EP2527052A1 - Procédé de fonctionnement pour une voie de laminage - Google Patents

Procédé de fonctionnement pour une voie de laminage Download PDF

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Publication number
EP2527052A1
EP2527052A1 EP11167282A EP11167282A EP2527052A1 EP 2527052 A1 EP2527052 A1 EP 2527052A1 EP 11167282 A EP11167282 A EP 11167282A EP 11167282 A EP11167282 A EP 11167282A EP 2527052 A1 EP2527052 A1 EP 2527052A1
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EP
European Patent Office
Prior art keywords
rolling
flat
control computer
stock
wedge
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Withdrawn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
EP11167282A
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German (de)
English (en)
Inventor
Matthias Kurz
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46025692&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2527052(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP11167282A priority Critical patent/EP2527052A1/fr
Priority to PCT/EP2012/057814 priority patent/WO2012159849A1/fr
Priority to EP12718185.7A priority patent/EP2691188B1/fr
Priority to CN201280024747.XA priority patent/CN103547383B/zh
Priority to US14/119,986 priority patent/US9586245B2/en
Priority to BR112013030000A priority patent/BR112013030000A2/pt
Publication of EP2527052A1 publication Critical patent/EP2527052A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/68—Camber or steering control for strip, sheets or plates, e.g. preventing meandering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2263/00—Shape of product
    • B21B2263/02—Profile, e.g. of plate, hot strip, sections

