EP1278606B1 - Verfahren und vorrichtung zum lagegerechten aufwickeln eines gewalzten warmbandes in einer haspelvorrichtung - Google Patents

Verfahren und vorrichtung zum lagegerechten aufwickeln eines gewalzten warmbandes in einer haspelvorrichtung Download PDF

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Publication number
EP1278606B1
EP1278606B1 EP01962413A EP01962413A EP1278606B1 EP 1278606 B1 EP1278606 B1 EP 1278606B1 EP 01962413 A EP01962413 A EP 01962413A EP 01962413 A EP01962413 A EP 01962413A EP 1278606 B1 EP1278606 B1 EP 1278606B1
Authority
EP
European Patent Office
Prior art keywords
band
controller
drive
hot
fed
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.)
Expired - Lifetime
Application number
EP01962413A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1278606A1 (de
Inventor
Ulrich Müller
Andreas Wolff
Gerd Thiemann
Michael Degner
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.)
ThyssenKrupp Steel Europe AG
BFI VDEH Institut fuer Angewandte Forschung GmbH
Original Assignee
ThyssenKrupp Stahl AG
BFI VDEH Institut fuer Angewandte Forschung GmbH
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 ThyssenKrupp Stahl AG, BFI VDEH Institut fuer Angewandte Forschung GmbH filed Critical ThyssenKrupp Stahl AG
Publication of EP1278606A1 publication Critical patent/EP1278606A1/de
Application granted granted Critical
Publication of EP1278606B1 publication Critical patent/EP1278606B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • B21B39/006—Pinch roll sets
    • 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
    • B21C47/3425—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material without lateral edge contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0057—Coiling the rolled product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2265/00—Forming parameters
    • B21B2265/02—Tension
    • B21B2265/08—Back or outlet tension
    • 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
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
    • 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 positionally correct winding a Metal strip, in particular a rolled hot strip in a reel device, wherein the hot strip via a drive device with drive rollers the reel device is fed, via a regulator, the drive rollers by means of actuators for a change of the driving roller gap and the As a result, influencing the lateral position of the hot strip are tilted relative to each other and the controller as a measured variable and as a reference command variable the position of the edge of the hot strip in front of the driving device is supplied and takes the priority of the German patent application 100 14 813.1-32, the content of which is incorporated by reference.
  • the invention relates to a device for positional Winding a rolled hot strip in a coiler, with one of the reel device supplying the hot strip driving device with drive rollers, with actuators and a regulator for this purpose Change in the drive roller gap and the resulting influence the lateral position of the hot strip and with a measuring device for determining the position of the edge of the hot strip in front of the driving device, whose measured values are fed to the controller.
  • a driving device is arranged, which in essentially from a lower drive roller, in the frame of the reel device is stored, and an upper drive roller, which is in a driver swing is stored.
  • the upper drive roller is via hydraulic cylinder to Einund Adjustment of the gap between the drive rollers pivotable.
  • the essential functions of Propulsion device including their drives are from the finishing train the beginning of the rolled strip, the incoming To guide the tape tip in the direction of the reel device and the Retraction against the reel device during the winding process to guarantee.
  • the essential components of the reel device are a spreadable Mandrel for winding the rolled strip, pressure rollers and guide shells for guiding the rolled strip during the winding process and a Mandrel drive.
  • the free end of the mandrel (coil removal side) generally becomes Reels supported by a swivel mandrel bearing.
  • the outlet roller table deflected down to the winding mandrel. Then lead the pressure rollers and the guide shells of the reel device the beginning of the tape several times around the spinning mandrel.
  • the thorn consists of several segments shortly after the arrival of the band lace be spread continuously until the tape is too tight wound on superimposed turns.
  • the essential functions the reel device are the non-positive connection of tape start and dome to ensure that the coil formed during winding too Wear and tape during winding with defined tape tension apply.
  • the actuating effect of this driving device with respect to the hot strip is based on a local displacement of the point of application of the belt tension and the resulting non-uniform elastic band elongation (bending) due to a pivoting of the upper drive roller.
  • a panning the upper roller leads to a one-sided opening of the driver gap and thus to a displacement of the point of application of the pressing force, the apply the drive rollers to the belt.
  • the force application point, the symmetrical Driver gap in the middle of the plant is now a distance from the center of the plant towards the unopened side of the driver gap relocated.
  • engages the from the braking torque of the Driving device resulting belt retraction force also at a distance from Plant center at the hitherto still centered band on.
  • the known tape position control system consists essentially of a tape edge detection system. a belt positioner and a hydraulic Adjustment of upper drive roller with power and tilt control.
  • the Influencing the band position is done by pivoting / tilting the top Driving roller according to the mechanical described above Basics.
