EP2135690A1 - 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

Info

Publication number
EP2135690A1
EP2135690A1 EP08011205A EP08011205A EP2135690A1 EP 2135690 A1 EP2135690 A1 EP 2135690A1 EP 08011205 A EP08011205 A EP 08011205A EP 08011205 A EP08011205 A EP 08011205A EP 2135690 A1 EP2135690 A1 EP 2135690A1
Authority
EP
European Patent Office
Prior art keywords
rolling
stand
mill
rolling mill
control device
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.)
Withdrawn
Application number
EP08011205A
Other languages
German (de)
English (en)
Inventor
Hans-Joachim Felkl
Andreas Maierhofer
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.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP08011205A priority Critical patent/EP2135690A1/fr
Priority to PCT/EP2009/056225 priority patent/WO2009153126A1/fr
Priority to CN2009801228722A priority patent/CN102066016B/zh
Priority to BRPI0914872A priority patent/BRPI0914872B1/pt
Priority to KR1020107028434A priority patent/KR101633524B1/ko
Priority to RU2011101732/02A priority patent/RU2494827C2/ru
Priority to PL09765706T priority patent/PL2293889T3/pl
Priority to US12/997,167 priority patent/US8731702B2/en
Priority to EP09765706.8A priority patent/EP2293889B1/fr
Publication of EP2135690A1 publication Critical patent/EP2135690A1/fr
Withdrawn legal-status Critical Current

