EP2251107B1 - Procédé de réglage de l'emplacement d'un cylindre dans un support de laminoir et système composé d'un laminoir et d'un état de calibrage destiné à l'exécution du procédé - Google Patents

Procédé de réglage de l'emplacement d'un cylindre dans un support de laminoir et système composé d'un laminoir et d'un état de calibrage destiné à l'exécution du procédé Download PDF

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Publication number
EP2251107B1
EP2251107B1 EP20100003812 EP10003812A EP2251107B1 EP 2251107 B1 EP2251107 B1 EP 2251107B1 EP 20100003812 EP20100003812 EP 20100003812 EP 10003812 A EP10003812 A EP 10003812A EP 2251107 B1 EP2251107 B1 EP 2251107B1
Authority
EP
European Patent Office
Prior art keywords
roller
rolling mill
rolling
stand
rollers
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
EP20100003812
Other languages
German (de)
English (en)
Other versions
EP2251107A1 (fr
Inventor
Matthias Terhart
Jovo Subanovic
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 Meer GmbH
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
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Publication of EP2251107A1 publication Critical patent/EP2251107A1/fr
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Publication of EP2251107B1 publication Critical patent/EP2251107B1/fr
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Classifications

    • 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
    • B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
    • B21B38/105—Calibrating or presetting roll-gap
    • 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
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
    • B21B13/10—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane
    • B21B13/103—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane for rolling bars, rods or wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/22—Aligning on rolling axis, e.g. of roll calibers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling

Definitions

  • the invention relates to a method for adjusting the position of at least one roller in a rolling mill stand of a rolling mill, wherein the rolling mill stand at least one rolling mill with a number of rolls receives, each roll is arranged in a roll position, and wherein the roll positions acting on means for adjusting the rolls are present relative to the roll stand. Furthermore, the invention relates to a system consisting of a rolling mill and a calibration stand according to the preamble of patent claim 7.
  • rolling stands for rolling of tubes and rods rolling stands are used, in which a plurality of roller assemblies are present, each storing a roller. Several rollers are arranged around the rolling axis and comprise substantially the entire circumference of the rolling stock. The rollers together form the roller caliber. Rolling mills with such rolling stands are for example from DE 103 16 650 B3 , from the DE 10 2005 042 835 B3 , from the DE 103 07 199 B3 and from the DE 200 05 700 U1 known.
  • a preferred embodiment of the known rolling mills provides that the adjustment of the rolls and their rolling stands outside the machine (Roll mill stand) takes place and that then takes place after installation of the rolls including rolling stands only one roll adjustment in the machine.
  • Roll mill stand the machine
  • Each roller can be set separately in its rolling stand.
  • the stands are set outside the machine to a nominal size.
  • the machine is calibrated by a calibrator. It is advantageous if the same calibration device is used for calibrating the machine and for calibrating the roll stand adjusting device.
  • the invention is therefore based on the object to provide a method of the type mentioned, with which it is possible, in a simple and fast way to an accurate adjustment of the rollers to the desired (ideal) Caliber to arrive, so that the quality of the rolled product is optimal, and to propose a corresponding system consisting of a rolling mill and a calibration, with which the process can be operated.
  • a corresponding system consisting of a rolling mill and a calibration, with which the process can be operated.
  • the rollers are thereby used to produce a tube or a rod.
  • three rollers act together to encompass the substantial circumference of the rolling stock.
  • the rollers are advantageously free of mechanical coupling.
  • the caliber of the caliber according to step b) above is preferably measured optically.
  • the amount of force is advantageously chosen equal in the above step b) and in the above step d).
  • the proposed system consisting of a rolling mill and a calibration stand, wherein the rolling mill has at least one rolling mill stand for receiving rollers arranged in a roll stand, wherein the rolling stand comprises means for adjusting the rollers relative to the rolling mill stand and wherein the calibration stand for receiving at least one roll stand with its Roll adjustments and rollers is formed to carry out the method according to the invention, characterized in that the roller adjustment has at least one effective in the direction of adjustment defined system, which cooperates with a contact surface on the rolling mill stand and a contact surface on the calibration. The roller adjustment can thus be pressed against the defined system both in the calibration and after the installation of the rolling stand in the rolling mill stand of the rolling mill.
  • the calibration stand can be a rolling mill stand of conventional construction or a supporting frame equipped with the corresponding functional elements and suitable for receiving a roll stand or the like.
  • the calibration stand preferably has means for acting on the roll adjustment in order to press the contact of the roll in the setting direction with a force against the contact surface on the roll stand of the calibration stand.
  • the calibration stand may further comprise means, preferably optical means, for measuring the actual caliber of the roll in the rolling stand of the calibration stand.
  • rollers are provided which comprise the substantial circumference of the rolling stock.
  • the setting method according to the invention is particularly applicable in rolling mills, in which the roll adjustment is carried out as intended outside the machine or the rolling mill and the roll adjustment within the machine.
  • each roller is individually adjustable. There is preferably no mechanical coupling of the individual rollers.
  • the proposed procedure ensures a reproducible hiring the individual rollers in the mill stand. It is carried out according to a core of the invention, a mechanical fixation of the calibration position in the rolling stand, so that this position can be approached reproducible in the rolling mill regardless of the positioning of the rolling mill both in the setting (calibration) and in the machine (rolling mill stand).
  • Fig. 1 is a rolling mill stand 1 of a rolling mill shown schematically having a rolling mill 5 with three Walzenangna 6, 7 and 8, in each of which a roller 2, 3, 4 superimposed.
  • the rolling mill is a continuous rolling mill, a sizing mill or a stretch reducing mill.
  • the three rollers 2, 3, 4 comprise during rolling the essential circumference of a tube to be rolled 15.
  • the three rollers 2, 3, 4 together form the caliber 13, which gives the rolling stock the shape of the tube 15 during rolling.
  • a roll stand 10 is shown in fragmentary form in a calibration stand into which the roll stand 10 together with the installed roll 2, 3, 4 can be inserted.
  • the roller adjustment 6 (as the roller adjustments 7 and 8 alike) two systems 11, which can cooperate with corresponding contact surfaces 12 on the roll stand 10.
  • means not shown are provided, with which a force F in the registered direction can be exerted on the roller adjustment 6 to press the equipment 11 on the contact surfaces 12.
  • FIG. 3 The (calibration) position thus achieved is designated A.
  • the caliber 13 of the roller or the roller position z k is determined during calibration, for which optical measuring systems are particularly suitable.
  • FIGS. 4 and 5 clarified.
  • the calibration position A can be seen, in which the systems 11 abut against the corresponding contact surfaces 12 of the roll stand 10, while in Fig. 5 It can be seen that the roller 2 has been withdrawn in the setting direction by a deviation amount ⁇ z in order to achieve the ideal position z 0 .
  • the complete rolling stand 10 of the calibration stand is installed as a roll stand 5 in the rolling mill stand 1.
  • the force F is now in turn applied, in such a way that the equipment 11 of the roller stops 6, 7, 8 at corresponding contact surfaces 14 (s. Fig. 1 ) abut the rolling stand 5.
  • These bearing surfaces 14 are executed analogously to the contact surfaces 12 of the roll stand in the calibration.
  • the roller adjustments 6, 7, 8 together with rollers 2, 3, 4 are now retracted by the determined deviation ⁇ z in order to achieve the ideal position of the rollers 2, 3, 4.
  • Fig. 1 in which the position thus obtained is shown, it can be seen that accordingly the plants 11 have lifted off the contact surfaces 14 again.
  • the means 9 for adjusting the rollers in the machine can be designed as hydraulic or as electromechanical adjusting elements.
  • the adjustment of the rolls takes place outside the machine (of the rolling mill) in the calibration stand.
  • the position of the rollers is preferably optically detected.
  • a reference position 11 is approached with a defined force against the mechanical stop 12 in the calibration. In this position, the caliber is measured and recorded the deviation to the ideal caliber.
  • the reference position is approached with the same force via the roller adjustment and the position measuring system is calibrated in this position.
  • the measuring system receives the correction value previously determined in the calibration stand (deviation amount ⁇ z) for the optimum caliber position and sets the ideal caliber.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Rolling (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Claims (9)

