EP2195126B1 - Walzvorrichtung und verfahren für deren betrieb - Google Patents

Walzvorrichtung und verfahren für deren betrieb Download PDF

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Publication number
EP2195126B1
EP2195126B1 EP08802476A EP08802476A EP2195126B1 EP 2195126 B1 EP2195126 B1 EP 2195126B1 EP 08802476 A EP08802476 A EP 08802476A EP 08802476 A EP08802476 A EP 08802476A EP 2195126 B1 EP2195126 B1 EP 2195126B1
Authority
EP
European Patent Office
Prior art keywords
rolling
planarity
setting
rolls
rolling stock
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
EP08802476A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2195126A1 (de
Inventor
Dietrich Mathweis
Hans-Peter Richter
Hartmut Pawelski
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 EP2195126A1 publication Critical patent/EP2195126A1/de
Application granted granted Critical
Publication of EP2195126B1 publication Critical patent/EP2195126B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • 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
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
    • 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
    • B21B37/38—Control of flatness or profile during rolling of strip, sheets or plates using roll bending
    • 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
    • B21B37/40—Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls
    • 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
    • B21B37/42—Control of flatness or profile during rolling of strip, sheets or plates using a combination of roll bending and axial shifting of the rolls
    • 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
    • B21B37/44—Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
    • 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
    • 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

Definitions

  • the invention relates to a rolling device according to the preamble of claim 1 and a method for its operation according to claim 5.
  • Rollers are well known in the art.
  • such rolling devices are known in which a pair of work rolls are acted upon by at least two opposite the work rolls larger support rollers for receiving the rolling forces.
  • the flatness of the rolling stock may vary, whereby a material backlog can arise immediately before the nip between the work rolls. If the material backlog can not be compensated in time and precisely enough, unevenness in the flatness of the rolled material will result, which leads to a loss in quality of the rolling stock and which may make the rolling stock completely unsuitable for some applications.
  • the DE 27 43 130 discloses a rolling apparatus with thickness measuring devices in front of and behind the nip, with which a predefinable thickness tolerance can be achieved. However, so that the effect of the material backlog can not be resolved, because the sensors in turn is located far away from the nip. In addition, a local thickness deviation can be meaningful only in conjunction with an accurate profile reference. An unplanarity can not be sufficiently qualified.
  • the object is achieved with respect to the rolling device, by a rolling device according to the features of claim 1 with rolling device with at least two work rolls and a nip between the work rolls for performing and rolling a rolling stock, such as a belt preferably made of metal, and optionally an arrangement of Support rollers, further comprising at least one measuring device is provided for measuring a backlog of the rolling stock of the rolling stock in front of the nip, further wherein a control or regulating unit is provided, which actuates actuators for adjusting the flatness of the rolling stock due to the signals of the measuring device.
  • a planheft measuring device which also provides signals for the control or regulating unit, whereupon it controls in response to the signals of the measuring device and the flatness measuring device, the actuators for adjusting the flatness of the rolling stock ,
  • an actuator for adjusting the flatness of the rolling stock an actuator for adjusting the inclination of the work rolls and / or the intermediate rolls and / or the backup rolls, the bending of the work rolls and / or the intermediate rolls, and / or the backup rolls, the Axial displacement of the work rolls and / or the intermediate rolls, for example, in the context of a Continuously Variable Crown (CVC) shift, a minimum quantity lubrication and / or a temperature control or temperature control of the belt and / or the work rolls.
  • CVC Continuously Variable Crown
  • the at least one measuring device for measuring a backlog of the rolling material of the rolling stock in front of the roll gap is an optically or mechanically measuring measuring device.
  • the object with respect to the method is achieved by a method for operating a rolling device according to claim 5.
  • the advantages of this method correspond to the advantages stated above with respect to the device.
  • the at least one measuring device for measuring a backlog of the rolling material of the rolling stock before the roll gap detects the backlog optically or mechanically.
  • the FIG. 1 schematically shows a rolling device 1 with two work rolls 2,3 between which a roll gap 4 is provided and between which a rolling stock 5, such as a strip 6 or metal strip, in particular a steel strip is rolled.
  • the work rolls 2, 3 are advantageously loaded in a known manner with support rolls 7, 8 in each case.
  • the backlog arises because at least temporarily more material of the rolling stock per unit time before the nip is transported or pressed than can be rolled during the same time unit and can pass through the nip.
  • the backwater is created in areas of local belt voltage drop.
  • the device 1 further comprises at least one measuring device 11 or at least one sensor which detects a material backlog 10 at the strip inlet of the roll gap.
  • This at least one measuring device 11 is a preferably mechanically measuring or non-contact measuring sensor.
  • the non-contact measuring sensor is preferably an optically measuring sensor, which optically detects the partly even only local material backlog 10.
  • the backlog in the form of a local overreduction is visible as a drop in the belt tension in these areas to ripple in front of the nip and visible to the measuring device.
  • the sensor or the measuring device 11 is arranged on the input side of the roll gap 4 and preferably detects near the roll gap 4 or in the immediate vicinity of the roll gap 4, the material backlog 10, for example, due to a surface variation of the rolling stock 5, such as the belt 6.
  • the sensor is so stated that the measurement of the material backpressure in front of the nip is made in a range of about one meter or less in front of the nip, preferably detecting a measurement of the material backlog in the range of about 200 to 300 mm in front of the nip.
  • a flatness measuring device such as a flatness measuring roller 12
  • a flatness measuring device which detects the flatness of the belt 6 behind the rolling device 1 with the nip 4.
  • the signals of the backflow measurement sensor 11 or the signals of the backflow measurement sensor 11 and the flatness measurement device 12 are fed to a control or regulating unit 13 which, based on the available input data, outputs at least one drive signal 14 or a plurality of drive signals for the actuators 15, 16, 17, 18 and 19, such as flatness actuators, of the rolling arrangement, by means of which the actuators 15, 16 17, 18 and 19 are controlled to control or control the flatness of the rolling stock.
  • the signals from the sensors 10 and 11 are fed to the control or regulating unit 13, wherein a weighting can be carried out between the two sensors or their signals, each of which can be acted upon by a preselectable additive summand and a multiplicative factor and / or individually or both Signals can be acted upon with delay elements and / or be acted upon with filters.
  • a stable strip running under stable rolling conditions can be achieved, with prompt engagement can be made when a backwater 10 of the rolling material is detected in front of the nip 4.
  • a pass of 300 mm can be made in 0.3 seconds, so that a quick response in the range of tenths of a second or less is advantageous to control the material backlog before the nip.
  • a quick control intervention or control intervention in the case of a changing band profile, with a changed flatness, for example at the beginning of the band, at the band end or in the case of a weld seam can be undertaken.
  • CVC Continuously Variable Crown
EP08802476A 2007-09-26 2008-09-22 Walzvorrichtung und verfahren für deren betrieb Active EP2195126B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007046189 2007-09-26
DE102008015828A DE102008015828A1 (de) 2007-09-26 2008-03-27 Walzvorrichtung und Verfahren für deren Betrieb
PCT/EP2008/007981 WO2009043501A1 (de) 2007-09-26 2008-09-22 Walzvorrichtung und verfahren für deren betrieb

