WO2013135688A1 - Dispositif servant à redresser une bande métallique - Google Patents

Dispositif servant à redresser une bande métallique Download PDF

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Publication number
WO2013135688A1
WO2013135688A1 PCT/EP2013/054989 EP2013054989W WO2013135688A1 WO 2013135688 A1 WO2013135688 A1 WO 2013135688A1 EP 2013054989 W EP2013054989 W EP 2013054989W WO 2013135688 A1 WO2013135688 A1 WO 2013135688A1
Authority
WO
WIPO (PCT)
Prior art keywords
straightening
actuators
group
rollers
metal strip
Prior art date
Application number
PCT/EP2013/054989
Other languages
German (de)
English (en)
Inventor
Frank-Günter BENNER
Roman Dehmel
Rolf Franz
Matthias Kipping
Peter Jollet
Jens ARTEL
Original Assignee
Sms Siemag 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 Siemag Ag filed Critical Sms Siemag Ag
Priority to RU2014141509A priority Critical patent/RU2014141509A/ru
Priority to JP2014561417A priority patent/JP2015509852A/ja
Priority to CN201380025744.2A priority patent/CN104379271A/zh
Priority to KR1020147026672A priority patent/KR20140125454A/ko
Priority to EP13711601.8A priority patent/EP2825332B1/fr
Priority to US14/384,808 priority patent/US20150027185A1/en
Publication of WO2013135688A1 publication Critical patent/WO2013135688A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
    • 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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/40—Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls
    • 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
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips

