EP2741870A1 - Installation de laminage et procédé de laminage - Google Patents

Installation de laminage et procédé de laminage

Info

Publication number
EP2741870A1
EP2741870A1 EP12742867.0A EP12742867A EP2741870A1 EP 2741870 A1 EP2741870 A1 EP 2741870A1 EP 12742867 A EP12742867 A EP 12742867A EP 2741870 A1 EP2741870 A1 EP 2741870A1
Authority
EP
European Patent Office
Prior art keywords
roller
rollers
rotation
rolling mill
abhaspei
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.)
Granted
Application number
EP12742867.0A
Other languages
German (de)
English (en)
Other versions
EP2741870B1 (fr
Inventor
Günter Karner
Konrad Krimpelstätter
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.)
Primetals Technologies Austria GmbH
Original Assignee
SIEMENS VAI METALS TECHNOLOGIES GmbH
Siemens VAI Metals Technologies GmbH Austria
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 SIEMENS VAI METALS TECHNOLOGIES GmbH, Siemens VAI Metals Technologies GmbH Austria filed Critical SIEMENS VAI METALS TECHNOLOGIES GmbH
Priority to EP12742867.0A priority Critical patent/EP2741870B1/fr
Publication of EP2741870A1 publication Critical patent/EP2741870A1/fr
Application granted granted Critical
Publication of EP2741870B1 publication Critical patent/EP2741870B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B21B1/24—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 continuous or semi-continuous process
    • B21B1/28—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 continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill
    • 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
    • B21B37/48—Tension control; Compression control
    • B21B37/50—Tension control; Compression control by looper control
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/008—Rollers for roller conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements
    • B21B39/084—Looper devices
    • 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
    • B21B37/48—Tension control; Compression 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
    • B21B37/68—Camber or steering control for strip, sheets or plates, e.g. preventing meandering