  • From the current position of the band edge by means of a Band edge scan is detected, and the position setpoint, which from the Bandwidth and plant dimensions is determined, the control difference formed for the band position controller.
  • Output size of the band position controller is the nominal value of the driving roller inclination, which is for the driving roller adjustment is given. There is no contact when the side guide rulers are open between the rulers and the band occurs, both the usual Wear of the rulers as well as band edge damage by the Side guide rulers avoided.
  • Essential for the function of the driving device as an actuator for the band position control is the influence of the outlet angle of the band (angle between the strip center line and the driving roller axis).
  • the angle caused by the curvature has the effect a disturbance, i. the angle from the ribbon curvature is at the Generation of the manipulated variable not taken into account and falsifies this in initially unknown size.
  • German Patent DE 197 09 992 C1 discloses a method for measuring the surface geometry of hot strip to produce of lines on the strip surface by means of a light source. With This method aims at a simple and effective capture of the band flatness These are made possible for a finer control of rolling and To use reel parameters.
  • the Hot strip or the face of a nascent coil is Projected via a slide projector, a line pattern, the via a CCD camera (charge coupled device) is detected.
  • the projector is above arranged the hot strip and projects the line pattern in one Angle to the vertical on the surface of the hot strip, so that the Lines preferably extend transversely to the strip surface and thus the record entire bandwidth.
  • the CCD camera detects the transversely across the belt surface running Lines.
  • An absolute band flatness creates a uniform pattern straight lines with unchanged line spacing. Deviations of the Band surface from the ideal plane cause a change in line spacing in the area of unevenness. This change captures the camera and can be calculated by a comparison with a reference pattern Convert easily into height differences. In a similar way while measuring flatness continuously, can be with the help of Monitor the flatness of the faces during reeling. The End face of the coil building up in the reel corresponds to the Strip surface. This measurement method enables a fast on-line determination the actual height differences of the belt surface and thus allows real-time detection and control of continuous tape sections.
  • the present invention has for its object a method and for positionally winding a hot strip in a reel device to create, with which an optimization of the winding result of Walzbandcoils is achieved. Preceding are lateral deflections of the individual coil windings of the rolled strip are avoided during reeling and the wrapped coils tightly wrapped around the DIN requirements, as round as possible and as straight as possible.
  • the limit measures for a Coil in the winding state are specified in DIN 1016.
  • This object is achieved with a method for positionally winding a rolled hot strip in a coiler thereby solved that determines the surface geometry of the rolled strip as a measured variable and supplied to the controller.
  • the device for positional Winding a hot strip in a reel device is this object by the arrangement of a measuring device for the determination the surface geometry of the rolled strip in the area in front of Driving device, the measured variable is supplied to the controller solved.
  • the dependent claims 2 to 6 and 8 to 10 are advantageous embodiments of the method or the device specified.
  • the inventive method for positionally correct winding a Hot strip in a reel device and its associated device can be mapped in a multi-size belt position control system with feedforward control be that essentially from a measuring system for detecting the Belt surface geometry and belt edge position, a multi-variable controller for the tape tension and the tape position, a feedforward that the influence takes into account the surface geometry of the incoming strip, an observer to estimate the tape position on the coil and the tape train between driver and mandrel and a hydraulic adjustment of upper drive roller via a force and tilt control.
  • the reference variable for the strip tension of Driving device is sized so that the complete withdrawal takeover by the driving device during the unthreading of the rolled strip
  • the last scaffolding of the finishing train is not broken, but already before Ausfädelung the end of the tape from the finishing stand a continuously differentiable Increase until full takeover takes place. This will be successful winding heels avoided in the coil.
  • the main advantages of the inventive method of the device are that the band surface geometry in the inlet to the reel device is predicted by a feedforward, the location of the Bandes on the coil by observers using physical verifiable Models is estimated as well as the strip tension under consideration the incoming belt surface geometry and the current one Bandlage is optimized.
  • FIG. 1 shows a schematic side view of an end section an outlet roller table 1, the input side with a not shown Finishing scaffold is connected to a hot strip mill.
  • a finish-rolled hot strip 2 on the exit roller table 1 is a finish-rolled hot strip 2 in the direction of a reel device 3 promoted with an upstream drive device 4.
  • the Reel device is the hot strip 2 to coils 5 wound up.
  • the am End of the outlet roller table 1 arranged driving device 4 is in essentially from a lower drive roller 6 and an upper drive roller. 7
  • the upper drive roller 7 is not shown hydraulic piston / cylinder units for the adjustment and adjustment of the gap between the drive rollers 6 and 7 in the direction of the lower drive roller 6 adjustable and laterally tiltable.
