EP2258492A1 - Procédé de fabrication d'un produit de laminage à l'aide d'une chaîne de laminage, dispositif de commande et/ou de réglage d'une chaîne de laminage, installation de laminage destinée à la fabrication de produits de laminage laminés, code de programme lisible sur machine et support de stockage - Google Patents

Procédé de fabrication d'un produit de laminage à l'aide d'une chaîne de laminage, dispositif de commande et/ou de réglage d'une chaîne de laminage, installation de laminage destinée à la fabrication de produits de laminage laminés, code de programme lisible sur machine et support de stockage Download PDF

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Publication number
EP2258492A1
EP2258492A1 EP09161665A EP09161665A EP2258492A1 EP 2258492 A1 EP2258492 A1 EP 2258492A1 EP 09161665 A EP09161665 A EP 09161665A EP 09161665 A EP09161665 A EP 09161665A EP 2258492 A1 EP2258492 A1 EP 2258492A1
Authority
EP
European Patent Office
Prior art keywords
rolling
rolling stock
stock
detected
control
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Withdrawn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
EP09161665A
Other languages
German (de)
English (en)
Inventor
Andreas Maierhofer
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 EP09161665A priority Critical patent/EP2258492A1/fr
Publication of EP2258492A1 publication Critical patent/EP2258492A1/fr
Withdrawn legal-status Critical Current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
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/04—Lateral deviation, meandering, camber of product
    • 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
    • B21B2273/08—Threading-in or before threading-in
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/38—Control of flatness or profile during rolling of strip, sheets or plates using roll bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/40—Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls
    • 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
    • B21B37/58—Roll-force control; Roll-gap control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/06—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring tension or compression

