EP2026915B1 - Rolling stand for producing rolled strip or sheet - Google Patents
Rolling stand for producing rolled strip or sheet Download PDFInfo
- Publication number
- EP2026915B1 EP2026915B1 EP07725994A EP07725994A EP2026915B1 EP 2026915 B1 EP2026915 B1 EP 2026915B1 EP 07725994 A EP07725994 A EP 07725994A EP 07725994 A EP07725994 A EP 07725994A EP 2026915 B1 EP2026915 B1 EP 2026915B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contour
- rolls
- function
- bale
- barrel
- 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.)
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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
- 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
- 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
- B21B2013/028—Sixto, six-high stands
-
- 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
- B21B27/021—Rolls for sheets or strips
- B21B2027/022—Rolls having tapered ends
-
- 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
- B21B27/021—Rolls for sheets or strips
Definitions
- the invention relates to a rolling stand for the production of rolled strip or sheet metal with work rolls, which are supported on backup rolls or intermediate rolls and backup rolls, wherein at least one of these rolls has a running over the entire effective bale length, describable by a non-linear function bale contour and the bale contour of this at least one Roller has bevels in at least one of the edge regions of their longitudinal extent and forms a corrected bale contours in these edge regions.
- a rolling mill of this kind is for example from the AT 410765 B already known.
- the roll bale contour of these rollers known in the art under the name SmartCrown® is mathematically describable by a modified sine function. By a suitable choice of the contour parameters, this results in a cosinusoidal idling gap, which can be influenced in its amplitude by axial displacement of the rollers.
- the rolls of rolling mills can also have many other bale contours, which are characterized, for example, by a cylindrical, bulbous, concave-convexly curved or another curved contour.
- bale ends of the rolls are usually chamfered and thus have an exemption in these edge regions. Exemptions of this kind are from the EP 0 258 482 A1 or the EP 1 228 818 A2 already known.
- a two-stage regrind of the bale contour on work rolls in a quarto scaffolding or on intermediate rolls on a sexto scaffold is known.
- a first regrind occurs in the direction of the end of the bale using a circular arc function, with exactly the same problems occurring in the transition region of the central bale contour into the regrind contour, as described above with respect to the older state of the art.
- the first regrind is followed by a second regrind, which extends to the end of the bale and realizes a cylindrical bale contour.
- the object of the present invention is therefore to avoid the above-described disadvantages of the prior art and to propose a rolling stand in which inhomogeneities in the load distribution along the contact line of the support rollers and their Minimize adjacent rollers and in particular local load peaks in the load distribution curve, especially in the edge area, reduce and thus increase the service life of the rollers and the necessary regrinding intervals.
- the corrected bale contour is obtained by subtracting any nonlinear mathematical chamfering function from the contour function described by the nonlinear function, wherein the slope of the bale contour and the slope of the corrected bale contour in the transition point of the Bale contour to the corrected bale contour are the same.
- an exemption is achieved at the opposing bale contours of adjacent rollers along a defined chamfering length.
- the back-up rolls in a quarto scaffold and the back-up rolls or the intermediate rolls in a sexto-scaffolding are equipped with a corrected bale contour.
- FIGS. 1 to 4 The load distribution between back-up rolls and work rolls in a prior art roll bale contour is contrasted with the load distribution between back-up rolls and work rolls in a roll bale contour according to the invention using the example of a four-high stand.
- FIG. 1 shows a schematic representation of the roller assembly in a four-high stand for rolling a metal strip B, in particular a steel strip with work rolls 1 and back-up rolls 2.
- the axially displaceable work rolls 1 each have a writeable by a concave-convex function function bale contour 3.
- the work rolls 1 are supported by support rollers 2, which have a cylindrical bale contour 4 and are supported on the work rolls acting rolling forces.
- the load distribution between the upper work roll 1 and the upper support roll 2 is in this case the roll bale design in FIG. 2 shown, with the specific force between the rollers is applied over the bale length and on the one hand
- FIG. 3 shows a schematic representation of the roller assembly in a four-high stand with work rolls 1 and back-up rollers 2.
- the axially displaceable work rolls 1 in turn each have a writable by a non-linear function bale contour 3, which complement complement bale contours in a certain relative axial position of the work rolls complementary .
- the two support rollers 2 also have a complementary complementary bale contour 4, which is also formed by a non-linear function, with the bale contours of the adjacent, cooperating work roll 1 and support roller 2 completely complement each other in an unloaded state.
