EP2293889B1 - Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu - Google Patents

Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu Download PDF

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Publication number
EP2293889B1
EP2293889B1 EP09765706.8A EP09765706A EP2293889B1 EP 2293889 B1 EP2293889 B1 EP 2293889B1 EP 09765706 A EP09765706 A EP 09765706A EP 2293889 B1 EP2293889 B1 EP 2293889B1
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EP
European Patent Office
Prior art keywords
roll stand
rolling
control device
integrated
load
Prior art date
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Active
Application number
EP09765706.8A
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German (de)
English (en)
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EP2293889A1 (fr
Inventor
Hans-Joachim Felkl
Andreas Maierhofer
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Siemens AG
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Siemens AG
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Priority to EP09765706.8A priority Critical patent/EP2293889B1/fr
Priority to PL09765706T priority patent/PL2293889T3/pl
Publication of EP2293889A1 publication Critical patent/EP2293889A1/fr
Application granted granted Critical
Publication of EP2293889B1 publication Critical patent/EP2293889B1/fr
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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
    • B21B37/58—Roll-force control; Roll-gap control
    • 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
    • B21B37/46—Roll speed or drive motor control
    • 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
    • B21B1/24—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 in a continuous or semi-continuous process
    • 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
    • B21B2013/003—Inactive rolling stands

