EP1763411B1 - Procede et dispositif pour mesurer et regler la planeite et/ou la tension d'une courroie d'acier inoxydable ou d'un film d'acier inoxydable au cours du laminage a froid dans un laminoir a cylindres multiples, en particulier dans un laminoir sendzimir a 20 cylindres - Google Patents
Procede et dispositif pour mesurer et regler la planeite et/ou la tension d'une courroie d'acier inoxydable ou d'un film d'acier inoxydable au cours du laminage a froid dans un laminoir a cylindres multiples, en particulier dans un laminoir sendzimir a 20 cylindres Download PDFInfo
- Publication number
- EP1763411B1 EP1763411B1 EP05755571A EP05755571A EP1763411B1 EP 1763411 B1 EP1763411 B1 EP 1763411B1 EP 05755571 A EP05755571 A EP 05755571A EP 05755571 A EP05755571 A EP 05755571A EP 1763411 B1 EP1763411 B1 EP 1763411B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- planarity
- strip
- error
- regulating
- setting
- 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
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Classifications
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/06—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring tension or compression
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- 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
- B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
- B21B13/147—Cluster mills, e.g. Sendzimir mills, Rohn mills, i.e. each work roll being supported by two rolls only arranged symmetrically with respect to the plane passing through the working rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
Definitions
- the invention relates to a method and a device for measuring and regulating the flatness and / or the strip tensions of a stainless steel strip or a stainless steel foil during cold rolling in a multi-roll stand, in particular in a 20-roll Sendzimir rolling mill, with at least one control loop comprising a plurality of actuators. wherein the actual strip flatness in the outlet of the multi-roll stand is measured via a flatness measuring element due to the band-voltage distribution over the bandwidth.
- Such multi-roll stands consist of split-block or monoblock design, wherein the upper and lower sets of rolls can be made independently and can result in different stator frame.
- the initially mentioned method is known from EP 0 349 885 B1 and comprises the formation of measured values which characterize the flatness, in particular the tensile stress distribution, are actuated on the exit side of the rolling stand and in dependence therefrom actuators of the rolling mill which belong to at least one control circuit for the flatness of the rolled sheets and strips.
- the known method provides for adapting the speeds of the different actuators to each other and for uniforming their travel ranges. However, this does not detect other sources of error.
- EP 0 647 164 B1 Another known method ( EP 0 647 164 B1 ), a method for obtaining the input signals in the form of nip signals, for control members and regulators for actuators of the work rolls, measures the stress distribution across the strip material, the planarity errors being taken from a mathematical function by minimizing the squares of the deviations is determined by a matrix, with the number of measurement points, the number of lines, the number of basis functions and the number of roll gaps in the measurement points. This procedure also does not take into account the flatness errors that occur in practice and their occurrence.
- the invention has for its object to achieve due to the more accurately measured and analyzed flatness errors a changed control behavior of the respective actuators, thereby achieving a higher flatness of the final product, so that the rolling speed can be increased.
- the stated object is achieved by a method with the features of claim 1 in combination.
- the advantages are ensuring a stable rolling process with a minimum stripper rate and thus an increase in the possible rolling speed.
- the operator is relieved by the automatic adaptation of the flatness actuators to changing conditions, even in case of errors.
- a consistent product quality is achieved regardless of the qualifications of the staff.
- the calculation of the influence functions and a calculation of the control functions can be done in advance in a time-saving manner.
- the flatness control system as a whole becomes robust against inaccuracies in the calculated control functions.
- the inaccuracies remain without influence commissioning.
- the most important components of the flatness error are eliminated with the maximum possible control dynamics.
- the orthogonal components of the voltage vectors are linearly independent of each other, whereby a mutual influence of the components is excluded.
- the scalar flatness error components are fed to the individual control modules.
- the profile of the flatness error is approximated over the bandwidth by a Gaussian approximation 8th order (LSQ method) and then decomposed into the orthogonal components.
- LSQ method Gaussian approximation 8th order
- An improvement of the invention is provided by analyzing a residual error vector and switching the residual error vector directly to selected actuators. All flatness errors remaining after the highly dynamic compensation process, which can be influenced by the given influence functions, are eliminated by the residual error removal within the available setting range. It is therefore advantageous, in addition to the abovementioned orthogonal components of the flatness error, to also take into account a residual error which is not fed to the described orthogonal components but directly to the actuators.
