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EP0672471B1 - Method and device for rolling strips - Google Patents

Method and device for rolling strips Download PDF

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Publication number
EP0672471B1
EP0672471B1 EP95103289A EP95103289A EP0672471B1 EP 0672471 B1 EP0672471 B1 EP 0672471B1 EP 95103289 A EP95103289 A EP 95103289A EP 95103289 A EP95103289 A EP 95103289A EP 0672471 B1 EP0672471 B1 EP 0672471B1
Authority
EP
European Patent Office
Prior art keywords
rolls
diameter
regions
thermal
radius
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.)
Expired - Lifetime
Application number
EP95103289A
Other languages
German (de)
French (fr)
Other versions
EP0672471A1 (en
Inventor
Jürgen Seidel
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 Siemag AG
Original Assignee
SMS Schloemann Siemag AG
Schloemann 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 Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP0672471A1 publication Critical patent/EP0672471A1/en
Application granted granted Critical
Publication of EP0672471B1 publication Critical patent/EP0672471B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21B13/14—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
    • B21B13/142—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 by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • 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

Definitions

  • the invention relates to a method for rolling strips axially movable rollers.
  • roll wear Another influencing variable St is roll wear, which is primarily occurs where the rolled strip comes into contact with the rolls, and which reduces the diameter of the rollers.
  • JP 61-52915 discloses a method for influencing the roll gap profile, both thermal and wear-related Changes in crowning are determined and by shifting the work rolls be adjusted in such a way that as flat a strip as possible is rolled can be.
  • GB 2 198 981 A discloses differently designed rolls, by means of of which the thickness of the rolled strip can be influenced accordingly.
  • the rollers have a cut similar to the well-known CVC cut and, like the CVC rollers, serve the thickness of the strip influence in the border area, in the quarter area or in the middle area to be able to.
  • Roll materials are used whose wear is negligible is small, then at least one is disrupting the rolling programs Minimized influencing variable over the width of the rollers been. Because the roller wear is basically contrary to the increasing thermal crowning works, it takes part in the rolling process low-wear rollers even more noticeable.
  • the invention is therefore based on the object of an actuator to demonstrate the annoying thermal crowning effect counteract simple and inexpensive to free rolling plans to be able to design.
  • wear-resistant rollers with at least executed in one of their end regions with enlarged radii Rolls are shifted against each other in such a way that the rolled strip in its width with areas of smaller radius in Stand in contact and that with increasing warming and thus thermal Bombing by shifting the roller areas in opposite directions their larger radius' pushed over edge areas of the rolled strip become. This ensures that the edge region elevations of the Band that occur due to the increasing thermal crowning would be eliminated.
  • the amount of displacement can e.g. determined in a calculator be the thermal crowning based on a calculation model determined online, taking values about the contour of the roller, its elastic deformation, etc. can be used to achieve an optimal Move position and thus set a desired belt contour.
  • rollers of a pair of rollers are each in the end areas of their bales with opposite their middle area increased diameter are executed.
  • Figure 1 is an upper work roll 1 and a lower work roll 2 can be seen. Between the work rolls 1, 2 that is too rolling band 3 arranged.
  • the upper work roll 1 has a diameter on its right side on that with the diameter of the left side of the bottom Work roll 2 matches. They are shown very exaggerated two work rolls 1, 2 at their other two ends 4, 5 slightly larger diameter. In the contact area of band 3 with the work rolls 1, 2 is also shown greatly exaggerated Thermal crowning 6, 7 of the rollers 1, 2 can be seen.
  • the work rolls 1, 2 are opposite in the direction of arrows 8, 9 shifted against each other that their edge areas 4, 5 larger Diameter are shifted over the edge areas of the rolled strip.
  • Figure 2 shows an upper work roll 1 'and a lower work roll 2 ', the bale ends 4, 4' and 5, 5 'different Have diameter.
  • the slopes 10, 10 ', 11, 11' are also different so that different thermal crowning are compensable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Control Of Metal Rolling (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

Strip rolling process with axially movable, low wear rolls of enlarged diameter in the end area (4,5) which are moved axially (8,9) with increasing thermal camber with the larger diameter end over the strip edge zones. Rolls of appropriate profile are also claimed.