Definitions

  • the invention relates to a device for straightening metal strip according to the preamble of claim 1 and claim 9 and a method for straightening metal strip with the features of claim 12.
  • No. 4,881,392 describes a system for straightening a metal strip, in which a straightening section of a rolling mill is arranged according to and a measuring device for flatness measurement of the metal strip is again arranged in the strip running direction below the straightening section.
  • At least three successively arranged in the strip running direction groups of at least three actuators are provided, which form a total of a field of individually controllable actuators, by means of several in the strip running direction successively arranged straightening rollers independent in their respective bending curve can be adjusted.
  • a field of actuators generally allows a particularly accurate correction of belt errors by the straightening process.
  • local correction can be carried out dynamically, in particular in relatively short sections of the band.
  • Such relatively local band errors can first be detected, for example, by a measuring device arranged on the input side of the device.
  • the actuators comprise a hydraulic cylinder.
  • Hydraulic cylinders can be adjusted quickly and in a wide range to the respective requirements of straightening forces.
  • Keilangnan or the like can be used as actuators.
  • At least one, preferably more of the groups of actuators is supported on a dimensionally stable traverse.
  • a dimensionally stable within the meaning of the invention is to be understood that an area moment of inertia of the traverse corresponds to at least a multiple of a moment of inertia of the leveling rolls.
  • a tilting of the traverse about the strip running direction can be adjustable by means of at least one trussing actuator. This results in further adjustment of the device.
  • the traverse actuators may also preferably be hydraulic actuators, alternatively or additionally, but also wedge adjustments or threaded adjustments.
  • end-side storage areas of at least one of the straightening rollers can be loaded in an adjustable manner by lateral actuators, in particular in a direction opposite to the actuators.
  • the lateral actuators may be formed as a hydraulic cylinder.
  • the actuators may act on a support arrangement for a plurality of support rollers, the support rollers transmitting a force of the actuators to one of the straightening rollers.
  • the retaining arrangement comprises a chain of bearing sections connected to one another in the axial direction for the support rollers.
  • the object of the invention is also achieved for a device according to the preamble of claim 9 by the characterizing features of claim 9.
  • the arrangement of a measuring system already before the groups of straightening rollers can be a particularly accurate measurement, due to which the number of passes through the straightening can be minimized.
  • it can be decided by the upstream measuring system whether straightening must take place at all.
  • the tape can then not pass through the straightening or without pressure of straightening rollers.
  • the measuring systems comprise an optical, in particular laser-optical, measurement of the shape of the metal strip, the metal strip being predominantly at least in the area of the measuring installations is guided without tension.
  • a predominantly tension-free guidance is given when tensile forces caused by the strip guide are kept so low that they only negligibly influence a spatial deformation of the strip.
  • a device according to claim 9 or 10 additionally comprises one or more additional features according to any one of claims 1 to 8. It is understood that the specific embodiments of such a device can be arbitrarily combined with the concept of a device in which before and after each straightening roller measuring systems are located.
  • the object of the invention is also achieved by a method for straightening a metal strip having the features of claim 12.
  • a device according to the invention is used for a method according to the invention
  • the process of straightening can be optimized and the number of possibly necessary passes through the Minimize the guideway. It goes without saying that the optimization is computer-aided on the basis of the measurement results.
  • data from previous runs of the same band and / or stored models, in particular with regard to the material to be straightened, the straps, etc. can be used.
  • a repetition of steps b. and c. he follows.
  • a second or nth tape pass can take place in the direction opposite to the previous pass.
  • Fig. 1 shows a schematic view of an inventive
  • Fig. 2 shows a schematic plan view of the device
  • Fig. 3 shows the device of Fig. 1 in a second employment.
  • FIG. 4 shows the device of Fig. 1 in a third employment.
  • FIGS. 5a to 5f show several modifications of bearing sections of FIG.
  • FIG. 6 shows a schematic overall view of a device according to the invention with two measuring systems.
  • the apparatus shown in Fig. 1 for straightening a metal strip is shown only in the circumference of a present upper half, comprising a plurality of straightening rollers 1 arranged one behind the other in a strip running direction (perpendicular to the plane of the drawing in Fig. 1).
  • a straightening roller 1 is in each case subjected to a force by a group of actuators 2 which are arranged next to one another in the transverse direction or axial direction over the length of the straightening roller 1.
  • the actuators each include a force introduction unit in the form of a separately and automatically controlled hydraulic cylinder 2a, which acts on a bearing portion 3 of a chain 4 of bearing sections.
  • a piston end of the actuator 2a can tiltably press on the bearing portion, for example in a corresponding shape (not shown). It will be understood that a bending course of the straightening rolls 1 employed by the actuators is exaggerated in FIG. 1, FIG. 3 and FIG. 4 for the sake of illustration.
  • a pair of support rollers 5 is rotatably mounted in each case, which press on the straightening rollers 1 and so adjust their bending curve during rotation.
  • FIGS. 5a to 5f Various alternative embodiments of the chain of bearing sections are shown in FIGS. 5a to 5f.
  • the bearing sections 3 abut against one another in an impact-like manner, wherein the cooperating end faces can be formed depending on the requirements.
  • Fig. 5a shows a simple shape with flat faces.
  • Fig. 5b shows a two convexities, by which the friction surface is reduced.
  • Fig. 5c shows a concave end face into which an adjacent, convex end face engages, so that the exact position of the bearing sections is adjusted relative to one another.
  • FIGS. 5a shows a simple shape with flat faces.
  • Fig. 5b shows a two convexities, by which the friction surface is reduced.
