EP1260895B1 - Procédé et dispositif pour la liaison des données entre des étapes de production - Google Patents

Procédé et dispositif pour la liaison des données entre des étapes de production Download PDF

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Publication number
EP1260895B1
EP1260895B1 EP02009423A EP02009423A EP1260895B1 EP 1260895 B1 EP1260895 B1 EP 1260895B1 EP 02009423 A EP02009423 A EP 02009423A EP 02009423 A EP02009423 A EP 02009423A EP 1260895 B1 EP1260895 B1 EP 1260895B1
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EP
European Patent Office
Prior art keywords
production
projection
stage
data
product
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.)
Revoked
Application number
EP02009423A
Other languages
German (de)
English (en)
Other versions
EP1260895A3 (fr
EP1260895A2 (fr
Inventor
Siegfried Keplinger
Josef Scheidl
Peter Angermayer
Wolfgang Fuchs
Heinz Forsthuber
Johann Linskeseder
Josef Guggenberger
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 VAI METALS Technologies GmbH
Original Assignee
Siemens VAI Metals Technologies GmbH and Co
Siemens VAI Metals Technologies GmbH Austria
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Filing date
Publication date
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Application filed by Siemens VAI Metals Technologies GmbH and Co, Siemens VAI Metals Technologies GmbH Austria filed Critical Siemens VAI Metals Technologies GmbH and Co
Publication of EP1260895A2 publication Critical patent/EP1260895A2/fr
Publication of EP1260895A3 publication Critical patent/EP1260895A3/fr
Application granted granted Critical
Publication of EP1260895B1 publication Critical patent/EP1260895B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • 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
    • 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
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B21B2015/0014—Cutting or shearing the product transversely to the rolling direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0057—Coiling the rolled product

