EP1761346B1 - Procede pour augmenter la stabilite au traitement, notamment la precision d'epaisseur absolue et la securite d'installation, lors du laminage a chaud de materiaux en acier ou en metal non ferreux - Google Patents

Procede pour augmenter la stabilite au traitement, notamment la precision d'epaisseur absolue et la securite d'installation, lors du laminage a chaud de materiaux en acier ou en metal non ferreux Download PDF

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Publication number
EP1761346B1
EP1761346B1 EP05700942A EP05700942A EP1761346B1 EP 1761346 B1 EP1761346 B1 EP 1761346B1 EP 05700942 A EP05700942 A EP 05700942A EP 05700942 A EP05700942 A EP 05700942A EP 1761346 B1 EP1761346 B1 EP 1761346B1
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European Patent Office
Prior art keywords
sub
reshaping
phip
rolling force
rolling
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EP05700942A
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German (de)
English (en)
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EP1761346A1 (fr
Inventor
Peter Lixfeld
Ulrich Skoda-Dopp
Harald Wehage
Wolfgang Grimm
Alexander Borowikow
Holger Blei
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.)
Gmt-Gesellschaft fur Metallurgische Technologie- und Softwareentwicklung Mbh
SMS Siemag AG
Ilsenburger Grobblech GmbH
Original Assignee
Gmt-Gesellschaft fur Metallurgische Technologie- und Softwareentwicklung Mbh
SMS Demag AG
Ilsenburger Grobblech GmbH
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Application filed by Gmt-Gesellschaft fur Metallurgische Technologie- und Softwareentwicklung Mbh, SMS Demag AG, Ilsenburger Grobblech GmbH filed Critical Gmt-Gesellschaft fur Metallurgische Technologie- und Softwareentwicklung Mbh
Publication of EP1761346A1 publication Critical patent/EP1761346A1/fr
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16Control of thickness, width, diameter or other transverse dimensions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Rolling (AREA)

Claims (4)

  1. Procédé pour augmenter la stabilité au traitement, en particulier la précision d'épaisseur absolue et la sécurité d'installation, lors du laminage à chaud de matériaux en acier ou en métal non ferreux, avec des petits taux de déformation (ϕ) ou des petites diminutions en prenant en compte la limite élastique à chaud (Re) lors du calcul de la force de consigne de laminage (Fw) et la position d'approche respective (s), caractérisé en ce que la limite élastique à chaud (Re) est déterminée en fonction de la température de déformation (T) et/ou de la vitesse de déformation (phip) et est intégrée dans la fonction de la tension au fluage (kf,R) pour la définition de la force de consigne de laminage (Fw) par la relation R e = a + e b 1 + b 2 T phip c
    Figure imgb0017
    en définissant un modèle multiplicatif de courbe de fluage autour de la limite élastique à chaud (Re) en fonction de la température de déformation (T) et de la vitesse de déformation (phip) selon la formule k f ; R = a + e b 1 + b 2 T phip c + k f 0 A 1 e m 1 T A 2 ϕ m 2 A 3 phip m 3
    Figure imgb0018

    dans laquelle signifient :
    Re: limite élastique à chaud
    T : température de déformation
    phip : vitesse de déformation
    a ; bi; c coefficients.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    la tension au fluage (kf,R) dans l'équation habituelle de force de laminage pour déterminer la force de consigne de laminage (Fw) en vue de la régulation d'épaisseur et également en vue de la modélisation du calcul et de procédés de régulation, est définie selon l'équation suivante : F w = Q p k f , R B R w h 0 - h 1 1 / 2
    Figure imgb0019

    dans laquelle signifient :
    Fw : force de consigne de laminage
    Qp : fonction pour prendre en compte la géométrie d'emprise et des relations de friction
    kf, R : tension au fluage, en prenant en compte la limite élastique
    B : largeur du matériau à laminer
    Rw : rayon de cylindre
    h0 : épaisseur avant la passe
    h1 : épaisseur après la passe
  3. Procédé selon l'une des revendications 1 ou 2,
    caractérisé en ce que
    en se basant sur la force de consigne de laminage (Fw), on calcule un module de matériau (CM) en prenant en compte la limite élastique à chaud (Re) en fonction de la température de déformation (T) et de la vitesse de déformation (phip) pour des taux de déformation inférieurs à un taux de déformation limite (ϕG) spécifique au matériau, selon la formule C M = F W - F m / d h 1
    Figure imgb0020

    dans laquelle signifient :
    CM : module de matériau
    Fw : force de consigne de laminage
    Fm : force de laminage mesurée
    dh1 : modification de l'épaisseur de sortie.
  4. Procédé selon la revendication 3,
    caractérisé en ce que
    l'équation de jauge habituelle est étendue en une forme d s AGC = 1 + C M / C G d h 1 = 1 + C M / C G F W - F m / C G + s - s consigne
    Figure imgb0021

