EP1917115B1 - Procede et dispositif de mise en place d'au moins un segment a rouleaux d'un dispositif de guidage de barre sur une barre - Google Patents

Procede et dispositif de mise en place d'au moins un segment a rouleaux d'un dispositif de guidage de barre sur une barre Download PDF

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Publication number
EP1917115B1
EP1917115B1 EP06828830A EP06828830A EP1917115B1 EP 1917115 B1 EP1917115 B1 EP 1917115B1 EP 06828830 A EP06828830 A EP 06828830A EP 06828830 A EP06828830 A EP 06828830A EP 1917115 B1 EP1917115 B1 EP 1917115B1
Authority
EP
European Patent Office
Prior art keywords
strip
roller
strand
guide device
heights
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
EP06828830A
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German (de)
English (en)
Other versions
EP1917115B2 (fr
EP1917115A1 (fr
Inventor
Axel Weyer
Christian Stolp
Hans Esau Klassen
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 Group GmbH
Original Assignee
SMS Demag AG
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Filing date
Publication date
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Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1917115A1 publication Critical patent/EP1917115A1/fr
Application granted granted Critical
Publication of EP1917115B1 publication Critical patent/EP1917115B1/fr
Publication of EP1917115B2 publication Critical patent/EP1917115B2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock
    • 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
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/62—Roll-force control; Roll-gap control by control of a hydraulic adjusting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock
    • B22D11/208—Controlling or regulating processes or operations for removing cast stock for aligning the guide rolls

