993-09-07 2002-03-04 川崎製鉄株式会社 仕上げ圧延方法
US5493885A (en) * 1994-03-10 1996-02-27 Kawasaki Steel Corporation Method and apparatus for controlling rolling process in hot strip finish rolling mill
JPH08141620A (ja) * 1994-11-18 1996-06-04 Kawasaki Steel Corp 圧延機における形状制御方法
JPH08300025A (ja) * 1995-03-13 1996-11-19 Nippon Steel Corp 板圧延における板クラウンの制御方法
AU709574B2 (en) * 1995-12-26 1999-09-02 Kabushiki Kaisha Toshiba Strip crown measuring method and control method for continuous rolling machines

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2697001B1 (fr) 2011-05-24 2015-08-12 Primetals Technologies Germany GmbH Procédé de commande pour train de laminage
EP2697002B1 (fr) 2011-05-24 2015-08-12 Primetals Technologies Germany GmbH Procédé de commande pour train de laminoir
US9751165B2 (en) 2011-05-24 2017-09-05 Primetals Technologies Germany Gmbh Control method for mill train
DE102018212074A1 (de) 2018-07-19 2020-01-23 Sms Group Gmbh Verfahren zum Ermitteln von Stellgrößen für aktive Profil- und Planheitsstellglieder für ein Walzgerüst und von Profil- und Mittenplanheitswerten für warmgewalztes Metallband
US11938528B2 (en) 2018-07-19 2024-03-26 Sms Group Gmbh Method for ascertaining control variables for active profile and flatness control elements for a rolling stand and profile and average flatness values for hot-rolled metal strip

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KR19980064526A (ko) 1998-10-07
JP4602489B2 (ja) 2010-12-22
ATE232428T1 (de) 2003-02-15
CN1186720A (zh) 1998-07-08
DE59709308D1 (de) 2003-03-20
CA2667766C (fr) 2011-02-08
CA2225516C (fr) 2009-09-29
RU2203154C2 (ru) 2003-04-27
JPH10258304A (ja) 1998-09-29
DE19654068A1 (de) 1998-06-25
EP0850704A1 (fr) 1998-07-01
TW360561B (en) 1999-06-11
MY118080A (en) 2004-08-30
KR100551719B1 (ko) 2006-04-21
CN1123404C (zh) 2003-10-08
CA2225516A1 (fr) 1998-06-23
US5970765A (en) 1999-10-26
CA2667766A1 (fr) 1998-06-23

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