EP0860215A1 - Kontinuierliches Stahlherstellungsverfahren und Vorrichtung dafür - Google Patents

Kontinuierliches Stahlherstellungsverfahren und Vorrichtung dafür Download PDF

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Publication number
EP0860215A1
EP0860215A1 EP98301246A EP98301246A EP0860215A1 EP 0860215 A1 EP0860215 A1 EP 0860215A1 EP 98301246 A EP98301246 A EP 98301246A EP 98301246 A EP98301246 A EP 98301246A EP 0860215 A1 EP0860215 A1 EP 0860215A1
Authority
EP
European Patent Office
Prior art keywords
rolling
stage
state
steel
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.)
Withdrawn
Application number
EP98301246A
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English (en)
French (fr)
Inventor
Mike Clark
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.)
Kvaerner Clecim Continuous Casting Ltd
Kvaerner Metals Continuous Casting Ltd
Original Assignee
Kvaerner Clecim Continuous Casting Ltd
Kvaerner Metals Continuous Casting Ltd
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
Priority claimed from GBGB9703651.1A external-priority patent/GB9703651D0/en
Application filed by Kvaerner Clecim Continuous Casting Ltd, Kvaerner Metals Continuous Casting Ltd filed Critical Kvaerner Clecim Continuous Casting Ltd
Publication of EP0860215A1 publication Critical patent/EP0860215A1/de
Withdrawn legal-status Critical Current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
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • 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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1227—Warm rolling
    • 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
    • B21B13/023—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/02—Austenitic rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/04—Ferritic rolling
    • 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
    • B21B37/16—Control of thickness, width, diameter or other transverse dimensions
    • B21B37/24—Automatic variation of thickness according to a predetermined programme