Definitions

  • the invention relates to a method for hiring at least one roller segment of a strand guiding device of a slab plant to a strand and a computer program and a strand guiding device for carrying out this method.
  • EP 1 475 169 A1 is a support roll stand for continuous casting with roll segments known.
  • the roller segments each consist of a subframe and an upper frame, which are individually adjustable by means of pairs of piston-cylinder units.
  • the piston-cylinder units associated sensors, position sensor, pressure transducer, control valve blocks and the like are connected to a remote control of the continuous casting.
  • a field bus system or a transmitting and receiving module for a bidirectional data transfer of the sensors with the control of the continuous casting is provided on the upper frame.
  • the Japanese publication JP 111 29003 discloses a method and associated apparatus for easily rolling steel bar stock of wedge-shaped section.
  • WO 99/46071 discloses a method and apparatus for employing at least one roller segment a strand guiding device to a strand, wherein the roller segment comprises an upper and a lower roller carrier, each carrying at least one roller for guiding the strand between the rollers.
  • the roller segment has in its four corner regions each have a positioning element for hiring the upper and lower roller carrier relative to each other.
  • the trained hydraulic cylinder units positioning elements are both position and pressure adjustable.
  • All four adjusting elements of the roller segment are synchronously, ie driven at the same time and the values for the jobs to be adjusted to the hydraulic cylinder units are determined by a control device independently. So it is possible that each hydraulic cylinder is basically controlled independently. For the hydraulic cylinder positions are initially given, ie they are basically position-controlled and only when the pressure in the respective hydraulic cylinders has reached or exceeded a predetermined pressure threshold is switched to a pressure-controlled operation for controlling the hydraulic cylinder.
  • the present invention seeks to develop a known method for hiring a roller segment in a strand guide device to a strand to the effect that the strand guiding device downstream rolling stands in view of the tasks imposed on them and with regard to their mechanical stress during their operations and that the quality of the strand is improved.
  • This object is achieved by the method claimed in claim 1.
  • This method is characterized, the actual profile of the strand including the heights of the right and left side edge of the strand detected and with a desired profile containing a predetermined same desired height for the right and left side edge is compared and the individual adjusting elements of the roller segment are individually controlled in accordance with the resulting from the comparison error such that the actual profile is adapted to the desired profile, including a balance of the heights of the right and left side edge of the strand.
  • the invention ensures in an advantageous manner that any existing wedging of the profile of the cast strand, even in the strand guide device, ie even before entering the downstream rolling stands is compensated. Ideally, it is thus ensured by the present invention that the rolling stands only one strand is supplied without wedging. The rolling stands are relieved in this way, both mechanically and in view of the task which you have previously to do to remedy any possible wedging of the strand; In addition, the quality of the strand is ultimately improved.
  • the elimination of the eventual wedging in the strand guiding device takes place at a position or at roller segments in which the strand has not yet solidified.
  • This has the advantage that significantly lower forces must then be exerted on the strand from the rolls of the roll segments to correct the wedging, as if the strand were already solidified, as is generally the case when entering the downstream roll stands.
  • the individual adjustment of the adjusting elements for the purpose of eliminating the wedging can take place either only in individual, in several or even in all roller segments of the strand guiding device.
  • employment of the adjusting elements in several roller segments requires a technically greater effort, but has the advantage that then only smaller forces must be expended at the individual Anstellelementen; This is especially true because then a large number of Anstellelementen in several roles segments are available to compensate for the wedging in total.
  • the hiring of the Anstellelemente to compensate for the wedging can be done either in the form of a controller or a scheme.
  • a control only an equal desired height for the right and left side boundary of the strand is specified and the Anstellelemente on the right and left side of the roller segment (as seen in the material flow direction) are driven accordingly.
  • the heights of the right and left side edges of the strand are detected and compared to determine a corresponding deviation in each case with a predetermined same nominal height for the right and left side edge.
  • the individual adjusting elements of the roller segment are then individually controlled in accordance with the deviation so that the heights of the right and left side edge of the strand are each rolled to the predetermined same desired height.
  • the detection of the heights of the side edges of the strand or the detection of the actual profile of the strand can be carried out at different locations within the strand guiding device.
  • the detection takes place at the output of such a roller segment, which has controllable Anstellelemente.
  • the measured value is recorded at the output of the last roll segment of the strand guiding device, d. H. shortly before entering the rolling stand. Because with each regulation according to the invention, a reduction of the above-mentioned control deviations is aimed at zero, it is then ensured in this way that actually only one strand with equal side edges is fed to the downstream rolling stand.
  • any differences in the heights of the side edges of the cast strand are calculated on the basis of measured force and / or pressure conditions, preferably in the engagement region of the setting elements.
  • the actual profile of the strand z. B. using suitable profile detection devices z. B. be detected optically.
  • the above object is further achieved by a computer program and a strand guiding device for carrying out said method solved.
  • the advantages of the computer program and the strand guiding device essentially correspond to the advantages mentioned above with reference to the claimed method.
  • Each roller carrier serves to carry at least one roller for guiding the strand after leaving the casting device between the roles.
  • At least one role segment in FIG. 1 if there are three, has a plurality of Anstellelemente 121 - 124 for hiring the upper and lower roller carrier 112, 114 relative to each other; see also FIG. 2 .
  • the strand guide device 100 comprises a device 130 for driving the individual Anstellelemente the roller carrier so that the right and left side edge of the strand 200 are the same height.
  • the device 130 may be designed either as a control device or as a control device. If it is merely designed as a control device, it gives each z. B. position values for the individual Anstellelemente before so that the right and left side edge of the strand is rolled in each case to the same height. The specification of the positions is then preferably in each case such that the right and left side edges of the strand are each rolled to an identical predetermined desired height.
  • the device 130 When the device 130 is designed as a control device, it receives either measured heights for the right and left side edges of the strand or data representing an actual profile, ie an actual cross-section of the strand. The heights of the right and left side edge of the strand can z. B. are provided by suitable measuring devices, which, for. B.
  • the detection of the profile of the strand can, for. B. by a suitable optical profile detection device 140; this is preferably as in FIG. 1 shown, arranged at the end of the strand guide device 100.
  • the device 130 embodied as a regulating device is capable of receiving the received measured data, be it the current heights of the lateral edges or the current actual profile of the strand, and respectively this data for the purpose of determining a control deviation with correspondingly predetermined desired variables, ie either a predetermined for the right and left side edge of the strand predetermined height H should or to compare with a desired profile.
  • the control device then controls the individual Anstellelemente of the roller segment in accordance with the determined control deviation so that the control deviation becomes as zero as possible. In this way it is then ensured that any wedging previously present in the transverse direction of the strand, ie in the direction of its width, is compensated before entry of the strand into a downstream rolling stand.
  • FIG. 2 shows an elevational view of the roll segment typically used to implement the invention.
  • the strand 200 in the direction of material flow is guided between the rollers 116, 118 of the roller segment.
  • the roller segment in its four corner regions each having a positioning element, each of these Anstellelemente equally attacks on both roller carriers and thus causes a movement of the upper and lower roller carrier 114, 112 relative to each other.
  • Anstellelemente 121 - 124 are formed as hydraulic cylinders.
  • FIG. 2 indicated by reference numeral 150 measuring devices in the individual Anstellelementen, which serve to detect the above-mentioned force or pressure conditions between the roller carriers 112, 114 of the roller segment.
  • FIG. 3 shows a cross section of the FIG. 2 known role segment, again with the same elements are designated by the same reference numerals. Especially good are in FIG. 3 to detect the significant heights Hr and Hl the right and left side edge of the strand 200 for the invention. Furthermore, in FIG. 3 to recognize that the strand is not completely cured when passing through the roller segment 110, which is indicated by the still liquid part of the strand, which is denoted by the reference numeral 210. This provides for the present invention has the advantage that the applied forces to compensate for the heights Hr and Hl the right and left side edge of the strand are still relatively low, ie are less than if the strand 200 would be completely solidified.
  • FIG. 4a shows an example of a detected unwanted wedging in a strand 200, that is, that in this strand 200, the heights Hr and Hl of the right and left side edges are formed unequal high. According to the invention, the detection of such a situation would trigger a control or regulation to compensate for the heights on the left and right sides of the strand.
  • FIG. 4b finally shows the same strand as FIG. 4a ,
  • the invention done balancing the heights of the right and left side edge of the strand.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Moulding By Coating Moulds (AREA)