- the load distribution between the upper work roll 1 and the upper support roll 2 is in this case the roll bale design in FIG.
- FIG. 5 shows in a schematic arrangement, the roller assembly in a SextoGerüst with work rolls 1, intermediate rolls 5 and back-up rolls 2, wherein the work rolls are supported on the intermediate rolls on the support rollers.
- the work rolls 1 are equipped with a cylindrical bale contour 3.
- the bale contour of the work rolls can also be oriented to the bale contour of the adjacent intermediate rolls.
- the intermediate rollers 5 have a bale contour 6 that can be described by a non-linear function.
- the support rollers 2 have a bale contour 4 that can be described by a sine function.
- bale contours 4 of the support rollers 2 and the bale contour of the intermediate rollers 5 complement each other completely in the unshifted axial position of the axially adjustable intermediate rollers 5 in the unloaded state.
- FIG. 6 shows work rolls 1 and back-up rolls 2 in a four-high stand in a schematic representation, wherein the basic structure of the bale contours 3, 4 of the Embodiment after FIG. 3 follows. However, the contour is changed, whereby in the unloaded state only a partial or no supplement of the bale contours of the support roller 2 and the immediately adjacent work roll 1 occurs.
- bale contours can also be chosen so that the contoured rolls have a positive or negative crown.
- a sexto scaffold analogous to FIG. 5 possible to choose the contour of the support rollers and the intermediate rollers so that in the unloaded state only a partial complement of the bale contours of the support roller and the immediately adjacent intermediate roller occurs in an unloaded state.
- bale contours invention Anfasungsfuntionen be used to produce corrected bale contours.
- FIG. 7 the course of the roll bale contour 7 of a back-up roll or intermediate roll or work roll over the bale length is shown.
- dash-dotted lines 8, 9 known from the prior art possibilities of chamfering a roller in the end regions are shown to avoid high edge pressures.
- the chamfering according to the dotted line 8 produces a cylindrical end portion and the chamfering corresponding to the dotted line 9 a cone-shaped end portion of the rollers, in both cases a kink 10 in the contour over the bale length occurs, which forms a circumferential edge on the roller.
- An improvement in the loading conditions results from a chamfer gradually approaching the bale contour, whereby on both sides a corrected bale contour is formed, which is illustrated by the dotted lines 11 and 12.
- both curves At the transition point P of the bale contour in the corrected bale contour both curves have the same slope as the tangent t.
- FIG. 8 shows, for example, the convex course of the roll bale contour 7 described by a nonlinear function on a back-up roll in a quarto backbone or on an intermediate roll or back-up roll in a sexto-scaffold.
- the course of the corrected bale contour 11, 12 is illustrated by dotted lines.
- FIG. 9 shows the analogous conditions in a roll bale contour which expresses a negative roll crown on the roll.
Abstract
Description
Die Erfindung betrifft ein Walzgerüst zur Herstellung von Walzband oder Blech mit Arbeitswalzen, die sich an Stützwalzen oder Zwischenwalzen und Stützwalzen abstützen, wobei zumindest eine dieser Walzen eine über die gesamte wirksame Ballenlänge verlaufende, durch eine nichtlineare Funktion beschreibbare Ballenkontur aufweist und die Ballenkontur dieser zumindest einen Walze in mindestens einem der Randbereiche ihrer Längserstreckung Anfasungen aufweist und in diesen Randbereichen eine korrigierte Ballenkonturen bildet.The invention relates to a rolling stand for the production of rolled strip or sheet metal with work rolls, which are supported on backup rolls or intermediate rolls and backup rolls, wherein at least one of these rolls has a running over the entire effective bale length, describable by a non-linear function bale contour and the bale contour of this at least one Roller has bevels in at least one of the edge regions of their longitudinal extent and forms a corrected bale contours in these edge regions.
Bei Quarto-Walzgerüsten oder Sexto-Walzgerüsten gehört es zur gängigen Praxis, zumindest die beiden Arbeitswalzen oder die beiden Zwischenwalzen, vereinzelt aber auch die Stützwalzen, mit einer speziellen Ballenkontur auszustatten und axial wirkende Verstelleinrichtungen für die Arbeitswalzen oder Stützwalzen vorzusehen, um die Walzspaltkontur in Abhängigkeit vom aktuellen Walzbandprofil einstellen zu können.In the case of four-high rolling stands or six-high rolling stands, it is common practice to provide at least the two work rolls or the two intermediate rolls, but also the support rolls, with a special bale contour and provide axially acting adjusting devices for the work rolls or backup rolls, depending on the roll gap contour from the current rolled strip profile.