Definitions

  • the subject invention relates to a method for cross-production cross-linking of data continuously or quasi-continuously producible products or a production plant for continuous products, especially rolled products, consisting of several successive production stages, and an associated device and a use of this device in a plant for the production of metal products ,
  • the US 5 740 686 A describes a method for rolling a strip in a roughing mill and a subsequent fine rolling mill. At this time, the rolling process of the rough rolling mill is adjusted as a function of estimates of the bandwidth change in the fine rolling mill to obtain a desired width after the finishing mill. In this way, the recorded data from two production stages are linked together via a cross-production-level projection. In this case, a type of feedback of data is carried out by feeding back data from a roughing train to the upstream fine rolling train in order to adapt it.
  • a method for process-optimized setting of parameters of a production process is to be taken.
  • Process data is recorded as a function of time, as well as production data are recorded. Subsequently, the two data sets are examined for existing correlations in order to be able to determine dependencies of the production data on the process data.
  • the subject invention therefore has the object of specifying a method and a device with which information about the current quality level of the product and the production process can be given in the simplest possible way across production stages and, moreover, the cause in the production history can be searched for an identified error can.
  • the object of the invention is achieved by means of the method according to claim 1 and the device according to claim 12 according to the invention.
  • the data is recorded in a situation-related manner and linked together via a production-level projection over two or more production stages, whereby the situational reference of the data is retained.
  • the data of the individual stages of production can be brought together in a particularly simple manner when they are recorded, stored and projected in a situation-related manner.
  • the data are thus uniquely assigned to a specific location and can thus be reconstructed via the location.
  • each position-related date of an earlier production stage By clearly mapping each position-related date of an earlier production stage to a specific instantaneous position of the current production stage or of the end product by the projection, it can be ensured that the positional relationships of individual production stages are not lost, but only converted into "new" situation references. As a result, an allocation of the measured values to certain positions across production stages can be guaranteed. Since the data are stored in an advantageous manner, the projection of each position-related date of the current production stage or the final product can also be clearly mapped to a specific location of an earlier production stage. This makes it possible to relate to detected errors of an intermediate or end product certain production conditions in previous production stages in relation and thus perform a first cross-production error search.
  • the method it is advantageous to consider the swapping of the beginning and end of the continuous product by the unwinding and winding and / or redirecting of the product during the production processes by the projection. Furthermore, it is advantageous to take into account the swapping of the left and right sides of the continuous product by unwinding and winding and / or redirecting the product during the production processes through the projection. It is equally advantageous to swap the top and bottom of the continuous product by unwinding and winding and / or diverting the product during the production processes by the projection and stitching of continuous products and dividing into several continuous products during the production processes to consider the projection.
  • the method can be integrated particularly advantageously into regulation by a downstream production stage responding to the projected data of earlier production processes in order to improve the quality of the product.
  • the projected data can thus be analyzed before entering a production stage and the production conditions can be automatically adjusted in one of the next production stages in order, for example, to remedy certain errors or to prevent the expansion of certain errors.
  • the method allows to carry out an error search by tracing errors or quality defects on the final product or on an intermediate product, by a backward projection until their formation.
  • This makes it possible by an analysis of the production plant, advantageously using appropriate tools, such as.
  • Computer programs to specifically improve the production conditions of the production plant or individual stages of production in order to avoid certain error patterns in the end product or on an intermediate product. This leads with a much lower cost and a much better accuracy as possible until now, to a significant improvement in the achievable quality of the product.
  • a regulation can be significantly improved if detected defects or quality defects in the end product are related to production conditions in previous production stages, the information thus obtained is fed to a control of a production stage and / or the production plant and the control is adapted such that these errors or quality defects can be avoided in the future.
  • the subsequent adaptation of the regulation based on the findings of a corresponding analysis, it is possible to prevent certain errors from recurring, which leads to an additional improvement in the achievable quality of the product.
  • the projection unit is constructed in a particularly simple and effective manner as a computer-aided system, and the projection is carried out by a computer program that can be run in the computer-aided system.
  • the relevant measurement data is captured by the system.
  • the detection either takes place automatically via corresponding measuring sensors (mainly segment data) or manually by corresponding personnel (mainly inspection data).
  • control information such as top / bottom unwinding, top / bottom unwinding, good side definition at inspection, definition of cutoffs, etc., and possibly certain production conditions of production stages such as the amount of supplied cooling water are detected.
  • the measurement data as well as the control information and production conditions are collected and stored, for example in a central computer system, and fed to a projection unit, for example a central computer system.
  • the position information of all measured data of the previous production stages are projected onto the current standard state in the warehouse and possibly stored for the associated production stage, for example in a central computer system.
  • the projection takes place on the basis of the changes in position of the stored or acquired measured data described in points a) to e) and the stored or acquired control information.
  • the list a) to e) is not exhaustive, but merely exemplary. All quality-relevant measurement data are therefore available immediately after each production stage, ie in particular, of course, after the completion of production for the end product with the correct positional reference for each produced strip. Thus, the history of the measurement data and the bands from the beginning of production to the end product is precisely recorded and documented. In order to present the projection clearly in an example, for the time being only the band elongation of segment data and wrapping processes are considered. In Fig.
  • the segment data from 0 to 40m, where the scrap S is not projected in a meaningful way, are projected by the stretching and wrapping operations to the position 400 to 500m.
  • a galvanizing stage in which the band length remains the same.
  • this starting position can also be due to a band other than the current band. It is therefore possible to determine in particular in which production stage under which production conditions this error has arisen. This information can be derived, which allow to improve the entire production process and thus to increase the quality of the final product.
  • the separation and stitching of bands is considered in a forward and a backward projection.
  • a band B1 will be released in Fig. 12 in a production stage at one point, here 250m from the end, separated and stapled together one half of the original tape B1 with a second tape B2.
  • the positional relationships of the measurement data in the range of 200 to 300 m at the band B1 change to 200 to 250 m at the band B3 resulting from the separation and to 0 to 50 m at the band B4 resulting from the separation and the stitching.
  • the separation not only changes the situation references, but also the assignment of the measurement data to bands. It is therefore necessary to record the history of the measurement data not only in relation to location, but also with regard to the different bands.
  • An end product thus also contains the information from which bands it originated. This is especially important in the case of backward projection (debugging), where a specific area of a band is to be traced back to its origins.
  • Fig. 12 also shows by way of example the backward projection of a range of 200 to 300m of the band B4. From the stored information on this band B4, this range can be traced to the range 450 to 500m of band B1 and 0 to 50m of band B2. This area 200 to 300m of the band B4 is thus made of a stitching of two Bands emerged. By means of the data for the bands B1 and B2, the history of these areas in sequence can be traced even further.
  • position on the product or with elongation or shortening of the product not only includes a position or an elongation or shortening in the longitudinal direction, but of course also in the width and the thickness of the product.
  • This projection can also be advantageously integrated into a regulation of the entire production process or individual production stages. Namely, if certain defects in the final product are associated with particular production conditions, which is possible by the backward projection and the stored data, the control can be adapted to avoid this production condition, resulting in high quality products.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Factory Administration (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Claims (12)

