EP1993749A1 - Procédé de laminage pour un matériau laminé permettant la réalisation d'un niveau dans le matériau laminé - Google Patents

Procédé de laminage pour un matériau laminé permettant la réalisation d'un niveau dans le matériau laminé

Info

Publication number
EP1993749A1
EP1993749A1 EP07712181A EP07712181A EP1993749A1 EP 1993749 A1 EP1993749 A1 EP 1993749A1 EP 07712181 A EP07712181 A EP 07712181A EP 07712181 A EP07712181 A EP 07712181A EP 1993749 A1 EP1993749 A1 EP 1993749A1
Authority
EP
European Patent Office
Prior art keywords
rolling
point
rolling stock
stock
change
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
Application number
EP07712181A
Other languages
German (de)
English (en)
Other versions
EP1993749B1 (fr
Inventor
Edmund Koh
Dirk Krautwurst
Birger Schmidt
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.)
Siemens AG
Original Assignee
Siemens AG
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
Application filed by Siemens AG filed Critical Siemens AG
Priority to PL07712181T priority Critical patent/PL1993749T3/pl
Publication of EP1993749A1 publication Critical patent/EP1993749A1/fr
Application granted granted Critical
Publication of EP1993749B1 publication Critical patent/EP1993749B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B21B37/16—Control of thickness, width, diameter or other transverse dimensions
    • 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
    • B21B37/26—Automatic variation of thickness according to a predetermined programme for obtaining one strip having successive lengths of different constant thickness
    • 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
    • B21B1/30—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 non-continuous process
    • B21B1/32—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 non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work