- the assignment of the residual error vectors can be done by weighting functions, which are derived from the influence functions of eccentric actuators and assign the entire upcoming flatness error to the individual eccentrics.
- a residual variable determined by real numerical values is formed by summing up the residual error vectors assigned to the eccentrics.
- control for the strip edges is performed separately within the flatness control. This can be a Such regulation may also be switched off completely if it is not absolutely necessary.
- a further improvement is that the horizontal displacement of the inner intermediate rollers is used as the actuator for the edge tension control.
- an improvement is proposed in that via the edge tension control a predetermined belt tension in the range of one to two outermost covered zones of a flatness measuring roll is set separately for each band edge.
- edge voltage control is selectively operated asynchronously or synchronously for the two band edges.
- the controlled variable for the edge tension control can be determined separately for each band edge by forming the difference between the control differences of the two outermost measured values of the flatness measuring roll.
- the device for measuring and regulating the flatness and / or strip tension of a stainless steel strip or a stainless steel foil for the Kalzwalz stipulate in a Harbor Searst, in particular in a 20-Walzen-Sendzimir rolling mill, with at least one control loop for actuators, consisting of hydraulic adjusting means, from eccentrics of the outer support rollers, axially displaceable inner cone intermediate rollers and / or their influence functions.
- a further improvement of the invention is that the comparison signal between the reference curve and the current band flatness is connected via the stand-alone analyzer to the independent third control module for a flatness residual error, whose output led to the coupling connection for the actuator from the eccentrics is.
- a continuation of the invention in this sense training is that the comparison signal between the reference curve and the current Bandplanheit is connected via a third, third independent analyzer to an independent, fourth control module for the control of edge voltage control and its output to the actuator of the inner cone Intermediate rollers is connected.
- the further invention is designed in such a way that a dynamic single regulator is provided for each flatness error vector, which is provided as a PI controller with dead band in the input.
- Another embodiment provides that each individual controller except the first Analsyen Competition upstream of adaptive parameterization and a control display in parallel.
- the dynamic individual controller can be connected to a control panel.
- the residual error vector cooperates with the control elements of the eccentric via residual-error control devices.
- edge tension control provides an analysis device for different strip edge zones of the flatness measuring roll, to which two strip edge control devices are connected.
- the band edge controllers are connected to the actuators of the cone intermediate rollers.
- the band edge controllers are independently switchable.
- an adaptive Verstellgeschwindgkeits control means and a control display are connected to the two band edge controllers.
- Fig. 1 the stainless steel strip 1 or a stainless steel foil 1 a is rolled in a multi-roll stand 2, a 20-roll Sendzimir rolling mill 2 a by rolling, rolling and rolling.
- the roller sets 2b form a split-block design.
- the upper roller set 2b can be adjusted via an actuator 3 and other functions.
- a control circuit 4 Fig. 6-9
- These signals originate before the rolling process from an inlet 5a and after rolling from an outlet 5b and are obtained via flatness measuring elements 6, which consist in the embodiment of flatness measuring rollers 6a.
- a hydraulic adjusting means 17 is shown for the upper roller set 2b as an actuator 3.
- an eccentric actuator 14 of the outer support rollers 18 A, B, C, D, of which the support rollers A and D, for example, equipped with an eccentric 14 a
- an axial displacement of inner cone intermediate rollers 19 are available.
- the positioning behavior of the eccentric employment is characterized by the so-called "influence functions".
- Two or more of the outer support rollers 18 are each provided with four to eight over the bale width arranged eccentrics 14a, which can be rotated by means of a respective hydraulic piston-cylinder unit, whereby the roll gap profile can be influenced.
- the inner cone intermediate rollers 19, which are horizontally displaceable by means of a hydraulic displacement device, have a conical grinding in the region of the band edges 15.
- the ground joint is located at the two upper cone intermediate rolls 19 on the operating side of the cluster roll stand 2, in the lower cone intermediate rolls 19 on the drive side (or vice versa).
- Fig. 3 is for each of the eight adjustable eccentric 14a of the embodiment, the associated change in the roll gap profile between the band edges 15 within the bandwidth 7 indicated.
- the procedure is over Fig. 6 can be seen:
- the current band flatness is measured in the outlet 5b of the cluster roll stand 2 on the flatness measuring roller 6 based on the band voltage distribution (discrete band voltage measurements over the bandwidth 7) and stored in a voltage vector 8.