Definitions

  • the invention relates to a method for producing a rolling stock by means of a rolling train, wherein the rolling mill comprises at least one rolling stand, which is controlled and / or regulated on the basis of a detected rolling stock parameter and / or a detected rolling stock of the rolling stock. Furthermore, the invention relates to a control and / or regulating device for a rolling mill, a rolling mill for the production of rolled rolling, a machine-readable program code and a storage medium.
  • the invention has for its object to produce less Walzgutausschuss in rolling processes.
  • the object is achieved by a method for producing a rolling stock by means of a rolling train, wherein the rolling mill comprises at least one rolling mill, which is controlled and / or regulated on the basis of a detected rolling stock parameter, in particular the strip flatness, and / or a detected rolling stock of the rolling stock, wherein the Walzgutparameter and / or the detected rolling stock is detected without contact during a tension-free state of the rolling stock and during a state in which the rolling stock has a non-zero tensile stress, contact is detected.
  • the method according to the invention thus provides a possibility to carry out a targeted control of a rolling mill already in draft-free condition, in particular with regard to the strip flatness and / or the strip position. As a result, tolerances of the tape are better respected, resulting in less waste is produced. Thus, the system is operated more economically.
  • Walzgutparameter are parameters that describe the rolling stock itself.
  • suitable rolling stock parameters are: the flatness of the rolling stock, the profile of the rolling stock.
  • further rolling parameters can be used, such as thickness, surface finish, etc ..
  • a tension-free state of the rolling stock is when a rolling mill, in particular the measuring range of the detection devices, continuous part of the rolling stock, in particular band, has no tension in the transport direction of the tape, i. the tension is zero.
  • This is usually the case when the beginning of the strip and / or the end of the strip passes through the rolling train.
  • the rolling stock parameter and / or the strip position is detected contactlessly and the rolling gap is set on the basis of these measured values.
  • the roll gap in these boundary conditions is merely set to suspect or preset, without current readings are present. This leads to the production of a band whose beginning is only "more or less" flat.
  • the setting "suspected" is often done manually, i. by operating personnel, or by means of computer models. By this type of roll gap adjustment is increasingly produced Walzgutausschuss, which can be significantly reduced by the invention.
  • the contact-based measurement of the rolling stock parameter can be carried out. This is usually more accurate than the contactless measurement of the rolling stock parameter, especially in the presence of tensile stress. As a result, the quality of the outlet product from the rolling mill is further increased.
  • the non-contact detection and the contact-based detection are suitable to detect at least one rolling stock parameter and / or the rolling stock, the or also of each other detection device is detected. That is, in a tension-free state, for example, first a first rolling stock parameter is detected without contact. Subsequently, the same first rolling stock parameter is detected by contact.
  • the devices for contactless and contact-related detection of rolling stock parameters are thus designed in such a way that at least one rolling stock parameter that can be detected by both devices, for example the strip flatness, can be detected.
  • the method is applicable to hot rolling and cold rolling, wherein a rolling train comprises at least one rolling stand, in particular a plurality of rolling stands.
  • the non-contact and the contact-based measuring device may be arranged downstream of the last rolling stand of the rolling mill, be upstream of the rolling mill, or be arranged between the rolling stands of the rolling mill, provided that this comprises a plurality of rolling stands.
  • the arrangement of the measuring devices within the rolling train depends on the circumstances under which they are to be used.
  • the invention can be used particularly advantageously when threading.
  • at least two measuring devices are provided, one for contactless detection and one for contact-based detection.
  • these are arranged downstream of the last roll stand of the rolling train in the mass flow direction.
  • additional additional measuring devices can be provided.
  • the non-contact detection of the rolling stock parameter and / or the rolling stock takes place by means of electromagnetic waves, in particular in the visible spectral range.
  • electromagnetic waves in particular in the visible spectral range.
  • Such devices are known, for example. From EP 1 418 400 A2 , Such devices allow a flatness measurement in the tension-free state of the band, so that the advantages of the invention can be realized.
  • the contact-related detection of the rolling stock parameter and / or the rolling stock takes place by means of a measuring roller, in particular a segmented measuring roller.
  • a measuring roller in particular a segmented measuring roller.
  • Such measuring rollers are known, for example.
  • Off DE 19 83 84 57 A1 the flatness of a belt under tension can be detected with high accuracy.
  • Such accuracy for a rolling stock parameter to be detected, in particular flatness is as a rule not yet achieved by means of the contactless detection currently available above.
  • a transition from a contactless detection to a contact-based detection takes place as soon as the tensile stress of the rolling stock reaches a first predetermined desired tensile stress.
  • the predefinable desired tensile stress may, for example, be 20% of the nominal tensile stress which the band has during stationary operation of the system.
  • any other desired tensile stresses which are suitable for measuring a rolling stock parameter and / or a rolling stock under tension may also be specified by the person skilled in the art.
  • a transition from a contact-based detection to a contactless detection takes place as soon as the tensile stress of the rolling stock reaches a second predetermined target tensile stress.
  • a tensile stress of the tape is broken down, whereby a change in the detection method is necessary.
  • the first and the second predefinable value for the desired tensile stress may be identical or different from each other.
  • an inclined position and / or a roll bending and / or a displacement position of at least one roll comprised by the at least one roll stand is controlled and / or regulated on the basis of the detected rolling stock parameters and / or the rolling stock.
  • the desired belt parameters can be influenced in such a way that a desired outlet product is produced.
  • control and / or regulating device for a rolling mill for the production of rolled rolling stock, with a machine-readable program code having control commands, which in their execution, the control and / or regulating device for performing the method according to one of the claims 1 to 6 cause.
