EP2519364A2 - Verfahren zur regelung von seitenführungen eines metallbandes - Google Patents
Verfahren zur regelung von seitenführungen eines metallbandesInfo
- Publication number
- EP2519364A2 EP2519364A2 EP10799027A EP10799027A EP2519364A2 EP 2519364 A2 EP2519364 A2 EP 2519364A2 EP 10799027 A EP10799027 A EP 10799027A EP 10799027 A EP10799027 A EP 10799027A EP 2519364 A2 EP2519364 A2 EP 2519364A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ruler
- measured
- forces
- force
- metal strip
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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 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 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 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 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 position-controlled are operated and forces of the metal strip, which act on the first and on the second Lealeal measured and according to the invention, the target position for the first and / or the second ruler depending on the forces measured on the first and on the second ruler forces regulated is that the smaller value of the forces measured on the first and second ruler, 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, the forces measured on the first ruler and the second ruler, the lower limit force moves, the positions for the first and / or the second ruler are adjusted so that the forces measured on the first and on 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 the result of interference, can thus be filtered out.
- 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 shows a schematic of a side guide of a metal strip together
- 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 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.
- 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 path of travel of the piston in the adjusting devices 3, 5.
- position measuring sensors 7 are provided which can measure the path of travel of the piston in the adjusting devices 3, 5.
- contactless position measurements such as with the help of electromagnetic waves.
- FIG. 1 shows pressure measuring devices 8 or pressure measuring transducers 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 for determining a force on the rulers 2, 4 are used.
- FIG. 2 shows a control loop scheme which is intended to illustrate the method according to the invention purely by way of example.
- a position control loop for the first ruler 2 is shown, to the right thereof a position control loop for the second ruler 4.
- the position control loop of the first ruler 2 is intended to hold the ruler 2 at a set position S1.
- a fault Z1 acts in the form of a pressure of the belt 1 on the control path 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 1 ,
- Such 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 formed by one of the adjusting devices 3, 5 from FIG. 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 circuit of the ruler 4 or of the second ruler 4 operates on the controlled system RS 2 of the position of the ruler 4 is a disturbance Z2, or a pressure of the metal strip.
- the position P2 of the ruler 4 is set. This position P2 can be measured by the measuring element MG 2. Subsequently, 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 to the controllers or regulating devices R 1 and / or R 2 über- will give.
- 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 setpoint value for the position of the first ruler S1 modified by the force measurement is then compared to the measured position value of the first ruler 2 when the control loop of the first ruler 2 is run through again.
- 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.
- R 1 Controller 1 for the output of the position setpoint S1 for the first ruler
- R 2 Controller 2 for the output of the position setpoint S2 for the second ruler
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
Claims
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 (de) | 2009-12-29 | 2010-12-22 | Regelung der seitenführung eines metallbandes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2519364A2 true EP2519364A2 (de) | 2012-11-07 |
EP2519364B1 EP2519364B1 (de) | 2015-02-25 |
Family
ID=44226877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10799027.7A Active EP2519364B1 (de) | 2009-12-29 | 2010-12-22 | Verfahren zur regelung von seitenführungen eines metallbandes |
Country Status (8)
Country | Link |
---|---|
US (1) | US8616035B2 (de) |
EP (1) | EP2519364B1 (de) |
JP (1) | JP5563099B2 (de) |
KR (1) | KR101421983B1 (de) |
CN (1) | CN102770220B (de) |
DE (1) | DE102009060826A1 (de) |
RU (1) | RU2524485C2 (de) |
WO (1) | WO2011080174A2 (de) |
Families Citing this family (8)
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 (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 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
IT1296906B1 (it) * | 1997-12-24 | 1999-08-02 | Abb Sistemi Ind Spa | Dispositivo di regolazione delle guide di ingresso del nastro in un laminatoio |
DE19915344C2 (de) * | 1999-04-03 | 2001-03-08 | Karl Heess Gmbh & Co Maschb | Wellenricht- und -härtemaschine |
DE50303112D1 (de) * | 2003-07-26 | 2006-06-01 | Trumpf Werkzeugmaschinen Gmbh | Werkzeugmaschine mit Werkzeug-Hubantrieb |
DE102006058630B4 (de) * | 2006-12-13 | 2012-12-06 | Schuler Pressen Gmbh & Co. Kg | Elektrohydraulische Pressenhaupt- oder Nebenantriebseinrichtung, insbesondere elektrohydraulischer Ziehkissenantrieb |
-
2009
- 2009-12-29 DE DE102009060826A patent/DE102009060826A1/de not_active Withdrawn
-
2010
- 2010-12-22 JP JP2012546417A patent/JP5563099B2/ja not_active Expired - Fee Related
- 2010-12-22 US US13/520,015 patent/US8616035B2/en active Active
- 2010-12-22 WO PCT/EP2010/070473 patent/WO2011080174A2/de active Application Filing
- 2010-12-22 KR KR1020127019719A patent/KR101421983B1/ko active IP Right Grant
- 2010-12-22 EP EP10799027.7A patent/EP2519364B1/de active Active
- 2010-12-22 CN CN201080064933.7A patent/CN102770220B/zh active Active
- 2010-12-22 RU RU2012132395/02A patent/RU2524485C2/ru active
Non-Patent Citations (1)
Title |
---|
See references of WO2011080174A2 * |
Also Published As
Publication number | Publication date |
---|---|
US20120279267A1 (en) | 2012-11-08 |
WO2011080174A2 (de) | 2011-07-07 |
WO2011080174A3 (de) | 2011-12-01 |
KR20120098936A (ko) | 2012-09-05 |
JP2013515615A (ja) | 2013-05-09 |
KR101421983B1 (ko) | 2014-07-22 |
CN102770220B (zh) | 2015-01-28 |
RU2524485C2 (ru) | 2014-07-27 |
JP5563099B2 (ja) | 2014-07-30 |
DE102009060826A1 (de) | 2011-06-30 |
US8616035B2 (en) | 2013-12-31 |
EP2519364B1 (de) | 2015-02-25 |
RU2012132395A (ru) | 2014-02-10 |
CN102770220A (zh) | 2012-11-07 |
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