EP2195127B1 - Betriebsverfahren zum einbringen eines walzguts in ein walzgerüst eines walzwerks, steuereinrichtung, datenträger und walzwerk zum walzen eines bandförmigen walzgutes - Google Patents

Betriebsverfahren zum einbringen eines walzguts in ein walzgerüst eines walzwerks, steuereinrichtung, datenträger und walzwerk zum walzen eines bandförmigen walzgutes Download PDF

Info

Publication number
EP2195127B1
EP2195127B1 EP08803716A EP08803716A EP2195127B1 EP 2195127 B1 EP2195127 B1 EP 2195127B1 EP 08803716 A EP08803716 A EP 08803716A EP 08803716 A EP08803716 A EP 08803716A EP 2195127 B1 EP2195127 B1 EP 2195127B1
Authority
EP
European Patent Office
Prior art keywords
rolling
rolling stock
control device
stock
tensile stress
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.)
Active
Application number
EP08803716A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2195127A1 (de
Inventor
Hans-Joachim Felkl
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 PL08803716T priority Critical patent/PL2195127T3/pl
Publication of EP2195127A1 publication Critical patent/EP2195127A1/de
Application granted granted Critical
Publication of EP2195127B1 publication Critical patent/EP2195127B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • B21B37/46—Roll speed or drive motor control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2265/00—Forming parameters
    • B21B2265/02—Tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2271/00—Mill stand parameters
    • B21B2271/02—Roll gap, screw-down position, draft position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/06—Threading
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2275/00—Mill drive parameters
    • B21B2275/02—Speed
    • B21B2275/04—Roll speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2275/00—Mill drive parameters
    • B21B2275/02—Speed
    • B21B2275/06—Product speed

