EP1656223B1 - Caisse a rouleaux montee entre le train degrossisseur et le train finisseur d'un laminoir a chaud - Google Patents

Caisse a rouleaux montee entre le train degrossisseur et le train finisseur d'un laminoir a chaud Download PDF

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Publication number
EP1656223B1
EP1656223B1 EP04741156A EP04741156A EP1656223B1 EP 1656223 B1 EP1656223 B1 EP 1656223B1 EP 04741156 A EP04741156 A EP 04741156A EP 04741156 A EP04741156 A EP 04741156A EP 1656223 B1 EP1656223 B1 EP 1656223B1
Authority
EP
European Patent Office
Prior art keywords
coil
coilbox
rollers
der
und
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.)
Expired - Lifetime
Application number
EP04741156A
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German (de)
English (en)
Other versions
EP1656223A1 (fr
Inventor
Klaus Bäumer
Bernhard Ehls
Matthias Beuter
Thomas Runkel
Matthias Krüger
Peter Schmitz
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 Demag 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 Demag AG filed Critical SMS Demag AG
Publication of EP1656223A1 publication Critical patent/EP1656223A1/fr
Application granted granted Critical
Publication of EP1656223B1 publication Critical patent/EP1656223B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/08—Winding-up or coiling without making use of a reel or drum, the first turn being formed by a stationary guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B21C47/22—Unwinding coils without reels or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer

Definitions

  • the invention relates to a method and a system for expanding the use of a winding and unwinding station (coil box) between roughing and finishing line for rolled material in hot rolling mills.
  • the use of a coil box in hot rolling mills is known.
  • the technology of the coil box requires a certain minimum weight of the strip for processing.
  • the minimum weight depends essentially on the material strength, the strip thickness and the design of the coil box. If the minimum weight is exceeded, due to low frictional forces between unwinding rollers and strip material, the wound into a coil band can not be unwound. Thus, the coil box for bands below the minimum weight can not be used.
  • the first station In a coil box, the first station is used to wind up the coil. The subsequent unwinding of the coil takes place at the beginning also on the first station. At the same time as unwinding, the coil is transferred from the first to the second station. As long as the coil is still unwound on the first station, no more tape can be included in the coil box; There must be a minimum interval between two bands. The minimum break depends essentially on the construction and the control of the coil box.
  • the occupancy time of the first station also depends on the speeds of the material inlet and the material outlet.
  • the maximum speeds are determined by the possibilities of the equipment in front of and behind Coilbox and the production program and can only be changed within limits. By the minimum break and the maximum speeds will be
  • the material throughput in a hot strip mill is limited and a coil box can only be used to a limited extent in hot rolling mills with high material throughput.
  • a transfer from the first to the second station is carried out with supporting mechanisms.
  • This can be a mandrel engaging centrally in the coil or according to the document US 5,987,955 B is a method of weighing.
  • Other mechanisms are known, such as levers pivoting rollers that invest on the outer circumference of the coil.
  • This type of transfer is referred to below as the so-called active transfer , which represents the method with the shortest time for transfer in bands with high fret weights.
  • a thornless transfer there is another method of transferring the coil from the first to the second winding station by means of a strip tension acting on the outlet side on the coil to be unwound.
  • This belt train is typically constructed from the first scaffolding, but can also be completely or partially constructed by other means.
  • the document DE 101 38 857 A1 Describes necessary precautions to prevent the coil from moving against fixed stops and being damaged. This type of transfer is referred to below as so-called passive transfer . For coils below a defined weight limit, there is always a passive transfer, unless this is prevented by retention mechanisms.
  • the occupancy time of the first reeling station depends on the weight of the bundle and can be shorter or longer than during the active handover.
  • the object of the invention is to provide technical measures with which significantly smaller bundle weights can be treated in a coil box. Also to be provided with the invention measures, with which the material throughput in a coil box can be significantly increased. This is also true, and especially, for low speed contour lines of the rolling stands in front of and behind the coil box and possibly short distances between the last roll stand in front of the coil box and the coil box inlet. Measures to increase the material throughput are important for the use of a coilbox, especially for small bundle weights.
  • the object of the invention is to provide measures with which a higher and more uniform temperature level of the strip can be achieved in connection with a coil box.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Metal Rolling (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Vending Machines For Individual Products (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)

Claims (16)

