EP2026916A1 - Cage de laminoir pour la fabrication de bande laminée ou de tôle - Google Patents

Cage de laminoir pour la fabrication de bande laminée ou de tôle

Info

Publication number: EP2026916A1
Authority: EP; European Patent Office
Prior art keywords: rolls; contour; bale; function; roll
Prior art date: 2006-06-14
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

EP07725995A

Other languages

German (de)

English (en)

Other versions

EP2026916B1 (fr

Inventor

Alois Seilinger

Markus Widder

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 and Co

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.)

2006-06-14

Filing date

2007-06-13

Publication date

2009-02-25

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38430512&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2026916(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2007-06-13 Application filed by Siemens VAI Metals Technologies GmbH and Co, Siemens VAI Metals Technologies GmbH Austria filed Critical Siemens VAI Metals Technologies GmbH and Co

2007-06-13 Priority to PL07725995T priority Critical patent/PL2026916T3/pl

2007-06-13 Priority to SI200731046T priority patent/SI2026916T1/sl

2009-02-25 Publication of EP2026916A1 publication Critical patent/EP2026916A1/fr

2012-08-01 Application granted granted Critical

2012-08-01 Publication of EP2026916B1 publication Critical patent/EP2026916B1/fr

Status Active legal-status Critical Current

2027-06-13 Anticipated expiration legal-status Critical

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

Roll mill for the production of rolled strip or sheet metal
the invention relates to a rolling stand for the production of rolled strip or sheet metal with work rolls, which are supported on support rolls or intermediate rolls and backup rolls, wherein the work rolls and / or intermediate rolls are arranged axially displaceable against each other in the rolling stand and each working and / or intermediate roll over the entire having effective bale length, curved, describable by a trigonometric function bale contour and complement these two bale contours complementary only in a certain relative axial position of the rollers of the roller pair in the unloaded state.
a roll stand of the generic type is already known from AT 410765 B.
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 object of the present invention is therefore to avoid the disadvantages of the prior art described above and to propose a rolling stand, in which to minimize inhomogeneities in the load distribution along the line of contact of the support rollers and their adjacent rollers, and in particular to reduce local load peaks in the load distribution curve and thus the duration of use To increase the rollers and the necessary regrinding intervals.
This object is achieved in a rolling stand of the type described above in that the support rollers have a complementary bale contour and in the unloaded state, a partial or complete complement of the bale contours of the support rollers and the immediately adjacent work rolls or intermediate rolls occurs.
this partial or complete complement of the bale contours refers to the two back-up rolls and the respective adjacent work rolls.
this partial or complete complement of the bale contours refers to the two back-up rolls and the respective adjacent intermediate rolls.
the shortest possible displacement stroke of the work rolls is advantageous, since both the displacement time and the plant technology to be provided for sliding guides can be kept short.
a short displacement stroke leads to larger diameter differences over the bale length occurring with a given profile adjustment range of the work rolls than with a longer displacement stroke.
the rolls in the roll stand are aligned according to a possible embodiment of the invention so that a complete complement of the bale contours of the backing rolls and the immediately adjacent work rolls or intermediate rolls occurs in the unshifted state of the immediately adjacent work rolls or intermediate rolls.
R B (X) support roller radius at the point x of the axial support roller extension
R B (x) R 0 + kr B (x) with k contour factor (k ⁇ 1)
the complete complement of the roll bale contours results.
a complete completion of the roll bale contours is no longer possible.
the contour factor may be greater or less than 1.
bale ends of the rolls are usually chamfered and thus have an exemption in these edge regions.
Exemptions of this type are already known from EP 0 258 482 A1 or EP 1 228 818 A2. These exemptions are formed in contoured roll bales in marginal areas with increasing towards the edge bale radius by a cylindrical bale end, as shown in EP 0 258 482 A1 or may be formed in rolls with cylindrical roll bale contour by a cone-shaped edge region, as for example in the EP 1 228 818 A2 is shown and described.