Definitions

  • the present invention relates to a continuous metal manufacturing method and apparatus therefor and in particular of steel.
  • US-A-5018569 discloses a method of measuring and adjusting the roll speeds of rolls in a continuous casting line in order to monitor the onset of solidification to ensure that the point of solidification is maintained at essentially the same position. Whilst this is useful in maintaining the quality of the finished product it does not assist in control of the subsequent rolling of the cast slab.
  • EP-A-0666122 discloses a method of hot rolling of discrete slabs and specifically that the stock is re-heated between the first and second rolling stages. There is a high risk of cobbling with this process. Also with this method rolling in the austenitic phase only is provided for there is no provision for rolling in the ferritic phase which has to be carried out in a separate operation.
  • WO 92/00815 discloses a continuous casting and rolling process for the production of steel strip. With this process hot rolling is followed by heating then further hot rolling then cooling and finally ferritic rolling. Therefore when it is not required to roll ferritically the last stands are redundant.
  • An objective of the invention is to remove the need for a buffer stock and reduce the amount of material in any particular production run.
  • a consequential objective of the invention is to reduce the assets tied up in the casting and rolling processes and decrease the minimum optimum order size and to increase the flexibility of production and to reduce processing time.
  • a method for the manufacture of steel, in the form of rod, bar or strip, from the molten metal to the final rolled product comprising a casting process and a rolling process, wherein the rolling process includes a first rolling stage followed by a second rolling stage, the first and second rolling stages each comprising between one and six rolling stands, wherein the casting process and the rolling process are continuous and the flow rate of the molten metal into the casting process is balanced with the flow rate of the strip throughout the rolling process, and wherein a temperature controlling stage is arranged between the first and second rolling stages, characterised in that, the temperature controlling stage comprises a first state in which it operates to prepare the steel for rolling in the subsequent second rolling stage in the austenitic phase, and an alternative second state in which the temperature controlling stage operates to prepare the steel for the subsequent rolling stage in the ferritic phase, said temperature controlling stage being selectively operable between the first state and the second state, such that the steel passes through the same subsequent second rolling stage, correspondingly in the austenitic phase or alternatively the ferr
  • the temperature controlling means comprises a heat retaining means which in the first state encloses the steel to retain heat therein and is openable to form the second state in which the steel is exposed to the surrounding cooling air.
  • the temperature controlling means comprises a heat providing or retaining means and a separate heat removing or cooling means.
  • the heat providing or retaining means and heat removing means are arranged in parallel, and in the first state, the heat providing or retaining means is arranged in-line with first and second rolling stages and the heat removing means are arranged off-line, and in the second state the heat removing means are arranged in-line with the first and second rolling stages and the heat providing or retaining means is arranged off-line.
  • the heat providing or retaining means and heat removing means are arranged in series in-line with each other, and in the first state, the heat providing or retaining means is switched to an operating state and the heat removing means is switched to an off state, and in the second state the heat removing means is switched to an on state and the heat providing or retaining means is switched to an off state.
  • the temperature controlling stage preferably includes a cooling stage which is preferably provided by forced cooling, such as by water cooling.
  • the temperature controlling stage preferably includes a heating stage which may be by induction heating.
  • the casting speed is of the order of 6 metres/minute with a slab thickness of 70 mm and a corresponding range of final thin gauge strip from 0.75 mm to 5 mm the cast slab thickness is in the range of 55 to 85 mm and the continuous casting slab speed is in the range of 4.8 to 7.2 metres/minute.
  • the steel is preferably maintained with a flow rate product of at least 0.315 metres 2 /minute.
  • the gauge and shape of the strip may be changed continuously without interruption to the combined casting and rolling process, by controlling the roll gaps and the speed of the whole casting and rolling process in a synchronous way, at least one of the first and second rolling stages comprising at least one rolling stand comprising at least one dynamic shape actuated shell roll.
  • an apparatus for the manufacture of steel, in the form of rod, bar or strip, from the molten metal to the final rolled product comprising a casting stage and first and second rolling stages, the first and second rolling stages each comprising between one and six rolling stands, wherein the casting stage and the rolling stages are continuous and the flow rate of the molten metal into the casting stage is balanced with the flow rate of the strip throughout the rolling stages, and wherein a temperature controlling stage is arranged between the first and second rolling stages, characterised in that, the temperature controlling stage comprises a first state in which it operates to prepare the steel for rolling in the subsequent second rolling stage in the austenitic phase, and an alternative second state in which the temperature controlling stage operates to prepare the steel for the subsequent rolling stage in the ferritic phase, said temperature controlling stage being selectively operable between the first state and the second state, such that the steel passes through the same subsequent second rolling stage, correspondingly in the austenitic phase or alternatively the ferritic phase.
  • FIG. 1 shows one embodiment of the apparatus which comprises a casting process 2 and a rolling process 3 for the production of steel strip.
  • Molten steel enters the continuous casting process stage 2 where it solidifies.
  • a continuous slab 5 is formed with a slab thickness starting at 90 mm and reducing to 70 mm by the stage where the casting or solidification process is complete.
  • the continuous slab 5 is then guided to a descaling section 8 before going on to a first rolling stand 10a of the rolling process 4.
  • the continuous slab continues through the second, third and fourth stands 10a, 10b, 10c of the rolling process 4 resulting in a reduction in the thickness of the slab to 2 mm.