  1. Procédé pour élargir l'utilisation d'un poste de bobinage et de débobinage, ce qu'on appelle une Coil box (caisse à rouleaux), entre le train dégrossisseur et le train finisseur pour un matériau en bande laminé dans des laminoirs à chaud, caractérisé en ce que pour le traitement de bobines de faible poids dans une caisse à rouleaux sans mandrin, la bobine à dérouler est forcée par une force d'appui (F) orientée vers les rouleaux de fond (2a, 2b) de la caisse à rouleaux, au moyen de laquelle la force de frottement entre la bobine et les rouleaux de débobinage est augmentée et en ce que la grandeur de la force d'appui (F) tient compte de l'ovalisation de la bobine, des propriétés du matériau, du mode de fonctionnement et d'autres paramètres de fonctionnement.
  2. Procédé selon la revendication 1, caractérisé en ce que la caisse à rouleaux est placée dans un creux formé par les rouleaux de fond (2a, 2b) qui est réalisé, géométriquement, de telle manière qu'on empêche un transfert non souhaité de la bobine.
  3. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, pour augmenter le débit de matériau dans le cas d'une caisse à rouleaux sans mandrin, le transfert actif et le transfert passif d'une bobine d'un premier poste de bobinage à un deuxième poste de bobinage sont combinés dans le temps et en fonction du poids l'un avec l'autre.
  4. Procédé selon la revendication 3, caractérisé en ce que la disposition et le mouvement des rouleaux de fond (2a, 2b) et des rouleaux (3, 4, 5) du train de rouleaux se trouvant les uns derrière les autres dans le sens d'avancement de la bande sont choisis de manière telle qu'il se produit d'abord un transfert passif de la bobine (C, C'), puis un freinage de la bobine au moyen d'au moins un rouleau (G) et le maintien de la bobine après l'introduction d'un mandrin de maintien (D) dans la bobine (C").
  5. Procédé selon la revendication 4, caractérisé en ce que la caisse à rouleaux comprend deux rouleaux de fond (2a, 2b), le premier rouleau de fond (2a) étant disposé derrière le deuxième dans le sens d'avancement de la bande et où on provoque un transfert passif le plus précoce possible de la bobine (C ou C') dans le sens des rouleaux d'entraînement (T) d'un taquet situé à la sortie en abaissant le premier rouleau de fond (2a) et en soulevant le deuxième rouleau de fond (2b).
  6. Procédé selon l'une quelconque des revendications 3-5, caractérisé en ce qu'on commande, avant le début du processus de transfert du premier poste de bobinage au deuxième, un taquet (T) se trouvant à la sortie, pour appliquer une traction déterminée sur la bande.
  7. Dispositif pour élargir l'utilisation d'un poste de bobinage et de débobinage, ce qu'on appelle une caisse à rouleaux, entre le train dégrossisseur et le train finisseur pour un matériau en bande laminé dans des laminoirs à chaud, caractérisé en ce que pour le traitement de bobines de faible poids dans une caisse à rouleaux sans mandrin, la bobine à dérouler est associée à un dispositif d'appui avec des rouleaux d'appui (1a, 1b) qui convient pour appliquer une force d'appui (F) orientée vers les rouleaux de fond (2a, 2b) de la caisse à rouleaux sur la bobine, la force de frottement entre la bobine et les rouleaux de débobinage étant augmentée et la grandeur de la force d'appui (F) pouvant être réglée de manière telle qu'elle tienne compte de l'ovalisation de la bobine, des propriétés du matériau, du mode de fonctionnement et d'autres paramètres de fonctionnement.
  8. Dispositif selon la revendication 7, caractérisé en ce que la bobine se trouve dans un creux entre les rouleaux, formé par les rouleaux de fond (2a, 2b) réglables.
  9. Dispositif selon la revendication 8, caractérisé en ce que pour augmenter le débit de matériau ou pour diminuer le temps d'occupation au niveau de la caisse à rouleaux sans mandrin, les rouleaux de fond (2a, 2b) pour la bobine sont disposés de manière à pouvoir pivoter et les rouleaux du train de rouleaux sont disposés de manière à pouvoir se déplacer dans le sens longitudinal (3, 4) ou en s'écartant (4).
  10. Dispositif selon la revendication 9, caractérisé en ce qu'on a prévu des moyens pour pivoter les rouleaux de fond (2a, 2b) et des moyens pour régler la hauteur ou les distances des rouleaux (3, 4, 5) du train de rouleaux.
  11. Dispositif selon la revendication 9 ou 10, caractérisé en ce qu'on peut associer à la bobine résiduelle (C") un mandrin de maintien (D) pour ouvrir et dérouler les dernières spires de la bobine.
  12. Dispositif selon l'une quelconque des revendications 7 à 11, caractérisé en ce que la caisse à rouleaux est suivie, côté sortie, d'un taquet (T) pouvant être commandé.
  13. Dispositif selon l'une quelconque des revendications 7 à 12, caractérisé en ce qu'un taquet d'orientation est disposé à la sortie de la caisse de rouleaux.
  14. Dispositif selon la revendication 13, caractérisé en ce qu'on a prévu, avant ou dans le taquet d'orientation, au moins un dispositif de décalaminage.
  15. Dispositif selon l'une quelconque des revendications 13 à 14, caractérisé en ce que le taquet d'orientation est réalisé avec au moins un dispositif de nettoyage pour les rouleaux d'orientation.
  16. Dispositif selon l'une quelconque des revendications précédentes 7 à 15, caractérisé en ce que le dispositif présente trois postes de bobinage pour le transfert sans mandrin de la bobine.
EP04741156A 2003-08-22 2004-07-19 Caisse a rouleaux montee entre le train degrossisseur et le train finisseur d'un laminoir a chaud Expired - Lifetime EP1656223B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10339191A DE10339191A1 (de) 2003-08-22 2003-08-22 Coilbox zwischen Vorstraße und Fertigstraße im Warmwalzwerk
PCT/EP2004/008078 WO2005028136A1 (fr) 2003-08-22 2004-07-19 Caisse a rouleaux montee entre le train degrossisseur et le train finisseur d'un laminoir a chaud

