EP3271092A1 - Verfahren zum herstellen von metallbändern - Google Patents
Verfahren zum herstellen von metallbändernInfo
- Publication number
- EP3271092A1 EP3271092A1 EP16709931.6A EP16709931A EP3271092A1 EP 3271092 A1 EP3271092 A1 EP 3271092A1 EP 16709931 A EP16709931 A EP 16709931A EP 3271092 A1 EP3271092 A1 EP 3271092A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile
- adaptation
- contour
- values
- metal strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/02—Profile, e.g. of plate, hot strip, sections
Definitions
- reference position bi preferably designates a subsection of the general positions m in the widthwise direction of the metal strip While defining normal band width positions by their respective widthwise distance from the center of the metal band, reference positions are determined by a predetermined distance from the band edge or natural edge of the metal band
- values for the profile contour are typically specified, eg as C25, C40 or C100 values
- the reference positions are preferably the same for different bandwidths or for all metal bands, depending on whether the C ... values are target values, forecast values or adaptation values a mathematical / physical model for the simulation of a rolling process. In particular, it is suitable to calculate prognosis values and profile contours for the metal strip as well as the setting values of profile actuators.
- the process model is also referred to as "Profile Contour and Flatness Control" PCFC.
- the respective future to be rolled band is thus generally designated for the corresponding preset calculation each n + x.
- the previously calculated adaptation values are used here.
- the determined short-term adaptation value, the determined long-term adaptation value or the determined sum adaptation value can be used in the calculation for presetting the profile actuators either to 100% or only to a desired part.
- the desired proportion can be selected depending on freely definable boundary conditions.
- z. B. 33 or 50% the adaptation effect is attenuated or smoothed.
- the change of short-term adaptation values from band to band may be limited by a maximum value, e.g. B. 10 ⁇ be limited in order not to weight any individual measurement errors too high.
- the short term adaptation value may be furnace dependent or dependent on other process variables.
- the Kurzzeitadaptionswert usually refers to the profile differences of the last band n. In exceptional cases, z. B. the Profile difference be related to the penultimate band. Then n corresponds to the band n-1 or generally nx.
- the adaptation contour can also be determined without further determination by an interpolation function; In this case, the adaptation contour simply exists in the adjacent sequence the plurality of adaptation values.
- the maximum number I of bandwidth positions, in particular reference positions is less than 10.
- the said at least one starting function or approximation function or interpolation function for connecting individual adaptation or profile contour values or the said extrapolation function can be formed from a linear function, a polynomial function of any order, an exponential function, a trigonometric function, a spline function or a combination of different functions.
- the starting functions or interpolation functions can also be different for different width sections of the metal strip.
- the measured actual value of the profile contour of the metal strip at the reference position bi it is also possible to use an average of measured actual values at the mirror-image reference positions bi on the right and left half of the metal strip, as viewed in the rolling direction.
- the imaginary plane also called the width plane, acts as a mirror plane at half the width or width of the metal strip, which extends in the longitudinal direction of the metal strip.
- Figure 5 shows the setting of the profile contour of the metal strip by
- the parameter m is also used as an indication of the entire contour or total number of contour calculation points, in contrast to the parameter bi, which are regularly understood only as an indication of discrete values (reference positions) should.
- the distances of these reference positions bi from the band edge are the same in FIGS. 2.1 and 2.2 and 2.3 for the different bandwidths n and n + 1.
- Cp (n + 1) m 0 A is a calculated or predicted profile contour of ⁇ + 1 'th
- FIG. 3 shows an application example for the use of the contour adaptation according to the invention for reducing or avoiding unwanted beads in the edge region of a metal strip.
- the reduction of the beads is effected by a specific increase of a value for the profile contour at a reference position, in FIG. 3 the position C40, d. H. 40 mm away from the natural edge of the metal strip.
