EP2519364B1 - Methode de régulation des guides latéraux d'une bande métallique - Google Patents

Methode de régulation des guides latéraux d'une bande métallique Download PDF

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Publication number
EP2519364B1
EP2519364B1 EP10799027.7A EP10799027A EP2519364B1 EP 2519364 B1 EP2519364 B1 EP 2519364B1 EP 10799027 A EP10799027 A EP 10799027A EP 2519364 B1 EP2519364 B1 EP 2519364B1
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EP
European Patent Office
Prior art keywords
guide
forces
measured
ruler
force
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
EP10799027.7A
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German (de)
English (en)
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EP2519364A2 (fr
Inventor
Matthias Tuschhoff
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.)
SMS Group GmbH
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SMS Siemag AG
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Publication date
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Publication of EP2519364A2 publication Critical patent/EP2519364A2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • 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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/021—Control or correction devices in association with moving strips
    • B21D43/023—Centering devices, e.g. edge guiding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work

Definitions

  • the invention relates to a method for controlling side guides of a metal strip, in particular in rolling plants according to the preamble of claim 1 (see, for example, US Pat. DE 698 29 454 T ), for example in the inlet or outlet of rolling mills or before blowing apparatus or in other belt processing lines.
  • a ruler is operated position-controlled while guiding a band, while the other ruler is pressed against the band with a defined force.
  • the determination of the contact force between ruler and belt is carried out in this method for both sides.
  • the ruler While guiding the tape, the ruler on one Position-controlled held on a fixed position.
  • the other ruler is force-controlled with a defined force pressed against the belt.
  • the nominal force of the force-controlled ruler is fixed depending on the characteristics of the belt to be led such as material, width, thickness, temperature or speed.
  • This target force is chosen such that it is greater than the contact force of the band on the force-controlled side in any case, otherwise the guide could be opened on this side of the band.
  • a disadvantage of this method is that when the band exerts a force on the position-controlled side, both this reaction force and, in addition, the predetermined force of the force-regulated side must be recorded on this side. Damage to the band and also to the rulers are the result. To repair the rulers, long plant downtimes are unavoidable.
  • another disadvantage of this method results from the fact that the width of the tape to be fed is generally not constant. By specifying a fixed target force regardless of the width of the tape to be led the rulers can not be adjusted to different bandwidth gradients, so at best the leadership is deficient or such high forces between band and rulers that considerable damage occurs.
  • the publication DE 4003717 A1 discloses another method for side guidance of a rolled strip.
  • the object of the disclosed method is to increase the service life of the guide rulers in a roller table.
  • a regulation of the guide rulers is proposed, which operates in such a way that they can be pressed against the strip edges alternately and then lifted off from them again.
  • a disadvantage of this method is, inter alia, that setpoints for a force control loop are predetermined by a process computer according to an input and thereby the control can not run sufficiently accurate in many cases. Due to the predetermined desired forces, this method also has the above-mentioned disadvantages, so that the rulers still wear unsatisfactorily fast by this method and also significant band edge damage can occur.
  • the invention is defined by the defined in claim 1 method for controlling a side guide of a metal strip, wherein the side guide on one side of the metal strip comprises a first and on the other side of the metal strip a second ruler, the rulers can be moved independently and each operated position-controlled and forces of the metal strip, which act on the first and on the second ruler, are measured and according to the invention, the target position for the first and / or the second ruler is controlled depending on the forces measured on the first and on the second ruler forces in that only the smaller value of the forces measured on the first and second ruler is above a selectable lower limit force and below a selectable upper limit force.
  • both rulers are operated position-controlled independently of each other and that the forces measured at the rulers are used for the determination of the desired position as described, reduces damage to the rulers.
  • the control of the invention proves to be extremely advantageous.
  • the control according to the invention is also particularly advantageous when width variations of the band occur.
  • the upper limit force is greater than the lower limit force.
  • this embodiment comprises the feature that when the smaller value of the forces measured on the first ruler and the second ruler falls below the lower limit force, the positions for the first and / or second ruler are adjusted such that the forces measured at the first and at the second ruler are increased.
