EP0809547B1 - Procede de dispositif pour le laminage des extremites d'une bande enroulee dans un laminoir reversible - Google Patents

Procede de dispositif pour le laminage des extremites d'une bande enroulee dans un laminoir reversible Download PDF

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Publication number
EP0809547B1
EP0809547B1 EP96901796A EP96901796A EP0809547B1 EP 0809547 B1 EP0809547 B1 EP 0809547B1 EP 96901796 A EP96901796 A EP 96901796A EP 96901796 A EP96901796 A EP 96901796A EP 0809547 B1 EP0809547 B1 EP 0809547B1
Authority
EP
European Patent Office
Prior art keywords
strip
tension
rolling
rolling force
reduced
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
EP96901796A
Other languages
German (de)
English (en)
Other versions
EP0809547A1 (fr
Inventor
Bernd Berger
Franz BRÜGGEN
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.)
Sundwig GmbH
Original Assignee
Sundwiger Eisenhuette Maschinenfabrik Grah and Co
Sundwiger Eisenhuette Maschinenfabrik GmbH and Co
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 Sundwiger Eisenhuette Maschinenfabrik Grah and Co, Sundwiger Eisenhuette Maschinenfabrik GmbH and Co filed Critical Sundwiger Eisenhuette Maschinenfabrik Grah and Co
Priority to DE29623757U priority Critical patent/DE29623757U1/de
Publication of EP0809547A1 publication Critical patent/EP0809547A1/fr
Application granted granted Critical
Publication of EP0809547B1 publication Critical patent/EP0809547B1/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
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/72—Rear end control; Front end control
    • 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
    • B21B37/24—Automatic variation of thickness according to a predetermined program
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/12—End of product