the bale contour of the work rolls or of the intermediate rolls or of the support rolls in at least one of Edge regions of their longitudinal extent chamfers, which form in this border areas corrected bale contours, which result by subtracting any mathematical chamfering function of the contour function, 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.
FIG. 1 is a schematic representation of a four-high stand with contoured work rolls and cylindrical support rolls according to the prior art
FIG. 2 shows the typical load distribution between work rolls and support rolls in a four-high stand according to FIG. 1, FIG.
Fig. 3 is a schematic representation of a four-high stand with contoured work rolls and complementary back-up rolls according to the invention.
FIG. 4 shows the typical load distribution between work rolls and support rolls in a four-high stand with the roll formation according to the invention according to FIG. 3, FIG.
FIG. 5 is a schematic representation of a six-high stand with contoured backup rolls and complementary intermediate rolls according to the invention
Fig. 7 shows the inventive contour of the upper support roller with a circular chamfer compared with a bale contour according to the prior art.
FIGS. 1 to 4 the load distribution between back-up rolls and work rolls in a roll bale contour according to the prior art is compared 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.
the axially displaceable work rolls 1 each have a bale contour 3 that can be described by a modified sine function. These bale contours 3 complement each other in a certain relative axial position of the rolls of the pair of work rolls complementary.
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 shown in Figure 2 for this case of roll barrel design, where the specific force between the rolls is plotted over the bale length and on the one hand load peaks in the edge region and, on the other hand, maximum and minimum values corresponding to the sinusoidal Contouring occur. For four selected values of the maximum relative axial displacement (displacement stroke) of the work rolls relative to each other, load distribution curves are shown.
FIG. 3 shows a schematic representation of the roll arrangement in a four-high stand with work rolls 1 and support rolls 2.
the axially displaceable work rolls 1 each have a bale contour 3 which can be described by a modified sine function, these bale contours being complementary in a specific relative axial position of the work rolls complete.
the two support rollers 2 also have a complementary complementary bale contour 4, which is also formed by a modified sine function, 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 backup roll 2 is shown in FIG. 4 for this case of the roll bale design. Load peaks in the edge area appear differently depending on the axial displacement. Altogether it shows over the rolling ball course at the However, the invention already a basic equalization of the load distribution.
FIG. 5 shows, in a schematic arrangement, the roller arrangement in a six-high stand with work rolls 1, intermediate rolls 5 and support rolls 2, the work rolls being supported on the support rolls via the intermediate rolls.
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 modified sine function.
the support rollers 2 have a bale contour 4 that can be described by a sine function.
the 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. 7 shows the course of the roll bale contour 7 of a back-up roll or intermediate roll or work roll over the length of the bale.
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 result from a chamfer gradually approaching chamfer, resulting in both sides of a corrected bale contour, which is illustrated by the dotted lines 11 and 12.
both curves have the same slope as the tangent t.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Metal Rolling (AREA)
Rolling Contact Bearings (AREA)
Straightening Metal Sheet-Like Bodies (AREA)
Milling Processes (AREA)
Lining Or Joining Of Plastics Or The Like (AREA)
Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Control Of Metal Rolling (AREA)

EP07725995A 2006-06-14 2007-06-13 Cage de laminoir pour la fabrication de bande laminée ou de tôle Active EP2026916B1 (fr)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
PL07725995T PL2026916T3 (pl)	2006-06-14	2007-06-13	Klatka walcownicza do wytwarzania taśmy walcowanej lub blachy
SI200731046T SI2026916T1 (sl)	2006-06-14	2007-06-13	Valjalno ogrodje za izdelavo valjanega traka ali pločevine

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT10212006		2006-06-14
PCT/EP2007/005218 WO2007144162A1 (fr)	2006-06-14	2007-06-13	Cage de laminoir pour la fabrication de bande laminée ou de tôle

Publications (2)

