EP2603337B1 - Procédé de production de laminés à l'aide d'une installation combinée de laminage direct, dispositif de commande et/ou de régulation pour une installation combinée de laminage direct, et installation combinée de laminage direct - Google Patents

Procédé de production de laminés à l'aide d'une installation combinée de laminage direct, dispositif de commande et/ou de régulation pour une installation combinée de laminage direct, et installation combinée de laminage direct Download PDF

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Publication number
EP2603337B1
EP2603337B1 EP11741174.4A EP11741174A EP2603337B1 EP 2603337 B1 EP2603337 B1 EP 2603337B1 EP 11741174 A EP11741174 A EP 11741174A EP 2603337 B1 EP2603337 B1 EP 2603337B1
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EP
European Patent Office
Prior art keywords
thickness
rolling
roll
casting
train
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP11741174.4A
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German (de)
English (en)
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EP2603337A1 (fr
Inventor
Günther Winter
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 Germany GmbH
Original Assignee
Siemens AG
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Publication date
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Priority to EP11741174.4A priority Critical patent/EP2603337B1/fr
Publication of EP2603337A1 publication Critical patent/EP2603337A1/fr
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Publication of EP2603337B1 publication Critical patent/EP2603337B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • 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
    • B21B37/16—Control of thickness, width, diameter or other transverse dimensions
    • B21B37/24—Automatic variation of thickness according to a predetermined programme
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • 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