    dans laquelle signifient :
    dsAGC : modification du réglage de l'emprise
    CM : module de matériau
    CG: module de cage de laminoir
    dh1 : modification de l'épaisseur de sortie
    Fw : force de consigne de laminage
    Fm : force de laminage mesurée
    s : approche de l'emprise
    sconsigne : approche de consigne de l'emprise
EP05700942A 2004-01-23 2005-01-14 Procede pour augmenter la stabilite au traitement, notamment la precision d'epaisseur absolue et la securite d'installation, lors du laminage a chaud de materiaux en acier ou en metal non ferreux Active EP1761346B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004003514A DE102004003514A1 (de) 2004-01-23 2004-01-23 Verfahren zum Erhöhen der Prozessstabilität, insbesondere der absoluten Dickengenauigkeit und der Anlagensicherheit, beim Warmwalzen von Stahl- oder NE-Werkstoffen
PCT/EP2005/000348 WO2005070575A1 (fr) 2004-01-23 2005-01-14 Procede pour augmenter la stabilite au traitement, notamment la precision d'epaisseur absolue et la securite d'installation, lors du laminage a chaud de materiaux en acier ou en metal non ferreux

Publications (2)

Publication Number Publication Date
EP1761346A1 EP1761346A1 (fr) 2007-03-14
EP1761346B1 true EP1761346B1 (fr) 2007-10-31

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EP05700942A Active EP1761346B1 (fr) 2004-01-23 2005-01-14 Procede pour augmenter la stabilite au traitement, notamment la precision d'epaisseur absolue et la securite d'installation, lors du laminage a chaud de materiaux en acier ou en metal non ferreux

Country Status (15)

Country Link
US (1) US7444847B2 (fr)
EP (1) EP1761346B1 (fr)
JP (1) JP2007534493A (fr)
KR (1) KR101140577B1 (fr)
CN (1) CN100479942C (fr)
AT (1) ATE376896T1 (fr)
AU (1) AU2005205889B2 (fr)
BR (1) BRPI0507045A (fr)
CA (1) CA2554131C (fr)
DE (2) DE102004003514A1 (fr)
ES (1) ES2298994T3 (fr)
RU (1) RU2408445C2 (fr)
TW (1) TWI323197B (fr)
UA (1) UA86220C2 (fr)
WO (1) WO2005070575A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890434B (zh) * 2010-07-06 2012-05-23 东北大学 周期变厚度带材轧制速度的控制方法
IT201700035735A1 (it) * 2017-03-31 2018-10-01 Marcegaglia Carbon Steel S P A Apparato di valutazione di proprietà meccaniche e microstrutturali di un materiale metallico, in particolare un acciaio, e relativo metodo
CN111475917B (zh) * 2020-03-10 2024-06-07 江阴兴澄特种钢铁有限公司 常用钢种GCr15、60Si2Mn、42CrMo变形抗力计算方法
CN113996660B (zh) * 2021-09-28 2023-06-27 大冶特殊钢有限公司 一种大顶管机顶管变形方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226510B2 (fr) * 1973-05-10 1977-07-14
JPS54131555A (en) * 1978-04-03 1979-10-12 Fuji Electric Co Ltd Mimic device for rolling machine
JPH0569021A (ja) * 1991-09-09 1993-03-23 Toshiba Corp 圧延機の制御方法および装置
DE4141230A1 (de) 1991-12-13 1993-06-24 Siemens Ag Walzplan-berechnungsverfahren
DE19728979A1 (de) 1997-07-07 1998-09-10 Siemens Ag Verfahren und Einrichtung zur Steuerung bzw. Voreinstellung eines Walzgerüstes
JP3681283B2 (ja) * 1997-07-31 2005-08-10 株式会社神戸製鋼所 圧延機のセットアップ装置
JPH11123432A (ja) * 1997-10-22 1999-05-11 Nkk Corp 冷間圧延における圧延荷重推定方法
JPH11156413A (ja) * 1997-11-21 1999-06-15 Daido Steel Co Ltd 金属材料の塑性加工に関する変形抵抗を予測する方法
JP3302930B2 (ja) * 1998-08-17 2002-07-15 川崎製鉄株式会社 圧延機の走間設定変更方法

Also Published As

Publication number Publication date
CN100479942C (zh) 2009-04-22
DE502005001843D1 (de) 2007-12-13
KR20060126755A (ko) 2006-12-08
BRPI0507045A (pt) 2007-06-12
CA2554131C (fr) 2011-09-27
WO2005070575A1 (fr) 2005-08-04
RU2006130369A (ru) 2008-02-27
KR101140577B1 (ko) 2012-05-02
AU2005205889B2 (en) 2010-03-25
CA2554131A1 (fr) 2005-08-04
DE102004003514A1 (de) 2005-08-11
US7444847B2 (en) 2008-11-04
AU2005205889A1 (en) 2005-08-04
UA86220C2 (uk) 2009-04-10
TWI323197B (en) 2010-04-11
US20070256464A1 (en) 2007-11-08
TW200600215A (en) 2006-01-01
ES2298994T3 (es) 2008-05-16
ATE376896T1 (de) 2007-11-15
JP2007534493A (ja) 2007-11-29
EP1761346A1 (fr) 2007-03-14
CN1909986A (zh) 2007-02-07
RU2408445C2 (ru) 2011-01-10

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