EP2555884B1 - Procédé pour le changement à la volée de cylindres de travail dans des installations de coulée continue et des trains de laminage à chaud au moyen d'un rouleau d'appui - Google Patents

Procédé pour le changement à la volée de cylindres de travail dans des installations de coulée continue et des trains de laminage à chaud au moyen d'un rouleau d'appui Download PDF

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Publication number
EP2555884B1
EP2555884B1 EP11713251.4A EP11713251A EP2555884B1 EP 2555884 B1 EP2555884 B1 EP 2555884B1 EP 11713251 A EP11713251 A EP 11713251A EP 2555884 B1 EP2555884 B1 EP 2555884B1
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EP
European Patent Office
Prior art keywords
rolling
strip
roll
hot strip
rolled
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
EP11713251.4A
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German (de)
English (en)
Other versions
EP2555884A1 (fr
Inventor
Christoph Klein
Frank Benfer
Ernst Windhaus
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
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Filing date
Publication date
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2555884A1 publication Critical patent/EP2555884A1/fr
Application granted granted Critical
Publication of EP2555884B1 publication Critical patent/EP2555884B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/12—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by vertically displacing
    • 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
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements

Definitions

  • the invention relates to a method for flying work roll change in cast rolling and hot strip mills, in particular continuous hot strip mills according to the preamble of claim 1 (such, eg JP 56/144805 A ).
  • the work rolls of a rolling mill are subject to natural wear, which can lead to loss of quality at the surface of the rolled strip.
  • the strip to be rolled must be heated to the required temperature before being rolled, unless it is rolled directly from the casting heat.
  • a roll change can only be done with the mill stand open.
  • Procedures for changing from work rolls are from the publications JP 56 144805 A .
  • the DE 195 40 978 A1 describes a production plant for the continuous or discontinuous rolling of hot strip with the ability to perform a work roll change on a rolling stand or a roll stand group, while the other rolling stands are continuously in operation.
  • the object of the invention is to provide an improved method for flying work roll change in cast rolling and hot strip mills.
  • This object is achieved according to the invention with a method for flying work roll change in cast rolling and hot strip mills, especially continuous hot strip mills, with the replacement of the work rolls by opening the roll stand these can be brought out of engagement with the hot strip to be rolled, characterized in that on the hot rolled strip to be rolled before and / or after entering the open mill stand via at least one insertable into the rolling line hold-down a controllable, the strip tension of the opened rolling stand Replacing strip tension can be applied.
  • the rollers For example, to change the work rolls in the middle stand 2, the rollers must be driven up, as the FIG. 2 shows.
  • the hot strip then has no contact with the work rolls, or may have, at least provided in front of the roll stand 2 hold-down roller 5 is active, together with the hold-down role associated with loop 4, so that the hot strip - without touching the work rolls - can be passed through the open rolling stand with the appropriate strip tension.
  • the flying change of the work rolls themselves can be carried out with conventional means.
  • the pair of work rolls is guided by means of specially shaped rails in the rolling stand during the extraction or insertion into the rolling stand so that the upper roller lifts and both rollers do not touch the tape located in the street.
  • a changing device can be moved in front of the rolling stand to be changed.
  • the new rollers are stored.
  • the old rolls are picked up and after transverse shifting, the new rolls are pushed into the mill stand.

Landscapes

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

Claims (4)

  1. Procédé pour le remplacement en état de marche d'un cylindre de travail dans des installations de coulée-laminage et dans des trains de feuillard à chaud, en particulier des trains de feuillard à chaud travaillant en continu, dans lequel, pour le remplacement des cylindres de travail par ouverture de la cage de laminoir, on amène ces derniers à l'écart du feuillard chaud à laminer, caractérisé en ce qu'une une tension de feuillard réglable qui remplace la tension de feuillard de la cage de laminoir ouverte peut être appliqué au feuillard chaud à laminer, avant et/ou après son entrée dans la cage de laminoir ouverte, via au moins un cylindre de maintien qui peut être introduit dans la ligne de laminage.
  2. Procédé selon la revendication 1, caractérisé en ce qu'au cours du laminage, on met en oeuvre une poursuite de feuillard pour identifier la zone de feuillard qui a été laminée au cours de l'échange de cylindres.
  3. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'on maintient, lors de l'échange des cylindres, le guidage de la température par régulation du refroidissement ou du chauffage, au sein du train de laminage.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'on guide le feuillard chaud à laminer conjointement avec le cylindre de maintien et un dispositif de levage de boucles disposé entre les cages de laminoir.
EP11713251.4A 2010-04-09 2011-04-06 Procédé pour le changement à la volée de cylindres de travail dans des installations de coulée continue et des trains de laminage à chaud au moyen d'un rouleau d'appui Active EP2555884B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010014346A DE102010014346A1 (de) 2010-04-09 2010-04-09 Verfahren zum fliegenden Arbeitswalzenwechsel in Gießwalzanlagen und Warmbandstraßen
PCT/EP2011/055307 WO2011124585A1 (fr) 2010-04-09 2011-04-06 Procédé pour le changement à la volée de cylindres de travail dans des installations de coulée continue et des trains de laminage à chaud au moyen d'un rouleau d'appui