Definitions

  • the present invention further relates to a computer program comprising machine code which is directly executable by a control computer for a rolling mill for rolling a flat rolled material and whose execution by the control computer causes the control computer to operate the rolling mill according to such an operating method.
  • the present invention further relates to a rolling mill rolling mill control unit for rolling a flat rolled material, the control calculator being configured to operate the rolling mill train according to such an operation method.
  • the present invention further relates to a rolling mill for rolling a flat rolled stock, which is equipped with such a control computer.
  • the estimated sizes in conjunction with the initial rolling data describing the flat rolling stock before rolling in the rolling stand, and the stand data of the rolling stand, describe the rolling gap resulting from rolling the flat rolled stock in the rolling stand.
  • the control computer As part of the stitch plan calculation based on the initial data, the scaffolding data and the set sizes by a model expected sizes expected for the flat rolling stock, when the flat rolling is rolled in the rolling stand with the sizes set.
  • the control computer varies in the context of Stichplanbetician according to a strategy at least one of the scheduled sizes, so that the determined expected sizes are at least approximated the end sizes.
  • the control computer transfers the variables determined within the stitch plan to a basic automation of the rolling stand, so that the flat rolling stock is rolled in the roll stand according to the varied sizes.
  • From the DE 10 2009 043 400 A1 is a concept for model-based determination of actuator setpoints for a hot strip mill with multiple rolling stands known. With this concept, a desired target contour of the rolling column of the stands can be set when the actuator setpoint values are executed.
  • a desired speed wedging of the hot strip is specified after each stand.
  • values for strip thickness contours at the outlets of the frameworks are determined with the aid of flatness models.
  • material flow models are used to determine the rolling force distributions to be applied to each stand.
  • the target contour for the tape drive members is determined.
  • the actuator setpoint values are calculated from the target contour for each scaffold with the aid of an optimization method.
  • the shape of the rolling stock is an important factor from the beginning of the process on all intermediate steps. Besides thickness, width, profile and flatness, the wedges (i.e., the asymmetric portion of the thickness across the width of the flat rolled stock) and the saberiness (i.e., the curvature of the flat rolled stock in the rolling plane) are also important parameters. Both a wedge and a saber are undesirable because these sizes (if different from 0) make the further process steps more difficult and even impossible or even result in rejects.
  • the flat rolling stock already has a thickness wedge
  • the pivoting is performed manually by an operator due to the observation of the rolling stock.
  • the object of the present invention is to provide possibilities by means of which an outlet wedge and / or an expiring saber can be specifically predicted and adjusted.
  • the sizes describing the rolling of the flat rolled stock in the rolling stand can be determined as needed. In particular, they can be characteristic at least for the total rolling force, the rolling force difference between the drive and operating side, the difference in employment between the drive and operating side and at least one further rolling stand size influencing the roll contour and possibly the offset of the flat rolled material relative to the rolling mill center.
  • the other roll stand sizes can also be determined as needed.
  • they may comprise a roll-back force and / or a crown of rolls of the roll stand and / or an entanglement and / or a displacement of the rolls of the roll stand against each other.
  • the sizes describing the rolling of the flat rolling stock in the roll stand can be supplemented by further sizes.
  • the further variables may include, for example, the on and / or the outgoing side train in the flat rolling stock and / or the corresponding differences between the drive and operating side and / or the corresponding distributions over the width of the flat rolling stock.
  • the roll contour fraction can be particularly efficiently, i. with relatively little computational effort to be determined.
  • the framework parameters of the rolling stand for the drive and the operating side each comprise their own springing characteristic.
  • the initial data may be purely symmetrical data, for example characterizing the average thickness and the average strength of the flat rolled stock.
  • the initial data additionally comprise variables which are characteristic of a strength wedge-for example a temperature wedge-and / or for a thickness wedge and / or for a (inlet-side) saber of the flat rolling stock.
  • the target discharge wedge and / or the target saber are fixedly assigned to the control computer.
  • the target discharge wedge and / or the target saber can be set to 0.
  • the target discharge wedge and / or the target saber be explicitly specified to the control computer.
  • the control computer determines the target discharge wedge using the initial data of the flat rolling stock. In this case, the control computer can in particular maintain the relative wedge, ie the ratio of thickness wedge to average thickness of the flat rolling stock.
  • the wedge strategy is fixed to the control computer.
  • the wedge strategy can be set such that the relative wedge is always obtained.