Definitions

  • Rolling process for a rolling stock for introducing a step into the rolling stock
  • the present invention relates to a rolling process for a rolling stock, in particular a strip-shaped rolling stock having a Walzgut frustrating and a Walzgrode, wherein the rolling ⁇ well, starting with the Walzgut managing, is rolled in a roll nip of a roll stand to a first nominal dimension.
  • the present invention further relates to a trä ⁇ carrier with a computer program stored on the data carrier for carrying out such a rolling method when the computer program is executed by a control computer for a rolling stand.
  • the present invention also relates to a control computer for a rolling mill, which is designed in such a way - in particular programmed - that the rolling mill is controlled by him according to such a rolling process.
  • the present invention relates to a rolling stock, in particular a strip-shaped rolling stock.
  • Rolling process data carriers, control computers and rolling stock of the type mentioned are well known.
  • the entire rolling stock ie from the beginning of the rolling stock to the end of the rolling stock, is rolled to the first nominal dimension.
  • the object of the present invention is to provide a rolling method, a disk and a control computer for a roll stand by means of which a rolling is ⁇ adjustable forth, which is formed integrally in and has at least two portions in the longitudinal direction, have mutually different dimensions ,
  • the object is achieved for the rolling process in that it is continuously determined by a control computer during the rolling of the rolling stock in the rolling mill, which point of the rolling stock is currently in the nip, and the rolling of the rolling stock is terminated to the first target dimension, if the just in the nip located location of the rolling corresponds to a predetermined first point of change of Walzgut ⁇ good, which is between the beginning of rolling stock and the rolling stock, so that in the rolling stock at the first change agency a first step is introduced.
  • the task for the data carrier is achieved in that a computer program is stored on it, which serves to carry out such a rolling process when the computer program is executed by a control computer for a rolling stand.
  • a control computer for a rolling mill which is adapted insbeson ⁇ particular is programmed so that the rolling stand by him ⁇ nem such a rolling process is controlled in accordance with ei.
  • the setting of the roll gap is carried out in modern Walzge ⁇ equipment usually via hydraulic cylinder units.
  • hydraulic cylinder units have the advantage over other actuators that they are adjustable not only in the load-free state, but also under load.
  • the roll stand has such adjustable under load actuators, it is possible that the rolling stock is rolled from reaching the first point of change in the direction of the rolling stock to a second target dimension.
  • the second nominal dimension may in this case be smaller than the first nominal dimension. As a rule, it will be larger than the first nominal dimension.
  • the Walzgeschwindig ⁇ ness must be different from zero.
  • the first stage is therefore somewhat softened as a rule.
  • the rolls of the roll stand are mounted in roller bearings and the contact time at zero rolling speed is kept so small that damage to the rollers - especially fire damage - can be avoided.
  • the rolling stock is rolled from the first change Stel ⁇ le to the rolling stock to the second target dimension. It is also possible that the rolling of the rolling stock to the second nominal dimension is terminated when the position of the rolling stock which is just in the roll gap corresponds to a predetermined second alteration point, which is between see the first point of change and the rolling stock is located, so that in the rolling stock at the second point of change, a second stage is introduced.
  • the rolling stock can be rolled from reaching the first point of change in the direction of the Walzgut creating to a second nominal dimension. Rolling to the second nominal dimension can already take place at the first point of change or only from a point closer to the beginning of the rolling stock.
  • the rolling of the rolling stock to the second target dimension is terminated when the location of the rolling stock currently in the nip corresponds to a predetermined second alteration point which is between the
  • the rolling stand is driven up when the location of the rolling stock, which is currently in the nip, corresponds to the first point of change, so that the rolling material, the roll gap after starting of the rolling stand re ⁇ free passes.
  • This procedure is also reali ⁇ sable when the actuators are adjustable for adjusting the roll gap only in the load-free state.
  • Rolling mill through the rolling stock can alternatively be forward (ie in the previous rolling direction) or backward.
  • the rolling stock after rolling on the first or the second nominal dimension, starting with the rolling stock , in the Rolling gap of the roll stand is ge ⁇ rolls to a third nominal dimension ge ⁇ until the point of rolling, which is currently in the roll gap, korres ⁇ pondiert with a second point of change.
  • the second point of change may lie between the beginning of the rolling stock and the first point of change, so that a second step is introduced into the rolling stock at the second point of change.
  • the second change point can also correspond to the first change point, so that the first level is increased.
  • the rolling stock is the rolling stand, however, run completely by ⁇ , it is possible that the rolling stock is thereafter BEGIN rolls Nend with the Walzctorde, ge to a second desired dimension ⁇ until the point that just finds himself in the nip be ⁇ , corresponds to a second point of change, which lies between the first point of change and the Walzctorde, so that in the rolling stock at the second point of change, a second stage is introduced. Also in this case, of course, at the second point of change, the rolling is completed to the second target dimension.
  • FIG. 1 shows a basic structure of a rolling arrangement
  • FIG. 2 shows a flow chart
  • FIG. 3 to FIG. 14 show different states when rolling a
  • FIG. 15 shows a rolled rolling stock
  • a rolling stock 1 is to be rolled.
  • the rolling stock 1 is preferably a strip-shaped rolling stock 1.
  • the rolling stock 1 has a rolling stock 2 and a rolling stock 3.
  • the point of change 4 is preferably not defined by its Ab ⁇ stand to Walzgutating 2 or to Walzctorde 3, since this distance changes during rolling of the rolling stock 1.
  • the change in position 4 is preferably rather by the Materi ⁇ the rolling material 1 almenge determined, which is located between the change point 4 and the rolled stock 2 and the Walzctorde. 3
  • the rolling stock 1 is rolled in a roll stand 5.
  • the Walzge ⁇ Hinst 5 in turn is controlled by a control computer. 6
  • the control computer 6 is supplied with a computer program 7.
  • the feeding of the computer program 7 may, for example, a portable or other data carrier 8 take place, on which the computer program is stored in 7 (only) machine-readable form with ⁇ means of.
  • the control computer 6 is programmed in such a manner per ⁇ (or more generally formed) to execute a rolling information model, which is described below in conjunction with Figures 2 to 14th
  • the control computer 6 controls in a step Sl the rolling mill 5 in such a way that the rolling stock 1 from the roll ⁇ gut managing 2 dl on a first target dimension * (ie dl to a first desired thickness * with a strip-shaped rolling stock 1) is rolled.
  • the determination of the requisite Steuerparame- ter for the roll stand 5 by means of a pass schedule and the Ge ⁇ rüstparameter of the roll stand 5 is generally known to those skilled.
  • the actual rolling process, ie the forming of the rolling stock 1, takes place in a roll gap 9 of the roll stand 5.
  • control computer 6 determines which
  • Position 10 of the rolling stock 1 is currently located in the nip 9.
  • the determination of the point 10 can be made for example via a well-known material tracking 11.
  • the control computer 6 compares the determined in step S2 stop 10 with the first change Stel ⁇ le 4. If the first change point 4 has not yet reached - see, for example. B. FIG 3 - the control computer 6 goes back to step S2. On the basis of this return to step S2, on the one hand, the rolling process started in step S1 is continued. On the other hand, the step S2 again leads out ⁇ so that continuously determined as a result of the control computer 6 during the rolling of the rolling material 1 in the roll stand 5, which point of the rolling stock 1 is currently located in the roll gap 9 10th
  • the control computer 6 ends the rolling of the rolling stock 1 to the first desired dimension d 1 * in a step S 4 by appropriate control of the roll stand 5.
  • step S5 can be of different nature.
  • the roll stand 5 (of course due to a corresponding activation by the control computer 6) is driven up when the point 10 which is currently located in the roll gap 9 corresponds to the first change point 4.
  • the drive-up of the roll stand 5 has the advantage that it is also possible by means of actuators, which can only be moved without load.
  • the rolling stock 1 forward (see arrow V) or back ⁇ ward (see arrow R) removed from the roll stand 5.
  • the rolling stock 1 thus passes through the rolling gap 9, since the rolling stand 5 is raised, without deformation.
  • the second setpoint dimension d2 * may be smaller than the first setpoint dimension dl *. Preferably, it is because in this case a faster SET ⁇ system is possible dl larger than the first target dimension * to the second desired dimension d2 *.
  • the rolling stock 1 is rolled to the second target dimension d2 * until the rolling stock 1 is completely rolled, that is, the rolling stock end 3 has passed through the rolling gap 9.
  • the rolling of the rolling stock 1 to the second target dimension d2 * is terminated when the point 10 of Walz ⁇ good 1, which is currently in the nip 9, with a predetermined second point of change 13 corresponds, which lies between the first point of change 4 and the rolling stock 3.
  • a second stage 14 is introduced into the rolling stock 1 at the second change point 13.
  • the procedure for introducing the second stage 14 at the second point of change 14 is completely analogous to the introduction of the first level 12 at the first point of change 4. Of detailed explanations this is therefore omitted.
  • the measures that are taken after the introduction of the second stage 14, are completely analogous to the measures that are taken after the introduction of the first stage 12 at the first point of change 4.
  • the Walzge ⁇ can Studst 5 are ascended - see FIG 8 -, the rolling operation to be continued with a further set size, etc ..
  • step S5 it is also possible, starting from the state shown in FIG. 4, in the course of step S5, to start the rolling process to continue reaching the first point of change 4, but the rolling stock 1 is rolled in the direction of the beginning of rolling stock 2.
  • the rolling stock is rolled to a second nominal dimension d3 *, wherein the second nominal dimension d3 * - compare FIG. 9 - is smaller than the first nominal dimension dl *.
  • the rolling stock 1 it is possible for the rolling stock 1 to be rolled on only from a point which lies between the first change point 4 and the rolling stock start 2. As a rule, however, the rolling to the second nominal dimension d3 * is started directly at the first point of change 4.
  • the rolling of the rolling stock 1 to the second target dimension d3 * is terminated when the point 10 of the rolling stock 1, which is currently in the nip 9, corresponds to a predetermined second change point 15.
  • the second change point 15 is located in this case between the rolled stock 2 and the first change point 4.
  • a second stage 16 is introduced in the rolling stock 1 on the second accumulation point ⁇ nde ⁇ 15. This is shown in FIG.
  • the rolling stock 1 will be rolled to the second target dimension d3 * until the beginning of rolling stock 2. This state is shown in FIG.
  • the rolling stock 1 When the rolling stock 1 has been completely withdrawn from the roll gap 9, ie up to and including the beginning of the rolling stock 2, it is possible for the rolling stock 1 after rolling to have the first sole dimension d1 * or - in the case of the embodiment according to FIG Rolling to the second nominal dimension d3 * - to a third nominal dimension d5 * to roll.
  • the rolling process is started with the start of rolling stock 2 and listed until the point 10 of the rolling stock 1, which is currently in the Waizzspalt 9, with a second point of change 19 kor ⁇ responded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

