EP2099574B1 - Procédé de commande d'une cage de laminoir destinée au laminage d'un feuillard - Google Patents

Procédé de commande d'une cage de laminoir destinée au laminage d'un feuillard Download PDF

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Publication number
EP2099574B1
EP2099574B1 EP07847858A EP07847858A EP2099574B1 EP 2099574 B1 EP2099574 B1 EP 2099574B1 EP 07847858 A EP07847858 A EP 07847858A EP 07847858 A EP07847858 A EP 07847858A EP 2099574 B1 EP2099574 B1 EP 2099574B1
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EP
European Patent Office
Prior art keywords
strip
control device
rolling stand
rolling
zre
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.)
Active
Application number
EP07847858A
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German (de)
English (en)
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EP2099574A1 (fr
Inventor
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.)
Primetals Technologies Germany GmbH
Original Assignee
Siemens AG
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Publication date
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Application filed by Siemens AG filed Critical Siemens AG
Priority to PL07847858T priority Critical patent/PL2099574T3/pl
Publication of EP2099574A1 publication Critical patent/EP2099574A1/fr
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Publication of EP2099574B1 publication Critical patent/EP2099574B1/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
    • B21B37/68—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
    • B21B2273/00—Path parameters
    • B21B2273/04—Lateral deviation, meandering, camber of product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/06—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring tension or compression

Definitions

  • the present invention relates to a control method for a rolling stand for rolling a belt having left and right belt sides.
  • a control method for a rolling stand for rolling a strip wherein the strip has a left and a right side of the strip.
  • pressures are detected by means of corresponding transducers, which exerts the tape on the inlet and outlet side in the lateral direction of the tape on the measured value.
  • the Measured values are fed to a control device for the roll stand which relates the measured values to one another and in this way determines a manipulated variable for the roll stand by means of which a saber formation of the strip leaving the roll stand is counteracted.
  • the object of the present invention is to provide objects by means of which the transverse positioning of the band can be determined in a simple manner is.
  • the object is procedurally achieved by a control method for a rolling mill with the features of claim 1.
  • Programmtechnisch the problem is solved by a computer program with the features of claim 2.
  • the object is achieved by a data carrier having the features of claim 3, a control device having the features of claim 4 and a rolling device having the features of claim 5.
  • the control device determines a manipulated variable for a correction of the transverse positioning of the belt. It controls the rolling stand according to the manipulated variable.
  • the computer program includes a sequence of Machine commands, wherein the sequence of machine commands is executable by the controller.
  • the execution of the sequence of machine commands by the controller causes the controller to control the mill according to the method described above when the controller is operatively connected to the mill stand.
  • On the disk and in the control device such a computer program is stored in each case.
  • a rolling device has a rolling stand 1 and a control device 2 for the rolling stand 1.
  • a strip 3 is rolled in operation, which has a left hinge side 3 'and a right hinge side 3 ".
  • the rolling mill 1 has at least two work rolls 4.