  • the control computer determined over the length of the flat rolled material for several positions respectively the discharge wedge and varies according to the wedge strategy at least one of the scheduled sizes. This procedure is particularly advantageous when the flat rolling stock is a band. However, it is equally applicable if the flat rolling stock is a heavy plate.
  • the object of the invention is further achieved by a computer program of the type mentioned.
  • the computer program is designed in this case such that the control computer executes an operating method with all steps of an operating method according to the invention.
  • control computer for a rolling train for rolling a flat rolling stock which is designed such that it carries out such an operating method during operation.
  • the object is further achieved by a rolling mill for rolling a flat rolling stock, which is equipped with such a control computer.
  • FIG. 1 shows a rolling mill for rolling a flat rolling stock 1.
  • the rolling mill is according to FIG. 1 designed as multi-stand rolling train, which has several - usually four to eight - rolling stands 2.
  • the rolling stands 2 of the rolling mill the flat rolling stock 1 is rolled.
  • the rolling train is equipped with a control computer 3.
  • the control computer 3 is designed such that it operates the rolling train according to an operating method with all the steps of an operating method according to the invention.
  • the operating method according to the invention will be explained in more detail below.
  • the corresponding design of the control computer 3 is effected by a computer program 4, with which the control computer 3 is programmed.
  • the computer program 4 can for this purpose on a suitable disk 5 - purely exemplary is the disk in FIG. 1 as a USB memory stick - be saved.
  • the storage on the data carrier 5 is in machine-readable form, as a rule in an exclusively machine-readable form, for example in electronic form.
  • the computer program 4 comprises machine code 6.
  • the machine code 6 can be processed directly by the control computer 3.
  • the processing of the machine code 6 by the control computer 3 causes the control computer 3 to operate the rolling train according to the operating method according to the invention.
  • FIG. 2 - is always complementary FIG. 1 with - are the control computer 3 in a step S1 set framework data.
  • the framework data describe framework parameters of a rolling mill 2 executing a specific rolling process, in particular its spring-back characteristic.
  • the control computer 3 for the specific rolling process in the specific rolling mill 2 initial data are known, which describe the flat rolling stock 1 before rolling in the respective rolling stand 2.
  • the initial data include at least the width b, the average thickness d and a characteristic of the average strength of the flat rolled material 1 size, for example, the temperature T. It is possible that the initial data to the control computer 3 are specified from the outside. Alternatively, it is possible for the control computer 3 to determine the initial data itself. For example, the initial data may result, in whole or in part, from a previous rolling operation that is performed prior to the rolling process now under consideration. This will be explained later. It is possible for the control computer 3 to carry out the step S2 as part of a passplan calculation.
  • a step S3 the control computer 3 sets in the context of Stichplanbetician sizes that describe the rolling of the flat rolled stock 1 in the respective rolling stand 2. Due to the fact that the control computer 3 executes the step S3 in the stitch plan calculation, the control computer 3 executes the step S3 before starting rolling of the rolling stock 1 in the corresponding rolling mill 2.
  • the stated sizes describe, in conjunction with the initial data d, b, T of the flat rolling stock 1 and the framework data of the respective rolling stand 2, the roll gap, which results in the respective rolling stand 2 during rolling of the flat rolling stock 1. They further describe the asymmetry of the roll gap seen in the direction of the roll axes.
  • the control computer 3 is therefore able to determine in a step S4 within the stitch plan calculation on the basis of the initial data b, d, T, the framework data and the applied variables by means of a wedge model 7 an outlet wedge K, which is expected for the flat rolling stock 1 when the flat rolling stock 1 is rolled in the respective stand 2 with the sizes set.
  • a saber K ' can be determined by means of the wedge model 7, which is expected for the flat rolling stock 1 when the flat rolled stock 1 is rolled in the rolling stand 2 with the sizes set.
  • the wedge model 7 comprises mathematical-physical equations by means of which the behavior of the rolling stand 2 and of the flat rolling stock 1 is described. It is also realized by the computer program 4 or the machine code 6.
  • the term "outlet wedge” has the following meaning: An outlet wedge is the asymmetrical portion of the thickness function seen over the bandwidth b.
  • the term “saber” means the curvature of the flat rolled stock 1 to the side.
  • a step S5 the control computer 3 varies as part of the stitch plan calculation according to a wedge strategy at least one of the set sizes.
  • the variation takes place in such a way that the determined discharge wedge K is at least approximated to a desired discharge wedge.
  • the determination can be made such that the saber K 'is approximated to a target saber.
  • a step S6 the control computer 3 transfers the variables determined in the stitch plan calculation to a basic automation 8 of the respective rolling stand 2.