Definitions

  • the invention relates to a method for producing in its longitudinal direction thick profiled metal strip by means of a G demierzverbundstrom, comprising a casting device for casting metal to rolling and at least one rolling stand comprehensive rolling mill for hot working of the metal, wherein the G demierzverbundstrom is operated such that the rolling between the casting device and the rolling train extends continuously, wherein the rolling mill is continuously fed to rolling, wherein the rolling train a desired thickness profile is predetermined, according to which the rolling mill rolls the rolling stock.
  • the invention relates to the technical field of rolling of rolling stock, in particular of metal strip, in particular so-called "tailored blanks", i. Walzgut with desired thickness profile in the longitudinal direction of the rolling stock.
  • the rolling stock is a metal strip, such a metal strip is also referred to as a longitudinally profiled metal strip.
  • the associated process is also known as flexible rolling. Flexible rolling is now used only in the cold rolling area for various reasons explained below. The products produced by these methods are used, for example, in the automotive industry to increase the safety of the vehicle occupants while minimizing the weight of the automobile.
  • the US 2009/0139290 A1 discloses a cast-rolling composite plant comprising a casting plant and a hot rolling plant for producing a metal strip in a certain desired thickness.
  • a method for producing a metal strip which is intended to roll in the longitudinal direction to at least two different nominal thicknesses, the D1 is not apparent. Furthermore, it can not be deduced from D1 that casting of the metal (by means of the casting installation) takes place with a thickness profile in the longitudinal direction, so that the rolling stock already has varying thicknesses in the longitudinal direction when entering the rolling line, whereby this thickness pre-profile produced by the casting device is subsequently separated from the latter at least one rolling stand of the rolling train is rolled in such a way that the desired thickness profile is obtained in the longitudinal direction.
  • the WO 00/21695 A1 describes a method for producing a metal strip having regions of different thicknesses.
  • a rolling mill is fed with a uniformly thick metal strip which has differently tempered regions in the direction of its strip longitudinal direction in order to produce a strip having different thicknesses in the longitudinal direction during rolling.
  • the D2 thus shows no method for producing a thickness-profiled in its longitudinal metal strip by means of a G manwalzverbundstrom.
  • the object of the present invention is to provide a method by means of which longitudinally profiled rolling stock can be produced significantly more favorably than with conventional processes.
  • the procedural part is achieved by a method for producing thickness-profiled metal strip in its longitudinal direction, by means of a G demwalzverbundstrom comprising a casting device for casting metal to rolling and at least one rolling stand comprehensive rolling mill for hot working of the rolling stock, wherein the G manwalzverbundstrom is operated such that the rolling stock extends continuously between the casting device and the rolling train, rolling stock being fed continuously to the rolling train, the rolling train being given a desired thickness profile according to which the rolling train rolls the rolling stock, the target thickness profile being at least two different target values.
  • Thicknesses for different sections in the longitudinal direction of the thick-profiled metal strip and that the desired thickness profile is formed such that the first and / or the second target thickness is set at least twice, wherein the G manwalzverbundanl age is further operated such that an inlet speed of the rolling stock in the rolling stand is set smaller than 7 meters / second, in particular less than 5 meters / second.
  • a casting of the metal is carried out with a thickness profile in the longitudinal direction, so that the rolling stock already has varying thicknesses in the longitudinal direction when entering the rolling train, said thickness pre-profile produced by the casting device is then rolled by the at least one rolling stand of the rolling train such that the target Thickness profile is obtained in the longitudinal direction.
  • rolling stock Under rolling material is in this case understood in particular a metal strip, but the rolling stock can alternatively be a long product such as wire, steel bars or profiles made of steel or from a Be non-ferrous metal such as aluminum or magnesium.
  • metal strip and hot strip are further used in the text as synonyms for "rolling stock", so that the subject invention is not limited only to band-shaped products.
  • the thickness range required for "tailored blanks" can be easily covered, in particular in thin strip casting or thin slab casting.
  • Casting devices which can be used are any casting installations which are suitable for casting roll composite systems.
  • any thickness profiles can be specified, depending on what is desired by the customers of the product produced.
  • periodic Thickness profiles in the longitudinal direction can be produced very efficiently in this way.
  • associated setpoint rolling forces and / or setpoint roll gap openings are predetermined. As a result, the accuracy for the production of a longitudinally profiled rolling stock is further increased.
  • the thickness profile comprises repetitive, in particular periodically repeating, changes in thickness in the longitudinal direction of the thickness-profiled metal strip.
  • a strip store in particular a belt loop, is present between the casting device and the rolling train, with which mass flow fluctuations caused by the predetermined course of thickness are compensated in the cast roll composite system.