  • Fig. 5c shows a concave end face into which an adjacent, convex end face engages, so that the exact position of the bearing sections is adjusted relative to one another.
  • the adjacent bearing sections are each connected to one another, wherein the connection point provides increased mobility with respect to a homogeneous rod.
  • this is achieved by local weakenings of a solid rod.
  • Fig. 5e shows a connection by an elastic connector between the bearing portions, which may be made of metal or other material.
  • Fig. 5f shows a Arrangement in which the adjacent bearing sections are connected to one another by a joint, for example a rotary joint.
  • the actuators 2 are supported with their hydraulic cylinders on the opposite side to the straightening roller on a rigid or dimensionally stable traverse 6.
  • the traverse is tiltably adjustable over two existing truss actuators 7 to provide a further adjustment option for straightening and / or movability of the traverse for maintenance purposes.
  • the truss actuators 7 are also designed as hydraulic cylinders.
  • the straightening rollers 7 are added to end bearings in pivot bearings 8, which in turn are each supported by lateral actuators 9 adjustable in force on the cross member 6.
  • the lateral actuators 9 can be subjected to a force in opposite direction to the actuators 2 in order to adjust the bending curve of the straightening rollers 7.
  • each of the successively arranged, in the present case five straightening rollers 1 is largely individually adjustable in its bending process.
  • a group of adjacently arranged in the axial direction actuators 2 is provided for each of the straightening rollers 1.
  • each of the five straightening rollers 1 is adjusted by a group of five adjacently arranged adjacently in the transverse direction of actuators 2, so that a total of a field of 5X5 separately adjustable actuators 2 results.
  • the five straightening rollers 1 are each end received in beams 10, in which the pivot bearing 8 of the straightening rollers 1 are arranged.
  • Each of the two bars 10 is held by one of the lateral actuators 9.
  • the bars are expediently guided so that no tilting can occur in the direction of tape travel.
  • a plurality of lateral actuators 9 can also act on the same beam 10. It can also alternatively every single one Straightening rollers 1 be added end in a lateral actuator 7 or more, for example, two straightening rollers are summarized over a respective beam with respect to their pivot bearing. All of the hydraulic cylinders described herein preferably have a circular cross-section.
  • the above-described upper half of the device may be substantially symmetrical as a lower part with a group of lower straightening rollers 1 '(see schematically in FIG. 6).
  • an inverse bending of the straightening roller shown in FIG. 1 can be achieved as in FIG. 3, wherein the adjustment is effected by pushing forces of actuators (not shown) of the lower half.
  • FIG. 4 In a position shown in FIG. 4 is a linear tilt of the straightening roller to the strip running direction. Such a tilting can take place via the actuators 2, 7 as shown or else via a tilting of the traverse 6.
  • the schematic lateral view according to FIG. 6 shows a device as described above, which also has a first measuring system 1 1 in the strip running direction and a second one Measuring system 12 is downstream.
  • the measuring systems 1 1, 12 are of identical design and measure each unevenness of the largely unstressed metal strip 13 by means of optical systems, in particular laser optical systems.
  • FIG. 6 explains a method in which, according to the invention, the topography or flatness and / or the residual stresses of the metal strip 13 are first determined before straightening.
  • the first measuring system 1 1 arise for this purpose, the data via a connection 1 1 a in an electronic control unit or a installed on it model 14 are fed.
  • the metal strip 13 may be for measuring, for example, on rollers 15 and thereby scanned. It is also conceivable that the flatness and / or residual stresses of the metal strip are detected during the run. For this purpose, a reversing operation would be possible.
  • all straightening rollers 1, but at least the upper straightening rollers 1 are equipped with sensors 16 and actuators 17 and connected via the connections 18 with the model 14.
  • the sensors may e.g. Measure forces, moments, positions, inclinations, deformations, etc.
  • the actuators for example the actuators 2 described above, are capable of transmitting forces and moments to approach or generate positions such as paths, slopes, deformations and so on. As a result, as many positions and deformations of the individual straightening rollers 1 and thus positions of the straightening rollers can be approached relative to each other.
  • the metal strip 13 By the straightening rollers downstream, further measuring system 12, the metal strip 13 would at least optionally re-measured after the straightening process.
  • the resulting data is provided via a connection 12a the model 14.
  • the model 14 is depicted in one or more computers and consists of further implemented submodels. These are material models for the materials to be straightened, models for imaging the straightening process, mechanical models for imaging the machine parts and their cooperation during straightening, models for processing the sensor signals, models for processing and processing the geometry (flatness / flatness error) and residual stress of the straightening material 13, models for controlling flatness errors, model for driving the actuators of the straightening machine, etc. All data and signals are integrated in appropriate models, control loops and algorithms. The integral summary and processing takes place in a comprehensive technological model. This model could, for example, independently or operator supportively decide whether the metal strip 13 should be re-directed or whether it can be released for further processing.
  • the local immersion depth E1 in the plane P_1 to the immersion depth En in the plane P_n can be adjusted by the model 14 according to the requirements of the end product.
  • a local immersion depth is not only the parallel directional gap RS to understand, but also a non-constant guide gap RS, which can arise by tilting and bending at least one of the straightening rollers 1.
  • the straightening machine can be operated with the aid of the model 14 so that it can change the immersion depths and the straightening gaps statically or dynamically (during the straightening process). It is also conceivable that the span a is variable by moving the straightening rollers 1 and is controlled or regulated by the model 14.
  • the normal or first direction of passage of the metal strip 13 is from right to left as shown in FIG. 6.
  • the plane 19 can be used as a reference plane for the measuring equipment and for the immersion depth.
  • a possible second pass can be carried out in particular from left to right, in particular in the case of a tandem measuring system.

