WO2013023903A1 - Verfahren zum betrieb einer konti-glühe für die verarbeitung eines walzguts - Google Patents
Verfahren zum betrieb einer konti-glühe für die verarbeitung eines walzguts Download PDFInfo
- Publication number
- WO2013023903A1 WO2013023903A1 PCT/EP2012/064959 EP2012064959W WO2013023903A1 WO 2013023903 A1 WO2013023903 A1 WO 2013023903A1 EP 2012064959 W EP2012064959 W EP 2012064959W WO 2013023903 A1 WO2013023903 A1 WO 2013023903A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- continuous annealing
- material property
- model
- rolling stock
- control device
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
- H05B6/103—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor
- H05B6/104—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor metal pieces being elongated like wires or bands
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0473—Final recrystallisation annealing
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Definitions
- the invention relates to a method for operating a continuous annealing line for processing a rolling stock, in particular a metallic strip.
- the invention further relates to a computer program, a control device for a continuous annealing and a continuous annealing.
- the strip After hot and cold rolling of a metallic strip, eg of steel, the strip is subjected to a heat treatment in order to set desired material properties in the strip.
- the heat treatment is carried out for example in a so-called continuous annealing ⁇ (English, continuous annealing line).
- continuous annealing the strip is unwound and runs through continu ⁇ ously an oven.
- the aim is to refine the individual strips with as constant a high quality as possible, both within a strip and from strip to strip, with as high a throughput as possible. For who ⁇ the set according to the process parameters during the annealing process for each steel grade.
- the invention has for its object to enable a precise Regi ⁇ ment of an annealing process.
- the object is achieved by a method for operating a continuous annealing for the processing of a rolling stock, in particular a metallic strip, with respect to a model predictive control
- At least one process variable of the continuous annealing process is regulated, as long as the at least one point or the at least one section of the rolling stock is in front of or in the continuous annealing annealing.
- the invention is based on the idea of providing a computer aided model suitable for model predictive control of the continuous annealing process so that the control is based on the simulated results for the material property.
- the computer-aided model models the material properties of the rolling stock after the continuous annealing.
- the model contains in particular one or several adjustable model parameters. Such model parameters include, for example, a rate of grain growth or a phase transformation rate of the metal strip.
- the input variables for the model are properties of the rolling stock, such as its alloying proportions or at least the steel group, its surface roughness, its thickness and / or its grain size before the continuous annealing. The input ⁇ sizes are therefore particularly bound specifically.
- the input large may be, however, on several points, or from ⁇ sections of the tape, and in particular the entire band rela ⁇ hen, for example, if the input variable is the chemical Caribbeanset ⁇ wetting of the steel and the steel group.
- the model simulates the continuous annealing process and predicts the quality parameters of the rolling stock after the continuous annealing.
- the set point is in particular a quality ⁇ tiquessnorm or a desired quality.
- the setpoint can this be an area, not just an absolute value. In comparing by simulation predicted material properties with predetermined desired values for the present steel grade a Diffe ⁇ ence can result in circumstances which need to be minimized.
- the process parameters of the continuous annealing process such as changing the belt speed in the furnace or the temperature profile currency ⁇ rend the heat treatment accordingly.
- the process parameters of the continuous annealing process render the heat treatment accordingly.
- the proposed model predictive control is therefore not regulated to the actual properties of the rolling stock after the continuous annealing, but it is regulated to a predicted using the computer model model result for the material properties.
- the result for the Ma ⁇ material characteristics of the rolling stock after the heat treatment is thus already been calculated when a point or portion of the rolling stock, for which the input variables are determined to is located before or at the beginning of the continuous annealing process, or if the input size be on the entire rolling be ⁇ pulls before a part of the rolling stock has foundedlau ⁇ the continuous annealing.
- an optimal control or regulation of the process parameters during the heat treatment in the continuous annealing is possible, which leads to a precise control of the material properties to be set after the heat treatment.
- At least one process variable of a pre-process of the continuous annealer is advantageously used as the input variable.
- preliminary processes are, for example, hot rolling or cold rolling of the rolling stock.
- an input variable can win a coiling temperature used in ⁇ play or in the rolling forces in an upstream finishing train.
- the input variable may relate in particular to the entire band.
- the process variables to be controlled such as, for example, the temperature in the continuous annealing furnace
- the rule to end can be fed to the model as an input variable.
- the rule to end are in particular measured.
- the at least one input variable can be measured or extracted from measurement or simulation data of the preliminary processes.
- the throughsgrö ⁇ SSE is measured in particular immediately prior to the continuous annealing line.
- the input variable Be ⁇ vorzugt is determined by a measurement of the remanence magnetically tables or the surface roughness of the rolling stock. Accordingly, a Vorrich ⁇ device for determining the magnetic remanence or the surface roughness is provided before the continuous annealing.