  • a detailed view of the driving rollers 6 and 7 of Driving device 4 shows, is an inclined upper drive roller 7 and a wedge-shaped Driving roller gap 17 shown.
  • the orientation of the incoming Walzbandes 2 in the direction of the reel device 3 exclusively based the inclination adjustment of the drive rollers 6 and 7 to each other and the mechanical Fundamentals of the hereby effected transverse displacement of Hot strip in the Examrollenenspalt is already extensively in the appreciation of German Offenlegungschrift DE 38 28 356 A1 which is herewith part of the description.
  • the lower drive roller 6 is cambered.
  • the driving device 4 including their unillustrated drives has in addition to the task described above, the incoming hot strip in Direction of the reel device 3 to guide and align the tasks, to tighten the beginning of the hot strip 2 coming from the finishing line, the incoming tape tip in the direction of the reel device. 3 to guide and the withdrawal of the hot strip 2 against the reel device 3 to ensure during the winding process.
  • the reel device 3 consists essentially of a driven and expandable mandrel 8 for winding the rolled strip 2 and not shown Pressure rollers and guide shells for guiding the rolled strip 2 during the winding process.
  • To initiate the winding process is the tip of the hot strip 2 of the drive rollers 6 and 7 from the Level of the outlet roller table 1 down to the winding mandrel 8 deflected out. Then lead the pressure rollers and the guide shells of the reel device 3 the beginning of the tape several times around the rotating mandrel wherein the segments of the mandrel 8 are continuously spread until the Rolled strip 2 frictionally connected to tightly wound turns is wound.
  • the essential functions of the reel device 3 are, to ensure the frictional connection of the strip beginning and mandrel 8, to carry the coil 5 formed during winding and the band 2 during to apply the winding with a defined strip tension.
  • adjustable side guide rulers 11 provided to the beginning of the hot strip 2 for shrinking to align with the reel device 3.
  • the side guide rulers 11 are opened during the reeling process.
  • the measuring devices 12 and 13 are preferably in front of the side guide rulers 11 and after the not shown Cooling section arranged in the course of the outlet roller table 1.
  • the Measuring device 13 for determining the surface geometry of the rolled strip 2 has a projector 18 and a camera 19 and their function is already initially connected with the appreciation of the German Patent DE 197 09 992 C1 has been explained in more detail herewith Part of the description will be.
  • FIG. 3 shows a block diagram of a control loop for a multi-variable control the band layer of a hot strip 2 in the region of a reel device 3.
  • the manipulated variables for the driving roller adjustment Nominal drive roller inclination
  • the drive roller drive target belt tension torque
  • a multi-variable controller 14 there becomes the influence of the band surface geometry, in particular the so-called "Saber" shape, compensated by a pilot control 15.
  • Feedforward control 15 becomes the result of belt surface geometry measurement 13 and the strip tension a fictitious transverse bending moment determined, the is compensated by appropriate inclination of the upper drive roller 6 to a lateral displacement of the rolled strip 2 due to the strip surface geometry to avoid.
  • the tape layer on the coil for their measurement so far none in rolling operation feasible methods are known, and the strip tension between the driving device 5 and 8 thorn with the help of observers 16 (model-based determination of non-measurable quantities from measured quantities) estimated and attributed to the formation of regulatory differences. For this is the tape edge position before the driver by means of the measuring device 12 certainly.
  • the multisize controller 14 As a guide variables, the multisize controller 14, the desired band edge position and the desired strip tension supplied.
  • the reference variable for the Bandzug the driving device 5 is designed so that the complete Return takeover by the driving device 5 during the unthreading of the rolled strip 2 from the last frame of the finishing train is not abruptly but a steadily differentiable increase until full takeover takes place, which already begins before the end of the tape is threaded out.
  • model-based determination (observer 16) of the actual position of the band edges is preferably the strip tension, the driver roll inclination, belt speed, Tape layer in front of the driver and surface geometry of the Rolled strip used.
  • the control of the drive of the mandrel 8 via a speed control with subordinate torque and current control.
  • Engine torques are given the specific belt data. This will be be achieved that the strip tension adapted to the tape cross-section and is constant over the tape length.
  • the regulation of the drives of the drive rollers 6 and 7 are via a speed control with subordinate Current control.
  • the hydraulic adjustment of the upper drive roller 7 takes place via a force and tilt control.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
EP01962413A 2000-03-27 2001-03-22 Verfahren und vorrichtung zum lagegerechten aufwickeln eines gewalzten warmbandes in einer haspelvorrichtung Expired - Lifetime EP1278606B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10014813 2000-03-27
DE10014813A DE10014813B4 (de) 2000-03-27 2000-03-27 Verfahren und Vorrichtung zum lagegerechten Aufwickeln eines gewalzten Warmbandes in einer Haspelvorrichtung
PCT/EP2001/003251 WO2001072444A1 (de) 2000-03-27 2001-03-22 Verfahren und vorrichtung zum lagegerechten aufwickeln eines gewalzten warmbandes in einer haspelvorrichtung