Abstract

L'invention concerne un dispositif servant à redresser des bandes métalliques. Ledit dispositif comprend un premier groupe supérieur (1) et un deuxième groupe inférieur (1') de cylindres redresseurs disposés respectivement directement les uns derrière les autres dans un sens de roulement de bande. Le dispositif comprend également un groupe d'organes de réglage (2) disposés les uns à côté des autres dans une direction transversale, pouvant être commandés séparément. Le groupe d'organes de réglage (2) permet d'ajuster un tracé d'inflexion axial d'au moins un premier cylindre redresseur (1). Au moins un deuxième groupe d'organes de réglage (2) disposés les uns à côté des autres dans la direction transversale, pouvant être commandés séparément permet d'ajuster un tracé d'inflexion axial d'au moins un deuxième cylindre redresseur (1), en particulier de manière à s'écarter du tracé d'inflexion du premier cylindre redresseur (1).
PCT/EP2013/054989 2012-03-15 2013-03-12 Dispositif servant à redresser une bande métallique WO2013135688A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
RU2014141509A RU2014141509A (ru) 2012-03-15 2013-03-12 Устройство для правки металлической полосы
JP2014561417A JP2015509852A (ja) 2012-03-15 2013-03-12 ストリップを矯正するための装置
CN201380025744.2A CN104379271A (zh) 2012-03-15 2013-03-12 用于矫直金属带材的装置
KR1020147026672A KR20140125454A (ko) 2012-03-15 2013-03-12 금속 스트립을 교정하기 위한 장치
EP13711601.8A EP2825332B1 (fr) 2012-03-15 2013-03-12 Dispositif et procédé servant à redresser une bande métallique
US14/384,808 US20150027185A1 (en) 2012-03-15 2013-03-12 Apparatus for straightening metal strip

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210204074 DE102012204074A1 (de) 2012-03-15 2012-03-15 Vorrichtung zum Richten von Metallband
DE102012204074.9 2012-03-15

Publications (1)

Publication Number Publication Date
WO2013135688A1 true WO2013135688A1 (fr) 2013-09-19

Family

ID=47988909

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/054989 WO2013135688A1 (fr) 2012-03-15 2013-03-12 Dispositif servant à redresser une bande métallique

Country Status (8)

Country Link
US (1) US20150027185A1 (fr)
EP (1) EP2825332B1 (fr)
JP (1) JP2015509852A (fr)
KR (1) KR20140125454A (fr)
CN (1) CN104379271A (fr)
DE (1) DE102012204074A1 (fr)
RU (1) RU2014141509A (fr)
WO (1) WO2013135688A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016096411A1 (fr) * 2014-12-19 2016-06-23 Sms Group Gmbh Pièce d'outil de moulage par compression et dispositif d'élimination des défauts de planéité sur des demi-produits plats
WO2017013099A1 (fr) * 2015-07-22 2017-01-26 Sms Group Gmbh Installation et procédé destinés à l'élimination de défauts de planéité d'un produit plat métallique
CN107755465A (zh) * 2017-11-29 2018-03-06 无锡市斯威克科技有限公司 一种用于多根涂锡铜带同时校直装置

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CN105917724B (zh) * 2013-10-31 2019-04-16 瑞典爱立信有限公司 一种实现d2d资源分配的方法及通信设备
KR101701571B1 (ko) * 2014-11-26 2017-02-02 현대제철 주식회사 단조품 교정 장치
DE102018203734A1 (de) * 2017-03-13 2018-09-13 Sms Group Gmbh Richtstrategien zum Betreiben einer Rollenrichtmaschine und Rollenrichtmaschine
DE102019201480A1 (de) 2019-02-06 2020-08-06 Sms Group Gmbh Rollenrichtmaschine
JP2023064472A (ja) * 2021-10-26 2023-05-11 株式会社アマダ コイル材矯正装置、コイル材矯正方法及びコイル材矯正プログラム
CN115287445B (zh) * 2022-08-09 2023-07-25 太原理工大学 一种极薄带材退火过程中连续施加横向张力的装置和方法
CN116833252B (zh) * 2023-09-01 2023-11-17 太原科技大学 一种适用于金属极薄带材生产的除渣润滑一体机