  • the functional dependencies of the outlet wedge K and / or the saber K ' are additionally transferred from the set sizes.
  • the basic automation 8 is thereby able to roll the respective rolling stand 2 in accordance with the varied sizes, while the flat rolling stock 1 passes through the respective rolling stand 2.
  • the step S6 is also executed by the control computer 3 before the flat rolling stock 1 is rolled in the respective rolling stand 2.
  • FIG. 3 includes steps S11 to S16.
  • the steps S11 to S16 are similar to the steps S1 to S6 of FIG FIG. 2 , However, the steps S11 to S16 show more detailed configurations than the steps S1 to S6.
  • steps S11 to S16 can be implemented independently of one another. It is not necessary, for example, to combine the more concrete embodiment of step S11 with the more concrete embodiment of step S13.
  • the sequence of steps S11 and S2 to S6 could be combined or the Sequence of steps S1, S2, S13 and S4 to S6 and the like.
  • step S11-analogous to step S1-the framework data are specified.
  • the framework parameters of the rolling stand 2 - separately for the drive and the operating side - each have their own springing characteristic.
  • step S12 the control computer 3 becomes aware of the quantities b, d, T already mentioned in connection with step S2.
  • the initial data may include, for example, a strength wedge-in particular a temperature wedge ⁇ T-and / or a thickness wedge ⁇ d.
  • a variable characteristic of an incoming saber of the flat rolling stock 1 can be known, for example a corresponding curvature k.
  • control computer 3 can be aware of further data in step S12, for example the desired wedge and / or the nominal saber or maximum permissible values for the discharge wedge and / or the outgoing saber.
  • Step S13 shows some of the set sizes.
  • the set sizes are characteristic at least for the total rolling force F.
  • the set sizes are still characteristic of the rolling force difference ⁇ F between the drive and operating side.
  • Other sizes that may be used are further roll stand sizes B, C, ⁇ B that influence the roll contour and the difference in setting ⁇ s between the drive side and the operating side.
  • an offset V can be used with. The offset V indicates how far the flat rolling stock 1, offset relative to the rolling mill center, enters the relevant rolling stand 2.
  • the control computer 3 determines a bending line part K1 from the total rolling force F, the rolling force difference ⁇ F, the other rolling stand sizes B, C, ⁇ B, the width b of the flat rolled material 1, and the offset V. Farther determines the control computer 3 in step S14 on the basis of the total rolling force F, the rolling force difference ⁇ F and the width b of the flat rolled material 1 a flattening K2. Furthermore, the control computer 3 determines a Verkippungsanteil K3 in the context of step S14 on the basis of the employment difference ⁇ s and a Gerüstfederfederungsifferenz ⁇ g between the drive and operating side.
  • Abplattungsanteil K2 and the Verkippungsanteil K3 determines the control computer 3 the Auslaufkeil K. If the initial data also includes values for the inlet side wedge and the inlet side saber and continue the incoming and outgoing trains and their differences or distributions are known or a material transverse flow is excluded, in addition, the outlet-side saber K 'can be determined.
  • Steps S15 and S16 are of steps S5 and S6 of FIG FIG. 2 identical.
  • FIG. 4 shows further possible embodiments of the step S13 of FIG. 3 , Analogous to the ratio of FIG. 2 and 3 Steps S21 and S22 are alternatively realizable.
  • the crown C can optionally be actively influenced by local cooling of the rollers 9.
  • the operating method according to the invention can be configured in various ways. Examples of such embodiments are in FIG. 5 shown.
  • FIG. 5 shows various possible embodiments. The embodiments can be implemented independently of each other. Furthermore, the possible embodiments in the context of FIG. 5 explained in connection with steps S1 to S6 already in FIG. 2 were explained. Alternatively, together or individually, steps S11 through S16 of FIG FIG. 3 be used, if necessary in the embodiments according to FIG. 4 ,
  • step S31 the control computer 3 is given the wedge strategy.
  • the control computer can be specified whether it should set the discharge wedge K and / or the saber K 'to 0, whether it should retain an already existing relative asymmetry (possibly in which distribution on discharge wedge K and saber K') and the like ,
  • step S32 the control computer 3 determines the target discharge wedge and / or the target saber using the initial data of the flat rolling stock 1.
  • the control computer 3 for example, in the case that the flat rolling stock 1 before rolling in the respective rolling stand 2 already has a wedge and / or a saber and further due to the thickness d of the rolling stock 1, a material flow is no longer or only in limited Scope is possible to specify the desired wedge and the target saber such that the target saber is still within tolerable range and the target wedge describes the remaining asymmetry of the flat rolled material 1.
  • the determination of the desired wedge and / or the Sollsäbels in the context of step S32 takes place of course only if the desired wedge and / or the target saber are not already predetermined and defined by the wedge strategy.
  • steps S36 to S38 may be present.
  • step S36 the control computer 3 receives rolling stand conditions which occur during the rolling of the flat rolling stock 1 in the respective rolling stand 2.
  • the control computer 3 can receive the actual rolling forces and / or the actual rolling force differences or the corresponding values of the bending-back force.