Claims (12)

  1. Procédé pour mettre en place au moins un segment de rouleau (110) d'un dispositif de guidage de boudin (100) d'une installation à brames sur un boudin, le segment de rouleau présentant un support de rouleau supérieur et un support de rouleau inférieur (114, 112), lesquels supports portent chacun au moins un rouleau (116, 118) pour le guidage du boudin (200) entre les rouleaux, et à chaque fois au moins un élément de mise en place (121-124) pour la mise en place des deux supports de rouleau (114, 112) étant attribué l'un par rapport à l'autre au côté droit et au côté gauche, vu dans le sens du flux du matériau, du segment de rouleau (110), comprenant l'étape suivante :
    activation individuelle des éléments individuels de mise en place (121-124)
    caractérisé en ce que
    le profil réel du boudin, y compris les hauteurs (Hr, Hl) des arêtes latérales droite et gauche du boudin (200) est enregistré et est comparé avec un profil théorique contenant une hauteur théorique (Hsoll), identique prédéfinie pour les arêtes latérales droite et gauche ; et
    les éléments individuels de mise en place (121-124) du segment de rouleau (116) sont activés individuellement en fonction de l'écart de réglage résultant de la comparaison de telle sorte que le profil réel est adapté au profil théorique, y compris une compensation des hauteurs des arêtes latérales droite et gauche du boudin (200).
  2. Procédé selon la revendication 1, caractérisé en ce que la mise en place s'effectue dans une zone du boudin (200) qui n'est pas encore solidifié lors du passage du segment de rouleau (110).
  3. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la mise en place individuelle des éléments de mise en place (121-124) s'effectue dans le cas d'un segment de rouleau individuel ou de plusieurs segments de rouleau (110) du dispositif de guidage de boudin (100).
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'alignement des hauteurs (Hr, Hl) sur une hauteur prescrite (Hsoll) identique s'effectue sous la forme d'une commande.
  5. Procédé selon la revendication 1, caractérisé en ce que les hauteurs (Hr, Hl) des arêtes latérales du boudin ou son profilé réel sont enregistrées ou est enregistré à la sortie du au moins un segment de rouleau du dispositif de guidage de boudin (100), au moins à la sortie du dernier segment de rouleau (100-N) du dispositif de guidage du boudin.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que d'éventuelles différences dans les hauteurs (Hr, Hl) des arêtes latérales du boudin (200) sont calculées sur la base de rapports de force et/ou de pression mesurés dans la zone des éléments de mise en place (121-124).
  7. Programme informatique comprenant un code de programme pour un dispositif de réglage (130) d'un dispositif de guidage de boudin (100), caractérisé en ce que le code de programme est conçu pour ordonner une activation d'éléments de mise en place pour des supports de rouleau (112, 114) dans le dispositif de guidage de boudin (100) en fonction du procédé selon l'une quelconque des revendications 1 à 6.
  8. Dispositif de guidage de boudin (100) pour le guidage d'un boudin (200) après la sortie d'un dispositif de coulée (300), comprenant :
    au moins un segment de rouleau (100-n) avec un support de rouleau supérieur et un support de rouleau inférieur (112, 114), les supports de rouleau présentant chacun au moins un rouleau (116, 118) pour le guidage du boudin (200) après la sortie du dispositif de coulée entre les rouleaux ;
    au moins à chaque fois un élément de mise en place (121-124) sur le côté droit et le côté gauche, vu dans le sens de flux du matériau, du segment de rouleau (110) pour la mise en place du support de rouleau supérieur et support de rouleau inférieur (112, 114) l'un par rapport à l'autre, et
    un dispositif de réglage (130) pour l'activation des éléments de mise en place (121-124) ;
    caractérisé en ce que
    il est prévu un dispositif d'enregistrement de profil (140) pour l'enregistrement de la section du boudin (200) à l'intérieur du dispositif de guidage de boudin comme profil réel, y compris une différence éventuelle entre les hauteurs (Hr, Hl) des arêtes latérales droite et gauche du boudin ; et
    le dispositif de réglage (130) est conçu pour activer des éléments de mise en place (121-124) des supports de rouleau de telle sorte que le profil réel soit adapté à un profil théorique prédéfini avec des hauteurs (Hr, Hl) identiques sur les arêtes latérales droite et gauche du boudin (200).
  9. Dispositif de guidage de profil (100) selon la revendication 8, caractérisé en ce que le dispositif (130) est conçu comme dispositif de commande ou de réglage pour activer les éléments de mise en place (121-124) individuels des supports de rouleau de telle sorte que les arêtes latérales droite et gauche du boudin (200) sont laminées jusqu'à la hauteur préférée (Hsoll) prédéfinie identique.
  10. Dispositif de guidage de boudin (100) selon la revendication 8 ou 9, caractérisé en ce que le segment de rouleau (110) présente un élément de mise en place (121-124) dans chacun de ses quatre zones d'angle.
  11. Dispositif de guidage de boudin (100) selon l'une quelconque des revendications 8 à 10, caractérisé en ce que les éléments de mise en place (121-124) sont conçus chacun comme un cylindre hydraulique.
  12. Elément de guidage de boudin (100) selon l'une quelconque des revendications 8 à 11, caractérisé par un dispositif de mesure (150), qui est intégré dans les éléments de mise en place (121-124) pour l'enregistrement de rapports de force ou de pression entre les deux supports de rouleau (112, 114) du segment de rouleau.
EP06828830.7A 2005-11-22 2006-10-19 Procede et dispositif de mise en place d'au moins un segment a rouleaux d'un dispositif de guidage de barre sur une barre Active EP1917115B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005055530A DE102005055530A1 (de) 2005-11-22 2005-11-22 Verfahren und Vorrichtung zum Anstellen von mindestens einem Rollensegment einer Strangführungseinrichtung an einen Strang
PCT/EP2006/010063 WO2007059827A1 (fr) 2005-11-22 2006-10-19 Procede et dispositif de mise en place d'au moins un segment a rouleaux d'un dispositif de guidage de barre sur une barre