  • This is particularly easy and effective in Dünnbandg discernwalzverbundanlagen possible.
  • the cast strip already has sufficient deformability, which allows, for example, between the rolling stand and casting device formed by a gravity belt loop. This can be used as a strip storage between casting and rolling mill.
  • a strip accumulator is therefore very advantageous since the mass flow fluctuations in the casting rolling mill, in particular in the rolling mill, can be compensated for as a result of the changes in thickness in the longitudinal direction of the metal strip. This in turn makes it possible, for example, to avoid ligament tears.
  • the tape storage can be designed in particular as a tape storage device which is operated such that caused by the predetermined thickness curve mass flow fluctuations in the Gellowalzverbundstrom be compensated.
  • the casting device is operated in such a way that by means of the casting device a predetermined actual thickness profile of the rolling stock coordinated with the desired thickness profile is produced, which the rolling stock has before entering the rolling train.
  • the at least one roll stand is supported in the longitudinal profiling of the rolling stock by the casting device.
  • high rolling forces can thereby be avoided and unwanted processing speed deviations between casting device and rolling train can be reduced.
  • the corresponding division of the setting of the thickness profile of the casting device and rolling train it is possible that the rolling stand is always operated so that it does not encounter plant technical limits or technological limits in the setting of the desired thickness course.
  • Plant engineering limits are, for example, the setting position and / or setting speed of the work rolls, technological limits are, for example, thickness decreases, which would indeed be required to set the desired thickness profile, but to intolerable deviations, for. lead in the flatness of the rolling stock. This can be avoided if the longitudinal profiling of the rolling stock is divided between the casting device and the rolling train.
  • the rolling mill is followed by a thickness measuring device in the mass flow direction, by means of which the rolled thickness of the thick-profiled metal strip is detected, wherein at least one actuator for the rolling train is adjusted as a function of the detected thickness and the predetermined thickness profile thick profiled metal strip.
  • the rolling mill in the mass flow direction is a flatness measuring device downstream, by means of which the flatness of the thickness profiled metal strip is detected, wherein at least one actuator, in particular a bending cylinder is set for the rolling train in dependence on the detected flatness and a predetermined thickness profile.
  • at least one actuator in particular a bending cylinder is set for the rolling train in dependence on the detected flatness and a predetermined thickness profile.
  • the course of thickness is set with a rolling train which comprises a rolling stand which has a set of work rolls having a diameter of less than 800 millimeters, in particular 200 millimeters to 600 millimeters.
  • the entry speed is set in such a way and the rolling stand is designed such that a ratio of an entry speed of the rolling stock into the rolling stand to a maximum setting speed of the work rolls of the rolling stand for influencing the thickness of the rolling stock is less than 3500, in particular less than 2000, in particular between 200 and 1500, is.
  • the above ratio is maintained for all operated rolling mills of a rolling train, as long as the rolling train comprises more than a single stand.
  • the entry speed can be influenced or controlled by means of the casting speed.
  • the inventive method can be used particularly advantageously for cast roll mills in which a two-roll caster or a belt caster, also referred to as direct strip casting, is used. Because these casting facilities are Dünnbandg fabric featureden.
  • the rolling stock produced by the casting device, in particular metal strip is usually already relatively thin, in particular this has a thickness of less than 3 mm. On the one hand, this makes it possible to produce final thicknesses in the range of 0.7 mm and below, while simultaneously producing comparatively low entry speeds into the rolling train.
  • two-roll casting devices can be considered as casting devices, in which the two rolls are arranged in a vertical plane, ie the metal is cast horizontally.
  • control and / or regulating device for a G demierzverbundstrom for producing longitudinally thick profiled rolling stock, with a machine-readable program code, which comprises control commands, which the control and / or regulating device for performing the method according to one of claims 1 to 11 cause.
  • the control and / or regulating device may comprise a plurality of modules, which are designed to implement the individual method steps of the embodiments of the method according to the invention in a machine-readable manner for the control and / or regulating device, so that these are controlled by the control and / or Control device can be arranged.
  • a G manufactorinlage be provided for producing longitudinally profiled in thickness rolling stock, wherein the rolling stock in the stationary operation of the G manwalzverbundstrom continuously from the casting device to a rolling mill comprising at least one rolling mill, with said control means, wherein the control means with the at least one rolling mill is actively connected.
  • the mill train may comprise a mill stand comprising a set of work rolls having a diameter of less than 800 millimeters, in particular 200 millimeters to 600 millimeters, the mill stand being designed and operated in such a way that a ratio of an entry speed of the rolling stock to a rolling mill is Anstell aus of the work rolls of the rolling stand for thickness control of the rolling stock is less than 3500, in particular less than 2000, in particular between 200 and 1500, is. If the G manwalzverbundstrom has a rolling train with more than one rolling mill, then the above ratio is preferably maintained for each rolling mill. As a result, a device is provided, by means of which almost all of Customer desired thickness profiles can be realized during hot rolling, since corresponding Dickengradienten are rollable.
