EP2519365B1 - Verfahren zur regelung von seitenführungen eines metallbandes - Google Patents

Verfahren zur regelung von seitenführungen eines metallbandes Download PDF

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Publication number
EP2519365B1
EP2519365B1 EP10799048.3A EP10799048A EP2519365B1 EP 2519365 B1 EP2519365 B1 EP 2519365B1 EP 10799048 A EP10799048 A EP 10799048A EP 2519365 B1 EP2519365 B1 EP 2519365B1
Authority
EP
European Patent Office
Prior art keywords
force
guide bar
ruler
regulated
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.)
Active
Application number
EP10799048.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2519365A2 (de
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
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Filing date
Publication date
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2519365A2 publication Critical patent/EP2519365A2/de
Application granted granted Critical
Publication of EP2519365B1 publication Critical patent/EP2519365B1/de
Active legal-status Critical Current
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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
    • 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
    • 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 band processing lines, according to the preamble of claim 1 (see, eg, JP 2001 047 120 A ).
  • 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 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 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.
  • 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 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 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.
  • 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 sensor 7 is provided which can measure the travel of the piston in the adjusting devices 3, 5.
  • contactless position measurements such as electromagnetic waves.
  • Pressure measuring 8, or pressure transducer 8 shown that 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 for determining a force on the rulers 2, 4 are used.
  • FIG. 2 schematically shows an inventive embodiment of a control scheme for controlling the side guides or the rulers 2, 4.
  • a first ruler 2 is operated position-controlled.
  • the control circuit for regulating the ruler 2 is on the left side of FIG. 2 shown.
  • Its controlled system RS 1, or its course, is disturbed by a fault Z1.
  • Such 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.
  • 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 means of a force control loop, as in FIG FIG. 2 is shown on the right.
  • a pressure of the belt 1 against the ruler 4 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 on the first, position-controlled ruler 2 and the predetermined parameter c, the ratio of the relief of the second force-controlled ruler 4 with increasing force K1 on the first, position-controlled ruler 2 indicates 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)
  • Control Of Metal Rolling (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP10799048.3A 2009-12-29 2010-12-23 Verfahren zur regelung von seitenführungen eines metallbandes Active EP2519365B1 (de)

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 (de) 2009-12-29 2010-12-23 Regelung von seitenführungen eines metallbandes

Publications (2)

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

Family

ID=44226881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10799048.3A Active EP2519365B1 (de) 2009-12-29 2010-12-23 Verfahren zur regelung von seitenführungen eines metallbandes

Country Status (8)

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

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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
DE102009042694A1 (de) * 2009-09-23 2011-03-24 Sms Siemag Ag Modulare Führungseinrichtung
EP2689863A1 (de) * 2012-07-27 2014-01-29 Siemens Aktiengesellschaft Verfahren zur gezielten Beeinflussung der Geometrie eines Walzguts
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***
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 (de) * 2018-04-12 2019-10-16 Primetals Technologies Austria GmbH Vorrichtung und verfahren zur führung von metallbändern mit schleisskörpern mit trägerelement
EP3599038A1 (de) * 2018-07-25 2020-01-29 Primetals Technologies Austria GmbH Verfahren und vorrichtung zur ermittlung der seitlichen bandkontur eines laufenden metallbandes
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***

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Also Published As

Publication number Publication date
DE102009060823A1 (de) 2011-06-30
US8616034B2 (en) 2013-12-31
WO2011080226A3 (de) 2012-01-05
JP2013515616A (ja) 2013-05-09
RU2501616C1 (ru) 2013-12-20
CN102665949B (zh) 2015-04-01
EP2519365A2 (de) 2012-11-07
US20120267415A1 (en) 2012-10-25
CN102665949A (zh) 2012-09-12
KR101421990B1 (ko) 2014-07-22
JP5450835B2 (ja) 2014-03-26
WO2011080226A2 (de) 2011-07-07
KR20120096581A (ko) 2012-08-30

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