- a subtraction from the reference curve 9 (setpoint curve) to be specified by the operator results, after calculation, in the voltage vector 8 of the flatness error 10 (control difference).
- the course of the flatness error 10 over the bandwidth 7 is approximated in an analysis module 11 by a Gaussian approximation (LSQ method) of the 8th order and then decomposed into the orthogonal components, C1... Cx.
- the orthogonal components are linearly independent of each other, whereby a mutual influence of the components is excluded.
- the scalar flatness error components C1, C2, C3, C4 and, if necessary, further, are supplied to a first and second control module 12a and 12b via a first analyzer 11a. Accordingly, the second and third analyzers 11b and 11c are connected to the control modules 12c and a fourth control module 12d.
- a comparison signal 20 between the reference curve 9 and the current band flatness 22 of the flatness measuring element 6 at the input 23 of the control circuit 4 is connected to a first analyzer 11 a and an independent, first control module 12a for the formation of the voltage vectors 8 (C1 ... Cx) and the output 24 to the respective actuator 3 for the hydraulic adjusting means 17 of Roller set 2b connected.
- Output signals of the first analyzer 11a continue to reach the second control module 12b.
- the calculation result (f), from control functions 21, is forwarded via a coupling connection 25 to the actuator 3 of the eccentric 14a.
- the comparison signal 20 between the reference curve 9 and the current Bandplanheit 22 is connected via the stand-alone analyzer 11 b to the independent, third control module 12c for the flatness residual error 26 whose output 27 to the coupling port 25 for the actuator 3 from the eccentrics 14a is guided.
- Fig. 6 shown that the comparison signal 20 between the reference curve 9 and the current Bandplanheit 22 via a third, third independent analyzer 11 c connected to a separate, fourth control module 12d for controlling an edge voltage control 16 and its output 28 to the actuator 3 of the inner cone Intermediate rollers 19 is connected.
- a flatness measuring roller 6a is connected by means of the signal line of the current band flatness 22.
- a dynamic single controller 30 For each orthogonal component of the flatness error vector ( Fig. 7 ) is in the highly dynamic control loop 29, a dynamic single controller 30 is provided, which is provided as a PI controller 31 with dead band in the input 32. Each individual controller 30 is preceded by adaptive parameterizing means 33 and a control display 34 in parallel connection, apart from the first analyzer 11a. At each individual controller 30 connections 35 are provided for control parameters K i and K p . Possibly. For example, the dynamic individual controllers 30 are to be connected to a user console 36.
- the individual controller 30 for the C1 component (inclined position) works in the split-block design on the swivel-target value of the hydraulic adjusting means 17, in the monobloc design on the eccentric adjustment as a manipulated variable.
- the individual controllers 30 for all other components (C2, C3, C4 and, if necessary, higher orders) work on the eccentric actuators 14 of the outer support rollers 18.
- the Control functions 21 convert a C1, C2, C3 - Vietnamese adjusting movement into a corresponding combination of the individual eccentric setting movements.
- the mentioned decoupling ensures that an adjusting movement, for example, of the C2 controller 30 does not affect any other orthogonal component except for the C2 component.
- the corresponding control functions are calculated as a function of the bandwidth 7 and of the number of active eccentrics 14a in advance from the influence functions.
- the PI controllers used have the adaptive parameterizing means 33 and thus ensure that the theoretically possible optimum control dynamics are achieved for all operating ranges.
- the chosen approach of calculating the control parameters K i and K p according to the method of the magnitude optimum allows a very simple commissioning, since the adjustment of the control dynamics from the outside takes over a parameter. With the highly dynamic individual controllers 30, depending on the rolling speed, settling times of less than 1 second are achieved.
- Fig. 8 are error components for which no single controller 30 is provided, for which the associated individual controller 30 is switched off or those caused by inevitable inaccuracies in the calculated control functions, for example. Lack of decoupling, taken into account. Naturally, such occurring error components can not be eliminated by the highly dynamic individual controllers 30 of the orthogonal components. In order nevertheless to eliminate such error components, the flatness control method contains a residual error removal ( Fig. 8 ). The residual error removal works on the eccentrics 14a as actuators 3 and, with the error analysis described above, offers the possibility of fundamentally eliminating all flatness errors in which this is possible due to the given actuator characteristics.
- the residual error control should be operated only with a comparatively lower dynamics.