  • the roll stand 1 has further rolls, for example when formed as a quill screed support rolls or when forming a sexto scaffolding support and intermediate rolls.
  • Other configurations for example as a so-called Zwanzig roll rolling stand, are possible.
  • the other rollers are not shown in the FIG.
  • the control device 2 controls the entire operation of the rolling mill 1. For example, it controls the peripheral speed of the work rolls 4, the setting of the rolling stand 1, the rolling force, etc. On the control of the Roll stand 1 by the control device 2 will be discussed below only to the extent necessary for the understanding of the present invention.
  • the control device 2 is generally designed as a programmable control device, for example as a programmable logic controller (PLC).
  • PLC programmable logic controller
  • the computer program 5 For programming the control device 2, the computer program 5 is created. It comprises a sequence of machine commands 6. The sequence of machine commands 6 can be executed by the control device 2. The execution of the sequence of machine commands 6 by the control device 2 causes the control device 2 to control the rolling stand 1 in accordance with a control method which will be explained in more detail below. Of course, the control device 2 must be in operative connection with the roll stand 1 for this purpose.
  • the computer program 5 is stored on a data carrier 7, for example an EEPROM.
  • the data carrier 7 is - at least temporarily - connected to the control device 2 data technically.
  • the control device 2 when executing its control method, always executes the computer program 5 stored on the data carrier 7.
  • the data carrier 7 must be connected to the control device 2 during the execution of the control method.
  • the data carrier 7 must be connected to the control device 2 only temporarily.
  • the computer program 5 of the control device 2 via a not shown Supply network connection. In this case, only the internal volume of the controller 2 is required.
  • the control device 2 controls transducers 8, which are assigned to the rolling stand 1.
  • trains ZLE, ZLA, ZRE, ZRA are detected, which prevail on the left and right side of the belt 3 ', 3 "on the infeed and outfeed sides in the belt 3.
  • ZLE hereby designates the one on the left side of the belt 3' in the belt
  • ZLA designates the tension prevailing on the left side of the belt 3 'in the belt 3.
  • ZRE denotes the tension prevailing in the belt 3 on the belt side 3 "on the right side of the belt 3.
  • ZRA designates the tension prevailing on the right side of the belt 3 "in the belt 3.
  • transducers 8 can be selected as needed.
  • the transducers 8 can be summarized on the inlet side on the one hand and on the outlet side on the other hand to a segmented traction measuring roller.
  • tension measuring rollers are well known.
  • other embodiments are conceivable and possible as an alternative.
  • the detected trains ZLE, ZLA, ZRE, ZRA are fed to the control device 2.
  • the control device 2 determines based on the detected features ZLE, ZLA, ZRE, ZRA a measure ⁇ Z for a transverse positioning p of the belt 3 relative to the rolling stand 1. In particular - see FIG. 4 -
  • the control device 2 determines a manipulated variable S.
  • the manipulated variable S is output to the rolling stand 1.
  • the rolling stand 1 is thus controlled according to the manipulated variable S.
  • the manipulated variable S causes a correction of the transverse positioning p of the belt 3. It can, for example - see schematically the arrows A in FIG. 3 - Be a wedge adjustment of the work rolls 4.
  • the manipulated variable S depends continuously on the dimension ⁇ Z (or the difference of the dimension ⁇ Z from the nominal dimension ⁇ Z *).
  • the manipulated variable S can also - like a two-position controller - have a hysteresis.