Publication Number	Publication Date
EP2026916A1 true EP2026916A1 (fr)	2009-02-25
EP2026916B1 EP2026916B1 (fr)	2012-08-01

Family

ID=38430512

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP07725995A Active EP2026916B1 (fr)	2006-06-14	2007-06-13	Cage de laminoir pour la fabrication de bande laminée ou de tôle
EP07725994.3A Active EP2026915B2 (fr)	2006-06-14	2007-06-13	Cage de laminoir pour la fabrication de bande laminée ou de tôle

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP07725994.3A Active EP2026915B2 (fr)	2006-06-14	2007-06-13	Cage de laminoir pour la fabrication de bande laminée ou de tôle

Country Status (12)

Country	Link
US (2)	US8881569B2 (fr)
EP (2)	EP2026916B1 (fr)
CN (2)	CN101466483B (fr)
AT (1)	ATE488309T1 (fr)
BR (2)	BRPI0713145A2 (fr)
DE (1)	DE502007005682D1 (fr)
ES (2)	ES2355948T5 (fr)
PL (2)	PL2026916T3 (fr)
RU (2)	RU2442669C2 (fr)
SI (2)	SI2026916T1 (fr)
UA (2)	UA92946C2 (fr)
WO (2)	WO2007144162A1 (fr)

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WO2007144162A1 (fr)	2006-06-14	2007-12-21	Siemens Vai Metals Technologies Gmbh & Co	Cage de laminoir pour la fabrication de bande laminée ou de tôle
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EP3124130A1 (fr)	2015-07-28	2017-02-01	Primetals Technologies Austria GmbH	Meule de cylindre destinee a l'evitement cible de quarts d'onde
DE102016222987A1 (de)	2016-11-22	2018-05-24	Sms Group Gmbh	Verfahren zum Schleifen der Kontur des Ballens einer Walze
IT202100005663A1 (it) *	2021-03-10	2022-09-10	Danieli Off Mecc	Procedimento ed impianto per la produzione di prodotti laminati piani
CN113319128B (zh) *	2021-06-15	2021-12-14	北京科技大学	一种变接触工作辊及其辊形设计方法

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2007
- 2007-06-13 WO PCT/EP2007/005218 patent/WO2007144162A1/fr not_active Ceased
- 2007-06-13 WO PCT/EP2007/005217 patent/WO2007144161A1/fr not_active Ceased
- 2007-06-13 SI SI200731046T patent/SI2026916T1/sl unknown
- 2007-06-13 EP EP07725995A patent/EP2026916B1/fr active Active
- 2007-06-13 CN CN2007800221746A patent/CN101466483B/zh active Active
- 2007-06-13 AT AT07725994T patent/ATE488309T1/de active
- 2007-06-13 EP EP07725994.3A patent/EP2026915B2/fr active Active
- 2007-06-13 PL PL07725995T patent/PL2026916T3/pl unknown
- 2007-06-13 US US12/304,952 patent/US8881569B2/en not_active Expired - Fee Related
- 2007-06-13 BR BRPI0713145-3A patent/BRPI0713145A2/pt not_active IP Right Cessation
- 2007-06-13 RU RU2009100918/02A patent/RU2442669C2/ru active
- 2007-06-13 US US12/304,937 patent/US8413476B2/en not_active Expired - Fee Related
- 2007-06-13 SI SI200730509T patent/SI2026915T2/en unknown
- 2007-06-13 BR BRPI0713147-0A patent/BRPI0713147A2/pt not_active IP Right Cessation
- 2007-06-13 CN CN2007800218283A patent/CN101511498B/zh active Active
- 2007-06-13 PL PL07725994T patent/PL2026915T5/pl unknown
- 2007-06-13 UA UAA200815031A patent/UA92946C2/uk unknown
- 2007-06-13 UA UAA200900146A patent/UA93090C2/uk unknown
- 2007-06-13 RU RU2009100920/02A patent/RU2428268C2/ru active
- 2007-06-13 ES ES07725994.3T patent/ES2355948T5/es active Active
- 2007-06-13 ES ES07725995T patent/ES2392357T3/es active Active
- 2007-06-13 DE DE502007005682T patent/DE502007005682D1/de active Active

