EP1896200B1 - Verfahren und vorrichtung zur gezielten beeinflussung der vorbandgeometrie in einem vorgerüst - Google Patents

Verfahren und vorrichtung zur gezielten beeinflussung der vorbandgeometrie in einem vorgerüst Download PDF

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Publication number
EP1896200B1
EP1896200B1 EP06742867A EP06742867A EP1896200B1 EP 1896200 B1 EP1896200 B1 EP 1896200B1 EP 06742867 A EP06742867 A EP 06742867A EP 06742867 A EP06742867 A EP 06742867A EP 1896200 B1 EP1896200 B1 EP 1896200B1
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EP
European Patent Office
Prior art keywords
rolling
regulation
force
stand
lateral guides
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
EP06742867A
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German (de)
English (en)
French (fr)
Other versions
EP1896200A1 (de
Inventor
Olaf Norman Jepsen
Heinz-Adolf MÜLLER
Joachim Immekus
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SMS Siemag AG
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SMS Siemag AG
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Publication date
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Publication of EP1896200A1 publication Critical patent/EP1896200A1/de
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Publication of EP1896200B1 publication Critical patent/EP1896200B1/de
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Classifications

    • 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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • 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
    • B21B39/14—Guiding, positioning or aligning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2263/00—Shape of product
    • B21B2263/02—Profile, e.g. of plate, hot strip, sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/04—Lateral deviation, meandering, camber of product
    • 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
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/62—Roll-force control; Roll-gap control by control of a hydraulic adjusting device
    • 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
    • B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass

Definitions

  • the invention relates to a method and an apparatus for hot rolling in a hot strip mill or in Steckel streets, wherein in one or more roughing stands slabs are rolled out into pre-bands.
  • the resulting pre-bands should be straight, d. H. they should have little sag and they should not have a thickness wedge over the bandwidth.
  • the roughing scaffolding not only has the task of preserving the pre-strip geometry, but also of improving it in a targeted manner, since the slabs entering the scaffolding can already be wedge-shaped or sawed. A change in the Vorbandgeometrie is possible, especially in the first stitches, since the slab thickness in relation to the width is still relatively large and thus a material cross flow in the nip is possible.
  • a device for controlling the position of the tape run, in particular during finish rolling is known in which arranged next to the rolled strip guide rails bending bars with guide rollers which are pressed laterally against the rolled strip.
  • the position control of these roles is superimposed by a pressure control, which causes a shift in the guide rails or guide rollers in the opening direction when occurring compression forces exceeding a predetermined setpoint.
  • the object is procedurally achieved with the characterizing features of claim 1, characterized in that for the targeted influencing the Vorbandgeometrie at least one roughing stand by appropriate regulations a dynamic employment in the roughing stand with fast and powerful side guides before and behind the roughing stand are linked together so that in one or more stitches targeted, reversing or in continuous operation, a säblige or wedged slab is transformed into a straight and wedge-free Vorband.
  • Advantageous embodiments are specified in the subclaims.
  • the inventive influence on the Vorbandgeometrie is carried out with the help of employment in the horizontal frame and the two adjustable side guides in front of and behind the framework.
  • the employment in the horizontal framework ensures a constant strip thickness over the bandwidth (no thickness wedge).
  • the appointment is with the pivot to control RAC (R oll A lignment C ontrol), which was not used for roughing stands previously regulated so that the nip remain parallel even if emanating from the band interference.
  • Disturbances are mainly an incoming thickness wedge over the bandwidth, temperature differences across the bandwidth, off-center position of the strip in the nip and uneven tension distribution across the bandwidth on the inlet side and the outlet side.
  • the principle of the swivel control is that the differential rolling force is measured and a swivel value is calculated by the swivel control. This is then used in each case in half as additional setpoint for the separate position controls the drive and operating side of the scaffold. For the employment of the contact forces by the hydraulic cylinder is then moved accordingly. In principle, the swivel control compensates for the skeletal strain, which arises due to the differential forces.
  • the task of the side guides is to prevent curving or twisting of the band (saber formation).
  • the side guides on each side are kept parallel and at the same distance from the center of the frame.
  • the synchronization of the opposite rulers of a side guide is realized mechanically and the employment carried out with electric or hydraulic drive.
  • hydraulically driven lateral guides are best suited, since hydraulic drives are very dynamic and, in addition to regulating the position, also allow force control in order to keep the belt straight.
  • the position control keeps the side guides at a distance that is slightly greater than the bandwidth and, for example, at the inlet side, the bandwidth is plus 10 mm and at the outlet side the bandwidth is plus 40 mm.
  • Position monitoring increases the force setpoint if the side guides want to escape.
  • FIG. 1 is the part of the inventive combination of regulations shown, which relates to the roll adjustment for the horizontal rollers of the roughing stand and that the control scheme of a swivel control RAC.
  • back-up rolls 3 and slab 4 shown Vorgerüst 1 cylinder forces F CAS , F CBS , applied to the drive side AS and on the operating side BS by means arranged on the bearing of the upper support roller 3 cylinder cylinder 15 and the resulting forces during rolling continuously measured at the lower bearing support surface of the support rollers.
  • the differential rolling force .DELTA.F LC is determined from the obtained force measured values F LcAS and F LcBS and fed together with a reference value .DELTA.F REF to the differential rolling force of the swivel control RAC 20 and a reference swivel value .DELTA.S RAC is calculated here.
  • This pivotal value .DELTA.S RAC is then used in half as additional setpoint together with the reference position S REF for the separate position controls 25 of the drive side AS and the operating side BS of the upper support roller 3, the employment then laterally engages the hydraulic cylinders 15.
  • FIG. 2 shows a roughing stand with back-up rolls 3 and work rolls 2 in a plan view.
  • adjusting devices 18 with hydraulic drive.
  • These adjusting devices 18 consist, as in the circuit diagram of Fig. 3 can be seen from a common hydraulic unit 11 (hydraulic pump), piston-cylinder units 12, control valves 13 and various hydraulic lines 10.
  • measuring devices for determining the piston position 14 and for determining the hydraulic pressure 19 are present.
  • the distance of the side guides 8 is widened wedge-shaped at its front end.
  • the two inventively simultaneously performed regulations are shown schematically in their effect.
  • the incoming in the rolling direction 7 in the rolling mill slab 4 (the rolling stand is symbolized only by the work roll 2) contains a designated over the slab width with h 0 wedge thickness profile with the drive side AS towards increasing thickness. Due to the rolling process, the wedge-shaped thickness profile was eliminated and a pre-strip with the thickness profile h 1 was produced.
  • the case applied by the work rolls 2 rolling force F WAS was on the drive side while greater than the rolling force F WBS on the operating side, whereby a material transverse flow in the direction of arrow 6 from the drive side to the operating side.
  • the incoming slab 4 are laterally supported by the side guides 8 and the outgoing pre-strip 5 by the side guides 9.
  • the supporting forces F 1 and F 2 in front of and behind the roll stand generate in response the tension profile ⁇ 0 in the incoming slab 4 and the tension profile ⁇ 1 in the outgoing sliver 5.
  • These tension profiles ⁇ 0 , ⁇ 1 act on the roll gap and allow the material transverse flow 6, which allows the correction of the geometric error of the slab.
  • FIG. 5 are the options described above, the coupling of the employment of the rollers and the side guides according to the invention with the aim to limit the load on the control systems and to distribute the correction of the slab geometry on several stitches, shown schematically.
  • the invention is not limited to the illustrated embodiments, but, for example, according to the type of used Vorbandgerüste or drives used for the side guides variable if the inventive measure of linking a pivoting control RAC of the rollers with the mechanical employment of side guides for the rolling continue underlying.
EP06742867A 2005-05-11 2006-05-10 Verfahren und vorrichtung zur gezielten beeinflussung der vorbandgeometrie in einem vorgerüst Active EP1896200B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005021769A DE102005021769A1 (de) 2005-05-11 2005-05-11 Verfahren und Vorrichtung zur gezielten Beeinflussung der Vorbandgeometrie in einem Vorgerüst
PCT/EP2006/004392 WO2006119984A1 (de) 2005-05-11 2006-05-10 Verfahren und vorrichtung zur gezielten beeinflussung der vorbandgeometrie in einem vorgerüst

Publications (2)

Publication Number Publication Date
EP1896200A1 EP1896200A1 (de) 2008-03-12
EP1896200B1 true EP1896200B1 (de) 2011-07-20

Family

ID=36691710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06742867A Active EP1896200B1 (de) 2005-05-11 2006-05-10 Verfahren und vorrichtung zur gezielten beeinflussung der vorbandgeometrie in einem vorgerüst

Country Status (17)

Country Link
US (1) US8429943B2 (ja)
EP (1) EP1896200B1 (ja)
JP (1) JP5253153B2 (ja)
KR (1) KR101138726B1 (ja)
CN (1) CN101175582B (ja)
AT (1) ATE516897T1 (ja)
AU (1) AU2006245966B2 (ja)
BR (1) BRPI0607449A8 (ja)
CA (1) CA2604503C (ja)
DE (1) DE102005021769A1 (ja)
ES (1) ES2367139T3 (ja)
MX (1) MX2007014109A (ja)
RU (1) RU2368443C2 (ja)
TW (1) TWI358332B (ja)
UA (1) UA91533C2 (ja)
WO (1) WO2006119984A1 (ja)
ZA (1) ZA200705219B (ja)