Definitions

  • the invention relates to an operating method for introducing a rolling stock, in particular a metal strip, in a roll stand of a rolling mill. Furthermore, the invention relates to a control device for a rolling mill, a data carrier and a rolling mill for rolling a rolling stock, in particular a metal strip.
  • a generic method or a generic device are, for example WO-A 2007 104604 known.
  • a strand or slabs are usually cast from liquid rolling stock, which are then further processed into semifinished product. These are usually processed by a hot and / or cold rolling mill.
  • the object of the present invention is to provide an operating method and a rolling mill with which the Life of the work rolls and the productivity of the rolling mill can be increased.
  • the procedural part of the object is achieved by an operating method for introducing a rolling stock, in particular a metal strip, into a rolling stand of a rolling mill, wherein the rolling mill has a rolling stand with work rolls and a control device, wherein the rolling stock has a rolling stock and with a Walzgutkopf whatsoever on the rolling stand is moved, wherein the work rolls form a roll gap, wherein the control means controls the rolling mill such that before entering the Walzgutkopfes in the nip, the work rolls are rotated at a peripheral speed which is substantially equal to the Walzgutkopf Ober that before entering the Walzgutkopfes in the nip the roll gap is set in the vertical direction to substantially an inlet side rolling stock thickness, and that during or after entry of the rolling stock into the roll gap, this closed to a predetermined value and substantially simultaneously with S Close the roll gap, the peripheral speed of the work rolls in response to the closed state of the roll gap changed, in particular increased, is.
  • the invention can be used both for single-stand rolling mills and for multi-stand rolling mills. That the rolling mill comprises at least one rolling stand.
  • the invention is equally applicable to cold rolling mills and hot rolling mills.
  • a nip is formed by the work roll skirt surfaces of two work rolls, with a shortest distance between the upper and lower work rolls defined by a lateral surface normal defining the vertical extent of the roll nip.
  • the roll gap may have different vertical dimensions in the width direction of the rolling stock, which are caused, for example, by a roll grinding form, roll wear, thermal expansion of the rolls or roll bending.
  • Rollzgutkopf tape head or tape beginning the rolling stand facing the end of a rolling mill incoming rolling stock or bands is referred to, whereas the Walzgutfuß or Bandfuß, also referred to as the ribbon end, the rolling mill end facing away from a rolling mill incoming rolling stock or strip ,
  • the rolling stock head speed can be detected, for example, by means of speed sensors.
  • the control device controls the rotational speed of the work rolls such that the rotational speed of the work rolls is substantially equalized at the time of entry of the rolling stock in the nip of the rolling head speed. This avoids a large difference between circulating speed and rolling stock head speed between the working roll jacket surface and the rolling stock or rolling stock. a high relative speed between rolling stock and work roll shell surface, is present, which could lead to damage of the work roll.
  • circulation speed is meant the web speed of a fixed point on a work roll shell surface, which essentially describes a circular path due to the rotation of the work roll.
  • the roll gap is essentially set to the thickness of the incoming rolling stock head before the rolling stock enters the rolling gap.
  • the nip is thus set approximately to the thickness of the incoming Walzgutkopfes.
  • the nip may be slightly smaller or slightly larger than the Walzgutkopfdicke.
  • the nip is opened slightly wider than the incoming rolling stock is thick.
  • the position determination of the rolling stock head takes place, for example, via a rolling stock or rolling stock tracking, which uses reference points and, for example, a rolling stock or rolling stock speed known from rolls or drivers in order to determine the position of the rolling stock head.
  • the roll gap slightly smaller than the rolling stock thickness. If the rolling stock reaches the nip, it springs somewhat open because the rolling stock is thicker than the nip.
  • the springing of the roll gap upon entry of the rolling stock in the nip can be advantageously used as a start signal for raising the rolling force or for loading the roll gap.
  • a Walzgutvierung of here is therefore not mandatory to determine the entry time in the nip.
  • the rolling stock loss for the end product can be further reduced if necessary.
  • the peripheral speed of the work rolls in response to the roll gap ie, changed from the opening of the roll gap, in particular increased
  • the roll gap or roll gap opening is the rolling gap setting defining the outlet thickness of the rolling stock.
  • the nip closes to a predetermined value and substantially simultaneously with closing of the nip the peripheral speed the work rolls changed depending on the outlet side Walzgutdicke, in particular increases relative to the inlet speed of the rolling stock, is.