Definitions

  • the present invention relates to operating methods for a continuous rolling mill comprising a number of rolling stands wherein rolling stock passing through the continuous rolling mill is successively rolled in a plurality of the rolling stands so that the rolling stock has predetermined end properties when leaving the rolling line.
  • document JP-A 62101309 discloses a method according to the preambles of claims 1 and 8, respectively
  • the present invention further relates to a computer program comprising machine code which is directly executable by a controller of a continuous rolling mill and whose execution by the controller causes the controller to operate the continuous rolling mill in accordance with such an operating method.
  • the present invention further relates to a data carrier on which such a computer program is stored in machine-readable form.
  • the present invention further relates to a control device of a continuous rolling mill programmed with such a computer program, such that the control means operates the continuous rolling mill in accordance with an operating method of the kind explained above.
  • the present invention relates to a continuous rolling train with a number of rolling stands and a control device of the type described above, wherein the rolling stands are controlled by the control device.
  • rolling stock In continuous rolling mills, rolling stock should be rolled as smoothly as possible (just continuously). Therefore, on the input side of the continuous rolling mill individual coils are attached to one another and, as a rule, connected by welding. This procedure is taken in particular during cold rolling of sheet metal, ie a strip-shaped rolling stock.
  • the object of the present invention is to provide such possibilities.
  • the fact that the ausliederernde roll stand during the discharge course rolls a certain portion of the rolling stock and the at least one other rolling stand is controlled such that during the load history, the at least one other rolling mill on and rolling the same portion of the rolling stock, hereinafter also referred to as "local Simultaneity ". Local simultaneity can be easily achieved by tracking. Tracing is well known to those skilled in the art.
  • the at least one other roll stand it is possible for the at least one other roll stand to be arranged upstream of the roll stand to be removed. However, it is also possible for the at least one other roll stand to be arranged downstream of the roll stand to be removed.
  • control device loads a single other rolling stand to compensate for the relief of the auszolrectden mill stand.
  • control device for compensating for the relief of the auszolister mill stand incorporates the at least one other rolling stand in the continuous rolling mill. In this case, so takes place a rolling stand change.
  • control device for relieving the ausliedernden mill stand a nip of the ausliedernden mill by appropriate predetermining a speed relation relative to the ausliedernden rolling mill upstream, rolling also rolling mill stand of Konti-Walzides in conjunction with acting on the employment of ausliedernden mill stand
  • Tension control for a running into the ausliedernde rolling mill section of the rolling stock leads.
  • control device for relieving the auszolister rolling stand a roll gap of the ausliedernden rolling mill position-controlled or force-controlled.
  • control means for relieving the ausliedernden mill performs a position or force control of the ausliedernden stand
  • the control means prevailing in a rolling into the ausliedernde rolling mill section train of the rolling stock during the unloading of the auszolrectden mill stand by tracking the peripheral speed of the work rolls of the spin-off rolling mill.
  • the control device preferably takes into account the tracking of the peripheral speed of the work rolls of the take-off rolling stand in at least one of the Schwarzliedernden Rolling mill downstream, the rolling stock also rolling mill stand of Konti rolling mill.
  • control device may regulate a train prevailing in a section of the rolling stock that is to be taken apart from the rolling stock to be separated by tracking a peripheral speed of work rolls of a roll stand immediately preceding the roll stand to be rolled, also rolling the rolling stand of the continuous rolling mill .
  • control device preferably takes into account the tracking of the peripheral speed of the work rolls of the rolling mill immediately upstream, the rolling stock also rolling mill in at least one of the ausliedernden mill indirectly upstream, rolling also rolling mill stand of Konti-rolling mill.
  • the term “local simultaneity” is used.
  • the term “locally simultaneous” is to be understood in the same sense as when outsourcing a rolling mill from the continuous rolling mill. Analogous to the outsourcing of a roll stand, it is also possible when incorporating a roll stand that the at least one other roll stand is arranged upstream of the rolling mill to be incorporated. However, it is also possible that the at least one other rolling stand is arranged downstream of the rolling mill to be incorporated.
  • control device relieves a single other roll stand to compensate for the load of the rolling mill to be incorporated.
  • the statement is to be understood such that the By reducing theassigliedernden rolling stand occurring Stichab farming leads to a corresponding reduction in the loss of a single other unloaded mill stand.
  • control device for compensating the load of the rolling stock to be incorporated separates the at least one other rolling stand from the continuous rolling mill.
  • the control device for loading the rolling mill to be incorporated joins a rolling gap of the rolling mill to be integrated by correspondingly specifying a speed relation relative to a rolling stand of the continuous rolling mill upstream of the rolling mill to be incorporated with a train control acting on the employment of the rolling mill to be incorporated for a section of the rolling stock entering the rolling mill to be incorporated.