Definitions

  • the respective beginning of the tape pushed into the preset roll gap In a first procedure, the respective beginning of the tape pushed into the preset roll gap.
  • the Pushing in takes place, for example, with the aid of driving rollers of various types or with the help of push-in cars.
  • the Rolled strip start is in a Clamping slot of the take-up reel guided, clamped there and automatically wrapped up. After 1 to 2 Tape turns are wound, is on the inlet side and the desired strip tension is applied on the outlet side and the Rolling continues with the desired strip tension. Accordingly, at the end of each roll pass Reaching 1 to 2 remaining turns on the Decoiler of the infeed belt tension down to 0 reduced, the tape clamp on the decoiler released and rolled the strip end until it leaves the roll gap. The next roll pass will be the beginning of the strip forming strip end pushed into the roll gap, such as described.
  • the tape ends are not on their rolled out the entire length, but immediately before Stopped reaching the roll gap. It remains therefore an unrolled piece of tape with the thickness of the Source material, but in comparison to the Band ends of the first known method is short.
  • the disadvantage of this method is the large one Loss length resulting from the non-rolled piece of tape at each end of the belt, the distance between the cropping shears and roll gap corresponds, and from the after each Rolling stitch cut ends together. Is further disadvantage that the cut pieces of tape at must be disposed of every roll pass.
  • the invention has for its object a method and a device for rolling out the ends of a wound tape in a reversing mill create the loss lengths at the tape ends are low.
  • the procedure should also deal with lowest possible expenditure on device technology have it carried out.
  • the invention further relates to a device for Implementation of this procedure, consisting of a Reversing mill with arranged on both sides Winding reels and a control device, the Actuators on the winding reels for the tape tension and Rolling mill are assigned to the rolling force, the Control device depending on the actuators from the place of the beginning or end of the band controls that at the beginning of each roll pass the respective beginning of the strip without the strip on the inlet side and without rolling force is inserted into the nip that after Introduce the respective strip start the rolling force gradually increases and that at the end of each Rolling stitches on the decoiler connected belt end up to the infeed belt tension is reduced to 0, the end of the tape being free of tension Roll gap runs completely and thereby is reduced in thickness.
  • a device for Implementation of this procedure consisting of a Reversing mill with arranged on both sides Winding reels and a control device, the Actuators on the winding reels for the tape tension and Rolling mill are assigned to the rolling force, the Control device depending on the actuators from
  • the Invention further achieved that the introduction of Tape starts in the clamping slot each as Winding reel functioning reel without problems is possible because the band starts because of the full Passage of the rolling mill in the previous roll pass are always straight. So elaborate straightening roles not required.
  • the rolling force can be adjusted so that it ends up of each roll pass is reduced so that the Rollers do not collide when the end of the belt Leaves nip. Furthermore, at the end of each Roll pass for the rolling force a maximum limit be specified.
  • the device for rolling out the ends of a wound tape B consists of a Reversing mill with lower roll 1 and upper roll 2, two Winding reels 3, 4, pairs of driving rollers 5a, 5b, 6a, 6b, the Rolling mill 1,2 immediately upstream on both sides, stationary control tables 7,8 and between the Winding reels 3, 4 and the drive roller pairs 5a, 5b, 6a, 6b arranged, pivotable transfer flaps 9, 10 and a control device with actuators for the Rolling mill 1.2 and the reel 3.4 and with sensors in Form of light barriers. From the control device with the actuators and the sensors are only those Light barriers 11, 12 shown on both sides of the rolling mill 1, 2 arranged above the control tables 7, 8 are. With such a device The method according to the invention is carried out as follows:
  • the beginning of the tape A is on the Take-up reel 3 wound tape B by means of Driving roller pair 5a, 5b through the rolling mill 1, 2 transported.
  • the roll gap S is closed and one minimal rolling force applied which is sufficient to a Roll on even without a strip tension on the outlet side enable.
  • the beginning of the tape A is then from the Driving roller pair 6a, 6b detected and over the pivoted Transfer flap 10 in the clamping slot 4 * Rewinder 4 introduced.
  • the rolling force can be gradually increased. Simultaneously with the increase
  • the rolling force can be used to stabilize the rolling process the infeed belt tension can be increased.
  • the measure with which the rolling force can be increased is determined by the clamping of the beginning of the tape A on the take-up reel 4. Only after 1 to 2 tape turns on the take-up reel 4 the full tape tension can be applied.
  • the inlet side belt tension can be increased so that after 1 to 2 turns on the reel the tape B with the nominal rolling force or nominal strip thickness at full infeed and outfeed strip is rolled. After reaching the target strip thickness from Rolling force control switched to strip thickness control become.
  • the strip is rolled in the following passes accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Winding Of Webs (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour le laminage des extrémités d'une bande enroulée (B) dans un laminoir réversible (1, 2) comportant des bobineuses (3, 4) disposées des deux côtés. L'invention a pour but de réduire les pertes de longueurs, non conformes aux dimensions prescrites, aux extrémités des bandes, tout en n'ayant recours qu'à un minimum de moyens techniques à mettre en oeuvre. Ce but est atteint grâce au fait qu'à chaque passe de laminage, chaque début de bande (A) est introduit dans l'écartement (S) des cylindres, sans tension de la bande, ni effort de laminage côté entrée, et que l'effort de laminage est ensuite progressivement accru jusqu'à obtention de la valeur de consigne, et que la tension de la bande côté sortie est appliquée lorsque le début (A) de la bande est raccordé à la bobineuse (4). A la fin de chaque passe de laminage, la tension de la bande est annulée, l'extrémité (E) de la bande traversant complètement l'écartement des cylindres sans être soumise à une quelconque tension et se trouvant ainsi réduite en épaisseur.