  • the rotational speed of the work rolls is changed depending on the roll gap to a rotational speed defined by the predetermined value of the roll gap.
  • the rotational speed is thereby changed taking into account the valid during rolling mass flow laws or volume conservation laws, that is substantially adapted to the outlet side Walzgutdicke according to the above Lawmä- ⁇ techniken when reaching the outlet side desired Walzgutdicke, the rotational speed of Häwalzenmantel vom.
  • the desired outlet-side rolling stock thickness or the opening of the desired roll gap can, for example, be suitably selected manually by the operator of the rolling train or calculated and specified by a rolling model.
  • a tensile stress of the rolling stock is measured on the inlet side and / or outlet side before and / or after the rolling stand, wherein the control device controls actuating means for influencing the tensile stress of the rolling stock in such a way that an intended tensile stress of the rolling stock is set as a function of the measured tensile stress becomes.
  • the rolling mill has a first and a second subordinate second rolling stand, in which the rolling stock is introduced successively, wherein between the first and the second rolling mill means for measuring a Walzgutzugs is provided, wherein the Control device at and / or after entry of the rolling stock in the nip of the second rolling mill, the first and / or the second rolling stand controls such that an intended tensile stress is set for the rolling stock.
  • control device controls actuating means for influencing a tensile stress of the rolling stock in such a way that by means of a rolling model precalculated manipulated variables provided for the rolling stock tension is maintained.
  • a precalculation allows a tensile stress error of the rolling stock to be detected even before its formation, and that the adjusting means are controlled by the control device such that a tensile error for the rolling stock does not occur, but a tensile stress for the rolling stock is maintained.
  • control device controls the first and / or the second rolling stand by means of a rolling model precalculated manipulated variables such that a deviation of a tensile stress of a rolling stock is avoided by a planned tension for the rolling stock.
  • control device for a rolling mill which has a machine-readable program code which comprises control commands which cause the control device to carry out the operating method according to one of claims 1 to 3.
  • the invention further extends to a data carrier with a machine-readable program code stored thereon for carrying out the operating method according to one of the claims 1 to 3 when the program code is executed by a controller for a rolling mill.
  • the device-related part of the object is achieved by a rolling mill for rolling a rolling stock, in particular a metal strip, wherein the rolling mill has a rolling stand with work rolls and a control device, wherein the rolling stock has a Walzgutkopf and is zubewegbar with a Walzgutkopf für on the rolling stand, wherein the work rolls form a roll gap, wherein the rolling stand of the control device is controlled such that before entering the Walzgutkopfes in the nip, the work rolls are rotated at a peripheral speed which is substantially equal to the Walzgutkopf IN that before entering the Walzgutkopfes in the nip of the nip in vertical Direction to substantially an inlet side Walzgutdicke is set, and that when or after entering the Walzgutkopfes in the nip this closed to a predetermined value and substantially simultaneously with closing of the roll gap, the Umfan gs economically the work rolls changed depending on the roll gap, in particular increases, is.
  • the tensile stress of the rolling stock can be measured by a device for measuring the tensile stress, wherein the control means actuating means for influencing the Walzgutzugs be controlled such that depending on the measured tensile stress an intended tensile stress of the rolling stock is adjusted.
  • the rolling mill has a first and a first subordinate second rolling stand, in which the rolling stock is successively introduced, wherein between the first and the second rolling stand a means for measuring a Walzgutzugs is provided, wherein by means of the control device at and / or after entry of the rolling stock in the nip of the second rolling stand, the first and / or the second rolling stand can be controlled such that an intended tensile stress for the rolling stock is adjusted ,
  • adjusting means for influencing the rolling stock can be controlled by the control device in such a way that a tensile stress provided for the rolling stock is maintained by means of manipulated variables predicted by a rolling model.
  • FIG. 1 shows a schematic view of a rolling mill 1 with a Walzguttransport Anlagen 8 and a rolling stand 2.
  • the rolling mill 2 comprises a set of work rolls 5 and a set of unspecified support rollers.
  • a control device 6 is operatively connected to the rolling stand 2, so that it can control the function of the roll stand 2.