L'invention concerne un matériau (1) laminé comprenant un point de départ (2) du matériau laminé et un point d'arrivée (3) du matériau laminé. Le matériau laminé est enroulé sur un calibre plat (9) d'une cage de laminoir (5) dans une première mesure cible (d1*), commençant au point de départ (2) du matériau laminé. Lorsque le matériau laminé (1) est enroulé dans la cage de laminoir (5), un ordinateur de commande (6) détermine de manière continue la position (10) du matériau laminé (1) qui se trouve actuellement dans le calibre plat (9). Lorsque la position (10) du matériau (1) laminé, actuellement dans le calibre plat (9), correspond à une première position de modification (4) du matériau (1) laminé, laquelle se situe entre le point de départ (2) du matériau laminé et son point d'arrivé (3), le laminage du matériau (1) laminé se termine sur une première mesure cible (d1*), de sorte qu'un premier niveau (12) est effectué dans le matériau (1) laminé sur le premier point (4) de modification.
EP07712181A 2006-03-15 2007-02-08 Procédé de laminage pour un matériau laminé permettant la réalisation d'un niveau dans le matériau laminé Active EP1993749B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07712181T PL1993749T3 (pl) 2006-03-15 2007-02-08 Sposób walcowania materiału walcowanego umożliwiający wykonywanie stopnia na materiale walcowanym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006011939A DE102006011939A1 (de) 2006-03-15 2006-03-15 Walzverfahren für ein Walzgut zum Einbringen einer Stufe in das Walzgut
PCT/EP2007/051221 WO2007104616A1 (fr) 2006-03-15 2007-02-08 Procédé de laminage pour un matériau laminé permettant la réalisation d'un niveau dans le matériau laminé