Description

Die Erfindung betrifft ein Verfahren zum Walzen von Bändern mit axial verschiebbaren Walzen.The invention relates to a method for rolling strips axially movable rollers.

Beim Walzen von Band sind mehrere gravierende Einflußgrößen bekannt, die das Bandprofil und die Bandplanheit beeinflussen. Eine dieser Einflußgrößen ist die thermische Bombierung der Walzen, die mit steigendem Walzgutdurchsatz durch ein Gerüst zunimmt. Die thermische Bombierung nimmt von den Bereichen der Walzen, die in der Walzgutmitte liegen zu den Walzgutkanten hin ab. Damit wird mit zunehmendem Walzgutdurchsatz Walzgut mit Kantenüberhöhung gewalzt.Several serious influencing factors are known when rolling strip, that affect the strip profile and flatness. One of these Influencing factors is the thermal crowning of the rollers, which with increasing throughput through a stand increases. The thermal Bombing takes off from the areas of the rolls in the middle of the rolling stock lie towards the edges of the rolling stock. With increasing Rolled material throughput Rolled material rolled with edge elevation.

Eine weitere Einflußgröße St der Walzenverschleiß, der vornehmlich dort auftritt, wo das Walzband mit den Walzen in Kontakt kommt, und der den Durchmesser der Walzen abnehmen läßt.Another influencing variable St is roll wear, which is primarily occurs where the rolled strip comes into contact with the rolls, and which reduces the diameter of the rollers.

Die JP 61-52915 offenbart ein Verfahren zum Beeinflussen des Walzspaltprofils, wobei sowohl thermische als auch verschleißbedingte Balligkeitsänderungen ermittelt und durch Verschieben der Arbeitswalzen so ausgeregelt werden, daß möglichst planes Band gewalzt werden kann.JP 61-52915 discloses a method for influencing the roll gap profile, both thermal and wear-related Changes in crowning are determined and by shifting the work rolls be adjusted in such a way that as flat a strip as possible is rolled can be.

Es ist auch bekannt, durch zyklisches, axiales Verschieben der Walzen eine Vergleichmäßigung sowohl der thermischen Bombierung als vor allem auch des Verschleißes zu erreichen. Durch Kühlung bzw. Heizung der Walzen kann der thermischen Bombierung entgegengewirkt werden, eine Verhinderung der thermischen Bombierung ist mit diesen Maßnahmen jedoch nicht möglich. It is also known by cyclical, axial displacement of the Rolls an equalization of both thermal crowning as well especially to achieve wear. By cooling or Heating the rollers can counteract the thermal crowning prevent thermal crowning with these However, measures are not possible.

Die GB 2 198 981 A offenbart verschieden gestaltete Walzen, mittels derer die Dicke des Walzbandes entsprechend beeinflußt werden kann. Die Walzen weisen einen dem bekannten CVC-Schliff ähnlichen Schliff auf und dienen, wie auch die CVC-Walzen dazu, die Dicke des Bandes im Randbereich, im Viertelbereich bzw. Mittenbereich beeinflussen zu können.GB 2 198 981 A discloses differently designed rolls, by means of of which the thickness of the rolled strip can be influenced accordingly. The rollers have a cut similar to the well-known CVC cut and, like the CVC rollers, serve the thickness of the strip influence in the border area, in the quarter area or in the middle area to be able to.

Die DE 39 19 285 A1 zeigt ebenfalls Walzen, mittels derer Viertelwellen entgegengewirkt werden soll. Der Einsatz von verschleißarmen Walzen ist bei keiner der Entgegenhaltungen offenbart.DE 39 19 285 A1 also shows rollers by means of which quarter waves should be counteracted. The use of low-wear Rolling is not disclosed in any of the references.

Bedingt durch das Auftreten der thermischen Bombierung und des Arbeitswalzenverschleißes unterliegt der Walzprogrammaufbau (Breite, Materialdicke) strengen Regeln. Wunsch ist es jedoch, die Walzprogramme freier zusammenstellen zu können.Due to the occurrence of thermal crowning and Work roll wear is subject to the rolling program structure (width, Material thickness) strict rules. However, the rolling programs are desirable to be able to compose more freely.