- the latter is based on a parameterizable, constant adjustment speed of the eccentric 14a, so that the control, depending on the rolling speed and control deviation, reaches slightly greater settling times.
- the residual error vector 13 is connected via residual error controllers 37, 38 and 39 to the actuators 3 of the eccentric 14a for residual error removal.
- the strip edges 15 are treated separately within the flatness control.
- the actuator 3 the horizontal displacement of the inner cone intermediate rollers 19 is used.
- the edge tension control 16 separately according to each band edge 15 Fig. 9 a desired belt tension in the region of the one to two outermost covered zones of the flatness measuring roller 6a.
- the controlled variable is how out Fig. 9 can be seen, separately for each band edge 15 by difference between the control differences of the two outermost measurements of the flatness measuring roller 6a formed.
- the edge tension control 16 is independent of the reference curve 9 and decoupled from the other components of the planarity control.
- an analysis device 40 for the different band edge zones of the flatness measuring roller 6a is provided, to which two band edge controllers 41 and 42 are connected.
- the belt edge controllers 41, 42 are connected to the actuators 3 of the cone intermediate rollers 19.
- the band edge controllers 41, 42 are independently switchable.
- an adaptive Verstell quites control means 43 and a control display 44 is connected to the two band edge controllers 41, 42 respectively.
- the edge voltage control 16 can thus be operated either asynchronously (independent operation for both band edges 15) or synchronously.
- the dynamics of the edge tension control 16 is characterized by the allowable displacement speed of the cone-intermediate roll horizontal displacement, which depends on rolling force and rolling speed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Laminated Bodies (AREA)
Claims (23)
- Procédé pour mesurer et régler la planéité et/ou les tensions d'une bande en acier noble (1) ou d'une feuille en acier noble (1a) pour le fonctionnement en laminage à froid dans une cage de laminage à quatre cylindres (2), en particulier dans un laminoir Sendzimir à 20 cylindres (2a) comprenant les étapes suivantes :détermination de la répartition actuelle de la planéité (22) de la bande d'acier sur sa largeur (7) sur base d'une contrainte de bande mesurée, répartie sur la largeur (7) de la bande, à la sortie (5b) de la cage de laminage à quatre cylindres (2) ;détermination d'une erreur de planéité (10) par la comparaison de la répartition actuelle déterminée de la planéité (22) avec une courbe de référence (9) prédéterminée ;approximation mathématique de l'erreur de planéité (10) captée sur la largeur (7) de la bande dans un module d'analyse (11) et décomposition de l'erreur de planéité approchée en des proportions scalaires d'erreur de planéité (C1, C2, C3, C4) ; et calcul d'un premier signal de sortie et d'autres signaux de sortie du régulateur à partir des proportions d'erreur de planéité pour la commande d'une multitude d'éléments de réglage (3, 14a, 17, 18, 19) de la cage de laminage à quatre cylindres (2) ;caractérisé en ce que
la décomposition de l'erreur de planéité approchée est réalisée de manière telle que les proportions d'erreur de planéité obtenues (C1, C2, C3, C4) sont orthogonales les unes par rapport aux autres ;
pour le réglage du bloc de cylindres (2b), un premier élément de réglage sous forme d'un moyen de positionnement hydraulique (17) parmi la multitude d'éléments de réglage est commandé en réponse au premier signal de sortie du régulateur, qui est obtenu à partir d'une première proportion orthogonale (C1) de l'erreur de planéité ;calculation des autres signaux de sortie du régulateur sous forme de proportions scalaires de grandeurs de réglage à base à chaque fois d'une des autres proportions orthogonales (C2, C3, C4) de l'erreur de planéité ; etcombination des proportions scalaires des grandeurs de réglage dans des signaux de commande appropriés pour différents éléments de réglage excentriques (14a) des cylindres d'appui extérieurs (18) de la cage de laminage à quatre cylindres parmi la multitude d'éléments de réglage. - Procédé selon la revendication 1, caractérisé
en ce que l'allure de l'erreur de planéité (10) sur la largeur (7) de la bande est approchée par une approximation de Gauss d'ordre 8 (procédé LSQ) et ensuite décomposée en proportions orthogonales (C1 ... Cx). - Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce qu'un vecteur d'erreur résiduelle (13) est analysé et le vecteur d'erreur résiduelle (13) d'éléments de réglage (3) choisis directement est affiché.