  • the control device for loading the contemplatgliedernden rolling stand a roll gap of comfortably space.
  • the control device controls a train in a rolling into the Crugliedernde section of the rolling stock during the loading of Whilegliedernden roll stand by tracking the peripheral speed of the work rolls of yetgliedernden mill stand.
  • the control device preferably takes into account the tracking of the peripheral speed of the work rolls of the rolling mill to be incorporated into at least one rolling stand of the continuous rolling mill which is arranged downstream of the rolling mill to be integrated into the rolling mill.
  • control device it is possible for the control device to control a train prevailing in a section of the rolling stock to be incorporated into the rolling stock to be incorporated during the loading of the roll stand to be integrated by tracking a peripheral speed of work rolls of a rolling stand of the rolling mill immediately preceding the roll rolling of the continuous rolling mill rolling the rolling stock ,
  • control device preferably takes into account the tracking of the peripheral speed of the work rolls of the roll to be integrated directly into the rolling mill rolling mill rolling in at least one of the rolling mill devisgliedernden indirectly upstream, the rolling stock also rolling mill stand of the continuous rolling mill.
  • the computer program according to the invention has machine code whose execution by the control device causes the control device to operate the continuous rolling mill in accordance with an operating method according to the invention.
  • On the disk is stored in machine-readable form such a computer program.
  • the control device of the continuous rolling mill is programmed with a computer program according to the invention.
  • the continuous rolling mill has such a control device.
  • the rolling stock 2 passes through the continuous rolling mill 2.
  • the rolling stock 2 is strip-shaped, for example a sheet metal exhibit.
  • the rolling stock 2 is rolled successively in several of the rolling mills 1, 1 ', 1 "of the continuous rolling mill as it passes through the continuous rolling mill, in which case cold rolling of the rolled stock 2 is generally carried out. Due to the rolling of the rolling stock 2, the rolling stock 2 has predetermined final properties when exiting the continuous rolling mill, for example predetermined final dimensions and a predetermined surface finish (in particular surface roughness) Rolling stock 2 are the properties that the rolled stock 2 has when entering the continuous rolling mill.
  • the rolling stock 2 it is possible for the rolling stock 2 to be rolled in all rolling mills 1, 1 ', 1 "of the continuous rolling mill FIG. 1
  • the rolling stand 1 ' is not engaged.
  • the work rolls 3 'of this roll stand 1' are thus spaced from the rolling stock 2.
  • the rolling stand 1 'smoothly during operation of Konti-rolling mill ie while the rolled material 2 is rolled in the continuous rolling mill
  • the roll stand 1 ", which according to FIG. 1 is engaged, bum-free can be spun off during the ongoing operation of the continuous rolling mill from the continuous rolling mill.
  • the rolling mill 1 'to be integrated is the second of six rolling stands 1, 1', 1 "of the cold rolling mill.
  • the rolling mill 1" to be taken apart is the fifth of the rolling stands 1, 1 ', 1 "of the continuous rolling mill, but this illustration is purely by way of example:
  • the rolling mill 1', 1" to be incorporated as well as to be dismantled can be any of the rolling stands 1, 1 ', 1 "of the continuous rolling mill , ie around the first, second, third, etc. rolling stand 1, 1 ', 1 "of the continuous rolling mill.
  • the roll stand 1 'to be incorporated can, as seen in the running direction x of the rolled stock 2, alternatively be arranged in front of or behind the roll stand 1 "to be taken out
  • the continuous rolling line can also have more or fewer rolling stands 1, 1', 1" instead of six rolling stands.
  • the continuous rolling mill has a control device 4 which controls the rolling stands 1, 1 ', 1 ", ie the control device 4 determines how the continuous rolling mill is operated from, with the controller 4 is programmed.
  • the computer program 5 has according to FIG. 1 Machine code 6, which is directly executable by the control device 4.
  • the execution of the machine code 6 by the control device 4 causes the control device 4 to operate the continuous rolling mill in accordance with modes of operation which will be explained in more detail below in connection with the further FIG.
  • the computer program 5 can be supplied to the control device 4 in various ways.
  • the computer-computer connection 7 can be, for example, the World Wide Web or a local computer network (LAN).
  • the computer program 5 can be supplied to the control device 4 via a data carrier 8, on which the computer program 5 is stored in machine-readable form-usually digital.
  • FIG. 1 a disk 8 a CD-ROM shown schematically.
  • the disk However, 8 could be designed differently, for example as a USB memory stick or SD memory card.
  • controller 4 controls the continuous rolling mill in accordance with an operating method which will be described below in connection with FIG. 2 is explained.
  • the control device 4 checks whether one of the rolling stands 1, 1 ', 1 "is to be spun off. For example, the control device 4 can receive a corresponding input from an operator 9 for this purpose.
  • control device 4 checks in steps S3 and S4 whether one of the rolling mills 1, 1 ', 1 "is to be incorporated in the continuous rolling mill. If this is the case, the control device 4 determines in steps S5 or S6, which of the rolling stands 1, 1 ', 1 "to be incorporated. Again, a corresponding input of the operator 9 is possible again.