  • the casting device is operatively connected to the control and / or regulating device.
  • This makes it possible to divide the thickness profile and thus the load of the individual units for producing the desired target thickness for a section in expediently between the casting device and rolling train.
  • About a Walzgut- or tape tracking then cast in accordance with the specifications of the control and / or regulating device section time and place correctly processed by the mill train such that the portion after the rolling line has the desired desired thickness as possible.
  • the casting device is designed as Zweirollengate immunity or as Umlaufbandgit arthritis.
  • FIG. 1 shows a G manufactorundstrom comprising a Umlaufbandg screen Skown 1 'and a "direct strip casting” device, with which liquid metal M is cast on a revolving cast strip.
  • the metal solidifies and there is a thin metal strip B as rolling, which is judgeverarbeitbar in the G intelligentwalzverbundstrom.
  • the continuous rolling system further comprises a rolling mill 2.
  • the rolling mill 2 may have a rolling stand or even several rolling stands.
  • the rolling train 2 is used for hot forming of the metal strip B. In particular, by means of this, the metal strip B is rolled to its final thickness.
  • the metal strip B extends continuously from the Umlaufbandgitice owned 1 'to the rolling line 2.
  • the metal strip B are usually, i. in stationary operation of the G manwalzverbundstrom, all units of the G manwalzverbundstrom coupled to each other via the metal strip B.
  • the tape storage S' is formed as a pair of S-rollers. The rotation of the pair of rollers about a pivot point located between the rollers, the tape length, which is guided over the rollers change. This can provide a tape storage volume.
  • a thickness measuring device 3 and a flatness measuring device 4 are provided downstream of the rolling train 2 in the mass flow direction. These can be configured as desired. Corresponding devices are sufficiently known to the person skilled in the art. Possibly. These may also be arranged in the direction of mass flow in front of the rolling train 2, so that the at least one rolling stand of the rolling train 2 can be operated in a pilot-controlled manner, ie the measured portion, as well Band section called, still passes through the rolling mill. As a result, this band section can still be influenced in the desired manner.
  • the flatness measuring device 4 and the thickness measuring device 3 are operatively connected to a control and / or regulating device 10 which controls or regulates the rolling train 2 such that the desired thickness profile is generated in the longitudinal direction of the metal strip B.
  • the recorded data for flatness and thickness are fed to the control and / or regulating device 10. Based on these data and on the basis of the predetermined desired thickness profile, the rolling train 2 is operated.
  • the control and / or regulating device 10 is upgraded by means of machine-readable program codes 12 to operate the rolling train 2 according to an embodiment of the method according to the invention.
  • the machine-readable program code 12 is stored, for example, by means of a storage medium 11 on the control and / or regulating device 10. Furthermore, by means of the control and / or regulating device 10 to be rolled target thickness profiles for the metal strip B can be specified.
  • the lead-in speed V of the metal strip B is set in the rolling stand such that the entry speed of the metal strip B of 5 meters / second is not exceeded for any of the rolling stands covered by the rolling line 2. This can be achieved by a corresponding adjustment of the casting speed.
  • work rolls are used which have a diameter D of 500 millimeters. Due to the reduced diameter D of the work rolls compared to the commonly used work rolls during hot rolling - these often have a diameter of about 1000mm -, the rolling forces can be increased to the metal strip B, whereby higher thickness decreases can be achieved. At the same time be rolled higher density gradients.
  • the work rolls can be set to influence the thickness at a setting speed of at most 4 millimeters / second.
  • FIG. 2 shows a G intelligentnalzverbundstrom comprising a Zweiroll Casting 1 for the vertical casting of liquid metal M.
  • the casting rolling mill comprises a rolling mill 2, in which the cast metal is rolled to its final thickness.
  • the rolling train may comprise a rolling stand or a plurality of rolling stands.
  • the metal strip B cast by the twin roll caster 1 forms a loop S due to gravity and then enters a rolling train 2 comprising at least one rolling stand.
  • a flatness measuring device 4 is also arranged downstream of the rolling train 2 in the direction of mass flow.
  • the thickness measuring device 3 and the flatness measuring device 4 are with a control and / or regulating device 10 operatively connected to which the detected data are supplied.
  • control and / or regulating device 10 is in accordance with the in FIG. 1 made statements to induce an embodiment of the method according to the invention.
  • the control and / or regulating device 10 is operatively connected to the rolling train 2 on the one hand and to the casting device 1 on the other hand.
  • the control and / or regulating device 10 controls the setting of the desired thickness profile in the longitudinal direction for the metal strip B across, that is. the control and / or regulating device 10 already causes a casting of the liquid metal M with a corresponding thickness profile in the longitudinal direction based on the desired desired thickness profile, so that the metal strip B already has varying thicknesses in the longitudinal direction when entering the rolling train 2.