Claims (5)

  1. Procédé de commande d'une cage ( 1 ) de laminoir pour le laminage d'un feuillard ( 3 ) qui a un côté ( 3' ) gauche et un côté ( 3" ) droit de feuillard, caractérisé en ce que
    - au moyen d'un enregistreur ( 8 ) adéquat de valeur de mesure, on relève sur le côté ( 3' ) gauche et le côté ( 3" ) droit du feuillard des tractions ( ZLE, ZLA, ZRE, ZRA) régnant dans le feuillard ( 3 ) du côté de l'entrée et du côté de la sortie,
    - dans lequel on envoie les tractions ( ZLE, ZLA, ZRE, ZRA) relevées à un dispositif ( 2 ) de commande de la cage ( 1 ) de laminoir,
    - le dispositif ( 2 ) de commande détermine au moyen de la relation δZ = ZLE + ZLA - ZRE - ZRA une valeur ( δZ ) d'un positionnement ( p ) transversal du feuillard ( 3 ) par rapport à la cage ( 1 ) de laminoir,
    - δZ étant la valeur, ZLE étant la traction régnant dans le feuillard ( 3 ) du côté de l'entrée du côté ( 3' ) gauche du feuillard, ZLA étant la traction régnant dans le feuillard ( 3 ) du côté de la sortie du côté ( 2' ) gauche du feuillard, ZRE étant la traction régnant dans le feuillard ( 3 ) du côté de l'entrée du côté ( 3" ) droit du feuillard et ZRA étant la traction régnant dans le feuillard ( 3 ) du côté de la sortie du côté ( 3" ) droit du feuillard,
    - le dispositif ( 2 ) de commande détermine au moyen de la valeur ( δZ ) du positionnement ( p ) transversal du feuillard ( 3 ) une grandeur ( S ) de réglage pour une correction du positionnement ( p ) transversal du feuillard ( 3 ) et commande la cage ( 1 ) de laminoir en fonction de la grandeur ( S ) de réglage.
  2. Programme informatique qui comprend une succession d'instructions ( 6 ) machine, la succession d'instructions ( 6 ) machine pouvant être réalisée par un dispositif ( 2 ) de commande d'une cage ( 1 ) de laminoir, l'exécution de la succession d'instructions ( 6 ) machine étant effectuée par le dispositif ( 10 ) de commande de sorte que le dispositif ( 2 ) de commande commande la cage ( 1 ) de laminoir suivant un procédé selon la revendication 1, lorsque le dispositif ( 2 ) de commande est en liaison de coopération avec la cage ( 1 ) de laminoir.
  3. Support de donné ayant un programme ( 5 ) informatique suivant la revendication 2 qui est mémorisé sur le support de données.
  4. Dispositif de commande d'une cage ( 1 ) de laminoir, le dispositif de commande comportant un support ( 7 ) de données suivant la revendication 3 et le programme ( 5 ) informatique mémorisé sur le support ( 7 ) de données peut être réalisé par le dispositif de commande.
  5. Dispositif de laminage ayant une cage ( 1 ) de laminoir commandé par un dispositif ( 2 ) de commande,
    - dans lequel au moyen de la cage ( 1 ) de laminoir peut être laminé un feuillard ( 3) qui a un côté ( 3' ) gauche de feuillard et un côté ( 3" ) droit de feuillard, caractérisé en ce que
    - à la cage ( 1 ) de laminoir sont associés des enregistreurs ( 8 ) de valeur de mesure au moyen desquels on peut relever des tractions ( ZLE, ZLA, ZRE, ZRA) régnant dans le feuillard ( 1 ) du côté de l'entrée du côté de la sortie du côté ( 2' ) gauche et du côté ( 3' ) droit du feuillard,
    - dans lequel les tractions ( ZLE, ZLA, ZRE, ZRA ) relevées peuvent être envoyées au dispositif ( 2 ) de commande,
    - une valeur ( δZ ) d'un positionnement ( p ) transversal du feuillard ( 3 ) par rapport à la cage ( 1 ) de laminoir peut être déterminée par le dispositif ( 2 ) de commande au moyen de la relation δZ = ZLE + ZLA - ZRE - ZRA,
    - δZ étant la valeur, ZLE étant la traction régnant dans le feuillard ( 3 ) du côté de l'entrée du côté ( 3' ) gauche du feuillard, ZLA étant la traction régnant dans le feuillard ( 3 ) du côté de la sortie du côté ( 2' ) gauche du feuillard, ZRE étant la traction régnant dans le feuillard ( 3 ) du côté de l'entrée du côté ( 3") droit du feuillard et ZRA étant la traction régnant dans le feuillard ( 3 ) du côté de la sortie du côté ( 3" ) droit du feuillard,
    - une grandeur ( S ) de réglage pour une correction du positionnement ( P ) transversal du feuillard ( 3 ) peut être déterminée par le dispositif f ( (2 ) de commande au moyen de la valeur ( δZ ) du positionnement ( p ) transversal du feuillard ( 3 ) et la cage ( 1 ) de laminoir peut être commandée en fonction de la grandeur ( S ) de réglage.
EP07847858A 2007-01-10 2007-12-05 Procédé de commande d'une cage de laminoir destinée au laminage d'un feuillard Active EP2099574B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07847858T PL2099574T3 (pl) 2007-01-10 2007-12-05 Sposób sterowania klatką walcowniczą w celu walcowania taśmy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007001539A DE102007001539A1 (de) 2007-01-10 2007-01-10 Steuerverfahren für ein Walzgerüst zum Walzen eines Bandes
PCT/EP2007/063369 WO2008083880A1 (fr) 2007-01-10 2007-12-05 Procédé de commande d'une cage de laminoir destinée au laminage d'un feuillard