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US2091789A (en) * 1934-12-11 1937-08-31 Hedwig Maussnest Sheet straightening machine
GB1021794A (en) * 1962-12-11 1966-03-09 Driam Sa Method and apparatus for straightening laterally curved metal bands
EP0035009A1 (fr) * 1980-02-21 1981-09-02 VOEST-ALPINE Aktiengesellschaft Dispositif pour soutenir le cylindre de travail d'une machine à cintrer ou dresser les tôles
EP0087297A2 (fr) 1982-02-19 1983-08-31 DAVY McKEE (SHEFFIELD) LIMITED Machine à planer sous tension
DE3414486A1 (de) * 1984-04-17 1985-10-24 Manfred 8751 Niedernberg Wanzke Richtmaschine
DE3437777A1 (de) * 1984-10-16 1986-04-24 Fr. W. Schnutz GmbH & Co, 5900 Siegen Stuetzwalzenverstellung fuer richtmaschinen
JPS63192516A (ja) 1987-02-04 1988-08-09 Ishikawajima Harima Heavy Ind Co Ltd レベラ−の形状制御方法及び装置
US4881392A (en) 1987-04-13 1989-11-21 Broken Hill Proprietary Company Limited Hot leveller automation system
FR2718661A1 (fr) * 1994-04-15 1995-10-20 Clecim Sa Installation de planage d'une bande métallique.
US5758533A (en) * 1994-04-15 1998-06-02 Clecim Imbricated roll planisher and process for its use
EP0730918B1 (fr) 1995-03-08 2001-03-28 SOLLAC (Société Anonyme) Procédé et dispositif de planage de produits plats métalliques, tels que bandes, toles ou feuilles
EP0765196B1 (fr) 1995-04-14 2001-11-07 Vai Clecim Planeuse a rouleaux imbriques et procede de mise en uvre d'une telle planeuse
WO2005046899A1 (fr) 2003-10-13 2005-05-26 Vai Clecim Procede d'augmentation de la precision du controle de la trajectoire du produit dans une machine a planer a rouleaux imbriques et installation de planage permettant la mise en oeuvre du procede
EP1781429B1 (fr) 2004-08-28 2008-07-16 SMS Demag AG Procede pour dresser une bande metallique et dresseuse
DE102008038550A1 (de) * 2008-08-20 2010-02-25 Siemens Aktiengesellschaft Verfahren zur Steuerung/oder Regelung einer Antriebslast eines eine Rolle eines Rollverbunds antreibenden Motors, Steuer- und/oder Regeleinrichtung, Maschinenlesbarer Programmcode, Speichermedium und Industrieanlage
WO2011029485A1 (fr) 2009-09-09 2011-03-17 Siemens Vai Metals Technologies Sas Machine de planage a rouleaux multiples

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016096411A1 (fr) * 2014-12-19 2016-06-23 Sms Group Gmbh Pièce d'outil de moulage par compression et dispositif d'élimination des défauts de planéité sur des demi-produits plats
CN107206450A (zh) * 2014-12-19 2017-09-26 Sms集团有限公司 用于消除在平面半成品处的平整度缺陷的压制工具件以及装置
CN107206450B (zh) * 2014-12-19 2019-03-08 Sms集团有限公司 用于消除在平面半成品处的平整度缺陷的压制工具件以及装置
WO2017013099A1 (fr) * 2015-07-22 2017-01-26 Sms Group Gmbh Installation et procédé destinés à l'élimination de défauts de planéité d'un produit plat métallique
DE102015213788A1 (de) 2015-07-22 2017-01-26 Sms Group Gmbh Anlage und Verfahren zum Beseitigen von Planheitsfehlern eines metallischen Flachprodukts
CN107921501A (zh) * 2015-07-22 2018-04-17 Sms集团有限公司 用于消除金属的扁平产品的平整度缺陷的设备和方法
US20180185897A1 (en) * 2015-07-22 2018-07-05 Sms Group Gmbh System and method for removing flatness faults from a metal flat product
CN107921501B (zh) * 2015-07-22 2020-10-20 Sms集团有限公司 用于消除金属的扁平产品的平整度缺陷的设备和方法
US11179759B2 (en) 2015-07-22 2021-11-23 Sms Group Gmbh System and method for removing flatness faults from a metal flat product
CN107755465A (zh) * 2017-11-29 2018-03-06 无锡市斯威克科技有限公司 一种用于多根涂锡铜带同时校直装置
CN107755465B (zh) * 2017-11-29 2024-01-12 无锡市斯威克科技有限公司 一种用于多根涂锡铜带同时校直装置

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EP2825332A1 (fr) 2015-01-21
EP2825332B1 (fr) 2015-08-19
KR20140125454A (ko) 2014-10-28
DE102012204074A1 (de) 2013-09-19
US20150027185A1 (en) 2015-01-29
JP2015509852A (ja) 2015-04-02
CN104379271A (zh) 2015-02-25

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