- Procédé selon la revendication 3, caractérisé en ce que l'attribution des vecteurs d'erreur résiduelle (13) est réalisée par des fonctions de pondération, qui sont dérivées de fonctions d'influence d'éléments de réglage excentriques (14) et qui attribuent l'erreur de planéité (10) totale qui existe aux différents excentriques (14a).
- Procédé selon l'une quelconque des revendications 3 ou 4, caractérisé en ce qu'on forme à partir des vecteurs d'erreur résiduelle (13) attribués aux excentriques (14a) par addition une grandeur d'erreur déterminée par des valeurs numériques réelles.
- Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le réglage pour les bords (15) de bande est réalisé séparément au sein de la régulation de la planéité.
- Procédé selon la revendication 6, caractérisé
en ce qu'on utilise comme élément de réglage (3) pour la régulation (16) de la contrainte de bord le déplacement horizontal des cylindres intermédiaires internes (19). - Procédé selon la revendication 7, caractérisé
en ce qu'on règle via la régulation (16) de la contrainte des bords, séparément pour chaque bord (15) de bande, une contrainte de bande prédéfinie dans la plage d'une à deux zones recouvertes extérieures d'un galet de mesure (6a) de la planéité. - Procédé selon l'une quelconque des revendications 6 à 8, caractérisé en ce que la régulation (16) de la contrainte des bords est opérée au choix de manière synchrone ou asynchrone pour les deux bords (15) de bande.
- Procédé selon la revendication 7, caractérisé
en ce que la grandeur de réglage pour la régulation (16) de la contrainte des bords est déterminée séparément pour chaque bord (15) de bande par formation de la différence entre les différences de réglage de deux valeurs de mesure extérieures du galet de mesure (6a) de la planéité. - Dispositif pour mesurer et régler la planéité et/ou les tensions d'une bande en acier noble (1) ou d'une feuille en acier noble (1a) pour le fonctionnement en laminage à froid dans une cage de laminage à quatre cylindres (2), en particulier dans un laminoir Sendzimir à 20 cylindres (2a), présentant
un élément de mesure de la planéité (6) à la sortie de la cage de laminage à quatre cylindres (2) pour la détermination de la répartition actuelle de la planéité (22) de la bande d'acier sur sa largeur (7) sur base d'une contrainte de bande mesurée, répartie sur la largeur (7) de la bande ;
un dispositif pour la détermination d'une erreur de planéité (8, 20) par la comparaison de la répartition actuelle déterminée de la planéité (22) avec une courbe de référence prédéterminée ; et
au moins un circuit de régulation (4) comprenant un dispositif d'analyse (11) présentant un premier appareil d'analyse (11a) pour l'approximation mathématique de l'erreur de planéité captée (8, 20) et pour la décomposition de l'erreur de planéité approchée en proportions scalaires d'erreur de planéité (C1, C2, C3, C4) et comprenant en outre un premier et d'autres modules de réglage (30) disposés en aval du dispositif d'analyse et associés aux proportions d'erreur de planéité, destinés à la commande d'une multitude d'éléments de réglage (3, 14a, 17, 18, 19) de la cage de laminage à quatre cylindres (2) ; caractérisé en ce que
le premier appareil d'analyse (11a) est réalisé pour décomposer l'erreur de planéité reçue et approchée par celui-ci de manière telle que les proportions d'erreur de planéité (C1, C2, C3, C4) sont orthogonales les unes par rapport aux autres ;
le premier module de réglage (30) est prévu pour la commande d'un élément de réglage parmi la multitude d'éléments de réglage sous forme d'un moyen de réglage hydraulique (17) pour le réglage du bloc de cylindres (2b) sur base de la première proportion orthogonale reçue (C1) de l'erreur de planéité ;
