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 PDFInfo
- 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
- Authority
- EP
- European Patent Office
- Prior art keywords
- sub
- reshaping
- phip
- rolling force
- rolling
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 8
- 238000005098 hot rolling Methods 0.000 title claims abstract description 8
- 239000010959 steel Substances 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 title abstract 2
- 238000005096 rolling process Methods 0.000 claims abstract description 49
- 230000009467 reduction Effects 0.000 claims abstract 3
- 238000004364 calculation method Methods 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000001595 flow curve Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- UQVKZNNCIHJZLS-UHFFFAOYSA-N PhIP Chemical compound C1=C2N(C)C(N)=NC2=NC=C1C1=CC=CC=C1 UQVKZNNCIHJZLS-UHFFFAOYSA-N 0.000 description 10
- 230000007423 decrease Effects 0.000 description 10
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 206010003402 Arthropod sting Diseases 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Images
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
-
- 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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
Claims (4)
- 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
dans laquelle signifient :Re: limite élastique à chaudT : température de déformationphip : vitesse de déformationa ; bi; c coefficients. - 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 :
dans laquelle signifient :Fw : force de consigne de laminageQp : fonction pour prendre en compte la géométrie d'emprise et des relations de frictionkf, R : tension au fluage, en prenant en compte la limite élastiqueB : largeur du matériau à laminerRw : rayon de cylindreh0 : épaisseur avant la passeh1 : épaisseur après la passe - 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
dans laquelle signifient :CM : module de matériauFw : force de consigne de laminageFm : force de laminage mesuréedh1 : modification de l'épaisseur de sortie. - Procédé selon la revendication 3,
caractérisé en ce que
l'équation de jauge habituelle est étendue en une forme
dans laquelle signifient :dsAGC : modification du réglage de l'empriseCM : module de matériauCG: module de cage de laminoirdh1 : modification de l'épaisseur de sortieFw : force de consigne de laminageFm : force de laminage mesurées : approche de l'emprisesconsigne : approche de consigne de l'emprise
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 |
Family
ID=34745039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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)
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)
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 |
-
2004
- 2004-01-23 DE DE102004003514A patent/DE102004003514A1/de not_active Withdrawn
-
2005
- 2005-01-13 TW TW094100944A patent/TWI323197B/zh not_active IP Right Cessation
- 2005-01-14 KR KR1020067015613A patent/KR101140577B1/ko not_active IP Right Cessation
- 2005-01-14 BR BRPI0507045-7A patent/BRPI0507045A/pt not_active IP Right Cessation
- 2005-01-14 CN CNB2005800030881A patent/CN100479942C/zh not_active Expired - Fee Related
- 2005-01-14 ES ES05700942T patent/ES2298994T3/es active Active
- 2005-01-14 EP EP05700942A patent/EP1761346B1/fr active Active
- 2005-01-14 RU RU2006130369/02A patent/RU2408445C2/ru not_active IP Right Cessation
- 2005-01-14 AU AU2005205889A patent/AU2005205889B2/en not_active Ceased
- 2005-01-14 WO PCT/EP2005/000348 patent/WO2005070575A1/fr active IP Right Grant
- 2005-01-14 JP JP2006549985A patent/JP2007534493A/ja not_active Ceased
- 2005-01-14 AT AT05700942T patent/ATE376896T1/de active
- 2005-01-14 CA CA2554131A patent/CA2554131C/fr not_active Expired - Fee Related
- 2005-01-14 US US10/586,989 patent/US7444847B2/en not_active Expired - Fee Related
- 2005-01-14 UA UAA200609279A patent/UA86220C2/uk unknown
- 2005-01-14 DE DE502005001843T patent/DE502005001843D1/de active Active
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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