Ein Walzgerüst dieser Art ist beispielsweise aus der
Bei Einsatz von Arbeitswalzen bzw. Zwischenwalzen mit der aus der
Darüber hinaus kommt es speziell in den Randbereichen der Stützwalzen zu hohen Kantenpressungen im Zusammenwirken mit den benachbarten weiteren Walzen. Um unzulässig hohe Kantenpressungen zwischen Arbeitswalzen und Stützwalzen oder zwischen Arbeitswalzen und Zwischenwalzen bzw. Zwischenwalzen und Stützwalzen zu vermeiden, sind Ballenenden der Walzen üblicherweise angefast und weisen in diesen Randbereichen somit eine Freistellung auf. Freistellungen dieser Art sind aus der
Aus der
Aufgabe der vorliegenden Erfindung ist es daher, die zuvor beschriebenen Nachteile des Standes der Technik zu vermeiden und ein Walzgerüst vorzuschlagen, bei dem Inhomogenitäten in der Lastverteilung entlang der Kontaktlinie der Stützwalzen und ihrer Nachbarwalzen zu minimieren und insbesondere örtliche Belastungsspitzen im Lastverteilungsverlauf, speziell im Kantenbereich, abzubauen und damit die Einsatzdauer der Walzen und die notwendigen Nachschleifintervalle zu vergrößern.The object of the present invention is therefore to avoid the above-described disadvantages of the prior art and to propose a rolling stand in which inhomogeneities in the load distribution along the contact line of the support rollers and their Minimize adjacent rollers and in particular local load peaks in the load distribution curve, especially in the edge area, reduce and thus increase the service life of the rollers and the necessary regrinding intervals.
Diese Aufgabe wird bei einem Walzgerüst der eingangs beschriebenen Art dadurch gelöst, dass die korrigierte Ballenkontur sich durch Subtraktion einer beliebigen nichtlinearen mathematischen Anfasungsfunktion von der durch die nichtlineare Funktion beschriebene Konturfunktion ergibt, wobei die Steigung der Ballenkontur und die Steigung der korrigierten Ballenkontur im Übergangspunkt von der Ballenkontur zur korrigierten Ballenkontur gleich sind. Dadurch wird eine Freistellung an den einander gegenüberliegenden Ballenkonturen benachbarter Walzen entlang einer definierten Anfasungslänge erreicht.This object is achieved in a rolling stand of the type described above in that the corrected bale contour is obtained by subtracting any nonlinear mathematical chamfering function from the contour function described by the nonlinear function, wherein the slope of the bale contour and the slope of the corrected bale contour in the transition point of the Bale contour to the corrected bale contour are the same. As a result, an exemption is achieved at the opposing bale contours of adjacent rollers along a defined chamfering length.
Sehr gute Ergebnisse hinsichtlich einer Minimierung und Vergleichmäßigung der Lastverteilung werden erzielt, wenn die Anfasungsfunktion von einer Kreisfunktion gebildet ist. Von grundsätzlicher Bedeutung ist hierbei, dass die Steigung der Ballenkontur und die Steigung der korrigierten Ballenkontur im Übergangspunkt von der Ballenkontur zur korrigierten Ballenkontur gleich sind. Ähnlich gute Ergebnisse werden auch erzielt, wenn die Anfasungsfunktion von einer Sinusfunktion oder einer Funktion 2. Ordnung, beispielsweise einer parabolischen Funktion gebildet ist.Very good results in terms of minimization and equalization of the load distribution are achieved when the chamfering function is formed by a circular function. Of fundamental importance here is that the slope of the bale contour and the slope of the corrected bale contour in the transition point from the bale contour to the corrected bale contour are the same. Similarly good results are achieved if the chamfering function is formed by a sine function or a second-order function, for example a parabolic function.
Zweckmäßig sind die Stützwalzen in einem Quartogerüst und die Stützwalzen oder die Zwischenwalzen in einem Sextogerüst mit einer korrigierten Ballenkontur ausgestattet.Suitably, the back-up rolls in a quarto scaffold and the back-up rolls or the intermediate rolls in a sexto-scaffolding are equipped with a corrected bale contour.