Publications (3)

Publication Number Publication Date
EP1917115A1 EP1917115A1 (fr) 2008-05-07
EP1917115B1 true EP1917115B1 (fr) 2009-06-03
EP1917115B2 EP1917115B2 (fr) 2018-03-14

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ID=37685649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06828830.7A Active EP1917115B2 (fr) 2005-11-22 2006-10-19 Procede et dispositif de mise en place d'au moins un segment a rouleaux d'un dispositif de guidage de barre sur une barre

Country Status (11)

Country Link
US (3) US8205661B2 (fr)
EP (1) EP1917115B2 (fr)
JP (1) JP5111391B2 (fr)
KR (1) KR20080072729A (fr)
CN (1) CN101374617B (fr)
AT (1) ATE432783T1 (fr)
CA (1) CA2630856A1 (fr)
DE (2) DE102005055530A1 (fr)
RU (1) RU2379156C1 (fr)
UA (1) UA88241C2 (fr)
WO (1) WO2007059827A1 (fr)

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DE102005055530A1 (de) * 2005-11-22 2007-05-24 Sms Demag Ag Verfahren und Vorrichtung zum Anstellen von mindestens einem Rollensegment einer Strangführungseinrichtung an einen Strang
MX2010005518A (es) * 2008-01-14 2010-06-18 Sms Concast Ag Sistema de fundicion continua, particularmente para productos de acero largos y metodo para fundicion continua.
CN107116195B (zh) * 2017-05-31 2019-01-15 西安交通大学 一种基于流数据的动态轻压下控制方法
CN110181018B (zh) * 2018-05-17 2022-01-14 江阴兴澄特种钢铁有限公司 一种连铸坯厚度在线测量及压下量调整系统