  • This 2 mm thickness at this stage is shown for a particular example of a required final gauge of strip.
  • the thickness of the strip could be as high as 5 mm depending on the desired final gauge.
  • the slab 5 we shall refer to the slab 5 as strip 6 because this is a more accurate description of the steel with now much reduced thickness dimensions.
  • the velocity of the slab/strip 5/6 has correspondingly increased from 0. 1 m/s to 3.5 m/s.
  • the strip 6 then enters a re-heating and homogenisation stage 11b to restore the strip to the desired temperature for the subsequent rolling operations and in particular the edges of the strip which will have cooled down much more than the centre during the first rolling stage 10.
  • This restores or maintains the steel of the strip in the austenitic phase to avoid the phase change to the ferritic phase.
  • This enables further rolling to take place in the austenitic phase.
  • the volume changes associated with the phase change from austenitic to ferritic prevent satisfactory rolling from taking place during the phase change, and the metallurgical properties of the resulting strip would not be of the required specification.
  • the heating stage includes an electrical induction heater.
  • the strip 6 passes through a second descaling stage 12 before proceeding to two further rolling stands 13a, 13b and has then achieved the desired thickness of 0.75 mm.
  • the velocity of the strip has correspondingly increased to 9.3 m/s.
  • the final thickness again could be as high as 5 mm according to the required final product specification and the fmal velocity would be correspondingly lower.
  • the strip then passes through a cooling section 14 which in this embodiment is merely an extended distance between the last rolling stage 13 and the coiling stage 15. This distance in this case is 50 metres. Again this distance may be varied according to the requirements of any particular product specification within the scope of the invention.
  • the strip then meets the final coiling stage 15 where the strip is coiled into conveniently sized coils.
  • This coiling station preferably includes a cutting stage as well as an automatic means of re-starting a new coil.
  • the re-heating and homogenisation stage 11b is replaced with an additional cooling means 11a which actually speeds up the conversion from the austenitic. phase to the ferritic phase so that the conversion to the ferritic phase is essentially complete before the strip reaches subsequent rolling stands.
  • the final rolling stages take place with the strip in the ferritic phase.
  • any rolling of the strip whilst the conversion of the steel strip from the austenitic phase to the ferritic phase is taking place is avoided. It may be sufficient to just turn off the re-heater 9 to achieve the required cooling to convert the steel strip to the ferritic phase without any need for additional cooling means.
  • the essence of the invention is the two stage rolling process in which the first and second rolling stages are separated to ensure that either the steel is maintained in the austenitic phase before the second stage by re-heating or that the steel is converted to the ferritic phase before the second rolling stage if necessary by forced cooling.
  • the first rolling stage has four rolling stands and the second rolling stage has two rolling stands, the first rolling stage could have between two and four rolling stands and the second rolling stage could have between one and three rolling stands.
  • a slab shearing device is incorporated at the exit of the caster to divide the strip in the event of certain delays or disturbances in the upstream or downstream process.
  • a buffer is created which may alleviate the need to stop the caster and therefore moderating the extent of production loss due to the delay or disturbance of the rolling stage.
  • the shearing means is arranged to operate intermittently only since such shearing will only be required in the event of delay or disturbances in the process.
  • the shearing means is preferably a mechanical shearing device.
  • the specific thickness, corresponding velocity and the length are shown for each of the stages in figure 4. All these values will vary according to the type of steel produced and in particular the desired size of the finished strip.
  • the required mass flow of the cast material can be used to define the as cast slab thickness as well as the as cast slab speed.
  • Figure 2 shows how this can be done.
  • the mass flow curve A of the as cast slab is plotted as a product of the slab speed and the slab thickness which are the respective axes.
  • the horizontal line B is a simplified representation of the upper limit of the as cast slab thickness for a given number of rolling mill passes.
  • the vertical line C is a simplified representation of the upper limit for the as cast slab speed which is determined by operational criteria of the casting process.
  • the desired cast speed and thickness can be chosen from the area to the right and above curve A within the limits of lines B and C. Within these limits it is desirable, when in the steady state, to maximise the throughput and therefore be as close as possible to the cross over of lines B and C.
  • the flow rate will be reduced from the maximum due, for example, to changeovers in various wear components of the casting process, such as the submerged entry nozzles, and it is necessary to ensure that none of these events cause the flow rate to be reduced to such an extent that either the cast velocity or the product thickness falls below curve A on figure 2.
  • Band B shows the preferred range for optimum finished quality, additionally taking into account other factors such as the optimum wear on the components in the casting process having an impact on the overall costs of the process.
  • Line D shows a thickness reduction from 50 to 0.7
  • line E from 60 to 0.7
  • line F from 70 to 0.7
  • line G from 80 to 0.7
  • line H from 90 to 0.7
  • line J from 100 to 0.7
  • line K from 110 to 0.7
  • the final desired thickness in this example is 0.7 mm.
  • the optimum casting speed should be of the order of 6 metres/minute with a slab thickness of 70 mm. Satisfactory results can be achieved for a corresponding range of final thin gauge strip from 0.75 mm to 5 mm with a cast slab thickness in the range of 55 to 85 mm and a continuous casting slab speed of 4.8 to 7.2 metres/minute.
  • the critical parameters may be simplified in the flow rate product which is the product of the thickness and the speed. This flow rate is itself a critical parameter and according to the invention it has been determined that this should be at least 0.315 metres 2 /minute. This linear flow rate lower limit can be applied for any width of strip.