Weitere Vorteile und Merkmale der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung nicht einschränkender Ausführungsbeispiele, wobei auf die beiliegenden Figuren Bezug genommen wird, die Folgendes zeigen:
- Fig. 1
- die schematische Darstellung eines Quarto-Gerüstes mit konturierten Arbeitswalzen und zylindrischen Stützwalzen gemäß dem Stand der Technik,
- Fig. 2
- die typische Lastverteilung zwischen Arbeitswalzen und Stützwalzen in einem Quarto-Gerüst gemäß
,Figur 1 - Fig. 3
- die schematische Darstellung eines Quarto-Gerüstes mit konturierten Arbeitswalzen und komplementären Stützwalzen.
- Fig. 4
- die typische Lastverteilung zwischen Arbeitswalzen und Stützwalzen in einem Quarto-Gerüst mit der Walzenausbildung gemäß
,Figur 3 - Fig. 5
- die schematische Darstellung eines Sexto-Gerüstes mit konturierten Stützwalzen und komplementären Zwischenwalzen gemäß der Erfindung,
- Fig. 6
- die schematische Darstellung eines Quarto-Gerüstes mit konturierten Arbeitswalzen und komplementären Stützwalzen gemäß der Erfindung , bei der sich die Ballenkonturen nicht mehr vollständig ergänzen,
- Fig. 7
- die erfindungsgemäße Kontur der oberen Stützwalze unter Berücksichtigung einer kreisförmigen Anfasungsfunktion im Vergleich mit Ballenkonturen gemäß dem Stand der Technik,
- Fig. 8
- eine konturierte Walze mit positiver Walzenballigkeit und einer erfindungsgemäßen Anfasung,
- Fig. 9
- eine konturierte Walze mit negativer Walzenballigkeit und einer erfindungsgemäßen Anfasung,
- Fig. 10
- die Darstellung einer möglichen erfindungsgemäßen Anfasungsfunktion.
- Fig. 1
- 1 is a schematic representation of a quarto stand with contoured work rolls and cylindrical support rolls according to the prior art;
- Fig. 2
- the typical load distribution between work rolls and back-up rolls in a four-high stand according to
FIG. 1 . - Fig. 3
- the schematic representation of a four-high stand with contoured work rolls and complementary support rollers.
- Fig. 4
- the typical load distribution between work rolls and back-up rolls in a quarto stand with the roll formation according to
FIG. 3 . - Fig. 5
- the schematic representation of a six-high stand with contoured backup rolls and complementary intermediate rolls according to the invention,
- Fig. 6
- the schematic representation of a four-high stand with contoured work rolls and complementary support rollers according to the invention, in which the bale contours no longer complete,
- Fig. 7
- the contour according to the invention of the upper support roller, taking into account a circular chamfering function in comparison with bale contours according to the prior art,
- Fig. 8
- a contoured roll with positive roll crown and a chamfer according to the invention,
- Fig. 9
- a contoured roll with negative roll crown and a chamfer according to the invention,
- Fig. 10
- the representation of a possible Anfasungsfunktion invention.
In den
Belastungsspitzen im Kantenbereich hervortreten und andererseits Maximal- und Minimalwerte entsprechend dem konvex-konkaven Konturverlauf auftreten. Für vier ausgewählte Werte der maximalen relativen Axialverschiebung (Verschiebehub) der Arbeitswalzen zueinander sind Lastverteilungskurven dargestellt, denen bereits eine Anfasungsfunktion gemäß dem Stand der Technik zugrunde gelegt ist.Stress peaks in the edge region emerge and on the other hand maximum and minimum values corresponding to the convex-concave contour curve occur. For four selected values of the maximum relative axial displacement (displacement stroke) of the work rolls relative to one another, load distribution curves are illustrated which are already based on a chamfering function according to the prior art.
Die Ballenkonturen 4 der Stützwalzen 2 und die Ballenkontur der Zwischenwalzen 5 ergänzen sich in der unverschobenen Axialstellung der axial verstellbaren Zwischenwalzen 5 im unbelasteten Zustand vollständig.The
Im Fall, dass keine Ergänzung der Ballenkonturen vorgesehen ist, können die Ballenkonturen auch so gewählt werden, dass die die konturierten Walzen eine positive oder negative Balligkeit aufweisen.In the event that no complement of the bale contours is provided, the bale contours can also be chosen so that the contoured rolls have a positive or negative crown.