  • step S37 the control computer 3 during the rolling of the flat rolling stock 1 in the respective rolling stand 2 can take sizes that are characteristic of the actual discharge wedge and / or the actual saber of the flat rolled material 1.
  • the actual exit-side train or its difference or distribution can be detected and fed to the control computer 3.
  • corresponding sizes can be accepted after rolling the flat rolled stock 1.
  • the flat rolling stock 1 may be measured after complete rolling in the respective rolling stand 2 under certain circumstances. It is also possible for suitable sizes to be detected at one point or at several locations behind the rolling stand 2 and closed based on the variables on the actual outlet-side curvature of the flat rolling stock 1. Corresponding procedures are known to the person skilled in the art.
  • the control computer 3 can use the quantities taken in the course of the steps S36, S37 and / or S38 for different purposes. For example, it is possible for the control computer 3 in a step S41 to visualize the actual discharge wedge and / or the actual saber of the flat rolling stock 1-for example via a viewing device or a printer - to an operator 10 outputs. Alternatively or additionally, it is possible for the control computer 3 in a step S42 to compare the actual, accepted variables with corresponding expected variables and to adapt the wedge model 7 on the basis of the comparison.
  • control computer 3 can use the quantities received to determine actual states of the flat rolling stock 1 and to take them into account during subsequent processing steps. For example, the control computer 3 can check in a step S43 whether the processing of the flat rolling stock 1 has ended. If this is not the case, the control computer 3 can proceed to a step S44 in which the control computer 3 uses the initial data of the flat rolling stock 1 for a later treatment step - in particular a subsequent rolling process - of the same flat rolling stock 1 or at least using this data determined a part of the initial data of the flat rolling stock 1.
  • the subsequent rolling process can, depending on the type of rolling train, be carried out in the same or in another rolling stand 2.
  • step S46 can additionally be present in addition.
  • the control computer 3 may change the wedge strategy under certain circumstances. For example, the control computer 3 can determine the wedge strategy such that the discharge wedge K and the saber K 'are corrected if and as long as the incoming thickness d of the flat rolling stock 1 is greater than a critical thickness. However, if the thickness d of the flat rolled stock 1 before rolling is (are) smaller than the critical thickness, the control computer 3 may change the wedge strategy so that from this point on, the run-out wedge K existing at that time is maintained. Other possibilities of change are also given.
  • the operating method according to the invention per flat rolled product 1 is executed only once. Preferably, however, it is carried out several times.
  • the control computer 3 according to FIG. 6 determine a plurality of positions (sections 11) over the length of the flat rolling stock 1 and determine for each section 11 respectively the run-out wedge K and / or the saber K 'and according to the given wedge strategy at least one of the applied sizes - for example the rolling force difference ⁇ F or Offset V - vary in the sense of approaching a respective setpoint. It is possible for the control computer 3 to carry out the determination of the discharge wedge K and / or the saber K 'for all considered sections 11 before the first section 11 of the rolling stock 1 enters the rolling stand 2 under consideration. However, at least the control computer 3 executes the process for each section 11 at a time before the respective section 11 enters the rolling mill 2 executing the respective rolling process.
  • a flat rolled stock 1 is rolled in a multi-stand rolling mill, wherein the Walzgutlaufraum x is always the same.
  • each rolling pass is made in another rolling stand 2 of the rolling train.
  • This embodiment of the rolling train is particularly suitable when the flat rolling stock 1 is a band. In principle, however, this procedure is equally applicable if the flat rolled stock 1 is a heavy plate (a plate).
  • the rolling train reversing works that is designed as a reversing mill.
  • the individual rolling operations take place in the same rolling stand 2, wherein the rolling stock running direction x changes from rolling pass to rolling pass.
  • This embodiment is particularly suitable when the flat rolling stock 1 is a heavy plate.
  • the reversing mill is preferably designed as a Steckel mill.
  • the present invention has many advantages.
  • a targeted determination of the outlet wedge K and / or the saber K 'and an integration of this determination in the stitch plan calculation is possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
EP11167282A 2011-05-24 2011-05-24 Procédé de fonctionnement pour une voie de laminage Withdrawn EP2527052A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP11167282A EP2527052A1 (fr) 2011-05-24 2011-05-24 Procédé de fonctionnement pour une voie de laminage
PCT/EP2012/057814 WO2012159849A1 (fr) 2011-05-24 2012-04-27 Procédé permettant de faire fonctionner un train de laminoir
EP12718185.7A EP2691188B1 (fr) 2011-05-24 2012-04-27 Procédé permettant de faire fonctionner un train de laminoir
CN201280024747.XA CN103547383B (zh) 2011-05-24 2012-04-27 用于轧机列的运行方法
US14/119,986 US9586245B2 (en) 2011-05-24 2012-04-27 Operating method for a rolling train
BR112013030000A BR112013030000A2 (pt) 2011-05-24 2012-04-27 método de operação para um trem de laminação