  • step S7 a roll stand change takes place, ie the incorporation of the roll stand 1 'to be integrated into it and the local simultaneous definition (see above) of the roll stand 1 "to be split off.
  • step S9 incorporation of the roll stand 1 'to be integrated takes place.
  • step S10 a normal rolling operation is carried out, as is well known for continuous rolling mills.
  • FIG. 3 It is possible, instead of the procedure of FIG. 2 to carry out a simplified method, which will be described below in connection with FIG. 3 is explained.
  • the main difference between the approaches of 2 and FIG. 3 is that in the approach of FIG. 3 unlike the approach of FIG. 2 the isolated incorporation of a member to be incorporated Roll stand 1 'and the isolated outsourcing of ausliedernden roll stand 1 "are not permitted, but always takes place a roll stand change FIG. 3 therefore contains only the steps S1, S2, S5, S7 and S10 of FIG. 2 ,
  • step S8 that is, for the outsourcing of ausliedernden roll stand 1 "without simultaneous incorporation of another roll stand 1 ', according to FIG. 4 proceed as follows:
  • a step S11 the control device 4 starts to relieve the roll stand 1 "to be taken out locally.
  • the control device 4 starts to load at least one other rolling stand 1, 1 'in step S11 the rolling stand 1 'is not loaded, it is (theoretically) possible to load the rolling stand 1', which is not yet loaded at the beginning, but generally only the other rolling stands 1 already in mesh and rolling the rolling stock 2 will be loaded loaded.
  • a step S12 the control device 4 continues the unloading of the roll stand 1 "to be taken out according to a defined time relief curve
  • the control device 4 controls a peripheral speed vU" of the work rolls 3 "of the roll stand 1" to be split-off such that a discharge speed v "of the rolled stock 2 , which is caused by the rolling of the rolling stock 2 in the ausliedernden mill stand 1 ", at any time with a predetermined target discharge speed v" * corresponds to the target discharge speed v "* may be alternatively constant in time or temporally variable.
  • control device 4 takes into account, in particular, the change in the overfeed which results in the roll stand 1" to be removed by relieving the roll stand 1 "to be split appropriate procedure is known per se, for example from the already mentioned US 2008/060403 A1 ,
  • the load profiles of the other roll stands 1, 1 ' are matched to the relief curve of the roll stand 1 "to be removed in such a way that the end properties of the rolled stock 2 remain. Relieving the roll stand to be split off and loading the other rolling stands 1, 1' thus has no effects the quality of the rolled stock 2.
  • step S14 the control device 4 checks whether the unloading of the roll stand 1 "to be removed is already complete. If this is not the case, the control device 4 returns to step S12, ie sets the unloading of the roll stand 1" to be taken off and the one corresponding thereto Loading the at least one other rolling mill 1, 1 'continued.
  • step S15 the control device 4 drives the rolling stand 1" to be taken out such that the correspondence of the peripheral speed vU “of the work rolls 3" of the rolling stand to be split 1 "with the target discharge speed v" * is maintained. Then, the control device 4 controls the ausliedernde mill stand 1 "such that the work rolls 3" of the spin-off rolling stand 1 "from Walzgut 2 are lifted. After lifting off the work rolls 3 "of the spin-off roll stand 1", the control device 4 sets the roll stand 1 "to be split-off in a step S17.
  • the control device 4 begins to load the roll stand 1 'to be integrated into a defined time load course. Locally simultaneously with the loading of the rolling mill to be integrated, the control device 4 begins to relieve at least one other rolling stand 1, 1 "of the continuous rolling mill according to a defined time relief curve "are matched to one another in such a way that the end properties of the rolling stock 2 are maintained.
  • a step S24 the control device 4 continues the loading of the roll stand 1 'to be integrated into the system according to the defined time load profile.
  • the control device 4 controls the peripheral speed vU 'of the work rolls 3' of the roll stand 3 'to be incorporated such that a discharge speed v' of the rolled stock 2 at the location of the rolling stand 1 'to be incorporated corresponds to the target discharge speed v' *.
  • the target discharge speed v '* may alternatively be constant in time or variable in time.
  • a step S25 the control device 4 continues the unloading of the other rolling stands 1, 1 "analogously to the loading of the rolling mill 1 'to be integrated in.
  • the control device 4 takes into account the determination of peripheral speeds vU, vU" of the work rolls 3, 3 ". the corresponding rolling mills 1, 1 “according to the respective momentary relief changing overruns of the rolling stock. 2
  • step S26 the control device 4 checks whether the roll stand 1 'to be incorporated is already fully loaded. If this is not the case, the control device 4 returns to step S24, thus continuing the loading operation of the rolling mill 1 'to be integrated and the corresponding unloading operation of the other rolling stands 1, 1. Otherwise, the starting point is the incorporation of the rolling mill to be incorporated If necessary, however, in an additional step S27, a possibly remaining speed error can be eliminated.
  • the relief to be effected is generally distributed among a plurality of other rolling stands 1, 1". In individual cases, however, it is possible that only a single other rolling stand 1, 1 "is relieved.
  • the control device 4 position-control a roll gap of the roll stand 1 "to be split-off, in order to relieve the roll stand 1" to be split-off.