  • metal strip 3 in a rolling stand 2 of a rolling mill 1 is in the control device 6, an in FIG. 1 schematically illustrated machine-readable program code 21 for automatic execution of a method deposited.
  • the program code 21 may be permanently or temporarily stored in a control device 6.
  • the machine-readable program code 21 provided by means of a data carrier 20 of the control device 6 once or several times. After the machine-readable program code 21 has been supplied to the control device 6, the control device 6 can carry out the method according to the invention for introducing a metal strip 3 into a rolling stand 2 when the machine-readable program code 21 is executed.
  • FIG. 1 further shows an inlet-side and an outlet-side rolling stock transport device 8 before and after the rolling stand 2 on the upstream rolling stock 8 is a metal strip 3 with a tape head 4, which has a thickness Dw arranged.
  • the metal band 3 or the tape head 4 moves toward the rolling stand 2 at a tape head speed Ve.
  • the metal strip 3 has not yet reached a roll gap G formed by the work rolls 5, ie is located only before entry into the roll gap G.
  • the control device 6 the tape head thickness Dw, which, for example, was determined from a tape thickness measurement, and the tape head speed Ve, which has been detected, for example.
  • the control device 6 the outlet side target thickness SDa, the metal strip 3 is supplied.
  • the outlet-side setpoint thickness SDa of the metal strip 3 can be calculated, for example, by a rolling model or be suitably selected.
  • the control device 6 is supplied with further rolling parameters P, which are important for producing a desired end product under the given rolling conditions.
  • the rolling stand 2 is driven such that the work rolls 5 before arrival of the metal strip 3 in the nip G at a peripheral speed Vu which is substantially equal to the upstream tape head speed Ve.
  • the roll gap G of the roll stand 2 is set substantially by the control device 6 so that the vertical opening of the roll gap G substantially corresponds to the strip head thickness Dw of the incoming strip head 4. It therefore applies before arrival of the metal strip 3 in the nip, but at the latest upon arrival of the metal strip in the nip: Dw ⁇ G.
  • a rolling stock or metal strip then enters the nip of a rolling stand when the rolling head or strip head pierces the plane spanned by the longitudinal axes of the two working rolls of the rolling stand.
  • FIG. 2 shows a schematically illustrated section of a rolling mill 1, after a metal strip 3 has been threaded into the rolling stand 2.
  • FIG. 2 shows the rolling mill 1 at a time significantly after completion of the threading process on the rolling mill. 2
  • FIG. 1 When threading the metal strip 3 in the rolling stand 2 of the nip G is made FIG. 1 preferably at or with, alternatively after arrival of the tape head 4 from FIG. 1 closed. Substantially simultaneously with closing of the roll gap G to a predetermined value so that an outlet side target thickness SDa of the metal strip 3 is achieved, the peripheral speed Vu2 of the work rolls 5 is tuned to the outlet side strip speed Va of the metal strip 3 or matched to the outlet side strip thickness Since the metal strip 3 or tuned to the current opening of the roll gap G changed. The peripheral speed Vu2 of the work rolls 5 is substantially equal to the outgoing side belt speed Va, substantially as the target side thickness SDa of the metal strip 3 is reached. The belt speed Va for the rolling stand 2 is also the upstream belt speed Ve 'for the next one, the rolling stand 2 subsequent roll stand 2 '.
  • the rotational speed Vu2 of the work rolls 5 after threading into the roll stand 2 is generally higher in magnitude than the rotational speed Vu2 of the work rolls shortly before the tape head 4 enters the roll gap G.
  • FIG. 1
  • the rotational speed of the work rolls after completion of the threading of rolling stock on a rolling stand increased relative to the then present inlet speed of the metal strip compared with rotational speed shortly before the entry of the rolling stock in the nip relative to the present at this time Walzgutkopf nie.
  • FIG. 4 The increase of a rolling force Fw2 exerted on the rolling mill 2 on the metal strip 3 upon arrival of the metal strip 3 in the nip G of the FIG. 1 is in FIG. 4 presented qualitatively.
  • the associated qualitative course of the essentially synchronous increase in the rotational speed Vu2 of the work rolls 5 of the roll stand 2 is shown in FIG FIG. 5 shown.
  • the rolling process of the metal strip 3 has already progressed so far that the metal strip is also threaded into a second roll stand 2 'which follows the rolling stand 2 next.
  • the strip tension control of the control device 6 is activated or released.
  • a measuring roller 9 is preferably from the time at which rolling mill 2 'begins to act as a driver on the metal strip 3, the tensile stress of the metal strip 3 detected.
  • the strip tension of the metal strip 3 can be adjusted by means of suitable adjusting means 7.