  • molten steel is formed into the final finished strip by means of the combined casting process stage 2, a first re-heating and homogenisation furnace 3, a rolling process stage 4 and a final coiling stage 5.
  • the strand length then enters the re-heating and homogenisation furnace which is preferably a tunnel furnace 3.
  • the purpose of the tunnel furnace is to ensure that the strand is at the required temperature across the whole profile of the strand for the subsequent rolling operation.
  • the required temperature of the strand depends therefore on the further processing requirements of the final strip and thus additional heating may be required as well as maintenance of the desired temperature by means soaking requiring the addition of heat or possibly merely by heat insulation.
  • a second continuous cast strand could be introduced from a separate casting unit so that the generally slower throughput of the casting unit can be balanced with the generally higher throughput of the rolling process so that the throughput capacity of the rolling process is more fully utilised.
  • the second continuous cast strand can be switched into the line when the first casting line is paused.
  • the next stage of the strip-making apparatus is a descaling stage 8, shown on fig. 4, 5.
  • An edging stage (not shown) may optionally be provided at this stage before the rolling operation.
  • the strand now enters the rolling process stage 4 which in this embodiment includes a first rolling stage 10 which in this embodiment includes four rolling stands 10 and a second rolling stage 13 which in this embodiment includes two rolling stands separated by a temperature controlling stage 11 between them.
  • a further scale suppression stage or de-scaling unit 12 is also provided between them.
  • the temperature controlling stage 11 comprises both a reheating/homogenisation function 11b or alternatively a cooling function 11a.
  • this stage is required to be a cooling stage 11a which is required for certain types of steel strip to allow the transformation of the steel from the austenitic phase to the ferritic phase so that the transformation takes place before further rolling rather than during subsequent rolling.
  • the cooling unit 11a and the re-heating /homogenisation unit 11b of the temperature controlling stage are arranged side by side so that desired unit for the function that is required for a particular subsequent rolling operation.
  • the cooling unit 11a is arranged to line with the path of the strip.
  • the cooling unit 11a is moved sideways out off line and the re-heating/homogenisation unit is moved sideways into line with the path of the strip.
  • Rolling stage 13 is the finishing rolling stage with, in this embodiment, two rolling stands, although more stages may be required. Also the first rolling stage could have an alternative number of stands typically having from two to six stands. Preferably low inertia hydraulic loopers may be provided (not shown) and also optional scale suppression between each stand.
  • the rolled strip is then fed to a run out table 14 which may also be provided with optional cooling 14a, in addition to normal air cooling.
  • the coiling stage may include a first pinch roll which is provided in front of a shear which is followed by a separate optional pinch roll and then the coiling stage, all of which enable the desired final strip lengths to be cut and coiled whilst being continuously fed from the mill.
  • the apparatus includes a control system with means for measuring the speed of the strip and the strands, as well as the profile, shape, thickness and width of the strip and also the lateral position of the strip.
  • the control system is also linked to temperature measuring sensors in numerous places along the whole apparatus as well as tension measurement in the rolling process.
  • the control system is linked to an actuating system which varies all of these parameters.
  • the speed and tension of the strip is controlled by the roll speeds, and the profile, shape, gauge, width and lateral alignment is controlled by the mould, the roll gap, actuating means such as dynamic shape rolls (DRS) rolls and by guide rolls.
  • the temperature is adjusted by the heating means in the tunnel furnace as well as cooling at the casting unit and/or by temperature modifications at the re-heating/homogenisation/cooling stage 11 and/or at each or some of the rolling stands.
  • the gauge of the strip may be changed during the rolling process by controlling the roll gaps and the speed of the whole casting and rolling process in a synchronous way.
  • each strand As each strand enters the rolling process it has to be threaded through the rolling stands and this occurs at a threading speed which is lower than the desired final rolling speed.
  • This lower threading speed is equivalent to the speed as is presently used in the conventional rolling of strip from slabs or strand lengths rolled from cast slabs but at the highest possible practical speed or this conventional rolling.
  • the speed is increased significantly and tension can be induced in the strip.
  • the strand is very long, compared to conventional single cast slab strands, and rolling can thus take place at this higher speed in conditions which are very near steady state conditions.
  • the temperature of the strip during rolling is higher than during threading or during rolling of conventional cast slab lengths. This allows thinner gauges to be produced.
  • edge guidance is provided by roll tilting which is itself based on measurements of the lateral position of the strip.
  • the width/thickness ratio is higher and it is more difficult to achieve good flatness quality.
  • cooling unit 11a arranged in-line with the re-heating/homogenisation unit 11b.
  • the cooling unit 11a is activated and the re-heat/homogenisation unit 11b is de-activated.
  • the cooling unit 11a is de-activated and the re-heating/homogenisation unit 11b is activated and the austenitic rolling can then occur through the same rolling stage 13.
  • cooling stage 11a is provided by allowing the strip to pass through a sufficient distance to permit cooling to take place by air circulation and radiation.
  • the re-heating unit is of course de-activated but also has the tops of the unit raised to permit cooling by air circulation through the heating unit in the cooling mode. Cooling could be provided by forced air or nitrogen flow cooling in the re-heater or in the extended distance or both.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)
EP98301246A 1997-02-21 1998-02-19 Kontinuierliches Stahlherstellungsverfahren und Vorrichtung dafür Withdrawn EP0860215A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9703651 1997-02-21
GBGB9703651.1A GB9703651D0 (en) 1997-02-21 1997-02-21 Continuous metal strip manufacturing method and apparatus therefore
GB9715360 1997-07-21
GB9715360A GB9715360D0 (en) 1997-02-21 1997-07-21 Continuous metal manufacturing method and apparatus therefor