  • the relief curve of the ausliedernden mill stand 1 "corresponds accordingly FIG. 7 a time course of a roll gap setpoint value p * for the roll stand 1 "to be taken off, which is raised as a function of the time t from an initial value corresponding to the predetermined time course to a final value.
  • the work rolls 3 "of the spin-off roll stand 1" no longer roll the rolling stock 2, but still roll on the rolling stock 2.
  • the loading course of the rolling mill 1 'to be incorporated runs essentially inversely to the relief course of the rolling stand 1 "to be removed.
  • the start and end values of the nip setpoint p * may be framework specific.
  • the value at which the rolling stock 2 is actively rolled, that is, a forming of the rolled stock 2 may be dependent on the stitch plan.
  • the control device 4 in order to relieve the roll stand 1 to be split off, to perform force-controlled the roll gap of the rolling stand 1 "to be split-off.
  • a target rolling force F * with which the roll stand 1 "to be split off, rolls the rolling stock 2, according to FIG. 8 lowered according to a defined time course from a relatively high initial value to a relatively low final value (zero or near zero).
  • an active rolling (forming) of the rolling stock 2 takes place.
  • no plastic forming of the rolled stock 2 takes place.
  • control device 4 to load the Constantgliedernden roll stand 1 'the roll gap of facultygliedernden mill stand 1' force-controlled lead.
  • the temporal load history is according to FIG. 8 essentially inversely to the relief curve of the spin-off roll stand 1 ".
  • the control device 4 for relieving the ausliedernden rolling mill 1 "the rolling gap of ausliedernden roll stand 1" by corresponding predetermining a speed relation r * relative to a rolling stand 1 leads.
  • the rolling stand 1 in question is arranged upstream of the roll stand 1 "to be cast-off and likewise rolls the rolling stock 2. It is therefore not a rolling stand 1 'still to be integrated in.
  • the control device 4 implements accordingly FIG.
  • a control block 10 on the one hand, the speed ratio r * as a function of time t and on the other hand, the (measured or modeled) outlet speeds v, v “of the upstream rolling mill 1 and the auszolister mill stand 1" are given.
  • the control block 10 are based on the velocity relation r * and the outgoing speeds v, v "the target peripheral speed vU * for the work rolls 3 of the upstream rolling stand 1 and / or the target peripheral speed vU” * for the work rolls 3 "of the extractable rolling stand 1" determined such that the ratio of the outlet velocities v, v "equal
  • the desired circumferential speeds vU, vU “* are set correspondingly, directly or for example by means of speed controllers 11.
  • the exit speeds v, v " the corresponding target exit speeds v *, v" * can also be used.
  • the train ZA must be regulated to a predetermined reference train Z * in front of the dismantling rolling stand 1 "This is effected by the control device 4 realizing a draft regulator 12 which acts by means of a corresponding correction signal ⁇ s * on the setting of the rolling mill 1" to be split.
  • the detection of the train ZA takes place here by means of a suitable detection element 13.
  • the speed ratio r * according to FIG. 9 gradually decreased from a value greater than one to the value one according to the predetermined time course.
  • the tension control which acts on the employment of the ausliedernden mill stand 1 "results in this case, the degree of deformation by itself. The corresponding procedure is known to those skilled in cold rolling of strips per se.
  • the rolling mill 1 'to be integrated in and the rolling stand 1 "to be split-off are switched on and off in one and the same way, ie either are position-controlled or both controlled by force or both regulated by the speed relation r *.
  • the roll stand 1 'to it is possible to regulate the roll stand 1 'to be incorporated and the roll stand 1 "to be taken apart in different ways from one another, but the coordination in detail is more complicated in this case.
  • the train ZA in the respective rolling mill 1', 1" immediately upstream section of the rolling stock 2 must be controlled. This is preferably done by switching to a rolling speed a correction value ⁇ v *.
  • the correction value ⁇ v * can according to FIG. 11 be switched, that the control device 4, the peripheral speed vU ', vU "of the contemplatgliedernden rolling mill 1' and the spin-off rolling mill 1" controls.
  • control device 4 takes into account the tracking of the peripheral speed vU ', vU "of the work rolls 3', 3" of the roll stand 1 'to be incorporated or of the roll stand 1 "to be cast-off in at least one rolling stand 1, which also rolls the rolled stock 2, the part to be incorporated or ausliedernden mill stand 1 ', 1 ", however, is arranged downstream.
  • the control device 4 can regulate the tension ZA in the section of the rolling stock 2 entering the corresponding roll stand 1 ', 1 "by virtue of the correction value ⁇ v * of the peripheral speed vU of the work rolls 3 of the respective rolling stand 1'. , 1 "directly upstream, the rolling stock 2 also rolling mill 1 tracks and thus corrects its peripheral speed vU.
  • the control device 4 takes into account the tracking of the peripheral speed vU of the work rolls 3 of the immediately upstream roll stand 1 in at least one further roll stand 1, in which the rolling stock 2 is also rolled, the latter roll stand 1 However, the incoming or ausliedernden rolling mill 1 ', 1 "only indirectly upstream.
  • the present invention has many advantages.
  • it is possible to insert and remove rolling stands 1, 1 ', 1 "during continuous operation of the continuous rolling mill, so that the desired high availability of the continuous rolling mill is retained despite the fact that it is inserted and removed no rolling defects
  • the desired final dimensions and surface properties are retained and no rejects are produced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Rolling (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (18)