Publications (2)

Publication Number Publication Date
EP2195126A1 EP2195126A1 (de) 2010-06-16
EP2195126B1 true EP2195126B1 (de) 2012-11-14

Family

ID=40384509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08802476A Active EP2195126B1 (de) 2007-09-26 2008-09-22 Walzvorrichtung und verfahren für deren betrieb

Country Status (15)

Country Link
US (1) US20110030433A1 (ko)
EP (1) EP2195126B1 (ko)
JP (1) JP5490701B2 (ko)
KR (1) KR101185391B1 (ko)
CN (1) CN101808759B (ko)
AU (1) AU2008306213A1 (ko)
BR (1) BRPI0817341A2 (ko)
CA (1) CA2700752C (ko)
DE (1) DE102008015828A1 (ko)
ES (1) ES2394234T3 (ko)
MX (1) MX2010003239A (ko)
RU (1) RU2427437C1 (ko)
TW (1) TWI346587B (ko)
WO (1) WO2009043501A1 (ko)
ZA (1) ZA201000566B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060243A1 (de) 2009-12-23 2011-06-30 SMS Siemag Aktiengesellschaft, 40237 Planheitsbestimmung eines Metallbands durch Messung des Profils
AT513245B1 (de) * 2012-12-11 2014-03-15 Siemens Vai Metals Tech Gmbh Planheitsmessung und Messung der Eigenspannungen für ein metallisches Flachprodukt
CN104785542B (zh) * 2014-01-22 2016-10-05 宝山钢铁股份有限公司 一种粗轧机张力调节控制方法
US9758044B2 (en) * 2014-10-02 2017-09-12 Ford Global Technologies, Llc Bus leakage resistance estimation for electrical isolation testing and diagnostics
JP7067541B2 (ja) * 2019-10-31 2022-05-16 Ｊｆｅスチール株式会社 圧延機の制御方法および制御装置

