EP2519365A2 - Methode de régulation des guides latéraux d'une bande métallique - Google Patents

Methode de régulation des guides latéraux d'une bande métallique

Info

Publication number
EP2519365A2
EP2519365A2 EP10799048A EP10799048A EP2519365A2 EP 2519365 A2 EP2519365 A2 EP 2519365A2 EP 10799048 A EP10799048 A EP 10799048A EP 10799048 A EP10799048 A EP 10799048A EP 2519365 A2 EP2519365 A2 EP 2519365A2
Authority
EP
European Patent Office
Prior art keywords
force
ruler
controlled
metal strip
measured
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.)
Granted
Application number
EP10799048A
Other languages
German (de)
English (en)
Other versions
EP2519365B1 (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 Siemag AG
Original Assignee
SMS Siemag 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 SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2519365A2 publication Critical patent/EP2519365A2/fr
Application granted granted Critical
Publication of EP2519365B1 publication Critical patent/EP2519365B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
    • B21C47/3408—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material
    • B21C47/3416—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material with lateral edge contact
    • 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 mills, for example in the inlet or outlet of rolling mills or before blowing apparatus or in other Bandpro- zesslinien.
  • 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 for both sides with this method.
  • the ruler While the tape is being fed, the ruler is ner side controlled position 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 taken up 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 adequately adjusted to different bandwidths, which at best the leadership is inadequate or such high forces between band and rulers that significant damage occurs.
  • the published patent application DE 4003717 A1 discloses a further method for lateral 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 technical task, which results from the prior art is therefore to be seen to provide an improved control method for side guides of metal bands available or at least to avoid one of the above-mentioned disadvantages.
  • the inventive method for controlling a side guide of a metal strip in particular in the inlet or outlet of rolling mills or blowing machines, wherein the side guide on both sides of the metal strip in each case comprises a laterally arranged to the metal strip ruler and the rulers independently can be moved and a first of the rulers is operated position-controlled and a second of the rulers is operated force-controlled and forces of the metal strip, which act on the first ruler and on the second ruler are measured.
  • the setpoint force for the second force-controlled ruler is predefined as a function of the measured force on the first position-controlled ruler, the setpoint force for the second, force-controlled ruler being reduced as the force on the first, position-controlled ruler increases and / or the force decreases on the first, position-controlled ruler, the setpoint force for the second, force-controlled ruler is increased.
  • both rulers are operated separately by a control loop, namely on the one hand by a position control loop and the other by a force control loop, the influence on the leadership is greatly improved. Since the predetermined forces prescribed for the second ruler are predetermined as a function of the forces measured on the first ruler and are not simply defined exclusively by material parameters or a user, the control of the system is significantly improved.
  • the lower contact forces between the rulers and the belt cause less damage. Greater maintenance intervals and better belt quality result from the Features of the method according to the invention.
  • the braking effect on the belt is reduced, so that the energy required for transporting the belt is reduced.
  • the band presses the position-controlled side together with the effect of the force-regulated side. In particular, this also means that when the width changes occur, the rulers can be better adapted to a widening or narrowing band, whereby the guidance of such bands is improved and damage is reduced.
  • the setpoint force for the second force-controlled ruler is reduced to a predefinable, lower limit.
  • a predefinable, lower limit By means of this predeterminable lower limit, it can be ensured, in particular, that the friction of the guide rule is overcome. If the desired force were chosen too low, the band could not be adjusted in any case despite employment of the ruler on the force-controlled side. By setting a lower force limit, the effectiveness of the scheme can thus be further improved.
  • the parameter a indicates a predeterminable minimum force on the first position-controlled ruler.
  • the specifiable parameter c gives the ratio of the discharge of the second, force-controlled ruler with increasing force on the first, position-controlled ruler.
  • the parameter d forms the lower limit force, which should not be undershot when reducing the setpoint force for the second, force-controlled ruler.
  • the forces measured on the first position-controlled ruler are filtered with a low-pass filter.
  • Filtering with a low-pass filter filters out high frequencies, such as noise, which further improves or stabilizes the control.
  • the regulation, and in particular the specification of the force setpoint of the second force-controlled ruler is thus also less sensitive to short-term fluctuations in the measured actual forces on the position-controlled side.
  • the first and the second ruler are driven by a drive, wherein at least one of these drives is optionally formed hydraulically or pneumatically.
  • the hydraulic or pneumatic drives comprise two cylinder chambers, wherein the forces acting on the first or 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 formed by a linear electric motor.