  1. Procédé pour faire fonctionner un train de laminoir continu, qui a un certain nombre de cages ( 1, 1', 1" ) de laminoir, un produit ( 2 ) à laminer passant dans le train de laminoir continu étant laminé successivement dans plusieurs ( 1, 1" ) des cages ( 1, 1', 1" ) de laminoir, de sorte que le produit ( 2 ) à laminer ait, en quittant le train de laminoir, des propriétés finales déterminées à l'avance, caractérisé en ce que, pour détacher l'une ( 1" ) des cages ( 1, 1" ) de laminoir laminant le produit ( 2 ) à laminer du train de laminoir continu pendant le laminage du produit ( 2 ) à laminer, on prend les mesures suivantes :
    - un dispositif ( 4 ) de commande du train de laminoir continu commande la cage ( 1" ) de laminoir à détacher, de manière à décharger complètement la cage ( 1" ) de laminoir à détacher, suivant une loi définie de déchargement en fonction du temps, de sorte que la cage ( 1" ) de laminoir à détacher lamine pendant le déchargement une partie déterminée du produit ( 2 ) à laminer,
    - le dispositif ( 4 ) de commande commande au moins une autre des cages ( 1, 1' ) de laminoir du train de laminoir continu, de manière à ce que la au moins une autre cage ( 1, 1' ) de laminoir soit chargée suivant une loi définie de chargement en fonction du temps, le déchargement de la cage ( 1" ) de laminoir à détacher et le chargement de la au moins une autre cage ( 1, 1' ) de laminoir étant adaptés l'un à l'autre, de manière à ce que pendant le déchargement, la au moins une autre cage ( 1, 1' ) de laminoir lamine la seule et même partie du produit ( 2 ) à laminer que la cage ( 1" ) de laminoir à détacher pendant le déchargement et de manière à ce que les propriétés finales du produit ( 2 ) à laminer restent conservées,
    - le dispositif ( 4 ) de commande commande une vitesse ( vU" ) périphérique des cylindres ( 3" ) de travail de la cage ( 1" ) de laminoir à détacher jusqu'à son déchargement complet, de manière à ce qu'une vitesse ( v" ) de sortie du produit ( 2 ) à laminer, provoquée par le laminage du produit ( 2 ) à laminer dans la cage ( 1" ) de laminage à détacher, corresponde à tout instant à une vitesse ( v"* ) de sortie de consigne déterminée à l'avance,
    - le dispositif ( 4 ) de commande commande la cage ( 1" ) de laminoir à détacher après son déchargement complet, en conservant une correspondance de la vitesse ( vU" ) périphérique des cylindres ( 3" ) de travail avec la vitesse ( v"* ) de sortie de consigne, de manière à ce que les cylindres ( 3" ) de travail de la cage ( 1" ) de laminoir à détacher soient soulevés du produit ( 2 ) à laminer et ensuite arrêtent la cage ( 1" ) de laminoir à détacher.
  2. Procédé suivant la revendication 1,
    caractérisé en ce que le dispositif ( 4 ) de commande charge une autre cage ( 1' ) de laminoir unique pour la compensation du déchargement de la cage ( 1" ) de laminoir à détacher.
  3. Procédé suivant la revendication 1 ou 2,
    caractérisé en ce que le dispositif ( 4 ) de commande rattache au train de laminoir continu la au moins une autre cage ( 1' ) de laminoir pour la compensation de la décharge de la cage ( 1" ) de laminoir à détacher.
  4. Procédé suivant la revendication 1, 2 ou 3,
    caractérisé en ce que le dispositif ( 4 ) de commande règle pour la décharge de la cage ( 1" ) de laminoir à détacher, une emprise de la cage ( 1" ) de laminoir à détacher en prescrivant en conséquence une relation ( r* ) de vitesse relative à une cage ( 1 ) de laminoir laminant également le produit ( 2 ) à laminer et montée en amont de la cage ( 1" ) de laminoir à détacher du train de laminoir continu en liaison avec une régulation de la traction, agissant sur le serrage de la cage ( 1" ) de laminoir à détacher, pour une partie du produit ( 2 ) à laminer entrant dans la cage ( 1" ) de laminoir à détacher.
  5. Procédé suivant la revendication 1, 2 ou 3,
    caractérisé en ce que le dispositif ( 4 ) de commande commande, d'une manière régulée en position ou en force pour la décharge de la cage ( 1" ) de laminoir à détacher, une emprise de la cage ( 1" ) de laminoir à détacher.
  6. Procédé suivant la revendication 5,
    caractérisé
    - en ce que le dispositif ( 4 ) de commande règle une traction ( ZA ) régnant dans une partie du produit ( 2 ) à laminer entrant dans la cage ( 1" ) de laminoir à détacher pendant le déchargement de la cage ( 1" ) de laminoir à détacher, en suivant la vitesse ( vU" ) périphérique des cylindres ( 3" ) de travail de la cage ( 1" ) de laminoir à détacher et
    - en ce que le dispositif ( 4 ) de commande prend en considération le suivi de la vitesse ( vU" ) périphérique des cylindres ( 3" ) de travail de la cage ( 1" ) de laminoir à détacher dans au moins une cage ( 1 ) de laminoir du train de laminoir continu en aval de la cage ( 1" ) de laminoir à détacher et laminant également le produit ( 2 ) à laminer.
  7. Procédé suivant la revendication 5,
    caractérisé
    - en ce que le dispositif ( 4 ) de commande règle une traction ( ZA ) régnant dans une partie du produit ( 2 ) à laminer entrant dans la cage ( 1" ) de laminoir à détacher pendant le déchargement de la cage ( 1" ) de laminoir à détacher, en suivant une vitesse ( vU ) périphérique de cylindres ( 3 ) de travail d'une cage ( 1 ) de laminoir du train de laminoir continu montée juste en amont de la cage ( 1" ) de laminoir à détacher et laminant également le produit ( 2 ) à laminer et
    - en ce que le dispositif ( 4 ) de commande prend en compte le suivi de la vitesse ( vU ) périphérique des cylindres ( 3 ) de travail de la cage ( 1 ) de laminoir directement en amont de la cage ( 1" ) de laminoir à détacher et laminant également le produit ( 2 ) à laminer, dans au moins une cage ( 1 ) de laminoir du train de laminoir continu immédiatement en amont de la cage ( 1" ) de laminoir à détacher et laminant également le produit ( 2 ) à laminer.
  8. Procédé pour faire fonctionner un train de laminoir continu, qui a un certain nombre de cages ( 1, 1', 1" ) de laminoir, un produit ( 2 ) à laminer passant dans le train de laminoir continu étant laminé successivement dans plusieurs ( 1, 1" ) des cages ( 1, 1', 1" ) de laminoir, de sorte que le produit ( 2 ) à laminer ait, en quittant le train de laminoir, des propriétés finales déterminées à l'avance, notamment procédé suivant l'une des revendications précédentes, caractérisé en ce que, pour rattacher une cage ( 1' ) de laminoir ne laminant pas le produit ( 2 ) à laminer au train de laminoir continu pendant le laminage du produit ( 2 ) à laminer, on prend les mesures suivantes :