  • a rolling mill for the production of rolled rolled stock having a rolling train which comprises at least one controllable and / or controllable rolling stand, with a device for contacting at least one rolling stock parameter and / or a rolling stock, with a device for contactless Detecting at least the rolling stock parameter and / or the rolling stock, with a control and / or regulating device according to claim 7, wherein the rolling train, the contact-based detection device and the contactless detection device are operatively connected to the control and / or regulating device.
  • the object is achieved by a machine-readable program code for a control and / or regulating device for a rolling mill, wherein the program code has control commands that cause the control and / or regulating device for carrying out the method according to one of claims 1 to 6.
  • the object is likewise achieved by a storage medium with a machine-readable program code stored thereon according to claim 9.
  • FIG. 1 shows a section of a rolling mill, comprising a rolling mill 1, in particular a cold rolling tandem mill. This includes in the exemplary embodiment two rolling stands, wherein in FIG. 1 only the last rolling stand 2 of the tandem mill 1 is shown.
  • FIG. 1 shows a threading during cold rolling, wherein the tape head of the belt G is still free, and on a reel 9, see. FIG. 2 , tapped.
  • the tape head has according to FIG. 1 the last rolling stand 2 already happened. However, the band G is not yet under train after the last rolling stand 2.
  • a tension applied to the band G is preferably detected and evaluated. As a result, it can be determined whether and which parts of the belt G are already under tension.
  • a device 3 for contactless detection of the band flatness is arranged in the embodiment as a camera system which detects electromagnetic waves, in particular light, the flatness of the tape and / or the band position after the last mill stand 2.
  • the camera 3 is arranged above the belt G and detects from this position the belt surface facing the camera 3.
  • a device 4 to the contact Collection of the band flatness is arranged.
  • This is formed in the embodiment as a segmented measuring roller 4, over which the belt G is guided.
  • Such measuring rollers 4 are known and can be used when a belt is under tension.
  • FIG. 1 a control and / or regulating device 5 by means of which the rolling train 1, in particular the last rolling stand 2 of the tandem rolling mill 1, is controlled or regulated.
  • a machine-readable program code 7 was stored in a programmable manner on the control and / or regulating device 5, which comprises control commands which, when executed, cause the control and / or regulating device 5 to carry out an embodiment of the method according to the invention.
  • the machine-readable program code 7 can be transmitted, for example, by means of a storage medium 6 to the control and / or regulating device 5.
  • a deposit of the program code 7 can also take place by means of a network to which the control and / or regulating device 5 is connected.
  • the tape head runs on the reel 9, cf. FIG. 2 , too.
  • measured values for flatness are not yet available in known systems since contact-based measurements by means of segmented measuring rollers are generally only possible if the strip tension is present.
  • the rolling train 1, in particular the last rolling stand 2 is controlled or regulated during threading either manually or on the basis of computer models.
  • the invention makes it possible already during threading in still tension-free state of the belt G, a flatness measurement and / or measurement of the tape position by means of a contactless detection.
  • the measuring roller 4 is inactive during threading.
  • the flatness of the belt G and / or the course of the belt in a tension-free state is determined by means of the camera 3. This can be done by an integrated into the camera 3 evaluation or in a separate evaluation. In particular, the evaluation device can also be integrated into the control and / or regulating device 5.
  • An influencing of the flatness and / or the band position can take place, for example, in the shown four-high rolling stand by the bending of the work rolls, the skew of the work rolls, and / or by a displacement of work rolls.
  • a switchover of the contactless measurement by means of the camera 3 to the contact-type measurement by means of the measuring roller 4 can take place.
  • a corresponding threshold can be specified, when it reaches or exceeds a change in the detection of the band flatness and / or the band position of a contactless detection on a contact-based detection takes place.
  • 20% of the nominal tension value in stationary operation has proven to be an appropriate threshold value.
  • the tape head is already reeled on the reel 9.
  • the belt G is in the measuring range for the flatness measurement and / or the tape position measurement under train.
  • the camera 3 for non-contact detection of the flatness and / or the band position is inactive.
  • the band flatness and / or the band position is detected by means of the measuring roller 4.
  • manipulated variables for the actuators of the rolling train 1, in particular of the last rolling mill 2 are determined by means of the control and / or regulating device 5.
  • the quality of the outlet product can be kept constant high.
  • a contact-type measurement may be continuous, i. even while the band is under train done. Thereby, for example, measurement results of the measuring roller 4, e.g. with regard to the recorded band position, be controlled and verified. In this case, only the contact-type measurement is then switched on or off as a function of the present strip tension while the contactless measurement is independent of the strip tension, that is, for example, constantly.
  • the setting of the actuators based on the contact-type measurement can be carried out for a plurality of rolling stands 2 of the rolling train 1, provided that a rolling mill comprises a plurality of rolling stands.
  • the device 3 which detects the rolling stock parameters and / or the rolling stock without contact does indeed deliver data at a time when the measuring roll 4 can not yet provide any data.
  • the accuracy of the measuring roller 4 is much higher than that of the camera 3. However, this requires that the belt G is under tension.
  • the invention is applicable in an analogous manner for the unthreading of a metal strip from a rolling mill.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
EP09161665A 2009-06-02 2009-06-02 Procédé de fabrication d'un produit de laminage à l'aide d'une chaîne de laminage, dispositif de commande et/ou de réglage d'une chaîne de laminage, installation de laminage destinée à la fabrication de produits de laminage laminés, code de programme lisible sur machine et support de stockage Withdrawn EP2258492A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09161665A EP2258492A1 (fr) 2009-06-02 2009-06-02 Procédé de fabrication d'un produit de laminage à l'aide d'une chaîne de laminage, dispositif de commande et/ou de réglage d'une chaîne de laminage, installation de laminage destinée à la fabrication de produits de laminage laminés, code de programme lisible sur machine et support de stockage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09161665A EP2258492A1 (fr) 2009-06-02 2009-06-02 Procédé de fabrication d'un produit de laminage à l'aide d'une chaîne de laminage, dispositif de commande et/ou de réglage d'une chaîne de laminage, installation de laminage destinée à la fabrication de produits de laminage laminés, code de programme lisible sur machine et support de stockage