  • the positions for the first and / or second ruler are adjusted so that those at the first and second rulers measured forces are lowered. If this is done in a controlled manner, the forces between the belt and the rulers are particularly effectively reduced, which reduces the wear on the rulers and prevents damage to the rulers even more effectively.
  • the measured forces are filtered with a low-pass filter. Due to the low-pass filtering, the process can work reliably and insensitive. High frequencies, which are often due to interference, can be filtered out in this way.
  • the first and the second ruler are driven by a drive, wherein at least one of these drives is either hydraulically or pneumatically.
  • the hydraulic or pneumatic drives comprise two cylinder chambers, wherein the forces acting on the first or on the second ruler are determined from the pressures measured in the cylinder chambers.
  • the first and the second ruler are driven by a drive, wherein at least one of these drives is optionally effected by an electric linear motor.
  • the force acting on the first or the second ruler is determined from measured electrical variables of the linear motor.
  • the first and the second ruler are driven by a drive, wherein at least one of these drives via a rotary motor and a spindle gear and wherein the rotary motor is selectively driven hydraulically or pneumatically.
  • FIG. 1 an example of an arrangement for carrying out the method according to the invention is shown.
  • a metal strip 1, preferably a steel strip 1 is guided on its two sides, or longitudinal sides, by lateral guides.
  • Such per se known side guides each comprise a ruler 2, 4.
  • the metal strip 1 is contacted by the guide edges 9, 10 of the ruler 2, 4.
  • the rulers 2, 4 are preferably made laterally to the belt 1 by drives or adjusting devices 3, 5.
  • drives or adjusting devices 3, 5 may be formed, for example, by hydraulic or pneumatic cylinders, as shown.
  • Position measuring sensor 7 is provided which can measure the travel of the piston in the adjusting devices 3, 5.
  • Positionmessaufêt 7 for example, so that they determine directly in contact with the rulers 2, 4, the position of the rulers.
  • contactless position measurements such as with the help of electromagnetic waves.
  • Pressure measuring 8, or pressure transducer 8 shown that can measure 3.5 pressure values in a piston-cylinder unit. From these values, it is possible to deduce the forces K1, K2 which act on the rulers 2, 4 according to a known procedure.
  • a drive with a motor 3, 5 in particular a rotary motor whose drive torque for determining a force on the rulers 2, 4 are used.
  • FIG. 2 a control loop scheme is shown, which is intended to illustrate the inventive method purely by way of example.
  • a position control loop for the first ruler 2 is shown, to the right of a position control loop for the second ruler 4.
  • the ruler 2 is to be maintained at a desired position S1.
  • a fault Z1 acts in the form of a pressure of the belt 1 on the controlled system RS 1 of the control loop, ie on the ruler 2.
  • This fault results in a resulting position P1 of the first ruler, which can be determined by the measuring element MG.
  • a measuring element can be, for example, the position measuring transducer 7.
  • the measured value follows with the setpoint S1 the position of the ruler 2 compared.
  • the actuator SG 1 is preferably made by one of the adjusting devices 3, 5 FIG. 1 educated. Alternatively, however, are also electric or rotary motors in question. Finally, the actuator SG 1 again influences the controlled system RS 1 or the ruler 2 and its position.
  • the position control loop of the ruler 4 or of the second ruler 4 operates analogously to the control loop just described.
  • a disturbance Z2, or a pressure of the metal strip 1 acts on the controlled system RS 2 of the position of the ruler 4.
  • This position P2 can be measured by the measuring element MG 2.
  • this measured position P2 is compared with a target position S2 of the ruler 4.
  • An existing difference between these two values is transferred to the control element RG 2.
  • This control element RG 2 is, as usual in control technology, a control value to the actuator SG 2, which thus has an influence on the controlled system RS 2, whereby the control circuit closes.
  • the forces K1 measured on the first ruler 2 are compared with the forces K2 measured on the second ruler 4, wherein the smaller of the two forces K1, K2, which is referred to below as the force K ', preferably passed to the controller or control devices R 1 and / or R 2 becomes.
  • K1 is the lower force and thus corresponds to the force K '
  • this is passed to the controller 1, which outputs a modified setpoint S1 for the position of the first ruler 2.
  • This value of the position of the first ruler S1 modified by the force measurement is then compared with the measured position value of the first ruler 2 when the control loop of the first ruler 2 is again passed through.
  • the setpoint values S1 and S2 are preferably output by the controllers R1 and R2 in such a way that the smaller of the measured forces K1, K2 or the contact forces K1, K2 lies between a predefinable lower limit or limit force and a predefinable upper limit or limit force.
  • the lower limit is preferably chosen so that the friction of the system, or that of the belt 1, can be overcome and thus the control can always have an influence on the movement of the belt 1.
  • the upper limit is preferably determined by plant parameters, such as the frictional forces occurring or may also depend on the desired measurement accuracy, depending on the system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Claims (8)