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11167282A EP2527052A1 (fr) 2011-05-24 2011-05-24 Procédé de fonctionnement pour une voie de laminage

Publications (1)

Publication Number Publication Date
EP2527052A1 true EP2527052A1 (fr) 2012-11-28

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ID=46025692

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11167282A Withdrawn EP2527052A1 (fr) 2011-05-24 2011-05-24 Procédé de fonctionnement pour une voie de laminage
EP12718185.7A Active EP2691188B1 (fr) 2011-05-24 2012-04-27 Procédé permettant de faire fonctionner un train de laminoir

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12718185.7A Active EP2691188B1 (fr) 2011-05-24 2012-04-27 Procédé permettant de faire fonctionner un train de laminoir

Country Status (5)

Country Link
US (1) US9586245B2 (fr)
EP (2) EP2527052A1 (fr)
CN (1) CN103547383B (fr)
BR (1) BR112013030000A2 (fr)
WO (1) WO2012159849A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9586245B2 (en) 2011-05-24 2017-03-07 Primetals Technologies Germany Gmbh Operating method for a rolling train
WO2023146701A1 (fr) * 2022-01-27 2023-08-03 Novelis Inc. Système et procédé de commande de filetage dans un laminoir

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2910316A1 (fr) 2014-02-21 2015-08-26 Primetals Technologies Germany GmbH Précommande simple du pas de filetage d'un ébaucheur
EP2957360A1 (fr) 2014-06-16 2015-12-23 Siemens Aktiengesellschaft Procédé de fonctionnement d'un train de laminoir
CN104190721B (zh) * 2014-09-04 2017-03-15 广东韶钢松山股份有限公司 一种轧机雪橇分段投入装置的操作方法及其应用
JP6688115B2 (ja) * 2016-03-18 2020-04-28 株式会社神戸製鋼所 制御方法選択支援システム
JP6805993B2 (ja) * 2017-07-24 2020-12-23 Ｊｆｅスチール株式会社 厚鋼板の圧延方法および製造方法
EP3479916A1 (fr) * 2017-11-06 2019-05-08 Primetals Technologies Germany GmbH Réglage ciblé de contour à l'aide de spécifications correspondantes
EP3714999B1 (fr) * 2019-03-28 2022-09-28 Primetals Technologies Germany GmbH Détermination de la nomination d'un rouleau

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004041328A1 (de) * 2004-08-26 2006-03-02 Alstom Verfahren zum Betreiben eines Walzgerüsts eines Walzwerks
WO2006063948A1 (fr) * 2004-12-15 2006-06-22 Siemens Aktiengesellschaft Procede de fonctionnement pour un train de laminoir et dispositifs correspondants
DE102009043401A1 (de) 2009-09-29 2011-04-07 Siemens Aktiengesellschaft Verfahren zur modellbasierten Ermittlung von Stellglied-Sollwerten für die symmetrischen und asymmetrischen Stellglieder der Walzgerüste einer Warmbreitbandstraße
DE102009043400A1 (de) 2009-09-29 2011-04-07 Siemens Aktiengesellschaft Verfahren zur modellbasierten Ermittlung von Stellglied-Sollwerten für die asymmetrischen Stellglieder der Walzgerüste einer Warmbreitbandstraße