  • Adjusting means 7 may be the rolling stands 2 and 2 'themselves, wherein the rotational speed of the work rolls 5 and 5' and / or the adjusting force is used as a manipulated variable for setting the strip tension.
  • any known to the expert adjusting means for adjusting the tension of metal strip 3 may be used, for example. Suitable, controllable rollers. 9
  • a tensile stress error can be remedied on the one hand after occurrence or on the other hand be avoided from the outset, by precalculation.
  • the prediction is made possible by using a rolling model.
  • rolling models are known, for example, from the technical article entitled " Adaptive Rolling Model for a Cold Strip Tandem Mill "by Kurz et al., Published at the AISE in Pittsburgh in 2001 , Also, a variety of other sources for usable rolling models for anticipating a train error as well as for predicting an outlet side target thickness SDa of a metal strip 3 is available.
  • An already occurring and detected by the measuring roller 9 Werner is by controlling adjusting means 7 for influencing the tension, such as at least one rolling stand 2 or 2 ', between which the Werner occurs, or other suitable adjusting means, such as a loop lifter, not shown, fixed ,
  • FIG. 3 The flow chart shown shows an exemplary embodiment for carrying out the method for introducing rolling stock into a rolling stand of a rolling mill.
  • the flowchart assumes that a metal strip is to run on a first rolling stand of a rolling mill and to be threaded into the rolling mill, wherein the first rolling mill is followed by a second rolling mill.
  • a first method step S1 the tape head speed of the tape head of the metal strip is detected and fed to the control device before the tape head enters the first rolling stand.
  • the tape head speed can be detected, for example, by information from driver wheels driving the metal belt or by measurement.
  • the control device controls the work rolls in a method step S3 such that they rotate at a rotational speed which is substantially equal to the strip speed of the metal strip entering the roll gap.
  • the tape head thickness of the tape head tapered onto the first rolling stand is detected in a method step S2 and supplied to the control device. Based on the supplied tape head thickness, the control device controls the rolling stand in a method step S4 such that the opening of the roll gap in the vertical direction is substantially equal to the tape head thickness of the incoming tape head in the rolling mill.
  • step S5 it is checked whether the tape head has already entered the nip, for example with a tape head tracking. If the tape head has not yet reached the roll gap of the roll stand, another loop, i. Updating the tape head speed and the tape head thickness, are traversed and the rolling stand for adjusting the rotational speed and the roll gap are controlled accordingly by the controller.
  • the roll gap is loaded in a method step S6, ie the rolling force acting on the metal strip is raised, for example, starting from zero force. Initially, the rolling force is still so low that no decrease in thickness of the metal strip takes place. The rolling stand acts as a driver in this case. If the rolling force exceeds a threshold rolling force, a reduction in the thickness of the metal strip commences. Substantially with the onset of a thickness reduction of the metal strip becomes the peripheral speed of the work rolls depending on the thickness reduction of the metal strip changed in a step S7.
  • the increase in the rotational speed is such that the product of the outlet-side strip thickness or current nip opening and rotational speed of the work roll at any time is essentially always the same constant.
  • a target peripheral speed of the work rolls, which is then to be kept essentially constant, is also achieved.
  • the achievement of the nominal rotational speed or the predetermined roll gap value is determined in method step S8.
  • any specifications can be made. For example, it can be provided to increase the rotational speed linearly and thus provide a linear reduction in thickness, which leads to a non-linear force-time curve. Alternatively, a linear force curve can be specified. As a result, there is then a nonlinear reduction in thickness with linearly increasing rolling force and, as a result, a non-linear, opposite increase in peripheral speed.
  • Time parallel to the change of the rolling force and the rotational speed during threading is in one process step S9 measured the tension of the metal strip.
  • a measuring roller is used.
  • a method step S10 it is checked whether there is a deviation of the measured tensile stress from the desired tensile stress. If there is no deviation, it is checked in a next method step S12 whether the threading process has ended. The threading process is completed for the respective rolling stand when the setpoint values for rolling force or for the outlet-side thickness of the rolling stock or for the predetermined value of the roll gap and rotational speed of the work rolls for the respective rolling stand are reached. If it is determined in method step S12 that the threading process has not yet ended, a renewed measurement of the tensile stress of the metal strip is carried out with subsequent testing.