- the profile adaptation according to the invention provides an improved calculation result for determining a more accurate profile contour and opens up new possibilities for improving the profile contour, here in particular for reducing the bead height. If, for example, an edge bead height W1 is calculated for the metal strip according to FIG. 3, which is higher than a threshold value for an allowable bead height, then the process model within the scope of predetermined permissible limits z. B.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015204700 | 2015-03-16 | ||
| PCT/EP2016/055525 WO2016146621A1 (de) | 2015-03-16 | 2016-03-15 | Verfahren zum herstellen von metallbändern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3271092A1 true EP3271092A1 (de) | 2018-01-24 |
| EP3271092B1 EP3271092B1 (de) | 2019-06-19 |
Family
ID=55527922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16709931.6A Active EP3271092B1 (de) | 2015-03-16 | 2016-03-15 | Verfahren zum herstellen von metallbändern |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10625317B2 (de) |
| EP (1) | EP3271092B1 (de) |
| JP (1) | JP6704925B2 (de) |
| KR (1) | KR102122217B1 (de) |
| CN (1) | CN107530748B (de) |
| RU (1) | RU2690580C2 (de) |
| TW (1) | TWI627001B (de) |
| WO (1) | WO2016146621A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3479916A1 (de) | 2017-11-06 | 2019-05-08 | Primetals Technologies Germany GmbH | Gezielte einstellung der kontur durch entsprechende vorgaben |
| DE102018212074A1 (de) * | 2018-07-19 | 2020-01-23 | Sms Group Gmbh | Verfahren zum Ermitteln von Stellgrößen für aktive Profil- und Planheitsstellglieder für ein Walzgerüst und von Profil- und Mittenplanheitswerten für warmgewalztes Metallband |
| CN109871590B (zh) * | 2019-01-23 | 2020-11-06 | 燕山大学 | 一种热轧带材断面轮廓复现方法 |
| 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 |
| CN110434172B (zh) * | 2019-07-16 | 2020-05-08 | 北京科技大学 | 一种炉卷和精轧机组连轧的负荷分配计算方法 |
| EP3943210A1 (de) * | 2020-07-23 | 2022-01-26 | Primetals Technologies Austria GmbH | Giess-walz-verbundanlage zur herstellung eines warmgewalzten fertigbands aus einer stahlschmelze |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070887A (en) * | 1976-11-01 | 1978-01-31 | Tube Machinery Corporation | Roll former for tube mill |
| DE69121789T2 (de) * | 1990-06-04 | 1997-04-03 | Hitachi Ltd | Steuerungsvorrichtung für die Steuerung einer gesteuerten Anlage und Steuerungsverfahren dafür |
| US5768927A (en) * | 1991-03-29 | 1998-06-23 | Hitachi Ltd. | Rolling mill, hot rolling system, rolling method and rolling mill revamping method |
| WO1993000181A1 (de) | 1991-06-28 | 1993-01-07 | Siemens Aktiengesellschaft | Regelung bei dem herstellen von warmband mittels eines mehrgerüstigen warmbandwalzwerks |
| SE9202982D0 (sv) * | 1992-10-12 | 1992-10-12 | Anders Sjoeberg | Plaatklippning |
| DE4309986A1 (de) * | 1993-03-29 | 1994-10-06 | Schloemann Siemag Ag | Verfahren und Vorrichtung zum Walzen eines Walzbandes |
| GB9411820D0 (en) | 1994-06-13 | 1994-08-03 | Davy Mckee Poole | Strip profile control |
