EP2739411B1 - Procédé de détermination d'une vitesse de produits à laminer - Google Patents

Procédé de détermination d'une vitesse de produits à laminer Download PDF

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Publication number
EP2739411B1
EP2739411B1 EP12756184.3A EP12756184A EP2739411B1 EP 2739411 B1 EP2739411 B1 EP 2739411B1 EP 12756184 A EP12756184 A EP 12756184A EP 2739411 B1 EP2739411 B1 EP 2739411B1
Authority
EP
European Patent Office
Prior art keywords
rolling
determined
speed
value
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
EP12756184.3A
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German (de)
English (en)
Other versions
EP2739411A1 (fr
Inventor
Hans-Joachim Felkl
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.)
Primetals Technologies Germany GmbH
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Primetals Technologies Germany 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 Primetals Technologies Germany GmbH filed Critical Primetals Technologies Germany GmbH
Priority to EP12756184.3A priority Critical patent/EP2739411B1/fr
Publication of EP2739411A1 publication Critical patent/EP2739411A1/fr
Application granted granted Critical
Publication of EP2739411B1 publication Critical patent/EP2739411B1/fr
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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
    • B21B37/46—Roll speed or drive motor control
    • 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
    • B21B2275/00—Mill drive parameters
    • B21B2275/02—Speed
    • B21B2275/06—Product speed

Definitions

  • the invention is based on the finding that the roller speed measurement via pulse generators on the rolling drives particularly robust images dynamic components of the rolling process. Such proportions are, for example, accelerating the rolling train, speed changes by speed corrections of the regulations, or load reactions. All of this finds its way into the process according to the invention by using the roller speed.
  • the head of the rolling stock is used as the section.
  • the head of the rolling material refers to the front end of the rolling stock as viewed in the direction of movement.
  • FIG. 1 shows a section of a rolling mill 2, namely a rolling stand 4, in which a rolling stock 6 by means of a roller 8 to be rolled.
  • the rolling stock 6 is fed to the rolling stand 4 with an incoming rolling stock thickness h 0 and an incoming rolling stock speed v 0 .
  • the rolling stock 6 leaves the rolling stand 4 with an actual outlet-side rolling material speed v 1 and an expiring rolling stock thickness h 1 .
  • the roller 8 rotates in the rolling process with a roller speed v W.
  • the outlet-side rolling material velocity v 1 can not be measured reliably enough. Therefore, it is modeled as v 1 'from the product of the roll speed v W with a real existing lead s. This overfeed should also be adapted more closely by the sum of a basic value s G and a correction value s K.
  • the basic value s G is used, which is taken, for example, from a list in the rolling mill or from a rolling model (not shown).
  • correction values s K can be formed, whereupon the modeled advance s' from the basic value s G approaches the actual advance s even better.
  • the rolling stock speed v 1 ' also approaches the real rolling stock speed v 1 .
  • the mass flow controller 10 is better able to adjust the nip 12 to regulate the mill stand 4.
  • the actual outgoing rolling stock thickness h 1 approaches a set value h 1S .

Landscapes

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

Claims (8)