  1. Procédé pour le réglage d'un guidage latéral d'une bande métallique (1), en particulier à l'entrée ou la sortie de cages de laminoir ou d'appareils d'entraînement, dans lequel le guidage latéral comprend, d'un côté de la bande métallique (1), une première règle (2) et de l'autre côté de la bande métallique (1), une deuxième règle (4), dans lequel les règles (2, 4) peuvent être déplacées indépendamment l'une de l'autre et peuvent être entraînées respectivement dans des conditions telles que leur position est réglée, et dans lequel on mesure les forces (K1, K2) de la bande métallique (1) qui s'exercent sur la première règle (2) et sur la deuxième règle (4), caractérisé en ce que l'on règle la position de consigne (S1, S2) pour la première et/ou la deuxième règle (2, 4), en fonction des forces mesurées à la première et à la deuxième règle (2, 4), de telle sorte que la plus petite valeur (K') des forces (K1, K2) mesurées respectivement à la première règle (2) et à la deuxième règle (4), que l'on sélectionne par comparaison entre ces deux forces mesurées (K1, K2), est supérieure à une force limite inférieure sélectionnable et inférieure à une force limite supérieure sélectionnable.
  2. Procédé selon la revendication 1, dans lequel la force limite supérieure est supérieure à la force limite inférieure, et dans lequel, lorsque la plus petite valeur (K') des forces (K1, K2) mesurées à la première règle (2) et à la deuxième règle (4) dépasse vers le bas la force limite inférieure, on règle les positions pour la première et/ou la deuxième règle (2, 4) de telle sorte que l'on augmente les forces (K1, K2) mesurées à la première règle (2) et à la deuxième règle (4), et dans lequel, lorsque la plus petite valeur (K') des forces (K1, K2) mesurées à la première règle (2) et à la deuxième règle (4) dépasse vers le haut la force limite supérieure, on règle les positions pour la première et/ou pour la deuxième règle (2, 4) de telle sorte que l'on diminue les forces (K1, K2) mesurées à la première et à la deuxième règle (2, 4).
  3. Procédé selon la revendication 1 ou 2, dans lequel les forces mesurées (K1, K2) sont filtrées et avec un filtre passe-bas.
  4. Procédé selon l'une quelconque des revendications précédentes, dans lequel la première et la deuxième règle (2, 4) sont entraînées via un entraînement (3, 5) et au moins un de ces entraînements (3, 5) a lieu soit par voie hydraulique, soit par voie pneumatique.
  5. Procédé selon la revendication 4, dans lequel les entraînements hydrauliques ou pneumatiques (3, 5) comprennent une chambre de cylindre et les forces (K1, K2) qui s'exercent sur la première ou sur la deuxième règle (2, 4) sont déterminées à partir des pressions mesurées dans la chambre de cylindre.
  6. Procédé selon l'une quelconque des revendications 1 à 3, dans laquelle la première et la deuxième règle (2, 4) sont entraînées via un entraînement (3, 5) et au moins un de ces entraînements a lieu si on le souhaite via un moteur électrique linéaire.
  7. Procédé selon la revendication 6, dans lequel la force qui s'exerce sur la première ou sur la deuxième règle (2, 4) est déterminée à partir de valeurs électriques mesurées du moteur linéaire.
  8. Procédé selon l'une quelconque des revendications précédentes, dans lequel la première et la deuxième règle (2, 4) sont entraînées via un entraînement (3, 5) et dans lequel au moins un de ces entraînements a lieu via un moteur rotatif et une transmission à broche, le moteur rotatif étant entraîné soit par voie hydraulique, soit par voie pneumatique.
EP10799027.7A 2009-12-29 2010-12-22 Methode de régulation des guides latéraux d'une bande métallique Active EP2519364B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009060826A DE102009060826A1 (de) 2009-12-29 2009-12-29 Regelung der Seitenführung eines Metallbandes
PCT/EP2010/070473 WO2011080174A2 (fr) 2009-12-29 2010-12-22 Régulation du guide latéral d'une bande métallique

Publications (2)

Publication Number Publication Date
EP2519364A2 EP2519364A2 (fr) 2012-11-07
EP2519364B1 true EP2519364B1 (fr) 2015-02-25

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EP10799027.7A Active EP2519364B1 (fr) 2009-12-29 2010-12-22 Methode de régulation des guides latéraux d'une bande métallique