  • the force acting on the first or the second ruler is determined from measured electrical variables of the linear motor. By such a measurement or determination, the control can be simplified.
  • 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 the rotary motor is selectively driven hydraulically or pneumatically.
  • FIG. 1 shows a schematic sketch of a lateral guide of a metal strip together with control and regulating technology
  • Figure 2 is a control diagram.
  • FIG. 1 shows an example of an arrangement for carrying out the method according to the invention.
  • a metal strip 1, preferably a steel strip 1 is supported by side guides on its two sides or longitudinal sides. leads.
  • Such side guides which are known per se, each comprise a ruler 2, 4.
  • the metal strip 1 can be 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.
  • force measuring transducers 6 it is possible for force measuring transducers 6 to be provided between the guide edges 9, 10 and the drives or adjusting devices 3, 5 of the rulers 2, 4.
  • the rulers 2, 4, as shown are made up of several parts.
  • the adjusting devices 3, 5 may be formed, for example, by hydraulic or pneumatic cylinders, as shown.
  • position measuring sensors 7 are provided which can measure the travel path of the piston in the adjusting devices 3, 5.
  • position measuring sensors 7 can measure the travel path of the piston in the adjusting devices 3, 5.
  • contactless position measurements such as electromagnetic waves.
  • FIG. 1 shows pressure gauges 8, or pressure gauges 8, which can measure pressure values in a piston-cylinder unit 3, 5. 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 can be used to determine a force on the rulers 2, 4.
  • a first ruler 2 is operated position-controlled.
  • the control circuit for regulating the ruler 2 is shown on the left side of FIG. Its controlled system RS 1, or its course, is disturbed by a fault Z1.
  • a disturbance Z1 is, for example, a force of the metal strip 1 on the ruler 2.
  • This disturbance results in a position of the ruler 2, for example the position P1.
  • Such a position P1 of the ruler 2 can be determined by a position measuring device 7, which forms the measuring element MG 1 of the position control loop of the first ruler 2. Subsequently, will checked whether the measured value of the position of the first ruler 2 with a setpoint S1 for the position of the first ruler 2 matches.
  • a control element RG 1 or a control device RG 1 is preferably provided, which outputs an amount of travel of the ruler 2 in a corrected position.
  • the actuator SG 1 for example by a piston-cylinder unit 3, then the control system RS 1 and thus the position of the ruler 2 can be influenced.
  • a position value of the ruler 2 such as the value P1, always has a force K1 acting on the ruler 2. This can be measured by a measuring device or the measuring element MG 1 '. This can be formed for example by a measuring device 6 or 8.
  • the ruler 2 is held by the position control at a constant position. This means that in this case the target position S1 is constant.
  • the second ruler, ruler 4 is preferably operated with force control, that is to say by a force control loop, as shown on the right in FIG.
  • force control that is to say by a force control loop, as shown on the right in FIG.
  • a disturbance Z2 acts on the second ruler 4.
  • a force K2 or total force K2 between the metal strip 1 and ruler 4.
  • This force K2 can be determined by a measuring element MG 2.
  • a measuring element MG 2 are, inter alia, measuring devices of type 6 or 8 in question.
  • the measured force K2 is compared with a setpoint force S2 and a possible difference passed on to the control element RG 2.
  • the actuator SG 2 is also formed, for example, by a piston-cylinder unit 5 or by an electric or rotary motor.
  • the measured force values which are determined by the measuring element MG 1 'on the side of the first position-controlled ruler 2, are preferably set by a controller R or a regulating device R to setpoint values for the forces S2 of the control loop of the second, force-controlled ruler 4 processed.
  • this means that the desired forces S2 of the force control circuit of the second ruler 4 are selected in dependence on the forces K1 measured on the position control side. If, for example, a force K1 approaches the position-controlled ruler 2, this can be counteracted by reducing the setpoint force S2 on the force-controlled side. Conversely, if the force K1 decreases on the position-controlled side, the desired value for the setpoint force S2 on the force-controlled side is preferably increased.
  • This calculation represents an advantageous example of the relationship between measured forces K1 on the position-controlled side and the setpoint forces S2 for the force-controlled side of the control.
  • the parameters a, c, d can be chosen such that the parameter a is a predeterminable minimum force indicates the first, position-controlled line al 2 and the specifiable parameter c indicates the ratio of the relief of the second force-controlled ruler 4 with increasing force K1 on the first, position-controlled ruler 2 and the parameter d represents the lower limit force, which in reducing the desired force S2 for the second, force-controlled ruler 4 should not fall below. It should be emphasized, however, that the choice of these parameters depends on the concrete technical problem and therefore can not be specified here. It is further stated that the previous description of the regulation on the equations mentioned is only an example of the realization of the regulation according to the invention and may not be understood as limiting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Control Of Metal Rolling (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