Definitions

  • the present invention relates to a rolling mill, in particular a cold rolling mill for cold rolling a
  • Metal strip with at least one cold rolling mill, with a Abhaspei upstream of the cold rolling stand, wherein between the Abhaspei and the cold rolling stand one unit
  • the present invention also relates to a method of rolling.
  • Pretreat metal strip For example, prior to a cold rolling process, the metal strip may be required
  • an S-roll unit is proposed, for example, in EP 1 784 266 B1.
  • the disadvantage here is that especially in hard and / or thick metal bands, even with large looping of the two S-rollers the desired
  • Rolling strip can be maintained in the cold rolling mill, the specified in a cold rolling process tight tolerances can be met.
  • Rolling mill in particular a cold rolling mill or a method for cold rolling specify so that even for hard and / or thick metal straps a sufficiently large and fluctuation-free tensile stress can be adjusted in the inlet region of a cold rolling mill, and that a correction of the tape running and threading the rolled strip as simple as possible is.
  • Adjustable direction of its roller axis This adjustment can be done individually or together. By this axial displacement of the rollers ensures that the means of the metal strip also enters the center of the mill stand. Since the work rolls of a roll stand usually have a convex contour or symmetrical to the plant center
  • Nip must yield, the inlet of the rolled strip
  • a wedge-shaped band profile in particular tends to run out of the center of the rolling mill.
  • each of these rollers is adjustable in a direction transverse to the axis of rotation by means of the drive and adjusting device. This becomes an essential one
  • Threading can also be done by one
  • Adjustment of the roles of the 3-roll system also alike the axial position of the Abhaspei is adjustable or is adjusted.
  • Rolling cold roll lie in a plane and that the intermediate role with respect to this plane is spatially adjustable. The deeper the middle roll dips below this level, the greater the wrap and consequently the adhesion between the tape and the roll. This allows the advantageous high strip tension in the inlet to the first
  • an embodiment may be advantageous in which the middle roller by means of a hydraulic
  • pivoted position in which the peripheral surface of this role is partially wrapped by the rolled strip is adjustable.
  • the middle roller immersed sufficiently deep, that is, when the wrap of the middle roller is disposed below the plane spanned by the axis of rotation of the other two rollers plane, and if the wrap the two supporting roles is above this level.
  • a particularly high strip tension in the inlet region can then be adjusted if the adjustment of the middle roller takes place in such a way that the middle roller has a loop of greater than 180 °.
  • the distance of lying in the plane of two supporting roles by means of the drive and Adjustment device can be changed continuously. This change can be brought about by moving both rollers toward or away from each other, whereby the looping and, as a result, the braking effect in the inlet can be given very differentiated.
  • the adjustment movement of the middle roller is a linear movement, which includes a predeterminable angle with respect to the plane.
  • the wrap of the three roles can be better adapted according to the desired influence on the tape.
  • the regulation of the drives of the rollers is technically easier.
  • Adjustment device is adjustable. For large systems, a separate version, for small plant a common drive and adjustment device may be advantageous. It is expedient to detect the lateral position of the strip in the inlet to the first rolling stand by measurement. This can be done for example by means of a sensor which detects the position of a web edge or both web edges and the
  • Measuring signal of the drive and adjusting device is supplied.
  • the drive and adjusting device determines from the measured signal of the band position a control signal to
  • Figure 1 is a schematic side view of
  • Figure 2 shows the cold rolling mill according to Figure 1 in the state of rolling, wherein the middle roller is in engagement with the metal strip;
  • Figure 3 shows the cold rolling mill of Figure 1, wherein the middle roller is immersed below the pass line and Switzerlandschwankept by a
  • Figure 4 shows the 3-roller system in a detailed view.
  • FIG. 1 schematically shows a side view of the
  • a rolled to a coil steel strip 2 is unwound from a Abhaspei 3 clockwise and passes from left to right in the direction of the unit 10.
  • This unit 10 is in Essentially of three rollers 6, 7, 8, of which the middle roller 7 is pivoted away in this operating position from the tape run and is not in engagement with the metal strip 2 (threading position).
  • the metal strip 2 is first transported on a part of a transfer table 13 and is subsequently supported by the roller 6, a second part of the transfer table 13 and the roller 8. In the case of very stiff metal strips, this threading operation can optionally be assisted by a pressure roller 19.
  • Transfer table 13 can be pivoted in and out by drawing drives not shown in the tape.
  • Adjusting device 11 changeable.
  • each of the rollers 6, 7, 8 is of the drive and
  • Adjustment device 11 not only to the associated
  • Rotary axis 6A, 7A, 8A rotationally driven and (jointly or separately) adjustable in the axial direction, but also the location of each roller 6, 7, 8 is in a direction transverse to its axis of rotation 6A, 7A, 8A by means of the drive and adjusting device eleventh adjustable.
  • Adjusting means 11 with which a rotational movement and at the same time the spatial position of a roll (or optionally also a Abhaspei) can be specified or adjusted in a rolling mill,
  • FIG. 2 shows the state during cold rolling.
  • the strip tension and the strip run in the region of the inlet to the roll stand 1 should be able to be preset as independently as possible from the strip tension in the area of the drawing section 3. Fluctuations in the tension during unwinding of the coil should not possible in the region of the inlet to
  • roller 6, 7, 8 is, as I said, rotationally driven by a drive, not shown.
  • the drive torque of the rollers 6, 7, 8 is thereby of the drive and
  • Adjustment device 11 predetermined so that on the one hand a braking action is exerted on the metal strip 2. By this braking effect, it is possible to maintain a desired minimum amount of tension in the inlet to the cold rolling mill 1. This retraction tension is largely independent and unaffected by pull variations that can occur when unwinding a loosely wound coil. Furthermore, the drive and adjusting device 11 also influences the spatial position of the axes of rotation of the rollers 6, 7, 8 (possibly also those of the Abhaspei 3 in the direction of its axis of rotation 3A). By a shift in the axial direction of the rollers can be influenced in addition to the tape tension on tape. This influence (both on rotary motion as well as on
  • Axial position of the axes of rotation is indicated symbolically in FIG. 2 by dashed lines (active and signal-conducting connection 4) and by the arrows 12.
  • a tape position detection 9 which is arranged between the unit 10 and the cold rolling stand 1. Monitoring the tape can
  • Tape position detection 9 is signal-conducting connected to the drive and adjusting device 11.
  • Measuring signal can be counteracted well with a conventional control bleeding of the metal strip 2. This is advantageous in particular in the case of a cross-sectional profile of the
  • Metal band which has the shape of a wedge.
  • FIG. 3 also shows the state during the
  • Adjustment 21 can take place with respect to the plane 15 perpendicular or at an angle 20.
  • a change in the angle 20 of the adjusting movement 21 influences the wrapping of the rollers 6, 7, 8.
  • the axes of rotation 6A, 7A, 8A of the rollers 6, 7, 8 are parallel to each other and with respect to the plane 15. In the position of the roller 7 shown in Figure 4 is her
  • Immersion depth of the middle roller 7 in conjunction with the horizontal adjustability of the two outer rollers 6, 8 of the 3-roller system can be set during cold rolling train construction in an advantageous manner and thus a high
  • Metal bands 2 comparatively easy. Due to the possibility of simultaneous axial displacement of Abhaspei 3 and firmly connected to it or separately displaceable 3-roller unit consists
  • Hot rolling can be used.
  • others can be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