Country Status (8)

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US (1) US8616035B2 (fr)
EP (1) EP2519364B1 (fr)
JP (1) JP5563099B2 (fr)
KR (1) KR101421983B1 (fr)
CN (1) CN102770220B (fr)
DE (1) DE102009060826A1 (fr)
RU (1) RU2524485C2 (fr)
WO (1) WO2011080174A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009014099A1 (de) * 2008-10-28 2010-04-29 Sms Siemag Aktiengesellschaft Vorrichtung und Verfahren zur seitlichen Führung eines auf einem Rollgang transportierten Walzbandes
DE102012224351A1 (de) * 2012-12-21 2014-06-26 Sms Siemag Ag Verfahren und Vorrichtung zum Wickeln eines Metallbandes
DE102012224505A1 (de) * 2012-12-28 2014-07-03 Sms Siemag Aktiengesellschaft Vorrichtung und Verfahren zum seitlichen Führen eines Walz- oder Gießerzeugnisses auf einer Transportstraße
DE102013105628A1 (de) * 2013-05-31 2014-12-04 Sandvik Materials Technology Deutschland Gmbh Ofenmuffel für einen Glühofen
EP3552723A1 (fr) * 2018-04-12 2019-10-16 Primetals Technologies Austria GmbH Dispositif et procédé de guidage de bandes métalliques pourvues d'éléments d'usure au moyen de l'élément de support
EP3599038A1 (fr) 2018-07-25 2020-01-29 Primetals Technologies Austria GmbH Procédé et dispositif de détermination du contour de bande latéral d'une bande métallique en mouvement
CN110303482B (zh) * 2019-07-12 2022-03-29 大连理工大学 一种用于微小多孔零件定心夹持装置
CN111215459A (zh) * 2019-11-12 2020-06-02 中冶京诚工程技术有限公司 带推板角度可调式推床的轧机区生产设备及热轧生产线

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DE3116278A1 (de) * 1981-04-24 1982-11-11 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH, 4000 Düsseldorf Vorrichtung zum steuern der lage des bandlaufs beim walzen
DE3240692A1 (de) * 1982-11-04 1984-05-10 Mannesmann AG, 4000 Düsseldorf Hydraulischer antrieb an verschieber- u. zentriereinrichtungen
DE3423560A1 (de) * 1984-06-27 1986-01-09 SMS Schloemann-Siemag AG, 4000 Düsseldorf Positioniersteuereinrichtung fuer vor dem eingang von warmbreitband-fertigwalzstrassen angeordnete, quer zur walzrichtung verschiebbare fuehrungslineale bzw. fuehrungsrollen
JPS61108415A (ja) * 1984-10-31 1986-05-27 Kawasaki Steel Corp 熱間連続圧延ラインにおける鋼板サイドガイドの制御方法
JPH02235519A (ja) * 1989-03-09 1990-09-18 Sumitomo Metal Ind Ltd ストリップ巻取機のサイドガイドの制御方法
DE3935434A1 (de) * 1989-10-25 1991-05-02 Schloemann Siemag Ag Verfahren zur kompensation von durch walzenexzentrizitaeten verursachten stoerungen
DE4003717C2 (de) 1990-02-08 1999-05-06 Schloemann Siemag Ag Seitenführung für auf einem Rollgang transportiertes Walzband
DE19713604A1 (de) * 1997-04-02 1998-10-08 Schloemann Siemag Ag Einer Fertigstraße für stranggegossenes Bandmaterial vorgeordnetes positionsgeregeltes Stauchgerüst
RU2116146C1 (ru) * 1997-08-05 1998-07-27 Открытое акционерное общество "Северсталь" Устройство для центрирования транспортируемой полосы
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Publication number Publication date
JP5563099B2 (ja) 2014-07-30
CN102770220A (zh) 2012-11-07
US20120279267A1 (en) 2012-11-08
DE102009060826A1 (de) 2011-06-30
RU2524485C2 (ru) 2014-07-27
CN102770220B (zh) 2015-01-28
EP2519364A2 (fr) 2012-11-07
US8616035B2 (en) 2013-12-31
WO2011080174A3 (fr) 2011-12-01
JP2013515615A (ja) 2013-05-09
RU2012132395A (ru) 2014-02-10
KR101421983B1 (ko) 2014-07-22
WO2011080174A2 (fr) 2011-07-07
KR20120098936A (ko) 2012-09-05

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