les autres modules de réglage pour les autres proportions orthogonales (C2, C3, C4) de l'erreur de planéité sont à chaque fois réalisés pour mettre à disposition de proportions scalaires de grandeur de réglage ; et
un dispositif de commande (21) est prévu pour la combinaison des proportions scalaires des grandeurs de réglage reçues par les différents autres modules de réglage en mouvements de réglage appropriés pour différents éléments de réglage excentriques (14a) des cylindres d'appui extérieurs (18) de la cage de laminage à quatre cylindres parmi la multitude d'éléments de réglage. - Dispositif selon la revendication 11, caractérisé
en ce que le signal de comparaison (20) entre la courbe de référence (9) et la planéité (22) actuelle de la bande est relié via l'appareil d'analyse autonome (11b) au troisième module de réglage autonome (12c) pour une erreur résiduelle de planéité (26), dont la sortie (27) est guidée au raccord de couplage (25) pour l'élément de réglage (3) des excentriques (14a). - Dispositif selon l'une quelconque des revendications 11 ou 12, caractérisé
en ce que le signal de comparaison (20) entre la courbe de référence (9) et la planéité (22) actuelle de la bande est raccordé via un autre, troisième appareil d'analyse autonome (11 c) à un quatrième module de réglage autonome (12d) pour le contrôle du réglage de la contrainte des bords (16) et dont la sortie (28) est raccordée à l'élément de réglage (3) des cylindres intermédiaires coniques internes (19). - Dispositif selon l'une quelconque des revendications 11 à 13, caractérisé
en ce qu'un élément de mesure de la planéité (6) disposé à la sortie (5b) est raccordé au guidage de signal de la planéité (22) actuelle de la bande. - Dispositif selon l'une quelconque des revendications 11 à 14, caractérisé
en ce que pour chaque erreur de planéité (10) un régulateur dynamique individuel (30) est prévu, qui est pourvu en tant que régulateur PI (31) de bande perdue à l'entrée (32). - Dispositif selon la revendication 15, caractérisé
en ce que chaque régulateur individuel (30) sauf le premier appareil d'analyse (11a) est précédé de moyens de paramétrage adaptatifs (33) et d'un affichage de commande (34) commuté en parallèle. - Dispositif selon l'une quelconque des revendications 15 ou 16, caractérisé
en ce que des raccords (35) sont prévus pour les paramètres de réglage (Kj ; Kp) sur chaque régulateur individuel (30). - Dispositif selon l'une quelconque des revendications 15 à 17, caractérisé
en ce que les régulateurs individuels dynamiques (30) peuvent être raccordés à un pupitre pour opérateur (36). - Dispositif selon l'une quelconque des revendications 11 à 18, caractérisé
en ce que pour éliminer l'erreur résiduelle, le vecteur d'erreur résiduelle (13) interagit via des appareils de réglage de l'erreur résiduelle (37, 38, 39) à chaque fois avec les éléments de réglage (3) des excentriques (14a). - Dispositif selon la revendication 19, caractérisé
en ce que la régulation de la contrainte des bords (16) prévoit un appareil d'analyse (40) pour différentes zones de bord de bande du galet de mesure de la planéité (6a), sur lequel sont raccordés à chaque fois deux appareils de réglage de bord de bande (41, 42). - Dispositif selon la revendication 20, caractérisé
en ce que les appareils de réglage des bords de bande (41, 42) sont raccordés aux éléments de réglage (3) des cylindres intermédiaires coniques (19). - Dispositif selon l'une quelconque des revendications 20 ou 21, caractérisé
en ce que les appareils de réglage des bords de bande (41, 42) peuvent être commutés indépendamment l'un de l'autre. - Dispositif selon l'une quelconque des revendications 20 à 22, caractérisé