  1. Procédé de réglage de la position (z0) d'au moins un cylindre (2, 3, 4) dans un support de laminoir (1) d'un laminoir, le support de laminoir (1) recevant au moins une cage de laminage (5) équipée d'un certain nombre de cylindres (2, 3, 4), chaque cylindre (2, 3, 4) étant disposé dans un système d'approche de cylindres (6, 7, 8) et les moyens (9) sollicitant les systèmes d'approche de cylindres (6, 7, 8) étant prévus pour approcher les cylindres (2, 3, 4) par rapport à la cage de laminage (5),
    caractérisé en ce que
    le procédé comprend les étapes consistant à :
    a) disposer au moins une cage de laminage (5) avec ses cylindres (2, 3, 4) dans un poste de calibrage ;
    b) solliciter les systèmes d'approche (6, 7, 8) avec une force (F) dans un sens d'approche (z) de manière à ce que le cylindre (2, 3, 4) appuie par un point de contact défini (11) contre une surface d'appui (12) de la cage de laminage (10) du poste de calibrage et mesurer le calibre réel (13) du cylindre (2, 3, 4) dans cette position (A) ;
    c) définir l'amplitude de l'écart (Δz) dans le sens d'approche (z) entre la position (A) suivant l'étape b) et la position du cylindre pour atteindre le calibre idéal (z0) ;
    d) intégrer la cage de laminage avec le cylindre (2, 3, 4) venant du poste de calibrage dans le support de laminoir (1) du laminoir et solliciter le systèmes d'approche de cylindres (6, 7, 8) avec une force (F) dans le sens d'approche (z) de manière à ce que le cylindre (2, 3, 4) appuie par un point de contact défini (11) contre une surface d'appui (14) de la cage de laminage (5) intégrée dans le support de laminoir (1) du laminoir ;
    e) régler le système d'approche de cylindres (6, 7, 8) dans le sens inverse du système d'approche (z) à raison de l'amplitude de l'écart (Δz) et début de l'opération de laminage dans le laminoir avec le réglage (z0) ainsi obtenu pour la cage de laminage (5) en fonctionnement du système d'approche de cylindres (6, 7, 8) et du cylindre (2, 3, 4) .
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    les cylindres (2, 3, 4) sont utilisés pour fabriquer un tube ou une barre.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    trois cylindres (2, 3, 4) interagissent.
  4. Procédé selon la revendication 3,
    caractérisé en ce que
    les cylindres (2, 3, 4) sont dépourvus de couplage mécanique.
  5. Procédé selon une des revendications 1 à 4,
    caractérisé en ce que
    la mesure du calibre (13) se fait par système optique suivant l'étape b) selon la revendication 1.
  6. Procédé selon une des revendications 1 à 5,
    caractérisé en ce que
    la valeur de la force (F) est égale suivant l'étape b) et l'étape d) selon la revendication 1.
  7. Système composé d'un laminoir et d'un poste de calibrage, le laminoir présentant au moins un support de laminoir (1) destiné à recevoir des cylindres (2, 3, 4) disposés dans une cage de laminage (5), la cage de laminage (5) présentant des moyens (9) d'approche des cylindres (2, 3, 4) par rapport au support de laminoir (1) et le poste de calibrage étant conçu pour recevoir au moins une cage de laminage (10) avec ses cylindres (2, 3, 4) et systèmes d'approche de cylindres (6, 7, 8), pour la réalisation du procédé selon une des revendications 1 à 6,
    caractérisé en ce que
    le système d'approche de cylindres (6, 7, 8) présente au moins un point de contact défini (11) actif dans le sens d'approche (z) et qui interagit avec une surface d'appui (14) du support de laminoir (1) et une surface d'appui (12) du poste de calibrage.
  8. Système selon la revendication 7,
    caractérisé en ce que
    le poste de calibrage présente des moyens de sollicitation des systèmes d'approche de cylindres (6, 7, 8) afin de pousser le point de contact (11) du système d'approche de cylindres (6, 7, 8) dans le sens d'approche (z) avec une force (F) contre la surface d'appui (12) de la cage de laminage (10) du poste de calibrage.
  9. Système selon la revendication 7 ou 8,
    caractérisé en ce que
    le poste de calibrage présente en outre des moyens, de préférence des moyens optiques, permettant de mesurer le calibre réel (13) du cylindre (2, 3, 4) dans la cage de laminage (10) du poste de calibrage.
EP20100003812 2009-05-14 2010-04-09 Procédé de réglage de l'emplacement d'un cylindre dans un support de laminoir et système composé d'un laminoir et d'un état de calibrage destiné à l'exécution du procédé Active EP2251107B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009021260A DE102009021260A1 (de) 2009-05-14 2009-05-14 Verfahren zum Einstellen der Lage einer Walze in einem Walzwerkständer eines Walzwerks und Sytem bestehend aus einem Walzwerk und einem Kalibrierstand