- the advantage of these measurements is that they are non-destructive and that they can be carried out on the fly.
- the magnetic remanence represents the residual magnetism which the previously magnetized rolling stock retains after removal of the magnetic field.
- the magneti ⁇ cal remanence of the rolling stock is with material properties of Walzguts correlated, so that in particular a grain or particle size of the metal structure of the rolling stock is determined by the magnetic remanence, which is supplied as input to the model.
- the input variable is determined according to a further preferred variant from process data of the preliminary process.
- models may also be used to calculate certain rolling characteristics or to control process parameters. From the process data of these models, information about the input variables for the model-predictive control of the continuous annealer is obtained.
- Both the measured and the calculated input variables may not be able to be determined exactly, but an area is determined in which they move (eg in the manner of a frequency distribution).
- the Minim least one controlled process variable, starting from the worst value in the range.
- the regulation then takes place in such a way that the largest possible range of possible input variable fluctuations is covered, ie in particular it is modeled over the entire range of the input variable in order to determine the most unfavorable value in this range, and finally this value is regulated ,
- a perlite fin spacing is used as the input variable. It is considered that the smaller, the smaller the fin pitch which he ⁇ ford variable annealing time Austentmaschine of the steel.
- the fin spacing can not be determined exactly, but can be determined in a fluctuation range, according to the proposed model-predictive control, starting from the most unfavorable possible perlite fin spacing, Within the fluctuation range, the annealing time for the Austenti- sation predicted.
- the model includes one or more model parameters and the simulated Materialei ⁇ genschaft after the continuous annealing process is measured and a deviation of the simulated material property of the measured material property of at least a Modellpa ⁇ parameters is adjusted. If, for example, a smaller particle size than simulated is determined after the continuous annealing, the speed of grain growth can be correspondingly reduced in the model.
- an intermediate variable is preferably calculated by means of the model, the intermediate variable being correlated with the material property .
- the intermediate size is the grain size of the rolling stock after the continuous annealing process.
- the ⁇ se grain size is simulated in the model and on the basis of the grain size ⁇ be the desired material properties such as yield strength or tensile strength, is determined.
- the object is further achieved according to the invention by a computer program which comprises a machine code which can be processed directly by a control device for a rolling mill and whose processing by the control device causes the control device to carry out a method according to one of the above statements.
- the computer program is preferably stored on a data carrier in machine-readable form.
- the object is also achieved according to the invention by a control device which is configured such that it performs in Be ⁇ operating a method according to the above embodiments.
- the single figure shows schematically and greatly simplified a method for operating a continuous annealing 2, which is part of a treatment line 6 together with a skin pass mill 4.
- a rolling stock here a steel strip 8
- a control device 10 which comprises a model 12.
- the input variable E is in particular a Materialei ⁇ genschaft of the tape, such as chemical composition, surface roughness or the grain size of the band 8.
- the input parameter may refer to a point on a section of the strip or, alternatively, to the whole band.
- at least the steel grade of the band 8 should form the input quantity E.
- the tensile strength and / or yield strength of the tape 8 which is indirectly true be ⁇ 8 via the magnetic remanence of the tape.
- the grain size of the strip 8 as well as further input quantities, such as a pearlite lamellar spacing, can be obtained from process data Pro ⁇ a preprocess 14 also, which is indicated in the figure by an arrow 20th
- process-specific data such as the rolling forces of an upstream roll stand or the individual strip thicknesses in the various stages of strip processing.
- the pre-process is a cold-rolling process in the embodiment shown. In cold rolling, models may also be used to simulate the process which obtains data D which may be used directly or indirectly as inputs E to the model 12.
- process-specific variables of the continuous annealing for example a temperature of an inert gas in the furnace of the Kon ⁇ ti annealer 2, can also form further input variables for the model 12.
- the input variables E are obtained from the pre-process 14 both by measurements and by the process data D. However, it is also conceivable to determine the input quantities E only by one of these two approaches.
- a material property of the ME tape 8 after the continuous annealing line 2 is simu ⁇ profiled in the model 12th
- the material property ME is eg a yield strength or a tensile strength of the band 8 after the skin pass mill 4. The material property ME after the annealing is thus still predicted at the beginning or during the heat treatment in the continuous annealing 2.
- the simulated material property ME is compared with a predetermined desired value SW, fen for verifying operation if the material property ME satisfies the quality requirement ⁇ sen. If the simulated material property ME from the desired value SW vary at least one process variable of the treatment line 6 or the continuous annealing line 2 is controlled or regulated ⁇ ge. Such process variables are for example the belt speed V in the continuous annealing line 2 or in the remaining areas of the treatment line 6 and the temperature profile T in the continuous annealing line 2, wherein both the spatial and the temporal temperature profile to verste ⁇ hen under temperature curve T is.
- a control signal S a change of process parameters of the skin pass mill 4 is illustrated in the figure.