Links

Images

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.
  • 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 term “locally simultaneous” is here meant in the sense that the ausliedernde roll stand rolls during the discharge course a certain portion of the rolling stock and the at least one other rolling mill is controlled such that during the load history, the at least one other rolling stand one and the same section of the rolling stock rolls. This correspondence can be easily reached 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 locally simultaneously for relieving the outsourcing roll stand.
  • control device locally simultaneously integrates the at least one other roll stand into the continuous rolling mill, in order to relieve the roll stand to be split off. 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 roll stand in at least one roll stand of the continuous rolling mill downstream of the rolling stand to be cast-off.
  • control device it is possible for the control device to have a section which enters into the rolling mill to be dismantled of the rolling stock prevailing train during the unloading of ausliedernden roll stand by tracking a peripheral speed of work rolls of the ausliedernden rolling mill immediately upstream, the rolling stock also rolling mill stands 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 "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 rolling stand locally simultaneously to load the rolling mill to be incorporated.
  • the statement is to be understood in such a way that the stitch decrease occurring as a result of the loading of the roll stand to be integrated leads to a corresponding reduction in the pass decrease of a single other unloaded roll stand.
  • control device spatially simultaneously outsources the at least one other roll stand from the continuous rolling mill to load the rolling mill to be incorporated.
  • 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 stand immediately preceding the roll-in to be incorporated, the rolling mill rolling mill in at least one of the Consistedernden roll stand indirectly upstream, the rolling stock also rolling mill stand of Konti-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.
  • FIG. 1 For example, only work rolls 3, 3 ', 3 "of rolling mills 1, 1', 1" are shown however, have further rolls, for example back-up rolls and intermediate rolls.
  • a rolling stock 2 passes through the continuous rolling mill.
  • the rolling stock 2 is strip-shaped, for example a sheet metal. In principle, however, the rolling stock 2 could have a different cross-sectional shape.
  • the rolling stock 2 is rolled successively in several of the rolling stands 1, 1 ', 1 "of the continuous rolling mill as it passes through the continuous rolling mill of the rolling stock 2. In principle, however, a hot rolling of the rolling stock 2 is possible. Due to the rolling of the rolling stock 2, the rolling stock 2 when leaving the continuous rolling mill on predetermined end properties, for example, predetermined final dimensions and a predetermined surface finish (in particular surface roughness). The final properties of the rolling stock 2 are different here from the initial properties of the rolled stock 2. The initial properties of the rolled 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 incorporated is the second of six rolling stands 1, 1', 1 "of the cold rolling mill
  • the rolling stand 1" to be dismantled is the fifth of the rolling stands 1, 1 ', 1 "of the continuous rolling mill. It may be both theassigliedernden and auszolplinden mill stand 1 ', 1 "to any of the rolling stands 1, 1', 1" of the continuous rolling mill, ie to 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 rolling stock 2, alternatively be arranged in front of or behind the roll stand 1 "to be removed of six rolling stands also have more or less rolling stands 1, 1 ', 1 ".
  • 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.
  • a disk 8 a CD-ROM shown schematically.
  • the data carrier 8 could be designed differently, for example as a USB memory stick or as an 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.
  • step S1 the control device 4 checks whether one of the rolling stands 1, 1 ', 1 "is to be outsourced, and if so, it is determined in a step S2 which 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 integration of the roll stand 1 'to be integrated into it and the locally simultaneous outsourcing of the roll stand 1 "to be split.
  • 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 roll stand 1 'to be incorporated and the isolated outsourcing of a roll stand 1 "to be taken apart are not permitted, but instead a rolling stand change takes place
  • FIG. 3 therefore contains only the steps S1, S2, S5, S7 and S10 of FIG. 2 ,
  • step S8 so to outsource the ausliedernden mill stand 1 "without simultaneous Eingliedern another rolling mill 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 that results in the roll stand 1" to be removed by relieving the roll stand 1 "to be taken apart 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.
  • the control device 4 controls the roll stand 1 "to be split-off in such a way that the work rolls 3" of the roll stand 1 "to be removed are lifted off the rolling stock 2.
  • the control device 4 sets the roll stand 1 "to be split-off. silent in a step S17.
  • the control device 4 controls the roll stand 1 'to be incorporated in a step S21 in such a way that a peripheral speed vU' of the work rolls 3 'of the roll stand 1' to be incorporated corresponds to a set exit speed v '* of the rolled stock 2 at the location of the roll stand 1' to be integrated.
  • controls the controller 4 additionallygliedernde roll stand 1 'in a step S22 such that the work rolls 3' of Consistornden roll stand 1 'are employed on the rolling stock 2, the rolling stock 2 in the Hägliedernden roll stand 1' but not yet rolled.
  • the work rolls 3 'of the roll stand 1' to be integrated roll off only on the rolling stock 2 without rolling (i.e., forming) the rolled stock 2.
  • control device 4 begins to load the roll stand 1 'to be integrated into a defined time load course. Locally simultaneously to load the Constant rolling mill starts the
  • Control device 4 to relieve at least one other rolling stand 1, 1 "of the continuous rolling mill according to a defined time relief curve 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 one additional step S27 one may be possible 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.
  • FIG. 6 This is essentially a combination of the procedures of FIG. 4 and FIG. 5 , In detail:
  • Steps S31 and S32 correspond to steps S21 and S22 of FIG. 5
  • Steps S33 and S34 correspond to steps S11 to S13 of FIG. 4 or S23 to S25 of FIG. 5
  • a step S35 corresponds to the step S14 of FIG. 4
  • a step S36 corresponds to the step S27 of FIG FIG. 5
  • Steps S37 to S39 correspond to steps S15 to S17 of FIG. 4 .
  • 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 work rolls 3 ', 3 "only roll off depends on the thickness of the rolled stock 2 at the location of the respective rolling stand 1', 1".
  • 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.
  • a target rolling force becomes F *, with which the ausliedernde roll stand 1 "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).
  • F * a target rolling force
  • 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 auszolmidden mill stand 1" are given.
  • 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 detachable rolling stand 1 "are determined on the basis of the speed ratio r * and the exit speeds v, v", the ratio of the outlet velocities v, v "becomes equal to the speed ratio r *.
  • the nominal circumferential velocities vU, vU" * are set correspondingly, directly or for example by means of speed regulators 11.
  • the outlet velocities v, v " It is also possible to use the corresponding target outlet speeds v *, v "*.
  • 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 roll stand 1 'to be integrated in and the roll stand 1 "to be split-off are inserted or removed in one and the same way, ie either both position-controlled or both controlled by force or both regulated by the speed relation r * to be integrated rolling stand 1 'and the ausliedernde roll stand 1 "in different ways to regulate.
  • the coordination in detail is more complicated in this case.
  • 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 rolling stand 1, however, the rolling stand 1 to be integrated or detached ', 1 "is 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 Final dimensions and surface properties are retained. No waste is produced.

Landscapes

  • 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)
EP08011205A 2008-06-19 2008-06-19 Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu Withdrawn EP2135690A1 (fr)

Priority Applications (9)

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
CN2009801228722A CN102066016B (zh) 2008-06-19 2009-05-22 具有在连续的运行中将轧机机架加入和/或分离的功能的连轧机列
BRPI0914872A BRPI0914872B1 (pt) 2008-06-19 2009-05-22 método de operação para um mecanismo de laminação contínua
KR1020107028434A KR101633524B1 (ko) 2008-06-19 2009-05-22 작동 진행 중에 롤 스탠드들이 편입 및/또는 퇴거되는 연속 압연 트레인
RU2011101732/02A RU2494827C2 (ru) 2008-06-19 2009-05-22 Непрерывный прокатный стан с введением и/или выведением прокатных клетей в процессе функционирования
PL09765706T PL2293889T3 (pl) 2008-06-19 2009-05-22 Ciąg walcowniczy ciągły z przyłączaniem i/lub odłączaniem klatek walcowniczych w czasie pracy
US12/997,167 US8731702B2 (en) 2008-06-19 2009-05-22 Continuous rolling train with integration and/or removal of roll stands during ongoing operation
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

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
EP2135690A1 true EP2135690A1 (fr) 2009-12-23

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 After (1)

Application Number Title Priority Date Filing Date
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