Publications (2)

Publication Number Publication Date
EP1656223A1 EP1656223A1 (fr) 2006-05-17
EP1656223B1 true EP1656223B1 (fr) 2007-09-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04741156A Expired - Lifetime EP1656223B1 (fr) 2003-08-22 2004-07-19 Caisse a rouleaux montee entre le train degrossisseur et le train finisseur d'un laminoir a chaud

Country Status (10)

Country Link
US (1) US7942029B2 (fr)
EP (1) EP1656223B1 (fr)
JP (1) JP4833842B2 (fr)
CN (1) CN1839002B (fr)
AT (1) ATE372837T1 (fr)
CA (1) CA2536423C (fr)
DE (2) DE10339191A1 (fr)
RU (1) RU2353453C2 (fr)
UA (1) UA90248C2 (fr)
WO (1) WO2005028136A1 (fr)

Families Citing this family (11)

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JP2007118031A (ja) * 2005-10-26 2007-05-17 Jfe Steel Kk 熱間圧延ラインにおけるコイルボックスのピンチロールの押力調整方法、シートバーの蛇行防止方法及びその方法を用いた熱延金属板の製造方法
JP5145795B2 (ja) * 2006-07-24 2013-02-20 新日鐵住金株式会社 耐摩耗性および延性に優れたパーライト系レールの製造方法
DE102008010062A1 (de) * 2007-06-22 2008-12-24 Sms Demag Ag Verfahren zum Warmwalzen und zur Wärmebehandlung eines Bandes aus Stahl
US8281633B2 (en) 2008-02-21 2012-10-09 Hatch Ltd. Active transfer apparatus for hot strip mill coilbox
DE102009060257A1 (de) * 2009-12-23 2011-06-30 SMS Siemag AG, 40237 Auflage für einen Metallbund
US9346090B2 (en) * 2010-03-12 2016-05-24 Sms Group Gmbh Method and device for depositing a metal coil
EP2929951A1 (fr) 2014-04-09 2015-10-14 Siemens VAI Metals Technologies GmbH Déroulement d'une bande enroulée autour d'une bobine et dispositif de déroulement
WO2018091562A1 (fr) * 2016-11-18 2018-05-24 Sms Group Gmbh Procédé et dispositif de fabrication d'un matériau complexe sous forme de bande continue
CN110624780B (zh) * 2019-09-26 2021-05-11 重庆市佳禾家具制造有限公司 门板翻转装置
CN111203454B (zh) * 2020-01-11 2021-08-20 娄底市涟钢振兴机电有限公司 一种钢带缠绕机与缠绕方法
DE102021204375A1 (de) * 2021-04-30 2022-11-03 Sms Group Gmbh Coilbox und Verfahren zu deren Betrieb

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JP4121091B2 (ja) * 2005-11-15 2008-07-16 三菱電機株式会社 電子スロットル制御装置

Also Published As

Publication number Publication date
ATE372837T1 (de) 2007-09-15
CN1839002B (zh) 2012-07-04
UA90248C2 (ru) 2010-04-26
CA2536423C (fr) 2013-01-15
DE502004004974D1 (de) 2007-10-25
US7942029B2 (en) 2011-05-17
DE10339191A1 (de) 2005-03-17
CN1839002A (zh) 2006-09-27
US20070012082A1 (en) 2007-01-18
JP4833842B2 (ja) 2011-12-07
WO2005028136A1 (fr) 2005-03-31
RU2006109009A (ru) 2006-07-27
EP1656223A1 (fr) 2006-05-17
RU2353453C2 (ru) 2009-04-27
CA2536423A1 (fr) 2005-03-31
JP2007503310A (ja) 2007-02-22

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