Werden Walzenwerkstoffe eingesetzt, deren Verschleiß vernachlässigbar klein ist, so ist zumindest eine die Walzprogramme störende sich über die Breite der Walzen ständig ändernde Einflußgröße minimiert worden. Da der Walzenverschleiß im Grunde entgegen der zunehmenden thermischen Bombierung wirkt, macht sich diese beim Walzen mit verschleißarmen Walzen noch stärker bemerkbar.Roll materials are used whose wear is negligible is small, then at least one is disrupting the rolling programs Minimized influencing variable over the width of the rollers been. Because the roller wear is basically contrary to the increasing thermal crowning works, it takes part in the rolling process low-wear rollers even more noticeable.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Stellglied aufzuzeigen, um den störenden, thermischen Bombierungs-Effekt einfach und kostengünstig entgegenzuwirken, um Walzpläne freier gestalten zu können.The invention is therefore based on the object of an actuator to demonstrate the annoying thermal crowning effect counteract simple and inexpensive to free rolling plans to be able to design.

Dazu wird vorgeschlagen, daß als Walzen verschleißarme mit mindestens in einem ihrer Endbereiche mit vergrößerten Radien ausgeführte Walzen derart gegeneinander verschoben werden, daß das Walzband in seiner Breite jeweils mit Bereichen des geringeren Radius' in Kontakt stehen und daß mit zunehmender Erwärmung und damit thermischer Bombierung durch gegensinniges Verschieben der Walzen Bereiche ihres größeren Radius' über Randbereiche des Walzbandes geschoben werden. Dadurch wird erreicht, daß die Randbereichüberhöhungen des Bandes, die durch die steigende thermische Bombierung eintreten würden, beseitigt werden.For this purpose, it is proposed that wear-resistant rollers with at least executed in one of their end regions with enlarged radii Rolls are shifted against each other in such a way that the rolled strip in its width with areas of smaller radius in Stand in contact and that with increasing warming and thus thermal Bombing by shifting the roller areas in opposite directions their larger radius' pushed over edge areas of the rolled strip become. This ensures that the edge region elevations of the Band that occur due to the increasing thermal crowning would be eliminated.

Das Maß der Verschiebung kann z.B. in einem Rechner ermittelt werden, der die thermische Bombierung anhand eines Rechenmodells online bestimmt, wobei Werte über die Kontur der Walze, deren elastische Deformation usw. herangezogen werden, um eine optimale Verschiebeposition und damit eine gewünschte Bandkontur einzustellen.The amount of displacement can e.g. determined in a calculator be the thermal crowning based on a calculation model determined online, taking values about the contour of the roller, its elastic deformation, etc. can be used to achieve an optimal Move position and thus set a desired belt contour.

Es hat sich bewährt, wenn die Walzen eines Walzenpaares jeweils in den Endbereichen ihrer Ballen mit gegenüber deren Mittelbereich erhöhtem Durchmesser ausgeführt sind.It has proven effective if the rollers of a pair of rollers are each in the end areas of their bales with opposite their middle area increased diameter are executed.

Von Vorteil ist, wenn der Durchmesserzuwachs im Bandkantenbereich stetig ist.It is advantageous if the diameter increase in the band edge area is steady.

Werden die Merkmale des Anspruchs 3 verwirklicht, so lassen sich unterschiedliche maximale Randbereichüberhöhungen kompensieren.If the features of claim 3 are realized, it can be compensate for different maximum edge area elevations.

Weitere vorteilhafte Ausgestaltungen ergeben sich nach den Ansprüchen 4 bis 6.Further advantageous embodiments result from the claims 4 to 6.