Publications (1)

Publication Number Publication Date
EP0860215A1 true EP0860215A1 (de) 1998-08-26

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EP98301246A Withdrawn EP0860215A1 (de) 1997-02-21 1998-02-19 Kontinuierliches Stahlherstellungsverfahren und Vorrichtung dafür

Country Status (5)

Country Link
EP (1) EP0860215A1 (de)
JP (1) JPH10277715A (de)
CN (1) CN1195585A (de)
CA (1) CA2230013A1 (de)
GB (1) GB2322320A (de)

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WO1999030847A1 (de) * 1997-12-17 1999-06-24 Sms Demag Ag Produktionsverfahren und -anlage zur endlosen erzeugung von warmgewalzten dünnen flachprodukten
WO2000030776A1 (en) * 1998-11-26 2000-06-02 Demag Italimpianti S.P.A. Hot-rolling mill for thin strips
WO2000071272A1 (en) * 1999-05-21 2000-11-30 Danieli Technology, Inc. Endless casting rolling system with single casting stand
EP1059125A2 (de) * 1999-06-08 2000-12-13 SMS Demag AG Verfahren zum Herstellen von Metallband
WO2009065517A1 (de) * 2007-11-21 2009-05-28 Sms Siemag Ag Verfahren und vorrichtung zum herstellen eines bandes aus metall
WO2009121678A1 (de) * 2008-04-04 2009-10-08 Siemens Vai Metals Technologies Gmbh & Co Verfahren und vorrichtung für eine giess-walz-verbundanlage
WO2010066412A1 (de) * 2008-12-09 2010-06-17 Sms Siemag Ag Verfahren zum herstellen von bändern aus metall und produktionsanlage zur durchführung des verfahrens
US8950227B2 (en) 2009-04-09 2015-02-10 Siemens Vai Metals Technologies Gmbh Method and device for preparing hot-rolling stock
EP2957359B1 (de) 2010-05-10 2017-03-08 Danieli & C. Officine Meccaniche SpA Anlage zur herstellung von flachgewalzten produkten
US11421295B2 (en) 2017-07-06 2022-08-23 Posco Ultra high strength hot rolled steel sheet having low deviation of mechanical property and excellent surface quality, and method for manufacturing same