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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104874613A (zh) * 2015-05-27 2015-09-02 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
CN107199247A (zh) * 2016-03-18 2017-09-26 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

Families Citing this family (2)

* 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
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5431070A (en) * 1977-08-13 1979-03-07 Toshiba Corp Rearranging method for rolls of continuous rolling mill
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
US20080060403A1 (en) 2004-05-06 2008-03-13 Hans-Joachim Felkl Method for Rolling Rolling Stock Having a Transitional Region

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5431070A (en) * 1977-08-13 1979-03-07 Toshiba Corp Rearranging method for rolls of continuous rolling mill
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
US20080060403A1 (en) 2004-05-06 2008-03-13 Hans-Joachim Felkl Method for Rolling Rolling Stock Having a Transitional Region

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2620233A1 (fr) * 2012-01-24 2013-07-31 Siemens Aktiengesellschaft Procédé de traitement de produits laminés dans un laminoir
WO2013110399A1 (fr) * 2012-01-24 2013-08-01 Siemens Aktiengesellschaft Procédé de traitement de produit à laminer dans un laminoir à chaud
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
CN104874613A (zh) * 2015-05-27 2015-09-02 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
CN107199247A (zh) * 2016-03-18 2017-09-26 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
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

Also Published As

Publication number Publication date
US8731702B2 (en) 2014-05-20
CN102066016A (zh) 2011-05-18
EP2293889B1 (fr) 2013-07-03
KR101633524B1 (ko) 2016-06-24
EP2293889A1 (fr) 2011-03-16
US20110098842A1 (en) 2011-04-28
BRPI0914872A2 (pt) 2015-11-24
WO2009153126A1 (fr) 2009-12-23
RU2011101732A (ru) 2012-07-27
BRPI0914872B1 (pt) 2020-05-05
PL2293889T3 (pl) 2013-12-31
KR20110022609A (ko) 2011-03-07
CN102066016B (zh) 2013-06-12
RU2494827C2 (ru) 2013-10-10

Similar Documents

Publication Publication Date Title
EP2346625B2 (fr) Procédé de réglage d'une épaisseur de sortie d'un matériau de laminage traversant un train de laminage à plusieurs équipements, dispositif de commande et/ou de réglage et installation de laminage
EP2176010B1 (fr) Procédé pour fabriquer une bande d'acier
DE69411971T3 (de) Warmwalzwerk für Stahlblech und Walzverfahren
EP2691188B1 (fr) Procédé permettant de faire fonctionner un train de laminoir
DE102011012062B4 (de) Steuervorrichtung und Steuerverfahren für ein Walzwerk
EP0121148B1 (fr) Procédé pour la fabrication de feuillard à chaud avec section et planéité de bande de haute qualité
EP2293889B1 (fr) Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu
EP2988884B1 (fr) Procédé et cage de laminage à froid d'un produit
EP2162245B1 (fr) Laminage d'un feuillard dans un laminoir en utilisant la dernière cage du laminoir comme réducteur de traction
EP2428288B1 (fr) Procédé de fabrication de bandes en acier par laminage continu ou semi-laminage continu
EP3544751B1 (fr) Réglage de position de bande consistant à positionner des guides latéraux sur la bande métallique, avec limitation de force
EP3341142A1 (fr) Installation fonctionnant suivant le concept csp (compact strip production) et procédé de fonctionnement d'une telle installation
EP2340133B2 (fr) Procédé destiné au réglage d'une charge d'entraînement pour une multitude d'entraînements d'un train de laminage pour le laminage de matériaux de laminages, dispositif de commande et/ou de réglage, support de stockage, code de programme et installation de laminage
EP2864062B1 (fr) Procédé d'influence ciblée de la géométrie d'un produit à laminer
EP3208673B1 (fr) Étalonnage en ligne d'une emprise de laminage d'une cage de laminoir
DE3401894A1 (de) Verfahren zum herstellen von walzband mit hoher bandprofil- und bandplanheitsguete
EP1669141B1 (fr) Procédé pour le réglage de la section des fils sortant d'un train de laminage de fil et train de laminage de fil
DE10159608B4 (de) Walzverfahren für ein Band mit einer Schweißnaht
EP3231522B1 (fr) Controle robuste de tension de bande
EP1993750B1 (fr) Procede pour faire fonctionner un laminoir réversible
DE102021209261A1 (de) Verfahren zur Steuerung einer Walzgutführung in einer Walzstraße sowie Zwischengerüstführung
EP2653241A1 (fr) Procédé de fabrication pour une bande
WO2010112196A1 (fr) Installation de laminage pour le laminage en continu d'un produit laminé en bande
DE2659515A1 (de) Verfahren zur einstellung von breite und dicke beim stahl-warmwalzen
DE10218234A1 (de) Walzeinrichtung mit einer Anzahl von in einem Walzgerüst angeordneten Arbeitswalzen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

AKY No designation fees paid
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100624

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566