Publications (2)

Publication Number Publication Date
EP2251107A1 EP2251107A1 (fr) 2010-11-17
EP2251107B1 true EP2251107B1 (fr) 2012-12-26

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Application Number Title Priority Date Filing Date
EP20100003812 Active EP2251107B1 (fr) 2009-05-14 2010-04-09 Procédé de réglage de l'emplacement d'un cylindre dans un support de laminoir et système composé d'un laminoir et d'un état de calibrage destiné à l'exécution du procédé

Country Status (3)

Country Link
EP (1) EP2251107B1 (fr)
DE (1) DE102009021260A1 (fr)
ES (1) ES2399501T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010010697B4 (de) * 2009-03-31 2017-11-02 Sms Group Gmbh Walzwerk zum Herstellen von Rohren und Stäben oder dergleichen Langprodukten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911930A1 (de) * 1989-04-12 1990-10-25 Ali Bindernagel Verfahren zum herstellen von walzgeruesten und walzgeruest zur durchfuehrung des verfahrens
DE4137451C2 (de) * 1991-11-14 1994-07-14 Kocks Technik Verfahren und Vorrichtung zum Einstellen von drei, eine gemeinsame Kaliberöffnung bildende Walzen oder Führungsrollen
DE20005700U1 (de) 2000-03-28 2001-08-02 Kocks Technik Walzengerüst für Walzstraßen zum Walzen von metallischen Rohren, Stäben oder Drähten
DE10307199B3 (de) 2003-02-20 2004-08-19 Sms Meer Gmbh Walzgerüst zum Walzen von langgestrecktem Gut
DE10316650B3 (de) 2003-04-11 2004-10-21 Sms Meer Gmbh Walzenanordnung für ein Walzgerüst
DE10357613B3 (de) * 2003-12-10 2005-06-02 Sms Meer Gmbh Verfahren zum axialen Positionieren von Walzen in einem Walzgerüst und Walzgerüst
DE102005042835B3 (de) 2005-09-09 2007-05-31 Sms Meer Gmbh Walzwerk zum Herstellen von Rohren und Stäben oder dergleichen Langprodukten

Also Published As

Publication number Publication date
EP2251107A1 (fr) 2010-11-17
ES2399501T3 (es) 2013-04-01
DE102009021260A1 (de) 2010-11-18

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