Publications (2)

Publication Number Publication Date
EP1993749A1 true EP1993749A1 (fr) 2008-11-26
EP1993749B1 EP1993749B1 (fr) 2012-07-11

Family

ID=37946681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07712181A Active EP1993749B1 (fr) 2006-03-15 2007-02-08 Procédé de laminage pour un matériau laminé permettant la réalisation d'un niveau dans le matériau laminé

Country Status (9)

Country Link
US (1) US8356504B2 (fr)
EP (1) EP1993749B1 (fr)
KR (1) KR101357099B1 (fr)
CN (1) CN101400457B (fr)
DE (1) DE102006011939A1 (fr)
PL (1) PL1993749T3 (fr)
RU (1) RU2432219C2 (fr)
UA (1) UA96286C2 (fr)
WO (1) WO2007104616A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007049062B3 (de) * 2007-10-12 2009-03-12 Siemens Ag Betriebsverfahren zum Einbringen eines Walzguts in ein Walzgerüst eines Walzwerks, Steuereinrichtung und Walzwerk zum Walzen eines bandförmigen Walzgutes
EP2418031A1 (fr) * 2010-08-13 2012-02-15 Siemens Aktiengesellschaft Procédé de fabrication d'une bande métallique à l'aide d'une installation de laminage par coulée, dispositif de commande et/ou de réglage pour une installation composite de laminage par coulée et installation composite de laminage par coulée
DE102012218353A1 (de) * 2012-10-09 2014-04-10 Siemens Ag Breitenbeeinflussung eines bandförmigen Walzguts
GB2518444A (en) * 2013-09-24 2015-03-25 Siemens Ag Rolling Method
DE102014201611A1 (de) * 2014-01-30 2015-07-30 Volkswagen Aktiengesellschaft Bidirektionale Tailored Rolled Platine
CN104741377B (zh) * 2015-03-30 2017-01-04 宝山钢铁股份有限公司 具有纵向不同厚度的板材的轧制方法
JP6674349B2 (ja) 2016-07-21 2020-04-01 株式会社日立製作所 圧延制御装置、圧延制御方法およびプログラム
CN108397682A (zh) * 2017-02-08 2018-08-14 鞍钢股份有限公司 一种纵向异形断面钢板及其生产方法
CN108397681A (zh) * 2017-02-08 2018-08-14 鞍钢股份有限公司 一种纵向异形截面钢板及其生产方法
EP3566790B1 (fr) * 2018-05-08 2021-01-06 Muhr und Bender KG Procédé de réglage dynamique d'écartement entre cylindres lors du laminage flexible de bandes métalliques

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SU871957A1 (ru) 1979-09-20 1981-10-15 Ордена Трудового Красного Знамени Днепродзержинский Индустриальный Институт Способ прот жки заготовок круглого сечени
JPS6037201A (ja) 1983-08-08 1985-02-26 Kawasaki Steel Corp 厚板の差厚圧延方法
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Also Published As

Publication number Publication date
KR101357099B1 (ko) 2014-02-03
RU2432219C2 (ru) 2011-10-27
UA96286C2 (ru) 2011-10-25
US20090306810A1 (en) 2009-12-10
CN101400457B (zh) 2011-08-03
PL1993749T3 (pl) 2012-12-31
KR20080102308A (ko) 2008-11-24
EP1993749B1 (fr) 2012-07-11
US8356504B2 (en) 2013-01-22
RU2008140733A (ru) 2010-04-20
CN101400457A (zh) 2009-04-01
DE102006011939A1 (de) 2007-09-27
WO2007104616A1 (fr) 2007-09-20

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