en qu'aux deux appareils de réglage des bords de bande (41, 42) sont à chaque fois raccordés un moyen de régulation adaptatif de la vitesse de réglage (43) et un affichage de commande (44).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004032634A DE102004032634A1 (de) | 2004-07-06 | 2004-07-06 | Verfahren und Einrichtung zum Messen und Regeln der Planheit und/oder der Bandspannungen eines Edelstahlbandes oder einer Edelstahlfolie beim Kaltwalzen in einem Vielwalzengerüst, insbesondere in einem 20-Walzen-Sendizimir-Walzwerk |
PCT/EP2005/006570 WO2006002784A1 (fr) | 2004-07-06 | 2005-06-17 | Procede et dispositif pour mesurer et regler la planeite et/ou la tension d'une courroie d'acier inoxydable ou d'un film d'acier inoxydable au cours du laminage a froid dans un laminoir a cylindres multiples, en particulier dans un laminoir sendzimir a 20 cylindres |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1763411A1 EP1763411A1 (fr) | 2007-03-21 |
EP1763411B1 true EP1763411B1 (fr) | 2011-03-30 |
Family
ID=34971319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05755571A Not-in-force EP1763411B1 (fr) | 2004-07-06 | 2005-06-17 | Procede et dispositif pour mesurer et regler la planeite et/ou la tension d'une courroie d'acier inoxydable ou d'un film d'acier inoxydable au cours du laminage a froid dans un laminoir a cylindres multiples, en particulier dans un laminoir sendzimir a 20 cylindres |
Country Status (14)
Country | Link |
---|---|
US (1) | US7797974B2 (fr) |
EP (1) | EP1763411B1 (fr) |
JP (1) | JP2008504970A (fr) |
KR (1) | KR101138715B1 (fr) |
CN (1) | CN1980752B (fr) |
AT (1) | ATE503594T1 (fr) |
BR (1) | BRPI0510241A (fr) |
CA (1) | CA2570339C (fr) |
DE (2) | DE102004032634A1 (fr) |
ES (1) | ES2361278T3 (fr) |
RU (1) | RU2333811C2 (fr) |
TW (1) | TWI344872B (fr) |
WO (1) | WO2006002784A1 (fr) |
ZA (1) | ZA200606386B (fr) |
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DE102008009902A1 (de) * | 2008-02-19 | 2009-08-27 | Sms Demag Ag | Walzvorrichtung, insbesondere Schubwalzengerüst |
CL2009000647A1 (es) * | 2008-04-04 | 2010-06-04 | Chugai Pharmaceutical Co Ltd | Composicion farmaceutica para tratar o prevenir cancer hepatico que comprende una combinacion de un agente quimioterapeutico y un anticuerpo anti-glipicano 3; agente para atenuar un efecto secundario que comprende dicho anticuerpo; metodo para tratar o prevenir un cancer hepatico de un sujeto. |
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PT2505276E (pt) * | 2011-03-28 | 2013-12-05 | Abb Research Ltd | Método de controlo de planeza para laminar uma tira e controlo para esse fim |
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TW201817745A (zh) | 2011-09-30 | 2018-05-16 | 日商中外製藥股份有限公司 | 具有促進抗原清除之FcRn結合域的治療性抗原結合分子 |
DE102012224351A1 (de) * | 2012-12-21 | 2014-06-26 | Sms Siemag Ag | Verfahren und Vorrichtung zum Wickeln eines Metallbandes |
EP2783765B1 (fr) * | 2013-03-25 | 2016-12-14 | ABB Schweiz AG | Procédé et système de commande permettant de régler la commande de la planéité dans un broyeur |
BR112016006197B1 (pt) | 2013-09-27 | 2023-04-11 | Chugai Seiyaku Kabushiki Kaisha | Método para produzir um anticorpo biespecífico de polipeptídeos |
DE102014007381A1 (de) | 2014-05-20 | 2015-07-23 | Asinco GmbH | Verfahren zum Messen und Regeln der Ebenheit eines durch Bandwalzen erzeugten Bandes |
CN104275349B (zh) * | 2014-07-02 | 2016-05-25 | 浙江富春环保新材料有限公司 | 一种具有测速调压结构的轧机 |
MA40764A (fr) | 2014-09-26 | 2017-08-01 | Chugai Pharmaceutical Co Ltd | Agent thérapeutique induisant une cytotoxicité |
KR101585804B1 (ko) * | 2014-11-28 | 2016-01-15 | 주식회사 포스코 | 냉간 압연 강판의 형상 제어 장치 및 방법 |
EP3168570A1 (fr) * | 2015-11-10 | 2017-05-17 | Primetals Technologies France SAS | Méthode de mesure de planéité d'un produit métallique et dispositif associé |