Claims (6)

  1. Procédé pour laminer les extrémités d'une bande bobinée (B) dans un laminoir réversible (1, 2) comportant des treuils de bobinage (3, 4) disposés sur ses deux côtés, le procédé comportant les caractéristiques suivantes :
    a) au début de chaque passe de laminage, le début (A) de la bande est inséré dans la fente de laminage sans traction sur la bande côté entrée et sans effort de laminage;
    b) après l'introduction du début (A) de la bande, l'effort de laminage est progressivement augmenté;
    c) à la fin de chaque passe de laminage, l'extrémité de la bande étant encore raccordée au treuil dérouleur (3), la traction sur la bande côté entrée est réduite jusqu'à zéro, de sorte que l'extrémité (E) de la bande traverse complètement la fente de laminage sans traction et a ainsi son épaisseur réduite.
  2. Procédé suivant la revendication 1, caractérisé en ce que, après raccordement du début (A) de la bande au treuil enrouleur (4), la traction sur la bande côté entrée et côté sortie est progressivement augmentée jusqu'à une valeur de traction maximale.
  3. Procédé suivant la revendication 2, caractérisé en ce que les tractions maximales sur la bande ne sont atteintes que lorsqu'au moins une à deux spires sont enroulées sur le treuil enrouleur (4) et jusqu'à ce qu'il reste une à deux spires sur le treuil dérouleur (3).
  4. Procédé suivant la revendication 3, caractérisé en ce que, à la fin de chaque passe de laminage, la traction sur la bande côté entrée est réduite à zéro lorsque moins d'une à deux spires restent présentes sur le treuil dérouleur (3).
  5. Procédé suivant l'une des revendications 1 à 4, caractérisé en ce qu'on prédétermine une valeur limite maximale pour l'effort de laminage à la fin de chaque passe de laminage.
  6. Lamineur réversible (1, 2), comprenant des treuils de bobinage (3, 4) disposés sur ses deux côtés, pour la mise en oeuvre du procédé suivant l'une des revendications 1 à 5, comprenant un dispositif de commande auquel sont associés des organes de réglage des treuils de bobinage (3, 4) pour la traction de la bande et du laminoir (1, 2) pour l'effort de laminage, le dispositif de commande commandant les organes de réglage, en fonction de la position du début (A) de la bande ou de l'extrémité (E) de la bande, de manière que, au début de chaque passe de laminage, le début (A) de la bande soit introduit sans traction sur la bande côté entrée et sans effort de laminage dans la fente de laminage (S), qu'après introduction du début de la bande, l'effort de laminage soit progressivement augmenté et que, à l'extrémité de chaque passe de laminage, l'extrémité (E) de la bande étant encore raccordée au treuil dérouleur (3), la traction sur la bande côté entrée soit réduite à zéro, de sorte que l'extrémité (E) de la bande traverse complètement la fente de laminage (S) sans traction et a ainsi son épaisseur réduite.
EP96901796A 1995-02-14 1996-02-09 Procede de dispositif pour le laminage des extremites d'une bande enroulee dans un laminoir reversible Expired - Lifetime EP0809547B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29623757U DE29623757U1 (de) 1995-02-14 1996-02-09 Vorrichtung zum Auswalzen der Enden eines aufgewickelten Bandes in einem Reversierwalzwerk

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19504711 1995-02-14
DE19504711A DE19504711C1 (de) 1995-02-14 1995-02-14 Verfahren und Vorrichtung zum Auswalzen der Enden eines aufgewickelten Bandes in einem Reversierwalzwerk
PCT/EP1996/000534 WO1996025251A1 (fr) 1995-02-14 1996-02-09 Procede de dispositif pour le laminage des extremites d'une bande enroulee dans un laminoir reversible

Publications (2)

Publication Number Publication Date
EP0809547A1 EP0809547A1 (fr) 1997-12-03
EP0809547B1 true EP0809547B1 (fr) 1999-03-31

Family

ID=7753814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96901796A Expired - Lifetime EP0809547B1 (fr) 1995-02-14 1996-02-09 Procede de dispositif pour le laminage des extremites d'une bande enroulee dans un laminoir reversible

Country Status (6)