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JPS4612897B1 (ko) * 1967-07-07 1971-04-02
AT345237B (de) 1976-12-28 1978-09-11 Voest Ag Vorrichtung zum walzen von band- oder tafelfoermigem walzgut
JPS5467550A (en) * 1977-11-09 1979-05-31 Mitsubishi Electric Corp Shape control of rolled material
DE2911621A1 (de) * 1978-03-31 1979-10-04 Loewy Robertson Eng Co Ltd Verfahren zum betreiben eines walzwerks zur erzeugung von metallbaendern
DE3038865C1 (de) * 1980-10-15 1982-12-23 SMS Schloemann-Siemag AG, 4000 Düsseldorf Walzgeruest mit axial verschiebbaren Walzen
DE3240602A1 (de) 1982-11-03 1984-06-14 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH, 4000 Düsseldorf Verfahren zum regeln der zugspannungsverteilung beim kaltwalzen von baendern
JPS60148608A (ja) * 1984-01-11 1985-08-05 Hitachi Ltd 異周速圧延制御におけるセツトアツプ方法
US4771622A (en) * 1986-03-12 1988-09-20 International Rolling Mill Consultants Inc. Strip rolling mill apparatus
JPS6316805A (ja) * 1986-07-07 1988-01-23 Nippon Steel Corp 圧延方法
JPH0818058B2 (ja) * 1987-06-12 1996-02-28 川崎製鉄株式会社 厚板圧延の自動板厚制御方法
DE3823202A1 (de) * 1988-07-08 1990-01-11 Betr Forsch Inst Angew Forsch Verfahren zum kaltwalzen von blechen und baendern
JPH0523723A (ja) * 1991-07-24 1993-02-02 Toshiba Corp 平坦度測定装置及びこの平坦度測定装置を用いた連続圧延機の制御装置
JP3056668B2 (ja) * 1995-04-21 2000-06-26 新日本製鐵株式会社 ストリップ連続鋳造熱間圧延熱処理設備およびストリップ連続鋳造熱間圧延熱処理方法
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US6668626B2 (en) * 2001-03-01 2003-12-30 Abb Ab System and a method for measuring and determining flatness
DE10352546A1 (de) * 2003-09-04 2005-03-31 Sms Demag Ag Verfahren und Vorrichtung zum Aufbringen einer regelbaren Zugspannungsverteilung, insbesondere in den Kantenbereichen kaltgewalzter Metallbänder
DE102004032634A1 (de) * 2004-07-06 2006-02-16 Sms Demag Ag Verfahren und Einrichtung zum Messen und Regeln der Planheit und/oder der Bandspannungen eines Edelstahlbandes oder einer Edelstahlfolie beim Kaltwalzen in einem Vielwalzengerüst, insbesondere in einem 20-Walzen-Sendizimir-Walzwerk
JP4049765B2 (ja) * 2004-07-09 2008-02-20 株式会社日立製作所 熱間圧延ミルのクラウン制御装置およびその制御方法
AT501314B1 (de) * 2004-10-13 2012-03-15 Voest Alpine Ind Anlagen Verfahren und vorrichtung zum kontinuierlichen herstellen eines dünnen metallbandes
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JP4556856B2 (ja) * 2005-12-02 2010-10-06 株式会社Ｉｈｉ 圧延装置

Also Published As

Publication number Publication date
RU2427437C1 (ru) 2011-08-27
KR20100039893A (ko) 2010-04-16
JP2010540250A (ja) 2010-12-24
AU2008306213A1 (en) 2009-04-09
CA2700752A1 (en) 2009-04-09
ES2394234T3 (es) 2013-01-23
ZA201000566B (en) 2010-09-29
BRPI0817341A2 (pt) 2015-03-31
CN101808759B (zh) 2012-11-28
DE102008015828A1 (de) 2009-04-02
WO2009043501A1 (de) 2009-04-09
MX2010003239A (es) 2010-04-21
EP2195126A1 (de) 2010-06-16
CN101808759A (zh) 2010-08-18
CA2700752C (en) 2012-07-24
US20110030433A1 (en) 2011-02-10
JP5490701B2 (ja) 2014-05-14
TWI346587B (en) 2011-08-11
TW200914159A (en) 2009-04-01
KR101185391B1 (ko) 2012-09-25

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