- the simulation is carried out with the aid of the model 12, in particular for all and at least for both limits of the range.
- the simulation with the worst value of the range for the input variable E is used for the heat treatment in the continuum annealer 2 and correspondingly at least one process parameter T, V, S, a ⁇ is provided.
- the model 12 comprises a series of model parameters MPi, MP 2 ,..., MP n on the basis of which the simulation of the material property ME after the heat treatment is carried out.
- Mo ⁇ dell parameter MP are for example the speed of the grain wax ⁇ tums during the heat treatment or a correction factor for the speed of the phase transformation.
- the model parameters MP are adjustable in the exemplary embodiment shown and are adapted as a function of an actual, measured material property.
- Conswei ⁇ se is also immediately after the skin pass mill 4 a Measuring device 16 for determining the magnetic remanence provided.
- a measuring signal 20 is supplied to the control device 10.
- the actual yield strength and / or tensile ACTION of the tape 8 in the area of the skin pass mill 4 is indirectly determined in the control device ⁇ 10th
- the yield strength thus indirectly measured is compared with the yield strength which was simulated when this band segment was at the beginning of the continuous annealer.
- one or more model parameters MP be adapted to increase the precision in the model predictive control of heat treatment of the steel strip.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Artificial Intelligence (AREA)
- Automation & Control Theory (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Computation (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Control Of Heat Treatment Processes (AREA)
- Control Of Metal Rolling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201280037641.3A CN103732766B (zh) | 2011-08-12 | 2012-07-31 | 用于运行加工轧件的连续退火机组的方法 |
BR112014002983A BR112014002983A2 (pt) | 2011-08-12 | 2012-07-31 | método para operar uma linha de recozimento contínuo, programa de computador, dispositivo de controle e linha de recozimento contínuo para processamento de um produto laminado |
US14/238,565 US9732396B2 (en) | 2011-08-12 | 2012-07-31 | Method for operating a continuous annealing line for the processing of a rolled good |
EP12743136.9A EP2742158B1 (de) | 2011-08-12 | 2012-07-31 | Verfahren zum betrieb einer konti-glühe für die verarbeitung eines walzguts |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11177403A EP2557183A1 (de) | 2011-08-12 | 2011-08-12 | Verfahren zum Betrieb einer Konti-Glühe für die Verarbeitung eines Walzguts |
EP11177403.0 | 2011-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013023903A1 true WO2013023903A1 (de) | 2013-02-21 |
Family
ID=46604307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/064959 WO2013023903A1 (de) | 2011-08-12 | 2012-07-31 | Verfahren zum betrieb einer konti-glühe für die verarbeitung eines walzguts |
Country Status (5)
Country | Link |
---|---|
US (1) | US9732396B2 (de) |
EP (2) | EP2557183A1 (de) |
CN (1) | CN103732766B (de) |
BR (1) | BR112014002983A2 (de) |
WO (1) | WO2013023903A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017050311A1 (de) * | 2015-09-25 | 2017-03-30 | Sms Group Gmbh | Verfahren und ermittlung der gefügebestandteile in einer glühlinie |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2557183A1 (de) * | 2011-08-12 | 2013-02-13 | Siemens Aktiengesellschaft | Verfahren zum Betrieb einer Konti-Glühe für die Verarbeitung eines Walzguts |
DE102013225579A1 (de) * | 2013-05-22 | 2014-11-27 | Sms Siemag Ag | Vorrichtung und Verfahren zur Steuerung und/oder Regelung eines Glüh- oder Wärmebehandlungsofens einer Metallmaterial bearbeitenden Fertigungsstraße |
CN108026604B (zh) | 2015-05-28 | 2020-06-30 | 西马克集团有限公司 | 用于钢带热处理的热处理设备以及控制用于钢带热处理的热处理设备的方法 |
DE102016222644A1 (de) | 2016-03-14 | 2017-09-28 | Sms Group Gmbh | Verfahren zum Walzen und/oder zur Wärmebehandlung eines metallischen Produkts |
DE102016214267A1 (de) | 2016-08-02 | 2018-02-08 | Sms Group Gmbh | Verfahren zum Betreiben eines Glühofens zum Glühen eines Metallbandes |