L'invention concerne une installation de laminage, en particulier une installation de laminage à froid pour le laminage à froid d'une bande métallique (2), comportant au moins une cage de laminoir à froid (1), et un dévidoir (3) monté en amont de la cage de laminoir à froid (1). Une unité (10) est intercalée entre le dévidoir (3) et la cage de laminoir à froid (1), ladite unité (10) étant constituée d'au moins trois rouleaux (6, 7, 8) entraînés respectivement en rotation autour d'un axe de rotation (6A, 7A, 8A). Lesdits rouleaux (6, 7, 8) peuvent chacun être déplacés individuellement ou ensemble dans la direction des axes de rotation respectifs (6A, 7A, 8A) et dans une direction transversale à l'axe de rotation (6A, 7A, 8A) au moyen d'un dispositif d'entraînement et de déplacement (11).
EP12742867.0A 2011-08-08 2012-07-26 Installation de laminage et procédé de laminage Not-in-force EP2741870B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12742867.0A EP2741870B1 (fr) 2011-08-08 2012-07-26 Installation de laminage et procédé de laminage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11176837 2011-08-08
PCT/EP2012/064648 WO2013020814A1 (fr) 2011-08-08 2012-07-26 Installation de laminage et procédé de laminage
EP12742867.0A EP2741870B1 (fr) 2011-08-08 2012-07-26 Installation de laminage et procédé de laminage

Publications (2)

Publication Number Publication Date
EP2741870A1 true EP2741870A1 (fr) 2014-06-18
EP2741870B1 EP2741870B1 (fr) 2015-09-30

Family

ID=46603935

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12742867.0A Not-in-force EP2741870B1 (fr) 2011-08-08 2012-07-26 Installation de laminage et procédé de laminage

Country Status (5)

Country Link
US (1) US9776226B2 (fr)
EP (1) EP2741870B1 (fr)
CN (1) CN103717322B (fr)
RU (1) RU2598735C2 (fr)
WO (1) WO2013020814A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102095623B1 (ko) * 2014-07-15 2020-03-31 노벨리스 인크. 자려 1/3 옥타브 밀 진동의 댐핑 프로세스
US10065225B2 (en) 2014-07-25 2018-09-04 Novelis Inc. Rolling mill third octave chatter control by process damping
JP6534453B2 (ja) * 2016-01-14 2019-06-26 株式会社Ihi 圧延装置及び圧延装置の改造方法
DE102019215265A1 (de) * 2018-12-06 2020-06-10 Sms Group Gmbh Verfahren zum Betreiben eines Walzgerüstes zum Stufenwalzen
CN112845627A (zh) * 2020-12-30 2021-05-28 太原重工股份有限公司 带钢张力装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2514164C3 (de) * 1975-03-29 1981-10-22 Achenbach Buschhütten GmbH, 5910 Kreuztal Fördervorrichtung zum Einführen von Bandmaterial in Bandbearbeitungsmaschinen
US4179913A (en) * 1976-10-29 1979-12-25 National Steel Corporation Metal strip tensioning apparatus for use in continuous strip reduction cold mill and method
SU1340862A1 (ru) * 1985-09-06 1987-09-30 Производственное объединение "Новокраматорский машиностроительный завод" Способ сматывани в рулон гор чекатаной полосы и устройство дл его осуществлени
DE3600372A1 (de) * 1986-01-09 1987-07-16 Achenbach Buschhuetten Gmbh Foerdervorrichtung zum einfuehren von bandmaterial in bandbearbeitungsmaschinen
FR2617744B1 (fr) * 1987-07-08 1994-05-20 Clecim Procede et installation de planage d'une bande metallique
FR2628987A1 (fr) * 1988-03-25 1989-09-29 Ugine Aciers Dispositif de laminage a froid des toles minces et extra-minces
DE10133756A1 (de) * 2001-07-11 2003-01-30 Sms Demag Ag Kaltwalzwerk sowie Verfahren zum Kaltwalzen von metallischem Band
DE10315357B4 (de) * 2003-04-03 2005-05-25 Muhr Und Bender Kg Verfahren zum Walzen und Walzanlage zum Walzen von Metallband
DE20314840U1 (de) * 2003-09-25 2003-11-20 Achenbach Buschhütten GmbH, 57223 Kreuztal Vorrichtung zum Einführen von Bandmaterial und Besäumen der Bandkanten für Bandbearbeitungsmaschinen, insbesondere Feinband- und Folienwalzwerke
CN2700015Y (zh) * 2004-06-07 2005-05-18 曹全有 平整机三辊式张力装置
DE102004034090A1 (de) * 2004-07-15 2006-02-02 Sms Demag Ag Walzanlage zum Walzen metallischen Guts
DE102004041321A1 (de) 2004-08-26 2006-03-02 Sms Demag Ag Walzwerk zum Walzen von metallischem Band
US8250894B2 (en) * 2006-10-30 2012-08-28 Aida Engineering, Ltd. Releasing mechanism and leveling apparatus
RU2386491C2 (ru) * 2008-05-23 2010-04-20 Государственное образовательное учреждение высшего профессионального образования Липецкий государственный технический университет (ЛГТУ) Способ регулирования плоскостности полос при прокатке

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Also Published As

Publication number Publication date
US20140174141A1 (en) 2014-06-26
EP2741870B1 (fr) 2015-09-30
CN103717322A (zh) 2014-04-09
US9776226B2 (en) 2017-10-03
CN103717322B (zh) 2016-09-28
RU2598735C2 (ru) 2016-09-27
WO2013020814A1 (fr) 2013-02-14
RU2014108911A (ru) 2015-09-20

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