Ein Ausführungsbeispiel der Erfindung wird anhand einer Zeichnung näher erläutert. Dabei zeigen

Figur 1
die Prinzipdarstellung eines Arbeitswalzenpaares während des Walzvorgangs, wobei die thermische Bombierung und der erfindungsgemäße Walzenschliff zu erkennen ist, die beim Walzvorgang übliche Walzenabplattung und Walzendurchbiegung jedoch nicht berücksichtigt ist, und
Figur 2
ein Arbeitswalzenpaar mit beidseitig verstärkten Walzen.
An embodiment of the invention is explained in more detail with reference to a drawing. Show
Figure 1
the schematic diagram of a pair of work rolls during the rolling process, the thermal crowning and the roll grinding according to the invention can be seen, but the usual roll flattening and roll deflection during the rolling process is not taken into account, and
Figure 2
a pair of work rolls with rolls reinforced on both sides.

Der Figur 1 ist eine obere Arbeitswalze 1 und eine untere Arbeitswalze 2 zu entnehmen. Zwischen den Arbeitswalzen 1, 2 ist das zu walzende Band 3 angeordnet.Figure 1 is an upper work roll 1 and a lower work roll 2 can be seen. Between the work rolls 1, 2 that is too rolling band 3 arranged.

Die obere Arbeitswalze 1 weist an ihrer rechten Seite einen Durchmesser auf, der mit dem Durchmesser der linken Seite der unteren Arbeitswalze 2 übereinstimmt. Stark überhöht dargestellt weisen die beiden Arbeitswalzen 1, 2 an ihren beiden anderen Enden 4, 5 geringfügig größere Durchmesser auf. Im Kontaktbereich des Bandes 3 mit den Arbeitswalzen 1, 2 ist ebenfalls stark überhöht dargestellt die thermisch Bombierung 6, 7 der Walzen 1, 2 zu erkennen. Die Arbeitswalzen 1, 2 sind in Richtung der Pfeile 8, 9 so entgegengesetzt gegeneinander verschoben, daß deren Randbereiche 4, 5 größeren Durchmessers über die Randbereiche des Walzbandes verschoben sind.The upper work roll 1 has a diameter on its right side on that with the diameter of the left side of the bottom Work roll 2 matches. They are shown very exaggerated two work rolls 1, 2 at their other two ends 4, 5 slightly larger diameter. In the contact area of band 3 with the work rolls 1, 2 is also shown greatly exaggerated Thermal crowning 6, 7 of the rollers 1, 2 can be seen. The work rolls 1, 2 are opposite in the direction of arrows 8, 9 shifted against each other that their edge areas 4, 5 larger Diameter are shifted over the edge areas of the rolled strip.

Es ist zu erkennen, daß das Band 3 in seinen Kantenbereichen weniger starke Wulste aufweist, als die zu erwartenden Wulste ohne die Verstärkung der Walzenendbereich auffallen würde.It can be seen that the band 3 in its edge areas less has strong beads than the beads to be expected without the Reinforcement of the roller end area would be noticed.

Die Steilheit des Übergangs vom kleinen zum größeren Durchmesser der Walzen sowie die Differenz zwischen dem kleinen und dem großen Durchmesser ist abhängig von der zu erwartenden thermischen Bombierung 6, 7.The steepness of the transition from the small to the larger diameter of the rollers as well as the difference between the small and the large Diameter depends on the thermal crowning to be expected 6, 7.

Figur 2 zeigt eine obere Arbeitswalze 1' sowie eine untere Arbeitswalze 2', deren Ballenenden 4, 4' bzw. 5, 5' unterschiedliche Durchmesser aufweisen. Auch die Steigungen 10, 10', 11, 11' sind unterschiedlich, so daß unterschiedliche thermische Bombierungen kompensierbar sind.Figure 2 shows an upper work roll 1 'and a lower work roll 2 ', the bale ends 4, 4' and 5, 5 'different Have diameter. The slopes 10, 10 ', 11, 11' are also different so that different thermal crowning are compensable.