Publications (2)

Publication Number Publication Date
EP2555884A1 EP2555884A1 (fr) 2013-02-13
EP2555884B1 true EP2555884B1 (fr) 2014-01-29

Family

ID=44484022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11713251.4A Active EP2555884B1 (fr) 2010-04-09 2011-04-06 Procédé pour le changement à la volée de cylindres de travail dans des installations de coulée continue et des trains de laminage à chaud au moyen d'un rouleau d'appui

Country Status (5)

Country Link
US (1) US8578749B2 (fr)
EP (1) EP2555884B1 (fr)
CN (1) CN102933325B (fr)
DE (1) DE102010014346A1 (fr)
WO (1) WO2011124585A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3208006B1 (fr) 2016-02-22 2019-04-03 Primetals Technologies Austria GmbH Dispositif de changement de rouleaux en ligne dans une cage de laminoir
EP3208673B1 (fr) 2016-02-22 2019-06-05 Primetals Technologies Austria GmbH Étalonnage en ligne d'une emprise de laminage d'une cage de laminoir
EP3670011B1 (fr) * 2018-12-21 2022-09-28 Primetals Technologies Austria GmbH Refroidissement de la bande métallique dans une cage de laminoir
AT522073B1 (de) * 2019-05-16 2020-08-15 Primetals Technologies Austria GmbH Warmwalzen mit flexibler Konfiguration der Walzgerüste
EP3851217B1 (fr) 2020-01-15 2022-07-13 Primetals Technologies Germany GmbH Adaptation améliorée d'un modèle de cylindre

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2131882C3 (de) 1971-06-26 1980-04-24 Schloemann-Siemag Ag, 4000 Duesseldorf Stutzeinrichtung fur Arbeitswalzen beim Walzenwechsel in Walzgerüsten
US3877276A (en) 1973-12-28 1975-04-15 Mesta Machine Co Mill roll changing system including a cantilevered roll assembly
DE2433569A1 (de) 1974-07-12 1976-01-29 Schloemann Siemag Ag Quarto-walzgeruest mit vorrichtungen zum ausfahren der walzeneinbauten
JPS56144805A (en) 1980-04-15 1981-11-11 Nippon Kokan Kk <Nkk> Direct rolling apparatus
JPS5970412A (ja) 1982-10-15 1984-04-20 Sumitomo Metal Ind Ltd ロ−ル組替方法
DE3416212C2 (de) * 1984-05-02 1986-12-18 Kleinewefers Gmbh, 4150 Krefeld Vorrichtung zum Auswechseln mindestens einer Walze für einen Kalander
JP2521732B2 (ja) 1986-11-21 1996-08-07 株式会社日立製作所 タンデム圧延機の走間ロ−ル組替方法
JPS63130202A (ja) 1986-11-21 1988-06-02 Hitachi Ltd タンデム圧延機の走間ロ−ル組替方法
JPS63171204A (ja) 1987-01-09 1988-07-15 Hitachi Ltd 連続圧延タンデムミルのロ−ル交換方法及び装置
JPS63252607A (ja) 1987-04-09 1988-10-19 Hitachi Ltd 走間ロ−ル組替方法
DE3829066A1 (de) 1988-08-24 1990-03-08 Mannesmann Ag Vorrichtung zum auswechseln der arbeitswalzen, insbesondere von quarto-walzgeruesten
EP0376887B1 (fr) * 1988-12-30 1993-07-14 Alusuisse-Lonza Services Ag Procédé et dispositif pour régler la planéité d'une bande métallique laminée à froid
US5007272A (en) * 1989-11-09 1991-04-16 Braner, Inc. Tension roller
US5746081A (en) 1993-03-27 1998-05-05 Sms Schloemann-Siegmag Aktiengesellschaft Reversing compact installation for cold rolling strip-shaped rolling material
DE19540978A1 (de) * 1995-11-03 1997-05-07 Schloemann Siemag Ag Produktionsanlage zum kontinuierlichen- oder diskontinuierlichen Auswalzen von Warmband
JP2000312909A (ja) * 1999-04-27 2000-11-14 Toshiba Corp 板幅制御装置
DE10223000A1 (de) 2002-05-24 2003-12-04 Sms Demag Ag Verfahren und Vorrichtung zum Wechseln von Arbeitswalzenpaaren und/oder Stützwalzenpaaren an Walzgerüsten

Also Published As

Publication number Publication date
US8578749B2 (en) 2013-11-12
EP2555884A1 (fr) 2013-02-13
DE102010014346A1 (de) 2011-10-13
CN102933325B (zh) 2015-04-15
US20130055782A1 (en) 2013-03-07
WO2011124585A1 (fr) 2011-10-13
CN102933325A (zh) 2013-02-13

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