Publications (2)

Publication Number Publication Date
EP1278606A1 EP1278606A1 (de) 2003-01-29
EP1278606B1 true EP1278606B1 (de) 2005-02-09

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EP01962413A Expired - Lifetime EP1278606B1 (de) 2000-03-27 2001-03-22 Verfahren und vorrichtung zum lagegerechten aufwickeln eines gewalzten warmbandes in einer haspelvorrichtung

Country Status (6)

Country Link
US (1) US6874724B2 (ja)
EP (1) EP1278606B1 (ja)
JP (1) JP4842488B2 (ja)
KR (1) KR100702745B1 (ja)
DE (2) DE10014813B4 (ja)
WO (1) WO2001072444A1 (ja)

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CN104607493B (zh) * 2015-01-19 2016-10-19 宁波钢铁有限公司 一种比例控制为主积分控制为辅的卷取位置控制方法
EP3456426B1 (de) * 2017-09-19 2020-07-15 Primetals Technologies Germany GmbH Kühlung eines schräg gestellten flachen walzguts
CN108543813B (zh) * 2018-03-27 2021-03-09 北京首钢股份有限公司 一种改善热轧热卷箱卷型的工艺控制方法
CN109363835B (zh) * 2018-12-03 2023-05-05 广东佰分爱卫生用品有限公司 一种制备纸尿裤用的无纺布运动位置矫正设备
CN111633032B (zh) * 2020-05-29 2021-11-19 首钢京唐钢铁联合有限责任公司 一种带钢尾部防拉断方法
CN111842505A (zh) * 2020-06-12 2020-10-30 宝钢湛江钢铁有限公司 一种用于五机架六辊冷连轧机组的倾辊控制方法
CN113357921A (zh) * 2021-05-17 2021-09-07 山东莱钢永锋钢铁有限公司 一种加热炉出炉辊道控制系统
TWI803387B (zh) * 2022-07-12 2023-05-21 中國鋼鐵股份有限公司 熱軋軋延穩定方法
DE102022210959A1 (de) * 2022-10-17 2024-04-18 Sms Group Gmbh Walzanlage und Verfahren zu deren Betrieb

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Also Published As

Publication number Publication date
KR100702745B1 (ko) 2007-04-03
DE50105307D1 (de) 2005-03-17
US20030102401A1 (en) 2003-06-05
EP1278606A1 (de) 2003-01-29
WO2001072444A1 (de) 2001-10-04
US6874724B2 (en) 2005-04-05
DE10014813A1 (de) 2001-10-11
JP2004500245A (ja) 2004-01-08
KR20020093862A (ko) 2002-12-16
DE10014813B4 (de) 2005-10-06
JP4842488B2 (ja) 2011-12-21

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