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6012123B2 (ja) * 1979-07-13 1985-03-30 川崎製鉄株式会社 厚板圧延方法
JPS57202912A (en) 1981-06-05 1982-12-13 Kawasaki Steel Corp Thick plate rolling process
DE3435232C2 (de) 1984-09-26 1987-02-26 Hoesch Stahl AG, 4600 Dortmund Mehrgerüstige Warmbandwalzstraße mit Korrekturmöglichkeit des Dickenprofils des zu walzenden Bandes
NL8700776A (nl) * 1987-04-02 1988-11-01 Hoogovens Groep Bv Werkwijze voor het voorinstellen van een walserij en een besturingsinrichting geschikt daarvoor.
US5101650A (en) * 1990-05-01 1992-04-07 Allegheny Ludlum Corporation Tandem mill feed forward gage control with speed ratio error compensation
JPH06508560A (ja) * 1991-06-28 1994-09-29 シーメンス アクチエンゲゼルシヤフト 多スタンド熱間帯板圧延機を用いる熱間帯板の製造制御方法
WO1995019591A1 (fr) 1994-01-13 1995-07-20 Siemens Aktiengesellschaft Procede et dispositif de direction d'un processus
DE59505012D1 (de) 1995-03-16 1999-03-11 Siemens Ag Verfahren und vorrichtung zur führung eines prozesses
DE19618712B4 (de) 1996-05-09 2005-07-07 Siemens Ag Regelverfahren für ein Walzgerüst zum Walzen eines Bandes
DE19622825B4 (de) * 1996-06-07 2005-03-31 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Voreinstellung für Kaltwalzreversiergerüst
US5963918A (en) * 1996-10-29 1999-10-05 Morgan Construction Company System and method of optimizing rolling mill roll inventory
JPH10156415A (ja) 1996-12-02 1998-06-16 Nippon Steel Corp 熱間仕上圧延におけるウェッジ制御方法
JPH10263657A (ja) 1997-03-25 1998-10-06 Kawasaki Steel Corp ロールプロフィルの測定方法及び測定装置
DE19713004C2 (de) * 1997-03-27 2002-10-24 Siemens Ag Verfahren und Einrichtung zur Voreinstellung der Planheit eines Walzbandes
JPH1110215A (ja) 1997-06-18 1999-01-19 Sumitomo Metal Ind Ltd 熱間圧延材のウエッジ制御方法
WO1999042232A2 (fr) 1998-02-18 1999-08-26 Siemens Aktiengesellschaft Procede et dispositif pour determiner un profil intermediaire d'un ruban metallique
JP4179709B2 (ja) * 1999-07-15 2008-11-12 東芝三菱電機産業システム株式会社 リバース式圧延機の学習制御装置
DE19933610A1 (de) * 1999-07-17 2001-01-25 Bwg Bergwerk Walzwerk Verfahren zum Planieren von Metallbändern
US6263714B1 (en) * 1999-12-27 2001-07-24 Telepro, Inc. Periodic gauge deviation compensation system
DE10045259A1 (de) 2000-09-13 2002-03-21 Sms Demag Ag Regelverfahren zum Walzen eines Bandes in einem Walzgerüst
KR100847056B1 (ko) * 2000-09-21 2008-07-17 도레이 가부시끼가이샤 시트의 제조방법, 시트의 두께제어장치 및 프로그램을 기록한 컴퓨터로 판독 가능한 기록매체
JP3844280B2 (ja) 2000-10-25 2006-11-08 新日本製鐵株式会社 板圧延における圧下レベリング設定方法
JP3526554B2 (ja) * 2001-02-13 2004-05-17 株式会社日立製作所 タンデム圧延設備及びその圧延方法
DE10116273A1 (de) 2001-03-31 2002-10-10 Sms Demag Ag Verfahren zum Betreiben einer Walzstraße sowie eine entsprechend ausgebildete Walzstraße
DE10121981C1 (de) * 2001-05-05 2002-12-12 Bwg Bergwerk Walzwerk Bandbehandlungsanlage zum Richten eines Metallbandes
DE10156008A1 (de) * 2001-11-15 2003-06-05 Siemens Ag Steuerverfahren für eine einer Kühlstrecke vorgeordnete Fertigstraße zum Walzen von Metall-Warmband
WO2006008808A1 (fr) * 2004-07-20 2006-01-26 Toshiba Mitsubishi-Electric Industrial Systems Corporation Procede pour regler/controler un coin dans un laminage de materiau en plaque
US20060041448A1 (en) * 2004-08-20 2006-02-23 Patterson Robbie L Number of new and unique manufacturing and assembley methods and processes to cost effectively refit and market legacy implements like "The Gilhoolie" presently names "The Wili Grip" TM
FR2888763B1 (fr) * 2005-07-22 2008-10-03 Vai Clecim Sa Procede d'inspection et installation associee
US20070068210A1 (en) * 2005-09-29 2007-03-29 University Of Pittsburgh - Of The Commonwealth System Of Higher Education System for controlling a rolling mill and method of controlling a rolling mill
DE102005059653A1 (de) * 2005-12-14 2007-06-21 Sms Demag Ag Verfahren und Computerprogramm zum Steuern eines Walzprozesses
FR2898523B1 (fr) * 2006-03-14 2009-02-27 Alstom Power Conversion Sa Procede de laminage d'une bande de tole.
DE102007006810B3 (de) * 2007-02-07 2008-10-02 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Vorrichtung zum Planieren von Metallbändern
DE102007031333A1 (de) * 2007-07-05 2009-01-15 Siemens Ag Walzen eines Bandes in einer Walzstraße unter Nutzung des letzen Gerüsts der Walzstraße als Zugverringerer
DE102007035283A1 (de) 2007-07-27 2009-01-29 Siemens Ag Verfahren zur Einstellung eines Zustands eines Walzguts, insbesondere eines Vorbands
DE102008007247A1 (de) * 2007-09-13 2009-03-19 Siemens Aktiengesellschaft Betriebsverfahren für eine Walzstraße mit Krümmungserkennung
KR100919031B1 (ko) 2007-12-11 2009-09-24 주식회사 포스코 스트립 캐스팅 공정의 압연기 레벨 제어 방법
RU2510299C2 (ru) * 2008-10-30 2014-03-27 Сименс Акциенгезелльшафт Способ для установки приводной нагрузки для множества приводов прокатного стана для прокатки прокатываемого материала, устройство управления и/или регулирования, носитель информации, программный код и прокатная установка
EP2527052A1 (fr) * 2011-05-24 2012-11-28 Siemens Aktiengesellschaft Procédé de fonctionnement pour une voie de laminage
US9095886B2 (en) * 2011-06-27 2015-08-04 University Of Central Florida Research Foundation, Inc. Mill control system and method for control of metal strip rolling