  • This thickness pre-profile produced by the casting device 1 is subsequently rolled by the at least one rolling stand of the rolling train 2 such that the desired nominal thickness profile is obtained in the longitudinal direction. In this way, the required load for the desired thickness profiling between the units can be divided so that the rolling train 2 does not approach the plant limits in rolling the longitudinal profile of the metal strip B.
  • the casting speed of the two-roll caster 1 is controlled such that the ratio of the lead-in speed V of the metal strip B to the rolling stand and the setting speed of the work rolls to influence the thickness of the rolling stand is less than 2,000.
  • a rolling mill is used, which has a pitch of 3 millimeters / second and a casting speed of 2 meters / second set. This results in a ratio of about 670, with which it is possible, without reaching plant engineering limits, desired thickness profiles in the longitudinal direction in the desired Way to produce. Particularly advantageous this can be combined with work rolls with diameters smaller than 800 millimeters.
  • FIG. 3 shows a G intelligentnalzverbundstrom comprising a Zweiroll Casting 1 for horizontal casting of liquid metal M.
  • the casting rolls are arranged here so that the metal can be cast horizontally and not vertically.
  • forms in the system according to FIG. 3 usually no belt loop of the potted metal, so that - as in FIG. 1 -
  • a strip storage device between the casting device 1 and rolling mill 2 is provided.
  • FIG. 2 made statements essentially analogous to FIG. 3 , In particular, there are no substantial differences from the embodiment for the rolling train, the flatness measuring device or the thickness measuring device FIG. 2 in front. The statements too FIG. 2 can easily go up for these parts FIG. 3 be transmitted.
  • the rolling operation is usually independent of whether the metal is cast horizontally or vertically. It is only on the possibly present changed casting speeds, material strengths, etc. take into account and adjust the rolling operation accordingly.
  • FIG. 4 shows an exemplary flowchart for an embodiment of the method according to the invention.
  • the G manwalzverbundstrom is in a steady state operation, wherein as casting a Zweirolleng go thanks according to FIG. 2 is used.
  • a desired thickness profile in the longitudinal direction of the metal strip B is specified for the hot strip to be rolled. This gives, for example, a repetitive periodic thickness profile for the metal strip.
  • a manipulated variable for the caster and the rolling train is determined based on the predetermined thickness profile from method step 101.
  • a thickness profile to be provided by the casting device is determined.
  • this thickness curve significantly simplifies the machining of the metal strip B with regard to the provision of the desired thickness profile.
  • a thickness profile is determined for the rolling train, which results in that the metal strip B emerges from the rolling train with an actual thickness profile in the longitudinal direction, which substantially corresponds to the desired nominal thickness profile in the longitudinal direction of the metal strip B.
  • the casting rolls of the casting device are controlled or regulated in such a way by means of the control and / or regulating device that the predetermined course of thickness is present before entry into the rolling train.
  • the casting device is controlled by means of the control and / or regulating device in dependence on the maximum setting speed of the roll stand such that the entry speed is in the rolling mill below a corresponding threshold, for example. 3 meters / second. This will ensure that the ratio of belt entry speed into the rolling stand and setting speed of the work rolls for influencing the metal strip thickness is such that the desired thickness profile can also be produced. This is usually possible if the ratio of belt entry speed and setting speed for each rolling stand of the rolling train is less than 3500, in particular between 200 and 1500.
  • a plurality of operating points are provided, which are to be traversed by the rolling stand for a particular band section. These operating points give, for example, in addition to the desired thickness, a desired rolling force and a desired rolling gap for the rolling stand. These operating points are preferably determined by means of a process model.
  • a method step 103 the corresponding strip section is cast in accordance with the thickness profile predetermined for the casting device.
  • the corresponding strip section enters the rolling train and is rolled according to the predetermined course of thickness in a method step 104 in such a way that the strip section has an actual thickness profile which substantially corresponds to the intended target thickness profile for this strip section.
  • the thickness of the metal strip B is preferably controlled, in particular with the aid of detected setting positions for the work rolls, detected rolling forces, detected thicknesses and / or detected profiles of the metal strip B.
  • a thickness measurement and a flatness measurement are carried out.
  • the data obtained from the measurement are supplied to the control and / or regulating device, which influences the actuators of the roll stand based on this data such that the subsequently rolled strip sections the actual thickness of the desired thickness and the actual flatness of the desired flatness is further approximated.
  • a query is made as to whether the method should be aborted. If not, the procedure is executed until terminated.
  • the method can also be used for cast roll composite systems at correspondingly low rolling speeds, which, for example, uses a mold as a casting device.