    - un dispositif ( 4 ) de commande du train de laminoir continu commande la cage ( 1' ) de laminoir à rattacher, de manière à ce qu'une vitesse ( vU' ) périphérique de cylindres ( 3' ) de travail de la cage ( 1' ) de laminoir à rattacher corresponde à l'emplacement de la cage 1' ) de laminoir à rattacher à une vitesse ( v'* ) de sortie de consigne du produit ( 2 ) à laminer et commande ensuite la cage ( 1' ) de laminoir à rattacher, de manière à ce que les cylindres ( 3' ) de travail soient serrés sur le produit ( 2 ) à laminer, mais ne laminent pas encore le produit ( 2 ) à laminer dans la cage ( 1' ) de laminoir à rattacher,
    - le dispositif ( 4 ) de commande commande la cage ( 1' ) de laminoir à rattacher après le serrage des cylindres ( 3' ) de travail de la cage ( 1' ) de laminoir à rattacher sur le produit ( 2 ) à laminer, de manière à ce que la cage ( 1' ) de laminoir à rattacher soit chargée suivant une loi de chargement en fonction du temps définie, de sorte que la cage ( 1' ) de laminoir à rattacher lamine pendant le chargement une partie déterminée du produit ( 2 ) à laminer,
    - le dispositif ( 4 ) de commande commande au moins une autre des cages ( 1, 1" ) de laminoir du train de laminoir continu, de manière à ce que la au moins une autre cage ( 1, 1" ) de laminoir soit déchargée suivant une loi de déchargement en fonction du temps définie, le chargement de la cage ( 1' ) de laminoir à rattacher et le déchargement de la au moins une autre cage ( 1, 1" ) de laminoir étant adaptés l'un à l'autre, de manière à ce que, pendant le déchargement, la au moins une autre cage ( 1, 1" ) de laminoir lamine la seule et même partie du produit ( 2 ) à laminer que la cage ( 1" ) de laminoir à rattacher pendant le chargement et de manière à ce que les propriétés finales du produit ( 2 ) à laminer restent conservées,
    - le dispositif ( 4 ) de commande commande la vitesse ( vU' ) périphérique des cylindres ( 3' ) de travail de la cage ( 1' ) de laminoir à rattacher en fonction de la charge, de manière à ce qu'une vitesse ( v' ) de sortie, provoquée par le laminage du produit ( 2 ) à laminer dans la cage ( 1' ) de laminoir à rattacher, du produit ( 2 ) à laminer à l'emplacement de la cage ( 1 ) de laminoir à rattacher, corresponde à chaque instant à la vitesse ( v'* ) de sortie de consigne.
  9. Procédé suivant la revendication 8,
    caractérisé en ce que le dispositif ( 4 ) de commande charge une autre cage ( 1' ) de laminoir unique pour la compensation du chargement de la cage ( 1" ) de laminoir à rattacher.
  10. Procédé suivant la revendication 8 ou 9,
    caractérisé en ce que le dispositif ( 4 ) de commande détache au train de laminoir continu la au moins une autre cage ( 1' ) de laminoir pour la compensation de la décharge de la cage ( 1" ) de laminoir à rattacher.
  11. Procédé suivant la revendication 8, 9 ou 10,
    caractérisé en ce que le dispositif ( 4 ) de commande règle pour la décharge de la cage ( 1" ) de laminoir à rattacher, une emprise de la cage ( 1" ) de laminoir à rattacher en prescrivant en conséquence une relation ( r* ) de vitesse relative à une cage ( 1 ) de laminoir laminant également le produit ( 2 ) à laminer et montée en amont de la cage ( 1" ) de laminoir à détacher du train de laminoir continu en liaison avec une régulation de la traction, agissant sur le serrage de la cage ( 1" ) de laminoir à rattacher, pour une partie du produit ( 2 ) à laminer entrant dans la cage ( 1" ) de laminoir à rattacher.
  12. Procédé suivant la revendication 8, 9 ou 10,
    caractérisé en ce que le dispositif ( 4 ) de commande commande, d'une manière régulée en position ou en force pour la décharge de la cage ( 1" ) de laminoir à rattacher, une emprise de la cage ( 1" ) de laminoir à rattacher.
  13. Procédé suivant la revendication 12,
    caractérisé
    - en ce que le dispositif ( 4 ) de commande règle une traction ( ZA ) régnant dans une partie du produit ( 2 ) à laminer entrant dans la cage ( 1" ) de laminoir à rattacher pendant le déchargement de la cage ( 1" ) de laminoir à rattacher, en suivant la vitesse ( vU" ) périphérique des cylindres ( 3" ) de travail de la cage ( 1" ) de laminoir à rattacher et
    - en ce que le dispositif ( 4 ) de commande prend en considération le suivi de la vitesse ( vU" ) périphérique des cylindres ( 3" ) de travail de la cage ( 1" ) de laminoir à rattacher dans au moins une cage ( 1 ) de laminoir du train de laminoir continu en aval de la cage ( 1" ) de laminoir à rattacher et laminant également le produit ( 2 ) à laminer.
  14. Procédé suivant la revendication 12,
    caractérisé
    - en ce que le dispositif ( 4 ) de commande règle une traction ( ZA ) régnant dans une partie du produit ( 2 ) à laminer entrant dans la cage ( 1" ) de laminoir à rattacher pendant le déchargement de la cage ( 1" ) de laminoir à rattacher, en suivant une vitesse ( vU ) périphérique de cylindres ( 3 ) de travail d'une cage ( 1 ) de laminoir du train de laminoir continu montée juste en amont de la cage ( 1" ) de laminoir à rattacher et laminant également le produit ( 2 ) à laminer et
    - en ce que le dispositif ( 4 ) de commande prend en compte le suivi de la vitesse ( vU ) périphérique des cylindres ( 3 ) de travail de la cage ( 1 ) de laminoir directement en amont de la cage ( 1" ) de laminoir à rattacher et laminant également le produit ( 2 ) à laminer, dans au moins une cage ( 1 ) de laminoir du train de laminoir continu immédiatement en amont de la cage ( 1" ) de laminoir à rattacher et laminant également le produit ( 2 ) à laminer.
  15. Programme d'ordinateur, qui a un code machine ( 6 ), qui peut être exécuté directement par un dispositif ( 4 ) de commande d'un train de laminoir continu et dont l'exécution par le dispositif ( 4 ) de commande fait que le dispositif ( 4 ) de commande fait fonctionner le train de laminoir continu suivant un procédé de fonctionnement selon l'une des revendications précédentes.
  16. Support de données, sur lequel un programme ( 5 ) d'ordinateur suivant la revendication 15 est mémorisé sous une forme pouvant être exécuté par une machine.
  17. Dispositif de commande d'un train de laminoir continu, qui est programmé par un programme ( 5 ) d'ordinateur suivant la revendication 15, de sorte que le dispositif de commande fait fonctionner le train de laminoir continu suivant un procédé de fonctionnement suivant l'une des revendications 1 à 14.
  18. Train de laminoir continu ayant un certain nombre de cages ( 1', 1" ) de laminoir et un dispositif ( 4 ) de commande suivant la revendication 17, les cages ( 1, 1', 1" ) de laminoir étant commandées par le dispositif ( 4 ) de commande.
EP09765706.8A 2008-06-19 2009-05-22 Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu Active EP2293889B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09765706.8A EP2293889B1 (fr) 2008-06-19 2009-05-22 Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu
PL09765706T PL2293889T3 (pl) 2008-06-19 2009-05-22 Ciąg walcowniczy ciągły z przyłączaniem i/lub odłączaniem klatek walcowniczych w czasie pracy