Publications (1)

Publication Number Publication Date
EP2258492A1 true EP2258492A1 (fr) 2010-12-08

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EP09161665A Withdrawn EP2258492A1 (fr) 2009-06-02 2009-06-02 Procédé de fabrication d'un produit de laminage à l'aide d'une chaîne de laminage, dispositif de commande et/ou de réglage d'une chaîne de laminage, installation de laminage destinée à la fabrication de produits de laminage laminés, code de programme lisible sur machine et support de stockage

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EP (1) EP2258492A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3138639A1 (fr) 2015-09-03 2017-03-08 SMS group GmbH Procede de production d'une bande metallique par laminage en continu
DE102015223600A1 (de) 2015-09-03 2017-03-09 Sms Group Gmbh Verfahren zum Herstellen eines metallischen Bandes durch Endloswalzen
CN107185970A (zh) * 2017-06-07 2017-09-22 燕山大学 一种接触式可测温板形检测装置
EP3715000A1 (fr) * 2019-03-27 2020-09-30 Primetals Technologies Austria GmbH Procédé permettant d'éviter les ondulations lors du laminage des bandes métalliques
EP4151325A1 (fr) * 2021-09-16 2023-03-22 Primetals Technologies Germany GmbH Détection de la planéité d'un produit laminé plat

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56117812A (en) * 1980-02-20 1981-09-16 Ishikawajima Harima Heavy Ind Co Ltd Shape controller
EP0367500A2 (fr) * 1988-11-03 1990-05-09 DAVY McKEE (SHEFFIELD) LIMITED Laminage à chand de bande métallique
EP0864847A2 (fr) * 1997-03-11 1998-09-16 BETRIEBSFORSCHUNGSINSTITUT VDEh, INSTITUT FÜR ANGEWANDTE FORSCHUNG GmbH Système de mesure de la planéité d'une feuille métallique
DE19838457A1 (de) 1998-08-25 2000-03-02 Betr Forsch Inst Angew Forsch Meßrolle zum Feststellen von Planheitsabweichungen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56117812A (en) * 1980-02-20 1981-09-16 Ishikawajima Harima Heavy Ind Co Ltd Shape controller
EP0367500A2 (fr) * 1988-11-03 1990-05-09 DAVY McKEE (SHEFFIELD) LIMITED Laminage à chand de bande métallique
EP0864847A2 (fr) * 1997-03-11 1998-09-16 BETRIEBSFORSCHUNGSINSTITUT VDEh, INSTITUT FÜR ANGEWANDTE FORSCHUNG GmbH Système de mesure de la planéité d'une feuille métallique
EP1418400A2 (fr) 1997-03-11 2004-05-12 BETRIEBSFORSCHUNGSINSTITUT VDEh, INSTITUT FÜR ANGEWANDTE FORSCHUNG GmbH Système de mesure de la planéité d' une feuille metallique
DE19838457A1 (de) 1998-08-25 2000-03-02 Betr Forsch Inst Angew Forsch Meßrolle zum Feststellen von Planheitsabweichungen

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3138639A1 (fr) 2015-09-03 2017-03-08 SMS group GmbH Procede de production d'une bande metallique par laminage en continu
DE102015223600A1 (de) 2015-09-03 2017-03-09 Sms Group Gmbh Verfahren zum Herstellen eines metallischen Bandes durch Endloswalzen
CN107185970A (zh) * 2017-06-07 2017-09-22 燕山大学 一种接触式可测温板形检测装置
EP3715000A1 (fr) * 2019-03-27 2020-09-30 Primetals Technologies Austria GmbH Procédé permettant d'éviter les ondulations lors du laminage des bandes métalliques
WO2020193099A1 (fr) * 2019-03-27 2020-10-01 Primetals Technologies Austria GmbH Prévention de la formation d'ondes lors du laminage de bandes métalliques
CN113646102A (zh) * 2019-03-27 2021-11-12 普锐特冶金技术奥地利有限公司 在轧制金属带时避免卷曲
CN113646102B (zh) * 2019-03-27 2023-08-11 普锐特冶金技术奥地利有限公司 在轧制金属带时避免卷曲
US11858021B2 (en) 2019-03-27 2024-01-02 Primetals Technologies Austria GmbH Preventing undulations when rolling metal strips
EP4151325A1 (fr) * 2021-09-16 2023-03-22 Primetals Technologies Germany GmbH Détection de la planéité d'un produit laminé plat
WO2023041253A1 (fr) 2021-09-16 2023-03-23 Primetals Technologies Germany Gmbh Identification efficace de planéité dans un matériau de laminage plan

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