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004041328A1 (de) * 2004-08-26 2006-03-02 Alstom Verfahren zum Betreiben eines Walzgerüsts eines Walzwerks
WO2006063948A1 (fr) * 2004-12-15 2006-06-22 Siemens Aktiengesellschaft Procede de fonctionnement pour un train de laminoir et dispositifs correspondants
DE102009043401A1 (de) 2009-09-29 2011-04-07 Siemens Aktiengesellschaft Verfahren zur modellbasierten Ermittlung von Stellglied-Sollwerten für die symmetrischen und asymmetrischen Stellglieder der Walzgerüste einer Warmbreitbandstraße
DE102009043400A1 (de) 2009-09-29 2011-04-07 Siemens Aktiengesellschaft Verfahren zur modellbasierten Ermittlung von Stellglied-Sollwerten für die asymmetrischen Stellglieder der Walzgerüste einer Warmbreitbandstraße

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9586245B2 (en) 2011-05-24 2017-03-07 Primetals Technologies Germany Gmbh Operating method for a rolling train
WO2023146701A1 (fr) * 2022-01-27 2023-08-03 Novelis Inc. Système et procédé de commande de filetage dans un laminoir

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US9586245B2 (en) 2017-03-07
EP2691188A1 (fr) 2014-02-05
CN103547383A (zh) 2014-01-29
US20140100686A1 (en) 2014-04-10
EP2691188B1 (fr) 2015-06-17
BR112013030000A2 (pt) 2016-09-13
WO2012159849A1 (fr) 2012-11-29
CN103547383B (zh) 2016-08-24

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