| US5927117A (en) * | 1996-10-11 | 1999-07-27 | Central Iron & Steel Research Institute Ministry Metallurgical Industry | Methods to measure and control strip shape in rolling |
| DE19654068A1 (de) * | 1996-12-23 | 1998-06-25 | Schloemann Siemag Ag | Verfahren und Vorrichtung zum Walzen eines Walzbandes |
| JP3607029B2 (ja) * | 1997-01-16 | 2005-01-05 | 東芝三菱電機産業システム株式会社 | 圧延機の制御方法及び制御装置 |
| JPH10328719A (ja) * | 1997-05-29 | 1998-12-15 | Kawasaki Steel Corp | 板材の圧延方法 |
| DE19851554C2 (de) * | 1998-11-09 | 2001-02-01 | Siemens Ag | Verfahren und Einrichtung zur Voreinstellung einer Walzstraße |
| WO2002038305A1 (de) * | 2000-11-11 | 2002-05-16 | Firma Carl Wezel | Verfahren zum herstellen eines bandförmigen vormaterials, insbesondere aus metall, welches in aufeinanderfolgenden abschnitten profiliert ist, und eine vorrichtung dafür |
| DE10116273A1 (de) * | 2001-03-31 | 2002-10-10 | Sms Demag Ag | Verfahren zum Betreiben einer Walzstraße sowie eine entsprechend ausgebildete Walzstraße |
| JP2005527378A (ja) | 2002-03-15 | 2005-09-15 | シーメンス アクチエンゲゼルシヤフト | プロフィルおよび平坦度の操作要素に対する目標値のためのコンピュータ支援決定方法 |
| JP3719226B2 (ja) * | 2002-03-26 | 2005-11-24 | Jfeスチール株式会社 | 板プロフィルの良好な金属板の製造方法 |
| JP3649208B2 (ja) * | 2002-05-22 | 2005-05-18 | 株式会社日立製作所 | タンデム圧延設備の制御方法及びタンデム圧延設備 |
| DE502004004331D1 (de) * | 2003-05-30 | 2007-08-30 | Siemens Ag | Steuerrechner und rechnergestütztes Ermittlungsverfahren für eine Profil- und Planheitssteuerung für eine Walzstrasse |
| US7185519B2 (en) * | 2003-09-15 | 2007-03-06 | The Bradbury Company, Inc. | Methods and apparatus for monitoring and conditioning strip material |
| DE102004020132A1 (de) * | 2003-12-23 | 2005-07-28 | Sms Demag Ag | Verfahren und Walzgerüst zur mehrfachen Profilbeeinflussung |
| CA2620772A1 (en) * | 2005-08-29 | 2007-03-08 | Gcg Holdings Ltd | Eccentric rotary stamping apparatus and method of forming moving sheet metal |
| CN101648216B (zh) * | 2009-09-11 | 2011-09-21 | 燕山大学 | 一种pc轧机板形板凸度离线预报设定方法 |
-
2016
- 2016-03-15 US US15/558,020 patent/US10625317B2/en active Active
- 2016-03-15 EP EP16709931.6A patent/EP3271092B1/de active Active
- 2016-03-15 CN CN201680022844.3A patent/CN107530748B/zh active Active
- 2016-03-15 WO PCT/EP2016/055525 patent/WO2016146621A1/de not_active Ceased
- 2016-03-15 KR KR1020177025469A patent/KR102122217B1/ko active Active
- 2016-03-15 RU RU2017129842A patent/RU2690580C2/ru active
- 2016-03-15 JP JP2017548922A patent/JP6704925B2/ja active Active
- 2016-03-16 TW TW105108066A patent/TWI627001B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170117147A (ko) | 2017-10-20 |
| JP2018511483A (ja) | 2018-04-26 |
| US10625317B2 (en) | 2020-04-21 |
| TW201641171A (zh) | 2016-12-01 |
| CN107530748B (zh) | 2019-11-05 |
| TWI627001B (zh) | 2018-06-21 |
| RU2690580C2 (ru) | 2019-06-04 |
| RU2017129842A (ru) | 2019-04-16 |
| EP3271092B1 (de) | 2019-06-19 |
| US20180056349A1 (en) | 2018-03-01 |
| JP6704925B2 (ja) | 2020-06-03 |
| WO2016146621A1 (de) | 2016-09-22 |
| KR102122217B1 (ko) | 2020-06-12 |
| CN107530748A (zh) | 2018-01-02 |
| RU2017129842A3 (de) | 2019-04-16 |
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