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ES2314642T3 (es) * 2005-04-07 2009-03-16 Giovanni Arvedi Proceso y sistema para la fabricacion de bandas y chapas de metal sin solucion de continuidad entre la fundicion en continuo y el laminado.
AT504782B1 (de) * 2005-11-09 2008-08-15 Siemens Vai Metals Tech Gmbh Verfahren zur herstellung eines warmgewalzten stahlbandes und kombinierte giess- und walzanlage zur durchführung des verfahrens
RU2503513C2 (ru) * 2009-05-06 2014-01-10 Сименс Акциенгезелльшафт Способ изготовления материала, прокатываемого в прокатном стане прокатной установки, управляющее и/или регулирующее устройство для прокатной установки для изготовления прокатываемого материала, прокатная установка для изготовления прокатываемого материала, машиночитаемый программный код и носитель для хранения данных
AT513299B1 (de) 2012-08-20 2016-04-15 Primetals Technologies Austria GmbH Verfahren und Vorrichtung für eine Gieß-Walz-Verbundanlage
CN104959838A (zh) * 2015-07-07 2015-10-07 成都亨通兆业精密机械有限公司 一种光棒自动化生产装置
CN107876564A (zh) * 2017-12-15 2018-04-06 唐山全丰薄板有限公司 一种铁素体轧制控制装置及其控制工艺
CN109482646B (zh) * 2018-10-31 2020-03-13 燕山大学 基于无头轧制动态变规程铁素体轧制方法
DE102021203848A1 (de) * 2021-04-19 2022-10-20 Sms Group Gmbh Verbesserung der Produktivität einer Gießwalzanlage durch Einstellung einer optimalen Gießdicke

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WO2000030776A1 (en) * 1998-11-26 2000-06-02 Demag Italimpianti S.P.A. Hot-rolling mill for thin strips
WO2000071272A1 (en) * 1999-05-21 2000-11-30 Danieli Technology, Inc. Endless casting rolling system with single casting stand
US6296047B1 (en) 1999-05-21 2001-10-02 Danieli Technology, Inc. Endless casting rolling system with single casting stand
EP1059125A2 (de) * 1999-06-08 2000-12-13 SMS Demag AG Verfahren zum Herstellen von Metallband
EP1059125A3 (de) * 1999-06-08 2003-01-15 SMS Demag AG Verfahren zum Herstellen von Metallband
TWI381893B (zh) * 2007-11-21 2013-01-11 Sms Siemag Ag 製造金屬帶的方法與裝置
WO2009065517A1 (de) * 2007-11-21 2009-05-28 Sms Siemag Ag Verfahren und vorrichtung zum herstellen eines bandes aus metall
RU2489227C2 (ru) * 2008-04-04 2013-08-10 Сименс Фаи Металз Текнолоджиз Гмбх Способ и устройство для совмещенной установки разливки и прокатки
WO2009121678A1 (de) * 2008-04-04 2009-10-08 Siemens Vai Metals Technologies Gmbh & Co Verfahren und vorrichtung für eine giess-walz-verbundanlage
US8276647B2 (en) 2008-04-04 2012-10-02 Siemens Vai Metals Technologies Gmbh Process and apparatus for a combined casting and rolling installation
US8453711B2 (en) 2008-04-04 2013-06-04 Siemens Vai Metals Technologies Gmbh Process and apparatus for a combined casting and rolling installation
KR101332196B1 (ko) * 2008-12-09 2013-11-25 에스엠에스 지마크 악티엔게젤샤프트 금속 스트립 제조 방법 및 이 방법을 실행하기 위한 생산 시스템
WO2010066412A1 (de) * 2008-12-09 2010-06-17 Sms Siemag Ag Verfahren zum herstellen von bändern aus metall und produktionsanlage zur durchführung des verfahrens
TWI421138B (zh) * 2008-12-09 2014-01-01 Sms Siemag Ag 製造金屬帶的方法及實施此方法的生產設備
CN102245319B (zh) * 2008-12-09 2014-11-26 Sms西马格股份公司 用于制造由金属制成的带的方法和用于执行该方法的生产设备
US8950227B2 (en) 2009-04-09 2015-02-10 Siemens Vai Metals Technologies Gmbh Method and device for preparing hot-rolling stock
EP2957359B1 (de) 2010-05-10 2017-03-08 Danieli & C. Officine Meccaniche SpA Anlage zur herstellung von flachgewalzten produkten
EP2957358B2 (de) † 2010-05-10 2022-10-12 Danieli & C. Officine Meccaniche SpA Verfahren und anlage zur herstellung von flachgewalzten produkten
US11421295B2 (en) 2017-07-06 2022-08-23 Posco Ultra high strength hot rolled steel sheet having low deviation of mechanical property and excellent surface quality, and method for manufacturing same

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CN1195585A (zh) 1998-10-14
CA2230013A1 (en) 1998-08-21

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