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  • Control Of Metal Rolling (AREA)

Claims (11)

  1. Procédé de production de feuillard métallique profilé en épaisseur dans sa direction longitudinale, au moyen d'une installation combinée de coulée continue, comprenant un dispositif (1, 1') de coulée pour couler du métal en du produit (B) à laminer et un train (2) de laminoir comprenant au moins une cage de laminoir pour transformer à chaud le produit (B) à laminer, dans lequel on fait fonctionner l'installation combinée de coulée continue, de manière à ce que le produit (B) à laminer s'étende en continue entre le dispositif (1, 1') de coulée et le train (2) de laminoir, du produit (B) à laminer étant envoyé en continu au train (2) de laminoir, dans lequel on prescrit une courbe d'épaisseur de consigne au train (2) de laminoir suivant laquelle le train (2) de laminoir lamine le produit (B) à laminer, dans laquelle la courbe d'épaisseur de consigne a au moins deux épaisseurs de consigne différentes pour des tronçons différents dans la direction longitudinale du feuillard métallique profilé en épaisseur et la courbe d'épaisseur de consigne est constituée de manière à régler au moins deux fois la première et/ou la deuxième épaisseur de consigne, l'installation combinée de coulée continue fonctionnant en outre, de manière à régler une vitesse (V) d'entrée du produit (B) à laminer dans la cage de laminoir à une valeur plus petite que 7 mètres/seconde, caractérisé en ce qu'il se produit une coulée du métal ayant un profil d'épaisseur dans la direction longitudinale, de manière à ce que le produit (B) à laminer ait déjà à l'entrée dans la cage (2) de laminoir, des épaisseurs variables dans la direction longitudinale, ce profil antérieur d'épaisseur produit par le dispositif (1) de coulée étant ensuite surlaminé par la au moins une cage de laminoir du train (2) de laminoir, de manière à obtenir le profil d'épaisseur de consigne dans la direction longitudinale.
  2. Procédé suivant la revendication 1, dans lequel on prescrit en plus des forces de laminage de consigne et/ou des ouvertures de fente de laminage de consigne associées au au moins deux épaisseurs de consigne différentes.
  3. Procédé suivant la revendication 1 ou 2, dans lequel la courbe d'épaisseur comprend des variations d'épaisseur se répétant, notamment se répétant périodiquement, dans la direction longitudinale du feuillard métallique profilé en épaisseur.
  4. Procédé suivant l'une des revendications précédentes, dans lequel il y a entre, le dispositif (1, 1') et le train (2) de laminoir, un accumulateur (S, S') de feuillard, notamment une boucle (S) de feuillard, par lequel des fluctuations de flux massique provoquées par la courbe en épaisseur prescrite, sont compensées.
  5. Procédé suivant l'une des revendications précédentes, dans lequel une vitesse (V) d'entrée du produit (B) à laminer dans la cage de laminoir est réglée à une valeur plus petite que 5 mètres/seconde, notamment entre 1 mètre/seconde et 4 mètres/seconde.
  6. Procédé suivant l'une des revendications précédentes, dans lequel il est monté en aval du train (2) de laminoir dans le sens du flux massique, un dispositif (3) de mesure de l'épaisseur, au moyen duquel on détecte l'épaisseur laminée du feuillard métallique profilé en épaisseur, dans lequel au moins un organe de réglage du train (2) de laminoir, notamment d'au moins une cage de laminoir, est réglé en fonction de l'épaisseur détectée et de la courbe d'épaisseur prescrite du feuillard métallique profilé en épaisseur.
  7. Procédé suivant l'une des revendications précédentes, dans lequel il est monté en aval du train (2) de laminoir dans le sens du flux massique, un dispositif (4) de mesure de la planéité, au moyen duquel on détecte la planéité du feuillard métallique profilé en épaisseur, au moins un organe de réglage, notamment un cylindre à cintrer du train (2) de laminoir, étant réglé en fonction de la planéité détectée et d'une courbe d'épaisseur prescrite.
  8. Procédé suivant l'une des revendications précédentes, dans lequel on règle la courbe d'épaisseur par un train (2) de laminoir, qui comprend une cage de laminoir, laquelle a un jeu de cylindres de travail, qui ont un diamètre (D) plus petit que 800 millimètres, notamment de 200 millimètres à 600 millimètres.
  9. Procédé suivant la revendication 8, dans lequel on règle la vitesse d'entrée et on conçoit la cage de laminoir, de manière à avoir un rapport d'une vitesse (V) d'entrée du produit (B) à laminer par la cage de laminoir à une vitesse de serrage maximum des cylindres de travail de la cage de laminoir pour influencer l'épaisseur du produit (B) à laminer plus petit que 3500, notamment plus petit que 2000, notamment compris entre 200 et 1500.
  10. Procédé suivant l'une des revendications précédentes, dans lequel on utilise comme dispositif (1, 1') de coulée, un dispositif (1) de coulée à deux rouleaux ou un dispositif (1') de coulée à circulation.
  11. Procédé suivant l'une des revendications 1 à 10, dans lequel on produit du feuillard métallique profilé en épaisseur dans sa direction longitudinale à une épaisseur de consigne minimum de 0,7 mm.
EP11741174.4A 2010-08-13 2011-07-28 Procédé de production de laminés à l'aide d'une installation combinée de laminage direct, dispositif de commande et/ou de régulation pour une installation combinée de laminage direct, et installation combinée de laminage direct Not-in-force EP2603337B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11741174.4A EP2603337B1 (fr) 2010-08-13 2011-07-28 Procédé de production de laminés à l'aide d'une installation combinée de laminage direct, dispositif de commande et/ou de régulation pour une installation combinée de laminage direct, et installation combinée de laminage direct