  1. Procédé de détermination d'une vitesse de produit à laminer côté sortie (v1') à partir d'une vitesse de laminage (vW) et d'une avance (s') associée à celle-ci dans une cage de laminoir (4) avec un dispositif de régulation de débit massique (10) modifiant la vitesse de produit à laminer (v1'), dans lequel l'avance (s') est formée à partir d'une valeur de base (SG) et d'une valeur de correction (SK), et la valeur de correction (sK) est déterminée à l'aide d'une valeur de mesure (M) déterminée pendant le processus de laminage.
  2. Procédé selon la revendication 1,
    dans lequel zéro est initialement choisi en tant que valeur de correction (sK) et des valeurs de correction (sK) déterminées sont mémorisées de manière cumulative pour des processus de laminage ultérieurs.
  3. Procédé selon l'une quelconque des revendications précédentes,
    dans lequel la valeur de mesure (M) est déterminée au niveau d'un produit à laminer (6).
  4. Procédé selon la revendication 3,
    dans lequel l'écart temporel (T), au cours duquel une section (15) particulière du produit à laminer (6) parcourt une distance (17) particulière dans un train de laminage contenant la cage de laminoir (4), est déterminé en tant que valeur de mesure (M).
  5. Procédé selon la revendication 4,
    dans lequel la tête (16) du produit à laminer (6) est utilisée en tant que section (15).
  6. Procédé selon la revendication 4 ou 5,
    dans lequel l'espacement de cage (d) de deux cages de laminoir (4) parcourues par le produit à laminer (6) est utilisé en tant que distance (17) et les passes initiales des deux cages de laminoir (4) entre les moments (T1,2) sont déterminées en tant qu'écart temporel (T).
  7. Procédé selon l'une quelconque des revendications précédentes,
    dans lequel une vitesse réelle (v1M) du produit à laminer (6), à laquelle celui-ci dépasse un emplacement de poste particulier, est mesurée de manière supplémentaire et la vitesse réelle (v1M) est modifiée en commun avec l'avance (s') déterminée dans un dispositif de régulation d'adaptation d'avance (20) déterminant une avance régulée (SR).
  8. Procédé selon la revendication 7,
    dans lequel, dans le cas d'une mesure d'erreur connue de la vitesse réelle (v1M), l'avance régulée (SR) déterminée par le dispositif de régulation d'adaptation d'avance (20) est figée.
EP12756184.3A 2011-10-13 2012-09-05 Procédé de détermination d'une vitesse de produits à laminer Active EP2739411B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12756184.3A EP2739411B1 (fr) 2011-10-13 2012-09-05 Procédé de détermination d'une vitesse de produits à laminer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11185033.5A EP2581142A1 (fr) 2011-10-13 2011-10-13 Procédé de détermination d'une vitesse de produits à laminer
PCT/EP2012/067333 WO2013053549A1 (fr) 2011-10-13 2012-09-05 Procédé de détermination de la vitesse d'un produit laminé
EP12756184.3A EP2739411B1 (fr) 2011-10-13 2012-09-05 Procédé de détermination d'une vitesse de produits à laminer

Publications (2)

Publication Number Publication Date
EP2739411A1 EP2739411A1 (fr) 2014-06-11
EP2739411B1 true EP2739411B1 (fr) 2016-06-08

Family

ID=46801502

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11185033.5A Withdrawn EP2581142A1 (fr) 2011-10-13 2011-10-13 Procédé de détermination d'une vitesse de produits à laminer
EP12756184.3A Active EP2739411B1 (fr) 2011-10-13 2012-09-05 Procédé de détermination d'une vitesse de produits à laminer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11185033.5A Withdrawn EP2581142A1 (fr) 2011-10-13 2011-10-13 Procédé de détermination d'une vitesse de produits à laminer

Country Status (3)

Country Link
EP (2) EP2581142A1 (fr)
CN (1) CN103874551B (fr)
WO (1) WO2013053549A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09239417A (ja) * 1996-03-11 1997-09-16 Toshiba Corp 熱間圧延機の制御装置
JP2000094022A (ja) * 1998-09-14 2000-04-04 Toshiba Corp 通板速度制御装置
JP3615996B2 (ja) * 2000-07-06 2005-02-02 東芝三菱電機産業システム株式会社 連続圧延機の板厚制御方法、パススケジュール算出方法及び板厚制御装置
JP2002028710A (ja) * 2000-07-12 2002-01-29 Sumitomo Metal Ind Ltd 連続圧延方法
DE10254178B4 (de) * 2002-11-21 2011-10-13 Abb Ag Verfahren zur Ermittlung von Zustandsgrößen eines Walzprozesses
CN100493748C (zh) * 2006-09-20 2009-06-03 宝山钢铁股份有限公司 利用前滑自适应动态修正带钢厚度偏差的控制方法
DE102008007057A1 (de) * 2008-01-31 2009-08-13 Siemens Aktiengesellschaft Regelverfahren für eine Kaltwalzstraße mit vollständiger Massenflussregelung
EP2135690A1 (fr) * 2008-06-19 2009-12-23 Siemens Aktiengesellschaft Train de laminage continental doté d'intégrations et/ou de détachements de cages de laminoir en fonctionnement continu
EP2298461A1 (fr) * 2009-09-17 2011-03-23 Siemens Aktiengesellschaft Train de laminoir à froid doté d'une régulation du débit massique sur une cage de laminoir

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2581142A1 (fr) 2013-04-17
EP2739411A1 (fr) 2014-06-11
CN103874551A (zh) 2014-06-18
CN103874551B (zh) 2016-05-11
WO2013053549A1 (fr) 2013-04-18

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