  • method step S10 If it is determined in method step S10 that the tensile stress deviates from the intended tensile stress for the metal strip, then the tensile stress of the metal strip is restored in a method step S11 by means of an adjusting means for influencing the tensile stress, which may be designed, for example, as a loop lifter and / or rolling stand adjusted to the intended tension. This usually takes place in several steps.
  • the tension is controlled by means of successive measurement of the tensile stress and comparison with the intended tensile stress on the intended tensile stress. Alternatively, a prediction can be used to completely avoid train errors by appropriately driving the adjusting means for influencing the tensile stress.
  • FIG. 4 respectively.
  • FIG. 5 show the rolling force over time or a course of the rotational speed of the work rolls over time for a rolling mill 2 from FIG. 1 respectively.
  • FIG. 2 during the introduction of the metal strip in the roll stand.
  • the tape head of the metal strip arrives in the nip of the rolling stand.
  • the circulation speed the work rolls and the nip are at this time already according to the invention, for example, starting from a higher or lower rotational speed on the tape head speed set.
  • the roll gap is now closed by means of the control device and a linearly increasing rolling force Fw2 is exerted on the metal strip arranged between the work rolls.
  • Fw2 linearly increasing rolling force
  • a reduction in the thickness of the metal strip begins, ie the opening of the roll gap is reduced in the vertical direction.
  • the rotational speed of the work rolls is increased. Due to the linear application of force to the metal strip, shown in FIG. 4 , the thickness reduction is non-linear. Accordingly, according to FIG. 6 Also, the increase in the rotational speed of the work rolls of the mill stand non-linear.
  • the driving style of the rolling stand can also be designed in reverse, i. the reduction in thickness or the circulation speed increase takes place linearly. Accordingly, the metal strip is subjected to a non-linear force.
  • FIG. 6 and FIG. 7 show analogous to the temporal rolling force curve or the time course of the rotational speeds of the work rolls for the second rolling mill 2 'from FIG. 2 ,
  • an analogous procedure for threading the metal strip in the rolling mill 2 from FIG. 2 wherein the metal strip during threading into the roll stand 2 'at least partially the first rolling stand 2 from FIG. 1 respectively.
  • FIG. 2 has gone through.
  • the metal strip is usually still a duration .DELTA.t, until the work rolls of the roll stand 2 'from FIG. 2 apply a force to the metal band.
  • the roll gap is set according to the tape head thickness of the metal strip tapered onto the rolling stand.
  • the work rolls are rotated so as to have a rotational speed equal to the tape head speed of the incoming metal strip.
  • the adjustment of the speed of rotation of the work rolls to the tape head speed is indicated by dashed lines for different output orbital speeds of the work rolls 5 and FIG. 6 shown.
  • the tape head speed of the metal strip is in front of the rolling stand 2 'from FIG. 2 usually in terms of amount higher than the tape head speed of the metal strip in front of the rolling stand 2 from FIG. 2 ,
  • the roll gap is closed and from the time t2 + .DELTA.t is a linearly increasing rolling force Fw2 'exercised on the metal band. Until a time t3, the rolling force Fw2 'exerted on the metal strip does not lead to any substantial material flow of the metal strip. Up to this time t3, therefore, the rotational speed of the work rolls of the roll stand 2 'is made FIG. 2 equal to the tape head speed of the incoming tape. From time t3, where plastic deformation of the metal strip starts, the peripheral speed of the work roll is changed according to the discharge side thickness of the metal strip. As soon as a substantially constant outlet side strip thickness is reached, ie, as a rule, the desired thickness of the outlet side metal strip, the rotational speed of the work rolls is also substantially constant. This is given at time t4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Rolling (AREA)
EP08803716A 2007-10-12 2008-09-05 Betriebsverfahren zum einbringen eines walzguts in ein walzgerüst eines walzwerks, steuereinrichtung, datenträger und walzwerk zum walzen eines bandförmigen walzgutes Active EP2195127B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08803716T PL2195127T3 (pl) 2007-10-12 2008-09-05 Sposób pracy do wprowadzania materiału walcowanego do klatki walcowniczej walcowni, zespół sterujący, nośnik danych i walcownia do walcowania materiału walcowanego w postaci taśmy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007049062A DE102007049062B3 (de) 2007-10-12 2007-10-12 Betriebsverfahren zum Einbringen eines Walzguts in ein Walzgerüst eines Walzwerks, Steuereinrichtung und Walzwerk zum Walzen eines bandförmigen Walzgutes
PCT/EP2008/061746 WO2009049964A1 (de) 2007-10-12 2008-09-05 Betriebsverfahren zum einbringen eines walzguts in ein walzgerüst eines walzwerks, steuereinrichtung, datenträger und walzwerk zum walzen eines bandförmigen walzgutes