Claims (6)

  1. Method of rolling strips (3) by axially displaceable rolls (1, 2), characterised in that low-wear rolls (1, 2: 1', 2') executed with enlarged radii at least in one of the end regions (4, 5 or 4', 5') thereof are displaceable as rolls relative to one another in such a manner, that the strip (3) to be rolled stands in contact in its width each time with regions of the smaller radius and that with increasing heating and with thermal dishing (6, 7) regions (4, 5 or 4', 5') of the greater radius of the rolls (1, 2; 1', 2') are pushed over edge regions of the strip (3), which is to be rolled, by displacements (8, 9) of the rolls in opposite sense.
  2. Method according to claim 1, characterised in that for compensation for the strong thermal dishing to be expected in the middle region of the rolls the diameter of the rolls (1, 2; 1', 2') increases from the middle region thereof with the smallest diameter to the end region (4, 5; 4', 5') of the rolls (1, 2; 1', 2').
  3. Method according to claim 2, characterised in that rolls are used in which the diameter of the end regions (4, 4'; 5, 5') of a roll are different and that the diameter of the end regions of the second roll of the roll pair have correspondingly reversed diameter ratios.
  4. Method according to one of claims 2 and 3, characterised in that rolls are used in which the maximum difference of the radii of the diameter regions lies in the order of magnitude of the increase in radius to be expected as thermal dishing (6, 7) in operation.
  5. Method according to claim 4, characterised in that rolls are used in which the difference in radius exceeds the maximum increase in radius of the thermal dishing (6, 7).
  6. Method according to one of claims 2 to 5, characterised in that working rolls (1, 2; 1', 2') with reinforced circumferential surface ends (4, 5; 4', 5') are used.
EP95103289A 1994-03-18 1995-03-08 Method and device for rolling strips Expired - Lifetime EP0672471B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4409299 1994-03-18
DE4409299A DE4409299A1 (en) 1994-03-18 1994-03-18 Method and device for rolling strips

Publications (2)

Publication Number Publication Date
EP0672471A1 EP0672471A1 (en) 1995-09-20
EP0672471B1 true EP0672471B1 (en) 1999-12-08

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Family Applications (1)

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EP95103289A Expired - Lifetime EP0672471B1 (en) 1994-03-18 1995-03-08 Method and device for rolling strips

Country Status (9)

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US (1) US5697244A (en)
EP (1) EP0672471B1 (en)
JP (1) JPH0839120A (en)
KR (1) KR100323469B1 (en)
AT (1) ATE187368T1 (en)
DE (2) DE4409299A1 (en)
ES (1) ES2140572T3 (en)
FI (1) FI109771B (en)
TW (1) TW284714B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005023444A3 (en) * 2003-09-04 2006-01-26 Sms Demag Ag Method and device for applying an adjustable tensile-stress distribution, in particular in the edge regions of cold-rolled metal strips
DE102006051728A1 (en) * 2006-10-30 2008-05-08 Thyssenkrupp Nirosta Gmbh Method and rolling of metal strips, in particular steel strips

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719318C2 (en) * 1997-05-08 2003-06-12 Sms Demag Ag Process for influencing the belt contour in the edge area of a roller belt
JP2005052864A (en) * 2003-08-04 2005-03-03 Ishikawajima Harima Heavy Ind Co Ltd Strip production equipment
US8607847B2 (en) * 2008-08-05 2013-12-17 Nucor Corporation Method for casting metal strip with dynamic crown control
US8607848B2 (en) * 2008-08-05 2013-12-17 Nucor Corporation Method for casting metal strip with dynamic crown control
RU2413584C1 (en) * 2009-10-28 2011-03-10 Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") Method and casting-rolling complex for production of foil from nonferrous metals and alloys
US8505611B2 (en) 2011-06-10 2013-08-13 Castrip, Llc Twin roll continuous caster
CN102744260B (en) * 2012-07-09 2014-05-28 首钢总公司 Working roller considering both convexity and edge drop control of strip steel and design method for roller shape of working roller
CN205659983U (en) 2016-06-15 2016-10-26 日照宝华新材料有限公司 ESP production line is with long kilometer number rolling rollers
KR101868064B1 (en) * 2018-02-28 2018-07-19 보 현 이 Manufacturing device for embossing metal pipe to enable easier weld both sides of embossing sheet metal and process for preparing the same
CN114769325B (en) * 2022-04-26 2023-07-25 马鞍山钢铁股份有限公司 A method for controlling roll shifting of CVC work rolls in hot continuous rolling