Nach einer nicht dargestellten Ausführungsform ist es gleichermaßen bei einem SextoGerüst analog der
Insgesamt können auch bei den in den
In
- x
- die Koordinate in Walzenaxialrichtung
- XS
- die Anfasungsstartposition
- LC
- die Anfasungslänge
- RC
- den Fasenradius
- AC
- die Anfasungsamplitude bezogen auf den Walzenradius
- x
- the coordinate in roll axial direction
- X S
- the chamfer start position
- L C
- the chamfering length
- R C
- the chamfer radius
- A C
- the chamfer amplitude relative to the roller radius
Claims (5)
- Rolling mill stand for the production of rolled strip or sheet metal (B), with working rolls (1) which are supported on supporting rolls (2) or intermediate rolls (5) and supporting rolls (2), at least one of these rolls having a barrel contour (3,4,6) which runs over the entire effective barrel length and can be described by a non-linear function, and the barrel contour of this at least one roll having chamfers (8,9) in at least one of the marginal regions of its longitudinal extent and forming a corrected barrel contour (11,12) in these marginal regions, characterized in that the corrected barrel contour (11,12) is obtained by subtracting any non-linear mathematical chamfer function from the contour function described by the non-linear function, the pitch of the barrel contour (8,9) and the pitch of the corrected barrel contour (11,12) at the transition point (P) from the barrel contour to the corrected barrel contour being identical.
- Rolling mill stand according to Claim 1, characterized in that the chamfer function is a trigonometric function.
- Rolling mill stand according to Claim 1, characterized in that the chamfer function is a sine function.
- Rolling mill stand according to Claim 1, characterized in that the chamfer function is a second order function.
- Rolling mill stand according to one of the preceding claims, characterized in that the supporting rolls (2) in a four-high stand and the supporting rolls (2) and/or intermediate rolls (5) in a six-high stand are provided with a corrected barrel contour.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200730509T SI2026915T2 (en) | 2006-06-14 | 2007-06-13 | Rolling stand for producing rolled strip or sheet |
PL07725994T PL2026915T5 (en) | 2006-06-14 | 2007-06-13 | Rolling stand for producing rolled strip or sheet |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT10212006 | 2006-06-14 | ||
PCT/EP2007/005217 WO2007144161A1 (en) | 2006-06-14 | 2007-06-13 | Rolling stand for producing rolled strip or sheet |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2026915A1 EP2026915A1 (en) | 2009-02-25 |
EP2026915B1 true EP2026915B1 (en) | 2010-11-17 |
EP2026915B2 EP2026915B2 (en) | 2017-09-27 |
Family
ID=38430512
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07725994.3A Active EP2026915B2 (en) | 2006-06-14 | 2007-06-13 | Rolling stand for producing rolled strip or sheet |
EP07725995A Active EP2026916B1 (en) | 2006-06-14 | 2007-06-13 | Rolling stand for producing rolled strip or sheet |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07725995A Active EP2026916B1 (en) | 2006-06-14 | 2007-06-13 | Rolling stand for producing rolled strip or sheet |
Country Status (12)
Country | Link |
---|---|
US (2) | US8881569B2 (en) |
EP (2) | EP2026915B2 (en) |
CN (2) | CN101511498B (en) |
AT (1) | ATE488309T1 (en) |
BR (2) | BRPI0713145A2 (en) |
DE (1) | DE502007005682D1 (en) |
ES (2) | ES2392357T3 (en) |
PL (2) | PL2026915T5 (en) |
RU (2) | RU2442669C2 (en) |
SI (2) | SI2026915T2 (en) |
UA (2) | UA92946C2 (en) |
WO (2) | WO2007144161A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102016222987A1 (en) | 2016-11-22 | 2018-05-24 | Sms Group Gmbh | Method of grinding the contour of the bale of a roll |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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SI2026915T2 (en) | 2006-06-14 | 2018-01-31 | Primetals Technologies Austria GmbH | Rolling stand for producing rolled strip or sheet |