Publications (2)

Publication Number Publication Date
EP2195127A1 EP2195127A1 (de) 2010-06-16
EP2195127B1 true EP2195127B1 (de) 2012-12-19

Family

ID=39916332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08803716A Active EP2195127B1 (de) 2007-10-12 2008-09-05 Betriebsverfahren zum einbringen eines walzguts in ein walzgerüst eines walzwerks, steuereinrichtung, datenträger und walzwerk zum walzen eines bandförmigen walzgutes

Country Status (8)

Country Link
US (1) US9050637B2 (ru)
EP (1) EP2195127B1 (ru)
CN (1) CN101821028B (ru)
BR (1) BRPI0818051A2 (ru)
DE (1) DE102007049062B3 (ru)
PL (1) PL2195127T3 (ru)
RU (1) RU2448790C2 (ru)
WO (1) WO2009049964A1 (ru)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007031333A1 (de) * 2007-07-05 2009-01-15 Siemens Ag Walzen eines Bandes in einer Walzstraße unter Nutzung des letzen Gerüsts der Walzstraße als Zugverringerer
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
JP4716206B2 (ja) * 2009-08-11 2011-07-06 住友金属工業株式会社 ３ロール式マンドレルミルを構成する圧延ロールの圧下位置調整装置及び継目無管の製造方法
EP2298461A1 (de) * 2009-09-17 2011-03-23 Siemens Aktiengesellschaft Kaltwalzstraße mit Massenflussregelung an einem Walzgerüst
DE102010031316B4 (de) * 2010-07-14 2013-01-24 Hilti Aktiengesellschaft Herstellungsverfahren für ein längliches Halbzeug
JP5737617B2 (ja) * 2011-04-01 2015-06-17 株式会社Ihi 電極帯板の連続圧縮装置と方法
DE102011078150A1 (de) 2011-06-08 2012-12-13 Sms Siemag Ag Verfahren, Computerprogramm und Walzstraße zum Walzen eines Metallbandes
RU2467813C1 (ru) * 2011-06-21 2012-11-27 Учреждение Российской академии наук Институт металлургии и материаловедения им. А.А. Байкова РАН Способ продольной прокатки полос
CN103212587B (zh) * 2012-01-19 2015-04-22 中铝瑞闽股份有限公司 消除热轧板锭张口的方法和设备
CN103878174B (zh) * 2014-03-21 2016-08-24 广西柳州银海铝业股份有限公司 一种扩充卷取机能力和消除卷材头部印痕的轧制方法
BR112017005936A2 (pt) * 2014-10-09 2017-12-19 Nippon Steel & Sumitomo Metal Corp método para produção de chapa metálica com linhas elevadas, chapa metálica com linhas elevadas, e componente estrutural
DE102016214715A1 (de) 2015-10-15 2017-04-20 Sms Group Gmbh Verfahren zum Walzen eines Walzgutes und Walzwerk
JP6103158B1 (ja) 2016-05-13 2017-03-29 新日鐵住金株式会社 幅圧下方法及び幅圧下装置
DE102019131761A1 (de) * 2019-11-25 2021-05-27 Norbert Umlauf Walzlinie
CN113198850B (zh) * 2021-03-30 2023-04-07 北京首钢股份有限公司 热轧精轧机组的控制方法、控制系统及工控设备
CN115121620A (zh) * 2022-06-17 2022-09-30 山西太钢不锈钢股份有限公司 一种热连轧辊道节电模式的控制方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1284922B (de) * 1963-03-14 1968-12-12 Schloemann Ag Verfahren zum Nachstellen von Walzgeruesten in kontinuierlichen Walzstrassen, insbesondere in Mittelstahlstrassen
AT278686B (de) * 1968-05-29 1970-02-10 Voest Ag Verfahren zum Walzen von im Stranggußverfahren gegossenen Strängen
DE2541071C3 (de) 1975-09-15 1984-07-12 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Regelung der im Walzgut übertragenen Zugkraft in einer mehrgerüstigen kontinuierlichen Walzstraße
JPS53146958A (en) 1977-05-28 1978-12-21 Nippon Steel Corp Rolling method of steel material at high area reduction
GB1602088A (en) 1977-05-28 1981-11-04 Nippon Steel Corp Rolling method and apparatus
DE3231273A1 (de) * 1982-08-23 1984-02-23 SMS Schloemann-Siemag AG, 4000 Düsseldorf Verfahren zum auswalzen von metallischen werkstoffen, insbesondere bandmaterial, und walzwerk zur ausuebung des verfahrens
JPS59118212A (ja) * 1982-12-22 1984-07-07 Kawasaki Steel Corp 条鋼材連続圧延機の張力制御方法
DE3317635A1 (de) 1983-05-14 1984-11-15 Fried. Krupp Gmbh, 4300 Essen Warmwalzverfahren
JPS6037201A (ja) 1983-08-08 1985-02-26 Kawasaki Steel Corp 厚板の差厚圧延方法
JPS6199509A (ja) * 1984-10-22 1986-05-17 Kobe Steel Ltd 多段圧延機のクラウン制御方法
DE4141230A1 (de) 1991-12-13 1993-06-24 Siemens Ag Walzplan-berechnungsverfahren
JPH0615317A (ja) * 1992-07-01 1994-01-25 Toshiba Corp 熱間仕上圧延機の制御方法
RU2075358C1 (ru) * 1992-10-23 1997-03-20 Эльпро АГ Берлин-Индустриэлектроник унд Анлагенбау Способ регулирования скорости металла на многоклетьевом непрерывном стане горячей прокатки для обеспечения минимальных продольных тяговых усилий в металле с учетом неравномерного нагрева металла по его длине
DE19504711C1 (de) * 1995-02-14 1996-11-14 Sundwiger Eisen Maschinen Verfahren und Vorrichtung zum Auswalzen der Enden eines aufgewickelten Bandes in einem Reversierwalzwerk
DE19726586A1 (de) * 1997-06-23 1999-01-07 Siemens Ag Verfahren und Einrichtung zur Verringerung bzw. Kompensation von Drehzahleinbrüchen beim Einfädeln eines Walzgutes in ein Walzgerüst
JP2000312909A (ja) * 1999-04-27 2000-11-14 Toshiba Corp 板幅制御装置
WO2006119998A1 (en) * 2005-05-11 2006-11-16 Corus Staal Bv Method and apparatus for producing strip having a variable thickness
DE102006011975A1 (de) * 2006-03-15 2007-09-27 Siemens Ag Betriebsverfahren für ein Walzwerk zum Walzen eines bandförmigen Walzguts
DE102006011939A1 (de) 2006-03-15 2007-09-27 Siemens Ag Walzverfahren für ein Walzgut zum Einbringen einer Stufe in das Walzgut
JP5023571B2 (ja) 2006-06-22 2012-09-12 東芝三菱電機産業システム株式会社 連続冷間圧延機の先端自動通板装置
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

Also Published As

Publication number Publication date
DE102007049062B3 (de) 2009-03-12
EP2195127A1 (de) 2010-06-16
WO2009049964A1 (de) 2009-04-23
US9050637B2 (en) 2015-06-09
CN101821028B (zh) 2014-02-12
RU2448790C2 (ru) 2012-04-27
US20100218576A1 (en) 2010-09-02
BRPI0818051A2 (pt) 2015-03-31
RU2010119069A (ru) 2011-11-20
CN101821028A (zh) 2010-09-01
PL2195127T3 (pl) 2013-05-31