Publications (2)

Publication Number Publication Date
EP2099574A1 EP2099574A1 (fr) 2009-09-16
EP2099574B1 true EP2099574B1 (fr) 2011-09-21

Family

ID=39102983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07847858A Active EP2099574B1 (fr) 2007-01-10 2007-12-05 Procédé de commande d'une cage de laminoir destinée au laminage d'un feuillard

Country Status (9)

Country Link
US (1) US8806909B2 (fr)
EP (1) EP2099574B1 (fr)
CN (1) CN101583441B (fr)
AT (1) ATE525144T1 (fr)
BR (1) BRPI0720855A2 (fr)
DE (1) DE102007001539A1 (fr)
PL (1) PL2099574T3 (fr)
RU (1) RU2451568C2 (fr)
WO (1) WO2008083880A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2745946A1 (fr) * 2012-12-20 2014-06-25 Siemens Aktiengesellschaft Procédé de fonctionnement pour une voie de laminage
DE102014215396A1 (de) * 2014-08-05 2016-02-11 Primetals Technologies Germany Gmbh Differenzzugregelung mit optimierter Reglerauslegung
CN105701326A (zh) * 2014-11-27 2016-06-22 上海梅山钢铁股份有限公司 一种热轧卷取侧导板最佳控制压力计算模型建立方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315506A (en) * 1964-01-09 1967-04-25 Westinghouse Electric Corp Workpiece tension and shape control method and apparatus
US4335439A (en) * 1980-04-25 1982-06-15 St Denis Andrew R Weight monitoring device for strip metal stock
JPS59127917A (ja) * 1983-01-12 1984-07-23 Nippon Steel Corp スキンパスミルの張力制御方法
JPS59189011A (ja) 1983-04-12 1984-10-26 Ishikawajima Harima Heavy Ind Co Ltd 圧延材の蛇行及び横曲り制御方法及びその装置
JPS59191510A (ja) 1983-04-13 1984-10-30 Ishikawajima Harima Heavy Ind Co Ltd 圧延材の蛇行制御方法及び装置
SU1704871A1 (ru) 1990-03-19 1992-01-15 Ростовское Отделение Всесоюзного Научно-Исследовательского, Проектного И Проектно-Конструкторского Института По Комплексной Электрификации Промышленных Объектов "Тяжпромэлектропроект" Им.Ф.Б.Якубовского Устройство дл компенсации эксцентриситета валков прокатной клети
JPH07124620A (ja) * 1993-11-04 1995-05-16 Sumitomo Metal Ind Ltd 冷間圧延機におけるストリップの蛇行制御装置
JP3812157B2 (ja) * 1998-07-23 2006-08-23 三菱電機株式会社 圧延機の安定化制御方法およびその装置
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
WO2003078086A1 (fr) * 2002-03-15 2003-09-25 Siemens Aktiengesellschaft Procede de determination assiste par ordinateur pour des valeurs de consigne destinees a des actionneurs de profil et de planeite
DE102004043790A1 (de) 2004-09-08 2006-03-09 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Verfahren und Vorrichtung zum Walzen eines Metallbands

Also Published As

Publication number Publication date
CN101583441B (zh) 2011-09-07
DE102007001539A1 (de) 2008-07-17
WO2008083880A1 (fr) 2008-07-17
PL2099574T3 (pl) 2012-02-29
ATE525144T1 (de) 2011-10-15
EP2099574A1 (fr) 2009-09-16
RU2009130358A (ru) 2011-02-20
US8806909B2 (en) 2014-08-19
US20100000278A1 (en) 2010-01-07
RU2451568C2 (ru) 2012-05-27
BRPI0720855A2 (pt) 2014-03-25
CN101583441A (zh) 2009-11-18

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