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DE102007035283A1 (de) 2007-07-27 2009-01-29 Siemens Ag Verfahren zur Einstellung eines Zustands eines Walzguts, insbesondere eines Vorbands
WO2010127929A1 (de) * 2009-05-06 2010-11-11 Siemens Aktiengesellschaft Verfahren zum herstellen eines in einer walzstrasse einer walzanlage gewalzten walzguts, steuer- und/oder regeleinrichtung für eine walzanlage zur herstellung von gewalztem walzgut, walzanlage zur herstellung von gewalztem walzgut, maschinenlesbarer programmcode und speichermedium
DE102009042694A1 (de) * 2009-09-23 2011-03-24 Sms Siemag Ag Modulare Führungseinrichtung
CN101934292B (zh) * 2010-08-31 2012-07-04 江苏省沙钢钢铁研究院有限公司 热轧带钢粗轧机组镰刀弯和楔形自动控制方法
EP2527056A1 (de) * 2011-05-24 2012-11-28 Siemens Aktiengesellschaft Verfahren zum Walzen von Platten, Computerprogramm, Datenträger und Steuereinrichtung
EP2689863A1 (de) 2012-07-27 2014-01-29 Siemens Aktiengesellschaft Verfahren zur gezielten Beeinflussung der Geometrie eines Walzguts
CN104668294A (zh) * 2013-11-28 2015-06-03 上海梅山钢铁股份有限公司 一种动态等厚度比楔形控制法
CN104772349B (zh) * 2014-01-09 2017-04-26 宝山钢铁股份有限公司 在热连轧中计算机控制的轧机的机架轧制力检测方法
EP2910316A1 (de) 2014-02-21 2015-08-26 Primetals Technologies Germany GmbH Einfache Vorsteuerung einer Keilanstellung eines Vorgerüsts
RU2615670C1 (ru) * 2015-10-05 2017-04-06 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Липецкий государственный технический университет" (ЛГТУ) Способ горячей прокатки полос
RU2685308C2 (ru) * 2016-05-13 2019-04-17 Ниппон Стил Энд Сумитомо Метал Корпорейшн Способ бокового обжатия и устройство бокового обжатия
WO2018095717A1 (de) 2016-11-24 2018-05-31 Primetals Technologies Germany Gmbh Bandlageregelung mit kraftbegrenzter anstellung von seitenführungen an das metallband und korrektur der walzenanstellung
CN106975659A (zh) * 2017-03-22 2017-07-25 山东宏旺实业有限公司 一种钢带热轧工艺
EP3599038A1 (de) * 2018-07-25 2020-01-29 Primetals Technologies Austria GmbH Verfahren und vorrichtung zur ermittlung der seitlichen bandkontur eines laufenden metallbandes
EP3714999B1 (de) * 2019-03-28 2022-09-28 Primetals Technologies Germany GmbH Ermittlung einer anstellung eines walzgerüsts
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
DE102021205275A1 (de) 2021-05-21 2022-11-24 Sms Group Gmbh Verfahren zum Betreiben eines Walzgerüstes

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Also Published As

Publication number Publication date
CN101175582A (zh) 2008-05-07
AU2006245966A2 (en) 2008-07-03
KR101138726B1 (ko) 2012-04-24
TWI358332B (en) 2012-02-21
CN101175582B (zh) 2011-04-13
RU2368443C2 (ru) 2009-09-27
KR20080005350A (ko) 2008-01-11
ZA200705219B (en) 2008-05-28
TW200702078A (en) 2007-01-16
EP1896200A1 (de) 2008-03-12
DE102005021769A1 (de) 2006-11-23
BRPI0607449A8 (pt) 2016-05-03
ATE516897T1 (de) 2011-08-15
AU2006245966A1 (en) 2006-11-16
US20090044587A1 (en) 2009-02-19
CA2604503C (en) 2012-11-06
RU2007126472A (ru) 2009-01-20
BRPI0607449A2 (pt) 2009-09-01
UA91533C2 (ru) 2010-08-10
ES2367139T3 (es) 2011-10-28
JP5253153B2 (ja) 2013-07-31
CA2604503A1 (en) 2006-11-16
MX2007014109A (es) 2008-02-05
US8429943B2 (en) 2013-04-30
WO2006119984A1 (de) 2006-11-16
JP2008540133A (ja) 2008-11-20
AU2006245966B2 (en) 2010-09-30

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