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08011205A EP2135690A1 (fr) 2008-06-19 2008-06-19 Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu
PCT/EP2009/056225 WO2009153126A1 (fr) 2008-06-19 2009-05-22 Train de laminage continu avec insertion et/ou retrait de cages de laminoir en cours de fonctionnement
EP09765706.8A EP2293889B1 (fr) 2008-06-19 2009-05-22 Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu

Publications (2)

Publication Number Publication Date
EP2293889A1 EP2293889A1 (fr) 2011-03-16
EP2293889B1 true EP2293889B1 (fr) 2013-07-03

Family

ID=39720527

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08011205A Withdrawn EP2135690A1 (fr) 2008-06-19 2008-06-19 Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu
EP09765706.8A Active EP2293889B1 (fr) 2008-06-19 2009-05-22 Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08011205A Withdrawn EP2135690A1 (fr) 2008-06-19 2008-06-19 Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu

Country Status (8)

Country Link
US (1) US8731702B2 (fr)
EP (2) EP2135690A1 (fr)
KR (1) KR101633524B1 (fr)
CN (1) CN102066016B (fr)
BR (1) BRPI0914872B1 (fr)
PL (1) PL2293889T3 (fr)
RU (1) RU2494827C2 (fr)
WO (1) WO2009153126A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2581142A1 (fr) * 2011-10-13 2013-04-17 Siemens Aktiengesellschaft Procédé de détermination d'une vitesse de produits à laminer
EP2620233A1 (fr) * 2012-01-24 2013-07-31 Siemens Aktiengesellschaft Procédé de traitement de produits laminés dans un laminoir
EP2777832A1 (fr) 2013-03-13 2014-09-17 Siemens VAI Metals Technologies GmbH Dispositif de mise en rotation de cylindres de travail d'un laminoir et méthode de changement des dits cylindres
CN104384201B (zh) * 2014-10-13 2016-04-27 南京钢铁股份有限公司 一种避免轧钢过程压下分配变化较大的方法
CN104874613B (zh) * 2015-05-27 2016-11-23 武汉科技大学 通过轧机速度补偿实现热连轧机架间秒流量平衡的方法
CN107199247B (zh) * 2016-03-18 2019-09-17 上海梅山钢铁股份有限公司 一种五机架冷连轧机缺机架轧制的控制方法

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JPS5431070A (en) * 1977-08-13 1979-03-07 Toshiba Corp Rearranging method for rolls of continuous rolling mill
JPS5561306A (en) * 1978-11-01 1980-05-09 Mitsubishi Electric Corp Changing system for rolling schedule while running rolling stand
SU986532A1 (ru) 1981-07-16 1983-01-07 Особое проектно-конструкторское бюро Научно-производственного объединения "Черметавтоматика" Устройство дл автоматического регулировани толщины полосы на непрерывном стане гор чей прокатки
JPS62101309A (ja) * 1985-10-29 1987-05-11 Ishikawajima Harima Heavy Ind Co Ltd ロ−ルシフト方法
JPS62289306A (ja) * 1987-05-29 1987-12-16 Hitachi Ltd 連続タンデム圧延機の走間ロール交換制御方法
DE4232685A1 (de) * 1992-09-29 1994-03-31 Siemens Ag Vorrichtung zum Regeln der Drehzahlen der Walzen eines Walzwerkes
DE4309986A1 (de) * 1993-03-29 1994-10-06 Schloemann Siemag Ag Verfahren und Vorrichtung zum Walzen eines Walzbandes
KR100241167B1 (ko) * 1995-04-18 2000-03-02 에모토 간지 연속열간압연에 있어서의 강편접합부의 압연방법
DE19831481A1 (de) * 1998-07-14 2000-01-20 Schloemann Siemag Ag Walzverfahren für stabförmiges Walzgut, insbesondere Stabstahl oder Draht
US20040122547A1 (en) * 2002-12-20 2004-06-24 Seymour Sydney Keith Equipment and methods for manufacturing cigarettes
RU2264873C2 (ru) 2004-02-05 2005-11-27 Делюсто Лев Георгиевич Способ холодной прокатки полос
DE102004022334A1 (de) 2004-05-06 2005-12-01 Siemens Ag Verfahren zum Walzen eines Walzgutes mit Übergangsbereich
CN100484653C (zh) * 2007-04-17 2009-05-06 山西太钢不锈钢股份有限公司 特殊钢热轧变增益压下的控制方法

Also Published As

Publication number Publication date
BRPI0914872A2 (pt) 2015-11-24
CN102066016A (zh) 2011-05-18
EP2135690A1 (fr) 2009-12-23
US20110098842A1 (en) 2011-04-28
KR101633524B1 (ko) 2016-06-24
KR20110022609A (ko) 2011-03-07
RU2011101732A (ru) 2012-07-27
RU2494827C2 (ru) 2013-10-10
EP2293889A1 (fr) 2011-03-16
WO2009153126A1 (fr) 2009-12-23
PL2293889T3 (pl) 2013-12-31
US8731702B2 (en) 2014-05-20
BRPI0914872B1 (pt) 2020-05-05
CN102066016B (zh) 2013-06-12

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