L'invention concerne un procédé de régulation d'un guide latéral d'une bande métallique (1), notamment à l'entrée ou à la sortie de cages de laminoirs ou en amont d'appareils d'entraînement, le guide latéral comportant de chaque côté de la bande métallique (1) respectivement une réglette (2, 4) située latéralement de la bande métallique (1), les deux réglettes (2, 4) pouvant se déplacer indépendamment l'une de l'autre. Une réglette (2) fonctionne en mode asservie en position et la deuxième réglette (4) fonctionne en mode de réglage par force. Les forces exercées par la bande métallique (K1, K2) sur la première réglette (2) et sur la deuxième réglette (4) sont mesurées. La force théorique (S2) de la deuxième réglette (4) à réglage par force dépend de la force (K1) mesurée agissant sur la première réglette (2) asservie en position. En cas d'augmentation de la force agissant sur la première réglette (2) asservie en position, la force théorique S2 de la deuxième réglette (4) à réglage par force, est réduite. Ce type de régulation permet de prévenir ou tout au moins de réduire notamment tout dommage des réglettes (2, 4) et de la bande métallique (1).
EP10799048.3A 2009-12-29 2010-12-23 Methode de régulation des guides latéraux d'une bande métallique Not-in-force EP2519365B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009060823A DE102009060823A1 (de) 2009-12-29 2009-12-29 Regelung von Seitenführungen eines Metallbandes
PCT/EP2010/070698 WO2011080226A2 (fr) 2009-12-29 2010-12-23 Régulation du guide latéral d'une bande métallique

Publications (2)

Publication Number Publication Date
EP2519365A2 true EP2519365A2 (fr) 2012-11-07
EP2519365B1 EP2519365B1 (fr) 2013-09-25

Family

ID=44226881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10799048.3A Not-in-force EP2519365B1 (fr) 2009-12-29 2010-12-23 Methode de régulation des guides latéraux d'une bande métallique

Country Status (8)

Country Link
US (1) US8616034B2 (fr)
EP (1) EP2519365B1 (fr)
JP (1) JP5450835B2 (fr)
KR (1) KR101421990B1 (fr)
CN (1) CN102665949B (fr)
DE (1) DE102009060823A1 (fr)
RU (1) RU2501616C1 (fr)
WO (1) WO2011080226A2 (fr)

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DE102009014099A1 (de) * 2008-10-28 2010-04-29 Sms Siemag Aktiengesellschaft Vorrichtung und Verfahren zur seitlichen Führung eines auf einem Rollgang transportierten Walzbandes
DE102009042694A1 (de) * 2009-09-23 2011-03-24 Sms Siemag Ag Modulare Führungseinrichtung
EP2689863A1 (fr) * 2012-07-27 2014-01-29 Siemens Aktiengesellschaft Procédé d'influence ciblée de la géométrie d'un produit à laminer
KR101449146B1 (ko) 2012-11-16 2014-10-08 주식회사 포스코 코일러 입측 사이드 가이드 제어 시스템 및 방법
CN103272861A (zh) * 2013-05-28 2013-09-04 中国重型机械研究院股份公司 一种板带轧制生产线对中导向系统
CN104174700B (zh) * 2014-07-07 2016-01-27 芜湖市海联机械设备有限公司 一种卷机油压自动压平导向装置
CN107685076B (zh) * 2017-09-11 2019-06-14 马鞍山市方圆材料工程有限公司 一种组合式型钢轧机导卫装置
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
CN111215459B (zh) * 2019-11-12 2024-06-25 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
DE102021205275A1 (de) * 2021-05-21 2022-11-24 Sms Group Gmbh Verfahren zum Betreiben eines Walzgerüstes
CN113617855B (zh) * 2021-07-16 2023-02-17 太原科技大学 一种轧机控制方法以及系统
CN117960807A (zh) * 2023-12-28 2024-05-03 中重科技(天津)股份有限公司 一种可调节钢坯导向装置

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Also Published As

Publication number Publication date
US20120267415A1 (en) 2012-10-25
WO2011080226A3 (fr) 2012-01-05
CN102665949B (zh) 2015-04-01
JP2013515616A (ja) 2013-05-09
EP2519365B1 (fr) 2013-09-25
US8616034B2 (en) 2013-12-31
WO2011080226A2 (fr) 2011-07-07
DE102009060823A1 (de) 2011-06-30
KR20120096581A (ko) 2012-08-30
JP5450835B2 (ja) 2014-03-26
RU2501616C1 (ru) 2013-12-20
KR101421990B1 (ko) 2014-07-22
CN102665949A (zh) 2012-09-12

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