EP1850978B1 - Walzeinrichtung für ein inline-walzen eines insbesondere durch ein zweirollen-bandgiessen hergestelltes stahlband - Google Patents

Walzeinrichtung für ein inline-walzen eines insbesondere durch ein zweirollen-bandgiessen hergestelltes stahlband Download PDF

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Publication number
EP1850978B1
EP1850978B1 EP06723098A EP06723098A EP1850978B1 EP 1850978 B1 EP1850978 B1 EP 1850978B1 EP 06723098 A EP06723098 A EP 06723098A EP 06723098 A EP06723098 A EP 06723098A EP 1850978 B1 EP1850978 B1 EP 1850978B1
Authority
EP
European Patent Office
Prior art keywords
rolling
steel band
working
rolling device
rolls
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.)
Not-in-force
Application number
EP06723098A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1850978A1 (de
Inventor
Heinrich Marti
John Turley
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.)
Main Management Inspiration AG
Original Assignee
Main Management Inspiration 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 Main Management Inspiration AG filed Critical Main Management Inspiration AG
Publication of EP1850978A1 publication Critical patent/EP1850978A1/de
Application granted granted Critical
Publication of EP1850978B1 publication Critical patent/EP1850978B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B21B13/22—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for rolling metal immediately subsequent to continuous casting, i.e. in-line rolling of steel
    • 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
    • B21B1/46—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 metal immediately subsequent to continuous casting
    • 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
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • 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
    • B21B2013/003—Inactive rolling stands
    • 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
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/021—Twin mills
    • 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
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/025—Quarto, four-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2265/00—Forming parameters
    • B21B2265/12—Rolling load or rolling pressure; roll force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/12—Axial shifting the rolls
    • B21B2269/14—Work rolls
    • 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
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • 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
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • 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
    • B21B37/52—Tension control; Compression control by drive motor control
    • 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
    • B21B39/14—Guiding, positioning or aligning work
    • B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling

Definitions

  • the invention relates to a rolling device for an in-line rolling of a steel strip, in particular produced by a two-roll strip casting, according to the preamble of claim 1.
  • This in-line rolling process can be applied by strip casting, in which the cast strips can be rolled immediately after casting in the hot state at temperatures of about 900 ° -1200 ° C, which is a very efficient process.
  • a generic rolling device for inline rolling with at least two roller units, each associated with one located above and below the steel strip working roll and one rotatably connected to this work role supporting role, each with the working and support rollers with their axes of rotation on a perpendicular to the expansion of the steel strip extending plane is, for example, in JP-A 09001209 disclosed.
  • the in-line rolling speeds of the cast strip are many times smaller, and only about 0.5 to 2.0 m / s instead of about 20 m / s.
  • the rolling forces are very high, so that the rolling devices must be designed accordingly stable.
  • the invention has the object of providing a rolling device, which is designed by a simple and inexpensive construction and by means of which the cast steel strip is rolled at the optimum time.
  • the invention further provides to replace the work rolls without having to interrupt the rolling, i. that they can be changed almost on the fly.
  • Fig. 1 and Fig. 2 show a rolling device 10 for an in-line rolling of a particular produced by a two-roll strip casting steel strip 11, as well as from Fig. 3 can be removed.
  • This rolling device 10 is arranged at such a distance from the steel strip 11 generating casting rollers 41, 42, that the steel strip 11 has cooled sufficiently. It would also be possible to additionally cool the steel strip 11 by cooling panels not shown in detail before entering the rolling device 10. These cooling panels would be controllable so that with him the inlet temperature of the steel strip could be set to a selectable, as constant as possible over the width temperature.
  • roller units 20 and 30 there are two roller units 20 and 30 are provided, each having a work roll located above and below the steel strip 11 21, 31 and one each with this work roll 21, 31 rotatably connected support roller 22, 32 have.
  • These working 21, 31 and support rollers 22, 32 are located with their axes of rotation advantageously on a plane perpendicular to the extension of the steel strip 11 extending plane 20 ', 30'.
  • the work rolls 21, 31 are coupled with indicated drive shafts 21 ', 31' of a drive member. In principle, the support rollers or both, the working and the support rollers could be driven.
  • the two roller units 20, 30 are arranged directly successively in a frame construction 15. This results in the advantage that, on the one hand, the steel strip 11 cools only insignificantly from one to the next work rolls 21, 31. In addition, with this arrangement of the rolling device in comparison to conventional rolling mills also requires very little space and thus there are substantial cost savings.
  • the frame structure 15 is formed of four spaced-apart vertical columns 16, 17, 18 and these connecting transverse webs 14, 19. But it could also be designed as a housing or a housing-like frame, while the roles would be surrounded by him. This would be particularly useful if the steel strip were held in an inertization chamber provided within the frame housing.
  • a respective support roller 22, 32 is rotatably mounted on both sides in a respective bearing housing 23, 24, 33, 34 together with the rotatably connected to her work roll 21, 31.
  • two bearing housings 23, 33 are provided at the top and at the bottom, which are driven by a drive column 37 having a drive fastened to the upper transverse web 14 of the frame structure 15 36, for example, an electromechanical or a hydraulically acting spindle drive, in this perpendicular to the extension of the steel strip 11 extending plane 20 ', 30' are height adjustable.
  • the lower rollers 21, 22, 31, 32 rotatably mounted on both sides in a respective bearing housing 33, 34, said bearing housing 33, 34 are in turn coupled to a drive column 37 of a fixed to the transverse web 19 of the frame structure 15 drive 39.
  • the upper and lower bearing housings 23, 24, 33, 34 are on the inside directly to each other and on the outside of each column 17, 18 out. Between these bearing housings 23, 33 and 24, 34 are advantageously not shown measuring cells available, which measures and evaluates a force acting in the direction of the steel strip 11 horizontal force between these bearing housings, such that when exceeding a predetermined horizontal force, the rotational speeds of the work rolls 21, 31 from one to the other roller unit 20, 30 are adapted to reduce this horizontal force to zero or a predetermined horizontal force.
  • roller units 20, 30 additionally upstream Einlaufrollencover 12, 13 is provided, which also in the frame construction 15 is stored.
  • This inlet roller pair 12, 13 serves for a perfect guiding of the steel strip 11, in particular even when changing the work rolls.
  • the work rolls 21, 31 may be slidably disposed in the direction of the invention in order to achieve a uniform wear in its axial direction, which is not shown in detail.
  • both work rolls 21, 31 are arranged displaceably in the same direction.
  • Fig. 3 shows a schematic representation of the rotatable during casting casting rollers 41, 42, the existing between these existing molten bath 44 and the steel strip 11, which a loop diverted from a vertical to a horizontal position and by guide rollers 12 ', 13', the inlet rollers 12, 13 and is passed through the work rolls 21, 31.
  • the speed of the first reaching the steel strip 11 driven working rollers 21 of the roller unit 20 is brought in response to the rotational speed of the casting rollers 41, 42, while the rotational speed of the subsequent driven work rolls 31 in dependence on the speed of the upstream work rolls 21 takes place.
  • a coordinated control of the speeds and thus a rolling of the steel strip 11 can be achieved without the steel strip 11 between the pairs of work rolls 21, 31 spans or becomes too loose.
  • the invention does not exclude that two or more such rolling devices arranged one behind the other can also be placed.
  • the arrangement of the working and supporting rollers of a roller unit may be selected from a so-called 4-Hi (as shown), a 6-Hi or a Z-Hi.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)
EP06723098A 2005-02-23 2006-02-23 Walzeinrichtung für ein inline-walzen eines insbesondere durch ein zweirollen-bandgiessen hergestelltes stahlband Not-in-force EP1850978B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00333/05A CH697624B1 (de) 2005-02-23 2005-02-23 Walzeinrichtung für ein Inline-Walzen eines durch Bandgiessen, insbesondere Zweirollen-Bandgiessen hergestelltes Stahlband.
PCT/EP2006/001675 WO2006089755A1 (de) 2005-02-23 2006-02-23 Walzeinrichtung für ein inline-walzen eines insbesondere durch ein zweirollen-bandgiessen hergestelltes stahlband