Country Link
US (1) US6014882A (fr)
EP (1) EP0809547B1 (fr)
JP (1) JPH11500065A (fr)
DE (2) DE19504711C1 (fr)
ES (1) ES2130791T3 (fr)
WO (1) WO1996025251A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605008A1 (de) * 1996-01-30 1997-07-31 Mannesmann Ag Verfahren zum Walzen von Warmband, insbesondere Warmbreitband
DE19938966C1 (de) * 1999-06-01 2000-10-19 Carl Wezel Fa Verfahren und Vorrichtung zum Herstellen eines bandförmigen Vormaterials aus Metall, insbesondere eines solchen Vormaterials welches in regelmäßig wiederkehrenden Abschnitten profiliert ist, und die Verwendung einer Vorrichtung dafür
AU5212500A (en) * 1999-05-12 2000-12-05 Hjb Rolling Mill Technology Gmbh Method for producing a striplike pre-material made of metal, especially a pre-material which has been profiled into regularly reoccurring sections, and device therefor
US6167736B1 (en) * 1999-07-07 2001-01-02 Morgan Construction Company Tension control system and method for reducing front end and tail end overfill of a continuously hot rolled product
DE10134285B8 (de) * 2000-11-11 2005-06-30 Fa. Carl Wezel Verfahren zum Herstellen eines bandförmigen Vormaterials, insbesondere aus Metall, welches in aufeinanderfolgenden Abschnitten profiliert ist, und eine Vorrichtung dafür
US20050028574A1 (en) * 2001-10-11 2005-02-10 Lobbecke Bernd Von Flat metal, production device and production method
DE102007049062B3 (de) * 2007-10-12 2009-03-12 Siemens Ag Betriebsverfahren zum Einbringen eines Walzguts in ein Walzgerüst eines Walzwerks, Steuereinrichtung und Walzwerk zum Walzen eines bandförmigen Walzgutes
JP2012171005A (ja) * 2011-02-24 2012-09-10 Jp Steel Plantech Co ローラレベラおよび金属板の矯正方法
JP5737617B2 (ja) * 2011-04-01 2015-06-17 株式会社Ihi 電極帯板の連続圧縮装置と方法
CN103691739A (zh) * 2013-12-11 2014-04-02 马鞍山市华科实业有限公司 钢带的冷轧工艺
CN108393356A (zh) * 2018-04-20 2018-08-14 天津重电气自动化有限公司 一种应用于热连轧热卷箱和飞剪的电控系统
CN112334243B (zh) * 2019-01-29 2022-09-13 普锐特冶金技术日本有限公司 轧制装置的控制装置、轧制设备以及轧制装置的运转方法
WO2025224991A1 (fr) * 2024-04-26 2025-10-30 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 Dispositif de commande de dispositif de laminage, équipement de laminage et procédé de fonctionnement de dispositif de laminage
WO2025224989A1 (fr) * 2024-04-26 2025-10-30 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 Dispositif de commande pour dispositif de laminage, équipement de laminage et procédé de fonctionnement de dispositif de laminage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE624109A (fr) * 1961-10-27
JPS5858923A (ja) * 1981-10-02 1983-04-07 Takasago Tekko Kk 圧延機の制御方法及び同装置
JPS60102208A (ja) * 1983-11-07 1985-06-06 Kawasaki Steel Corp 板の可逆圧延方法
US4555922A (en) * 1984-07-13 1985-12-03 Tippins Machinery Company, Inc. Adaptive strip wedge control for reversing mill
JPS60244417A (ja) * 1985-05-09 1985-12-04 Kobe Steel Ltd 可逆圧延機における逆転時の通板方法
CN1040073C (zh) * 1989-12-25 1998-10-07 石川岛播磨重工业株式会社 轧机的板厚控制系统
JPH03226301A (ja) * 1990-01-31 1991-10-07 Kobe Steel Ltd リバースミルによる圧延板厚制御方法
FR2664510B1 (fr) * 1990-07-12 1995-02-24 Clecim Sa Procede de laminage reversible.

Also Published As

Publication number Publication date
DE59601557D1 (de) 1999-05-06
JPH11500065A (ja) 1999-01-06
EP0809547A1 (fr) 1997-12-03
ES2130791T3 (es) 1999-07-01
US6014882A (en) 2000-01-18
DE19504711C1 (de) 1996-11-14
WO1996025251A1 (fr) 1996-08-22

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