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Also Published As

Publication number	Publication date
RU2442669C2 (ru)	2012-02-20
US8413476B2 (en)	2013-04-09
BRPI0713145A2 (pt)	2012-03-20
EP2026916B1 (fr)	2012-08-01
US20100031724A1 (en)	2010-02-11
ES2355948T5 (es)	2018-02-14
UA92946C2 (uk)	2010-12-27
WO2007144162A1 (fr)	2007-12-21
US20090314047A1 (en)	2009-12-24
ES2392357T3 (es)	2012-12-10
US8881569B2 (en)	2014-11-11
ATE488309T1 (de)	2010-12-15
PL2026915T5 (pl)	2018-08-31
SI2026915T2 (en)	2018-01-31
UA93090C2 (uk)	2011-01-10
RU2009100920A (ru)	2010-07-20
PL2026916T3 (pl)	2012-12-31
DE502007005682D1 (de)	2010-12-30
SI2026916T1 (sl)	2012-11-30
CN101466483B (zh)	2011-06-15
CN101511498B (zh)	2011-06-15
RU2009100918A (ru)	2010-07-20
SI2026915T1 (sl)	2011-03-31
EP2026915B1 (fr)	2010-11-17
ES2355948T3 (es)	2011-04-01
EP2026915B2 (fr)	2017-09-27
CN101511498A (zh)	2009-08-19
RU2428268C2 (ru)	2011-09-10
EP2026915A1 (fr)	2009-02-25
WO2007144161A1 (fr)	2007-12-21
PL2026915T3 (pl)	2011-04-29
BRPI0713147A2 (pt)	2012-03-20
CN101466483A (zh)	2009-06-24

Publication	Publication Date	Title
EP2026916B1 (fr)	2012-08-01	Cage de laminoir pour la fabrication de bande laminée ou de tôle
DE3624241C2 (de)	1996-07-11	Verfahren zum Betrieb eines Walzwerkes zur Herstellung eines Walzbandes
EP1789210B1 (fr)	2008-11-05	Cylindre convexe destine a influencer le profil et la planeite d'une bande laminee
EP0876857A2 (fr)	1998-11-11	Procédé pour influencer le profil dans la zone des bords d'une bande laminée
DE10037004B4 (de)	2004-01-15	Walzgerüst für bandkantenorientiertes Verschieben der Zwischenwalzen in einem 6-Walzen-Gerüst
EP1425116B1 (fr)	2015-10-28	Cage de laminoir pour produire une bande laminee
EP2392416B1 (fr)	2012-07-25	Cylindre d'appui et cage de laminoir en étant équipée
EP0899029B1 (fr)	2002-04-03	Cage de laminoir pour le laminage de bandes
EP2419226B1 (fr)	2014-02-26	Procédé de fourniture d'au moins un cylindre de travail pour le laminage d'un produit laminé
EP2509723B1 (fr)	2014-10-15	Cage de laminoir pour fabriquer du ruban de laminage
DE102004020132A1 (de)	2005-07-28	Verfahren und Walzgerüst zur mehrfachen Profilbeeinflussung
EP3328565B1 (fr)	2019-12-11	Meule de cylindre destinee a l'evitement cible de quarts d'onde
EP1761347B1 (fr)	2009-08-26	Procede de laminage de bandes dans une cage de laminoir
DE102005043256A1 (de)	2006-03-16	Konvexwalze zur Beeinflussung von Profil und Planheit eines Walzbandes
DE102023109502B3 (de)	2024-09-19	Verfahren zum Richten eines mit Planheitsfehlern behafteten Metallbands
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