Similar Documents

Publication Publication Date Title
EP2195127B1 (de) Betriebsverfahren zum einbringen eines walzguts in ein walzgerüst eines walzwerks, steuereinrichtung, datenträger und walzwerk zum walzen eines bandförmigen walzgutes
EP1799368B1 (de) Verfahren und vorrichtung zum kontinuierlichen herstellen eines dünnen metallbandes
EP2170535B1 (de) Verfahren zur einstellung eines zustands eines walzguts, insbesondere eines vorbands
EP2548665B1 (de) Ermittlungsverfahren für relativbewegungsabhängigen Verschleiß einer Walze
EP2252416B1 (de) Regelverfahren für eine kaltwalzstrasse mit vollständiger massenflussregelung
EP2603337B1 (de) Verfahren zum herstellen von walzgut mittels einer giesswalzverbundanlage, steuer- und/oder regeleinrichtung für eine giesswalzverbundanlage und giesswalzverbundanlage
EP2588257B1 (de) Betriebsverfahren für ein walzwerk zum walzen von flachem walzgut mit walzenverschleissprognose
DE102006047718A1 (de) Verfahren zur Nachverfolgung des physikalischen Zustands eines Warmblechs oder Warmbands im Rahmen der Steuerung einer Grobblechwalzstraße zur Bearbeitung eines Warmblechs oder Warmbands
EP1732716B1 (de) Verfahren zum herstellen eines metalls
EP2527053A1 (de) Steuerverfahren für eine Walzstraße
EP2697002B1 (de) Steuerverfahren für eine walzstrasse
EP2162245B1 (de) Walzen eines bandes in einer walzstrasse unter nutzung des letzen gerüsts der walzstrasse als zugverringerer
EP2428288B1 (de) Verfahren zum Herstellen von Stahlbändern durch Endloswalzen oder Semi-Endloswalzen
DE102008011275A1 (de) Betriebsverfahren für eine mehrgerüstige Walzstraße mit Banddickenermittlung anhand der Kontinuitätsgleichung
DE10014813A1 (de) Verfahren und Vorrichtung zum lagegerechten Aufwickeln eines gewalzten Warmbandes in einer Haspelvorrichtung
EP2790846B1 (de) Verfahren zur bearbeitung von walzgut in einem warmwalzwerk
DE19881041B4 (de) Verfahren zur Steuerung und Voreinstellung eines Stahlwerkes oder von Teilen eines Stahlwerkes
DE69913538T2 (de) Verfahren und Vorrichtung zur Planheitsregelung
WO2016041746A1 (de) Breiteneinstellung bei einer fertigstrasse
EP2258492A1 (de) Verfahren zur Herstellung eines Walzguts mittels einer Walzstraße, Steuer- und/oder Regeleinrichtung für eine Walzstraße, Walzanlage zur Herstellung von gewalztem Walzgut, Maschinenlesbarer Programmcode und Speichermedium
EP4061552B1 (de) Verfahren, steuervorrichtung sowie walzanlage zur einstellung einer auslauftemperatur eines aus einer walzstrasse auslaufenden metallbands
EP2353742A1 (de) Warmwalzstraße zum Walzen von Warmband, Verfahren zum Betrieb einer Warmwalzstraße zum Walzen von Warmband, Steuer- und/oder Regeleinrichtung
DE10159608B9 (de) Walzverfahren und Walzstraße für ein Band mit einer Schweißnaht
WO2008040606A1 (de) Verfahren zum betreiben eines steckelwalzwerks

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20100301

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 589095

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130115

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502008008928

Country of ref document: DE

Effective date: 20130214

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: SIEMENS AKTIENGESELLSCHAFT

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130330

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130319

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20121219

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130320

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

REG Reference to a national code

Ref country code: PL

Ref legal event code: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130319

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130419

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130419

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20130809

Year of fee payment: 6

26N No opposition filed

Effective date: 20130920

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502008008928

Country of ref document: DE

Effective date: 20130920

BERE Be: lapsed

Owner name: SIEMENS A.G.

Effective date: 20130930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130905

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130930

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130930

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130905

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130930

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130905

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130905

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 589095

Country of ref document: AT

Kind code of ref document: T

Effective date: 20140905

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121219

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20080905

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130905

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502008008928

Country of ref document: DE

Owner name: PRIMETALS TECHNOLOGIES GERMANY GMBH, DE

Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140905

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20150910

Year of fee payment: 8

Ref country code: PL

Payment date: 20150821

Year of fee payment: 8

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

Owner name: PRIMETALS TECHNOLOGIES GERMANY GMBH, DE

Effective date: 20151105

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20160824

Year of fee payment: 9

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20170531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160905

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20190918

Year of fee payment: 12

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502008008928

Country of ref document: DE

Owner name: PRIMETALS TECHNOLOGIES GERMANY GMBH, DE

Free format text: FORMER OWNER: PRIMETALS TECHNOLOGIES GERMANY GMBH, 91052 ERLANGEN, DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200906

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170905

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240918

Year of fee payment: 17