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10172748A EP2418031A1 (fr) 2010-08-13 2010-08-13 Procédé de fabrication d'une bande métallique à l'aide d'une installation de laminage par coulée, dispositif de commande et/ou de réglage pour une installation composite de laminage par coulée et installation composite de laminage par coulée
EP11741174.4A EP2603337B1 (fr) 2010-08-13 2011-07-28 Procédé de production de laminés à l'aide d'une installation combinée de laminage direct, dispositif de commande et/ou de régulation pour une installation combinée de laminage direct, et installation combinée de laminage direct
PCT/EP2011/062963 WO2012019917A1 (fr) 2010-08-13 2011-07-28 Procédé de production de laminés à l'aide d'une installation combinée de laminage direct, dispositif de commande et/ou de régulation pour une installation combinée de laminage direct, et installation combinée de laminage direct

Publications (2)

Publication Number Publication Date
EP2603337A1 EP2603337A1 (fr) 2013-06-19
EP2603337B1 true EP2603337B1 (fr) 2018-10-10

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EP10172748A Withdrawn EP2418031A1 (fr) 2010-08-13 2010-08-13 Procédé de fabrication d'une bande métallique à l'aide d'une installation de laminage par coulée, dispositif de commande et/ou de réglage pour une installation composite de laminage par coulée et installation composite de laminage par coulée
EP11741174.4A Not-in-force EP2603337B1 (fr) 2010-08-13 2011-07-28 Procédé de production de laminés à l'aide d'une installation combinée de laminage direct, dispositif de commande et/ou de régulation pour une installation combinée de laminage direct, et installation combinée de laminage direct

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EP10172748A Withdrawn EP2418031A1 (fr) 2010-08-13 2010-08-13 Procédé de fabrication d'une bande métallique à l'aide d'une installation de laminage par coulée, dispositif de commande et/ou de réglage pour une installation composite de laminage par coulée et installation composite de laminage par coulée

Country Status (7)

Country Link
US (1) US9855598B2 (fr)
EP (2) EP2418031A1 (fr)
KR (1) KR20130136965A (fr)
CN (1) CN103068502B (fr)
MX (1) MX341910B (fr)
TR (1) TR201819078T4 (fr)
WO (1) WO2012019917A1 (fr)

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EP2418031A1 (fr) 2010-08-13 2012-02-15 Siemens Aktiengesellschaft Procédé de fabrication d'une bande métallique à l'aide d'une installation de laminage par coulée, dispositif de commande et/ou de réglage pour une installation composite de laminage par coulée et installation composite de laminage par coulée
CN103128099B (zh) * 2013-02-25 2016-01-06 南通职业大学 一种热轧系统和方法
CN105142810A (zh) * 2013-04-26 2015-12-09 Sms集团有限公司 用于冷轧轧件的方法和轧机机架
US10618107B2 (en) 2016-04-14 2020-04-14 GM Global Technology Operations LLC Variable thickness continuous casting for tailor rolling
TW202039111A (zh) * 2018-10-31 2020-11-01 日商日本製鐵股份有限公司 控制系統、控制方法、控制裝置、及程式
AT522345B1 (de) * 2019-03-29 2020-11-15 Primetals Technologies Austria GmbH Heizungsvorrichtung zum induktiven Erhitzen eines Flachstahlstreifens in einem Warmwalzwerk
DE102019131761A1 (de) * 2019-11-25 2021-05-27 Norbert Umlauf Walzlinie
DE102019132133A1 (de) * 2019-11-27 2021-05-27 Muhr Und Bender Kg Anlage und verfahren zum flexiblen walzen von metallischem bandmaterial
CN113042541B (zh) * 2021-02-25 2023-07-21 首钢京唐钢铁联合有限责任公司 一种连铸连轧产线的控制方法及系统

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Publication number Publication date
US9855598B2 (en) 2018-01-02
US20130139992A1 (en) 2013-06-06
MX2013001745A (es) 2013-03-25
TR201819078T4 (tr) 2019-01-21
MX341910B (es) 2016-09-06
CN103068502A (zh) 2013-04-24
WO2012019917A1 (fr) 2012-02-16
CN103068502B (zh) 2016-01-20
KR20130136965A (ko) 2013-12-13
EP2418031A1 (fr) 2012-02-15
EP2603337A1 (fr) 2013-06-19

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