Publications (2)

Publication Number Publication Date
EP1850978A1 EP1850978A1 (de) 2007-11-07
EP1850978B1 true EP1850978B1 (de) 2012-04-11

Family

ID=36273392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06723098A Not-in-force EP1850978B1 (de) 2005-02-23 2006-02-23 Walzeinrichtung für ein inline-walzen eines insbesondere durch ein zweirollen-bandgiessen hergestelltes stahlband

Country Status (10)

Country Link
US (1) US7984634B2 (ja)
EP (1) EP1850978B1 (ja)
JP (1) JP4823238B2 (ja)
KR (1) KR101278764B1 (ja)
CN (1) CN101128270B (ja)
AT (1) ATE552926T1 (ja)
CA (1) CA2598850C (ja)
CH (1) CH697624B1 (ja)
ES (1) ES2385253T3 (ja)
WO (1) WO2006089755A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5599786B2 (ja) * 2008-07-08 2014-10-01 アクティエボラゲット・エスコーエッフ 連続成形機におけるロールライン
IT1391890B1 (it) * 2008-10-14 2012-01-27 Piegatrici Macch Elettr Gruppo di traino e/o raddrizzatura per prodotti metallici oblunghi, quali barre, tondini o fili metallici
IT1399421B1 (it) * 2010-04-08 2013-04-16 Danieli Off Mecc Telaio di supporto per rulli di una gabbia di laminazione e gabbia di laminazione provvista di tale telaio
CN102652958A (zh) * 2012-05-04 2012-09-05 中国重型机械研究院有限公司 一种双六辊平整机
CN102814328B (zh) * 2012-05-04 2014-08-06 中国重型机械研究院有限公司 一种四六辊平整机
KR101778023B1 (ko) * 2016-05-31 2017-09-13 주식회사 포스코 블룸 인발장치
CN108723086A (zh) * 2018-06-06 2018-11-02 句容建荣汽配有限公司 压延机抽模装置
US11919059B2 (en) * 2019-01-28 2024-03-05 Primetals Technologies Germany Gmbh Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip
CN111318569B (zh) * 2020-03-24 2021-08-24 河北东海特钢集团有限公司 一种钢板冷轧设备

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Also Published As

Publication number Publication date
CN101128270A (zh) 2008-02-20
CN101128270B (zh) 2011-12-14
ATE552926T1 (de) 2012-04-15
US20080276680A1 (en) 2008-11-13
JP2008538535A (ja) 2008-10-30
CA2598850A1 (en) 2006-08-31
KR101278764B1 (ko) 2013-06-25
WO2006089755A1 (de) 2006-08-31
EP1850978A1 (de) 2007-11-07
JP4823238B2 (ja) 2011-11-24
KR20070106531A (ko) 2007-11-01
ES2385253T3 (es) 2012-07-20
CA2598850C (en) 2014-04-29
US7984634B2 (en) 2011-07-26
CH697624B1 (de) 2008-12-31

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