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JP3019720B2 (ja) * 1994-06-16 2000-03-13 日本鋼管株式会社 キャンバ矯正機能を有する圧延機
DE19511113A1 (de) 1995-03-25 1996-09-26 Schloemann Siemag Ag Strangführung einer Stranggießanlage für Dünnbrammen
DE69615534T2 (de) * 1995-10-18 2002-05-02 Sumitomo Metal Ind Stranggiessverfahren und -anlage
JPH11129003A (ja) * 1997-10-30 1999-05-18 Aisin Seiki Co Ltd 傾斜圧延機及び傾斜圧延方法
DE19809807C2 (de) * 1998-03-09 2003-03-27 Sms Demag Ag Anstellverfahren für ein Rollensegment einer Stranggießanlage
DE19836843A1 (de) 1998-08-14 2000-02-17 Schloemann Siemag Ag Vorrichtung zum hydraulischen Anstellen der Rollen von Strangführungssegmenten einer Stranggießanlage
US6837301B2 (en) * 1999-02-05 2005-01-04 Castrip Llc Strip casting apparatus
DE19916173A1 (de) † 1999-04-10 2000-10-12 Sms Demag Ag Verfahren und Vorrichtung zum Einstellen des Brammenprofils einer stranggegossenen Bramme, insbesondere einer Dünnbramme
AUPQ818000A0 (en) * 2000-06-15 2000-07-06 Bhp Steel (Jla) Pty Limited Strip casting
DE10042079A1 (de) * 2000-08-26 2002-04-25 Sms Demag Ag Stranggießanlage mit Soft-Reduction-Strecke
DE10045259A1 (de) † 2000-09-13 2002-03-21 Sms Demag Ag Regelverfahren zum Walzen eines Bandes in einem Walzgerüst
AU2002344361A1 (en) † 2001-06-01 2002-12-16 Sms Demag Aktiengesellschaft Method for adjusting the dynamic soft reduction of continuous casting systems
DE10319863B4 (de) * 2003-05-03 2021-07-01 Sms Group Gmbh Stützrollengerüst für Knüppel-, Vorblock-, Block-, Vorprofil-, Dünn- und Brammen-Stranggießmaschinen, zum Gießen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen
DE10336444A1 (de) † 2003-08-08 2005-03-10 Sms Demag Ag Verfahren und Einrichtung zum berührungslosen Messen der Profildicke und/oder der Profilform an Gießsträngen einer Mehrstranggießanlage für flüssige Metalle, insbesondere für Stahl
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DE102005055530A1 (de) * 2005-11-22 2007-05-24 Sms Demag Ag Verfahren und Vorrichtung zum Anstellen von mindestens einem Rollensegment einer Strangführungseinrichtung an einen Strang
DE102005059692A1 (de) † 2005-12-14 2007-06-21 Sms Demag Ag Verfahren zum Stranggießen dünner Metallbänder und Stranggießanlage
US7530826B2 (en) † 2006-09-15 2009-05-12 Honeywell International Inc. Sealed cavity with vent hole method and apparatus for use in sensor modules

Also Published As

Publication number Publication date
EP1917115B2 (fr) 2018-03-14
DE102005055530A1 (de) 2007-05-24
EP1917115A1 (fr) 2008-05-07
US8820392B2 (en) 2014-09-02
JP2009516591A (ja) 2009-04-23
ATE432783T1 (de) 2009-06-15
WO2007059827A1 (fr) 2007-05-31
RU2379156C1 (ru) 2010-01-20
US8205661B2 (en) 2012-06-26
CN101374617B (zh) 2013-07-17
JP5111391B2 (ja) 2013-01-09
CN101374617A (zh) 2009-02-25
KR20080072729A (ko) 2008-08-06
US20090159232A1 (en) 2009-06-25
US20110220315A1 (en) 2011-09-15
US20110214835A1 (en) 2011-09-08
DE502006003898D1 (de) 2009-07-16
CA2630856A1 (fr) 2007-05-31
UA88241C2 (ru) 2009-09-25

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