US11932916B2 (en) | 2016-12-20 | 2024-03-19 | Arcelormittal | Method of dynamical adjustment for manufacturing a thermally treated steel sheet |
JP2020509242A (ja) | 2016-12-20 | 2020-03-26 | アルセロールミタル | 熱的に処理された鋼板を製造するための動的調整の方法 |
DE102017210230A1 (de) * | 2017-06-20 | 2018-12-20 | Sms Group Gmbh | Verfahren zum Betreiben eines Glühofens |
ES2926146T3 (es) | 2017-07-12 | 2022-10-24 | Tata Steel Nederland Tech Bv | Método para operar una línea de procesamiento continuo |
EP3757236A4 (de) * | 2018-02-22 | 2021-01-06 | JFE Steel Corporation | Verfahren zum erwärmen von stahlblechen im durchlaufglühen und durchlaufglühanlage |
JP7301968B2 (ja) * | 2018-12-18 | 2023-07-03 | アルセロールミタル | 中間金属製品のグループからの最終金属製品のグループの製造を制御するための方法および電子デバイス、関連するコンピュータプログラム、製造方法および設備 |
DE102019209163A1 (de) | 2019-05-07 | 2020-11-12 | Sms Group Gmbh | Verfahren zur Wärmebehandlung eines metallischen Produkts |
WO2021094808A1 (en) * | 2019-11-12 | 2021-05-20 | Arcelormittal | Method for scheduling production on a continuous galvanizing line |
WO2023190645A1 (ja) * | 2022-03-31 | 2023-10-05 | Jfeスチール株式会社 | 熱延鋼帯の焼鈍方法 |
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WO2004050923A1 (de) * | 2002-12-05 | 2004-06-17 | Sms Demag Aktiengesellschaft | Verfahren zur proozesssteuerung oder prozessregelung einer anlage zur umformung, kühllung und/oder wärmebehandlung von metall |
EP1496129A1 (de) * | 2002-04-08 | 2005-01-12 | JFE Steel Corporation | Wärmebehandlungsvorrichtung, wärmebehandlungsverfahren, wärmebehandlungsprogrammaufzeichnungsmedium und stahlprodukt |
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EP2557183A1 (de) * | 2011-08-12 | 2013-02-13 | Siemens Aktiengesellschaft | Verfahren zum Betrieb einer Konti-Glühe für die Verarbeitung eines Walzguts |
-
2011
- 2011-08-12 EP EP11177403A patent/EP2557183A1/de not_active Withdrawn
-
2012
- 2012-07-31 CN CN201280037641.3A patent/CN103732766B/zh active Active
- 2012-07-31 EP EP12743136.9A patent/EP2742158B1/de active Active
- 2012-07-31 WO PCT/EP2012/064959 patent/WO2013023903A1/de active Application Filing
- 2012-07-31 BR BR112014002983A patent/BR112014002983A2/pt not_active Application Discontinuation
- 2012-07-31 US US14/238,565 patent/US9732396B2/en active Active
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JPH07246407A (ja) * | 1994-03-10 | 1995-09-26 | Nippon Steel Corp | 連続統合プロセスラインの設計方法 |
US5770838A (en) * | 1996-09-11 | 1998-06-23 | Drever Company | Induction heaters to improve transitions in continuous heating system, and method |
EP1496129A1 (de) * | 2002-04-08 | 2005-01-12 | JFE Steel Corporation | Wärmebehandlungsvorrichtung, wärmebehandlungsverfahren, wärmebehandlungsprogrammaufzeichnungsmedium und stahlprodukt |
WO2004050923A1 (de) * | 2002-12-05 | 2004-06-17 | Sms Demag Aktiengesellschaft | Verfahren zur proozesssteuerung oder prozessregelung einer anlage zur umformung, kühllung und/oder wärmebehandlung von metall |
EP1711868B1 (de) * | 2004-02-06 | 2008-05-07 | Siemens Aktiengesellschaft | Rechnergestütztes modellierverfahren für das verhalten eines stahlvolumens mit einer volumenoberfläche |
WO2007051521A2 (de) * | 2005-10-31 | 2007-05-10 | Sms Demag Ag | Verfahren und fertigwalzstrasse zum warmwalzen von eingangsmaterial |
EP2177892A1 (de) | 2007-08-17 | 2010-04-21 | Nippon Steel Corporation | Verfahren zur bereitstellung von materialinformationen über eine ausgelieferte stahlplatte und verfahren zur verwendung der materialinformationen |
EP2287345A1 (de) * | 2009-07-23 | 2011-02-23 | Siemens Aktiengesellschaft | Verfahren zur Steuerung und/oder Regelung eines Induktionsofens für eine Walzanlage, Steuer- und/oder Regeleinrichtung für eine Walzanlage und Walzanlage zum Herstellen von Walzgut |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017050311A1 (de) * | 2015-09-25 | 2017-03-30 | Sms Group Gmbh | Verfahren und ermittlung der gefügebestandteile in einer glühlinie |
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BR112014002983A2 (pt) | 2017-02-21 |
CN103732766B (zh) | 2016-03-16 |
CN103732766A (zh) | 2014-04-16 |
EP2742158A1 (de) | 2014-06-18 |
US20140175713A1 (en) | 2014-06-26 |
EP2742158B1 (de) | 2015-08-26 |
US9732396B2 (en) | 2017-08-15 |
EP2557183A1 (de) | 2013-02-13 |
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