DE102009021414A1 (en) * | 2008-12-17 | 2010-07-01 | Sms Siemag Aktiengesellschaft | Roll stand for rolling a particular metallic Guts |
DE102010014867A1 (en) * | 2009-04-17 | 2010-11-18 | Sms Siemag Ag | Method for providing at least one work roll for rolling a rolling stock |
AT509107B1 (en) * | 2009-12-10 | 2011-09-15 | Siemens Vai Metals Tech Gmbh | ROLLING MILL FOR THE PRODUCTION OF ROLLING BAND |
US9021706B2 (en) * | 2010-02-01 | 2015-05-05 | The Timken Company | Unified rolling and bending process for roller bearing cages |
DE102010029598A1 (en) * | 2010-06-01 | 2011-12-01 | ACHENBACH BUSCHHüTTEN GMBH | Back-up roll and thus equipped roll stand |
CN102397874A (en) * | 2010-09-16 | 2012-04-04 | 鞍钢股份有限公司 | Method for prolonging service life of high-speed steel roller |
DE102012212532B4 (en) | 2012-07-18 | 2016-12-15 | Achenbach Buschhütten GmbH & Co. KG | Roll stand with contoured rolls |
US10226188B2 (en) | 2013-08-23 | 2019-03-12 | Covidien Lp | Systems and methods for monitoring blood pressure |
EP3108978B1 (en) * | 2015-06-26 | 2019-02-20 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Rolling stand and rolling method |
EP3124130A1 (en) | 2015-07-28 | 2017-02-01 | Primetals Technologies Austria GmbH | Roller grinder for targeted prevention of quarter waves |
CN113319128B (en) * | 2021-06-15 | 2021-12-14 | 北京科技大学 | Variable contact working roll and roll shape design method thereof |
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- 2007-06-13 SI SI200730509T patent/SI2026915T2/en unknown
- 2007-06-13 WO PCT/EP2007/005217 patent/WO2007144161A1/en active Application Filing
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- 2007-06-13 ES ES07725994.3T patent/ES2355948T5/en active Active
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- 2007-06-13 WO PCT/EP2007/005218 patent/WO2007144162A1/en active Application Filing
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- 2007-06-13 RU RU2009100918/02A patent/RU2442669C2/en active
- 2007-06-13 US US12/304,952 patent/US8881569B2/en not_active Expired - Fee Related
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- 2007-06-13 AT AT07725994T patent/ATE488309T1/en active
- 2007-06-13 RU RU2009100920/02A patent/RU2428268C2/en active
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Cited By (4)
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DE102016222987A1 (en) | 2016-11-22 | 2018-05-24 | Sms Group Gmbh | Method of grinding the contour of the bale of a roll |
WO2018095655A1 (en) | 2016-11-22 | 2018-05-31 | Sms Group Gmbh | Method for grinding the contour of the body of a roll |
CN109996650A (en) * | 2016-11-22 | 2019-07-09 | Sms集团有限公司 | Method for being ground the profile of the body of roll of roller |
CN109996650B (en) * | 2016-11-22 | 2021-08-10 | Sms集团有限公司 | Method for grinding the contour of a roll body of a roll |
Also Published As
Publication number | Publication date |
---|---|
SI2026915T2 (en) | 2018-01-31 |
UA92946C2 (en) | 2010-12-27 |
UA93090C2 (en) | 2011-01-10 |
ES2355948T5 (en) | 2018-02-14 |
PL2026916T3 (en) | 2012-12-31 |
RU2009100918A (en) | 2010-07-20 |
US20100031724A1 (en) | 2010-02-11 |
EP2026915B2 (en) | 2017-09-27 |
US8413476B2 (en) | 2013-04-09 |
EP2026916B1 (en) | 2012-08-01 |
BRPI0713145A2 (en) | 2012-03-20 |
RU2442669C2 (en) | 2012-02-20 |
EP2026916A1 (en) | 2009-02-25 |
CN101466483A (en) | 2009-06-24 |
CN101511498A (en) | 2009-08-19 |
US20090314047A1 (en) | 2009-12-24 |
EP2026915A1 (en) | 2009-02-25 |
RU2009100920A (en) | 2010-07-20 |
US8881569B2 (en) | 2014-11-11 |
ES2355948T3 (en) | 2011-04-01 |
CN101511498B (en) | 2011-06-15 |
WO2007144162A1 (en) | 2007-12-21 |
DE502007005682D1 (en) | 2010-12-30 |
CN101466483B (en) | 2011-06-15 |
SI2026915T1 (en) | 2011-03-31 |
RU2428268C2 (en) | 2011-09-10 |
BRPI0713147A2 (en) | 2012-03-20 |
SI2026916T1 (en) | 2012-11-30 |
WO2007144161A1 (en) | 2007-12-21 |
ATE488309T1 (en) | 2010-12-15 |
ES2392357T3 (en) | 2012-12-10 |
PL2026915T3 (en) | 2011-04-29 |
PL2026915T5 (en) | 2018-08-31 |
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