CN106269902B (zh) * | 2016-08-25 | 2019-04-23 | 新万鑫(福建)精密薄板有限公司 | 一种取向硅钢楔形板板形控制方法 |
EP3342494B1 (fr) * | 2016-12-30 | 2023-06-07 | Outokumpu Oyj | Appareil et procédé de laminage flexible de bandes métalliques |
RU2741438C1 (ru) * | 2017-07-21 | 2021-01-26 | Новелис Инк. | Системы и способы управления текстурированием поверхности металлической подложки при прокатке с малым давлением |
EP3461567A1 (fr) * | 2017-10-02 | 2019-04-03 | Primetals Technologies Germany GmbH | Dispositif de réglage de planéité doté du dispositif d'optimisation |
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CN110479770B (zh) * | 2019-08-07 | 2021-04-06 | 武汉钢铁有限公司 | 一种二十辊轧机板形的优化控制方法 |
CN113732073B (zh) * | 2020-05-29 | 2023-04-11 | 宝山钢铁股份有限公司 | 一种精轧出口带钢平直度缺陷的修正方法 |
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JPH07102380B2 (ja) * | 1990-08-30 | 1995-11-08 | 株式会社神戸製鋼所 | 多段圧延機における圧延材の形状制御方法 |
JP2558173B2 (ja) * | 1990-09-12 | 1996-11-27 | 新日本製鐵株式会社 | 微細なポアを有する炭素材の製造方法 |
JP3034928B2 (ja) * | 1990-09-19 | 2000-04-17 | 株式会社日立製作所 | 多段圧延機,クラスタ式圧延機,センジマー型多段圧延機及び多段圧延機の制御方法 |
US5255548A (en) * | 1992-03-02 | 1993-10-26 | Mesta International | Method for roller levelling of heavy plate |
SE500100C2 (sv) * | 1992-06-22 | 1994-04-18 | Asea Brown Boveri | Förfarande och anordning vid planhetsreglering av band i valsverk |
JP2677964B2 (ja) * | 1994-03-11 | 1997-11-17 | 川崎製鉄株式会社 | 圧延機の形状制御初期設定方法 |
US5680784A (en) * | 1994-03-11 | 1997-10-28 | Kawasaki Steel Corporation | Method of controlling form of strip in rolling mill |
US5758533A (en) * | 1994-04-15 | 1998-06-02 | Clecim | Imbricated roll planisher and process for its use |
CN1082851C (zh) * | 1994-07-08 | 2002-04-17 | 石川岛播磨重工业株式会社 | 兼用辊位移与辊弯曲的轧机和辊位移式轧机 |
JP3747786B2 (ja) * | 2001-02-05 | 2006-02-22 | 株式会社日立製作所 | 板材用圧延機の圧延方法及び板材用圧延設備 |
-
2004
- 2004-07-06 DE DE102004032634A patent/DE102004032634A1/de not_active Ceased
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2005
- 2005-06-17 BR BRPI0510241-3A patent/BRPI0510241A/pt not_active Application Discontinuation
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- 2005-06-17 ES ES05755571T patent/ES2361278T3/es active Active
- 2005-06-17 WO PCT/EP2005/006570 patent/WO2006002784A1/fr active Application Filing
- 2005-06-17 EP EP05755571A patent/EP1763411B1/fr not_active Not-in-force
- 2005-06-17 JP JP2007519653A patent/JP2008504970A/ja active Pending
- 2005-06-17 AT AT05755571T patent/ATE503594T1/de active
- 2005-06-17 US US11/629,505 patent/US7797974B2/en active Active
- 2005-06-17 RU RU2006135845/02A patent/RU2333811C2/ru active
- 2005-06-17 KR KR1020067021585A patent/KR101138715B1/ko active IP Right Grant
- 2005-06-17 CA CA2570339A patent/CA2570339C/fr not_active Expired - Fee Related
- 2005-06-17 DE DE502005011193T patent/DE502005011193D1/de active Active
- 2005-06-21 TW TW094120598A patent/TWI344872B/zh not_active IP Right Cessation
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101618403B (zh) * | 2008-06-30 | 2013-04-24 | 矿山机械和轧钢机械制造有限公司 | 用于确定带材的平面度误差的平面度测量辊和方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1980752B (zh) | 2013-07-24 |
WO2006002784A1 (fr) | 2006-01-12 |
KR101138715B1 (ko) | 2012-04-24 |
ES2361278T3 (es) | 2011-06-15 |
RU2333811C2 (ru) | 2008-09-20 |
RU2006135845A (ru) | 2008-04-20 |
DE102004032634A1 (de) | 2006-02-16 |
BRPI0510241A (pt) | 2007-10-23 |
CA2570339A1 (fr) | 2006-01-12 |
CA2570339C (fr) | 2011-10-11 |
CN1980752A (zh) | 2007-06-13 |
TWI344872B (en) | 2011-07-11 |
ZA200606386B (en) | 2007-11-28 |
KR20070027534A (ko) | 2007-03-09 |
ATE503594T1 (de) | 2011-04-15 |
US7797974B2 (en) | 2010-09-21 |
EP1763411A1 (fr) | 2007-03-21 |
DE502005011193D1 (de) | 2011-05-12 |
TW200602135A (en) | 2006-01-16 |
JP2008504970A (ja) | 2008-02-21 |
US20080271508A1 (en) | 2008-11-06 |
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