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997370A (en) * 1975-11-17 1976-12-14 Bethlehem Steel Corporation Method of hot reducing ferrous and ferrous alloy products with composite martensitic nodular cast chill iron rolls
JPS5630014A (en) * 1979-08-17 1981-03-26 Kobe Steel Ltd Rolling mill
DE3038865C1 (en) * 1980-10-15 1982-12-23 SMS Schloemann-Siemag AG, 4000 Düsseldorf Roll stand with axially movable rolls
JPS58212802A (en) * 1982-06-02 1983-12-10 Kawasaki Steel Corp Rolling mill
JPS6152915A (en) * 1984-08-23 1986-03-15 Kawasaki Steel Corp Plate rolling method by work roll shifting mill
JPS61296904A (en) * 1985-06-26 1986-12-27 Nippon Steel Corp rolling mill
US4656859A (en) * 1985-08-21 1987-04-14 Wean United, Inc. Rolling mill stand employing variable crown rolls and associated method
JPS6293017A (en) * 1985-10-21 1987-04-28 Nippon Steel Corp Plate profile control method in rolling
JPH0688053B2 (en) * 1986-05-30 1994-11-09 川崎重工業株式会社 Rolling method
DE3620197A1 (en) * 1986-06-16 1987-12-17 Schloemann Siemag Ag ROLLING MILL FOR PRODUCING A ROLLING GOOD, ESPECIALLY A ROLLING STRIP
GB8630797D0 (en) * 1986-12-23 1987-02-04 Davy Mckee Sheffield Rolling of metal strip
JPH0622725B2 (en) * 1987-01-12 1994-03-30 株式会社日立製作所 Rolling mill control method
JP2616917B2 (en) * 1987-01-24 1997-06-04 株式会社日立製作所 Rolling method by roll shift rolling mill
DE3712043C2 (en) * 1987-04-09 1995-04-13 Schloemann Siemag Ag Roll stand with axially displaceable rolls
GB2222376B (en) * 1988-08-29 1993-04-07 Sendzimir Inc T Apparatus and method for cold rolling of metal strip
JPH0270804U (en) * 1988-11-21 1990-05-30
JPH0620562B2 (en) * 1988-12-28 1994-03-23 住友金属工業株式会社 Sheet crown control method during hot rolling
JPH06198313A (en) * 1992-12-28 1994-07-19 Kawasaki Steel Corp Roll for hot finishing mill
JPH06277727A (en) * 1993-03-25 1994-10-04 Kobe Steel Ltd Method for controlling plate crown
JP3317311B2 (en) * 1993-06-24 2002-08-26 石川島播磨重工業株式会社 Roll for roll shift type rolling mill and rolling mill using the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005023444A3 (en) * 2003-09-04 2006-01-26 Sms Demag Ag Method and device for applying an adjustable tensile-stress distribution, in particular in the edge regions of cold-rolled metal strips
DE102006051728A1 (en) * 2006-10-30 2008-05-08 Thyssenkrupp Nirosta Gmbh Method and rolling of metal strips, in particular steel strips
DE102006051728B4 (en) * 2006-10-30 2013-11-21 Outokumpu Nirosta Gmbh Method for rolling metal strips, in particular steel strips
US8627702B2 (en) 2006-10-30 2014-01-14 Outokumu Nirosta GmbH Method for rolling metal strips, particularly steel strips

Also Published As

Publication number Publication date
KR100323469B1 (en) 2002-06-24
DE4409299A1 (en) 1995-09-21
KR950031263A (en) 1995-12-18
EP0672471A1 (en) 1995-09-20
US5697244A (en) 1997-12-16
FI951228A0 (en) 1995-03-16
FI109771B (en) 2002-10-15
FI951228L (en) 1995-09-19
JPH0839120A (en) 1996-02-13
ATE187368T1 (en) 1999-12-15
ES2140572T3 (en) 2000-03-01
DE59507356D1 (en) 2000-01-13
TW284714B (en) 1996-09-01

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