  1. Procédé d'association de données provenant de différentes étapes de production de produits fabriqués en continu ou de manière quasi continue ou d'une installation de production de produits fabriqués en continu ou de manière quasi continue, en particulier de produits de laminage, laquelle installation est constituée de plusieurs étages de production raccordés les uns à la suite des autres,
    caractérisé en ce que
    des données de mesure et des informations de commande sont saisies dans chaque étage de production,
    en ce qu'après chaque étage de production, les informations d'état de toutes les données de mesure de cet étage de production sont projetées sur l'état normalisé du stockage et
    en ce que cette projection s'effectue sur base de l'état des données de mesure saisies et modifiées par cet étage de production ainsi que sur base des informations de commande.
  2. Procédé selon la revendication 1, caractérisé en ce que l'échange entre le début et la fin du produit continu par déroulement et enroulement et/ou la déviation du produit pendant les étages de production sont pris en compte dans la projection.
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce que l'échange entre le côté gauche et le côté droit du produit continu par déroulement et enroulement et/ou la déviation du produit pendant les étages de production sont pris en compte dans la projection.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'échange entre le côté supérieur et le côté inférieur du produit continu par déroulement et enroulement et/ou la déviation du produit pendant les étages de production sont pris en compte dans la projection.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le rassemblement de produits continus et la division en plusieurs produits continus pendant les étages de production sont pris en compte dans la projection.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que l'enlèvement des mitrailles à l'entrée et/ou à la sortie du produit continu pendant les étages de production est pris en compte dans la projection.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que l'allongement ou le raccourcissement du produit continu pendant les étages de production sont pris en compte dans la projection.
  8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce qu'un étage de production aval réagit en corrigeant les données projetées d'étages de production antérieurs en vue d'améliorer la qualité du produit.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce qu'il exécute une recherche des erreurs en suivant les erreurs ou les défauts de qualité du produit final ou d'un produit intermédiaire par projection arrière jusqu'à leur apparition.
  10. Procédé selon l'une des revendications 1 à 9, caractérisé en ce que les erreurs ou les défauts de qualité détectés dans le produit final sont mis en relation avec les conditions de production dans les étages de production antérieurs, en ce que les informations ainsi obtenues sont apportées à une régulation d'un étage de production et/ou de l'installation de production et en ce que la régulation est adaptée manuellement et/ou automatiquement de manière à permettre d'éviter à l'avenir ces erreurs ou défauts de qualité.
  11. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que l'historique de production du produit final est conservé en mémoire et peut être récupéré en cas de besoin.
  12. Dispositif d'association de données provenant de différents étages de production de produits fabriqués en continu ou de manière quasi continue ou d'une installation de production de produits fabriqués en continu ou de manière quasi continue, en particulier de produits de laminage, laquelle installation est constituée de plusieurs étages de production raccordés les uns à la suite des autres,
    caractérisé en ce que
    chaque étage de production présente des moyens de saisie de données de mesure et d'informations de commande et
    en ce qu'après chaque étage de production, le dispositif présente des moyens de projection des informations d'état de toutes les données de mesure de cet étage de production sur l'état normalisé du stockage, cette projection ayant lieu sur base de l'état modifié des données de mesure saisies dans cet étage de production ainsi que sur base des informations de commande.
EP02009423A 2001-05-10 2002-04-25 Procédé et dispositif pour la liaison des données entre des étapes de production Revoked EP1260895B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0074401A AT413609B (de) 2001-05-10 2001-05-10 Verfahren und vorrichtung zur produktionsstufenübergreifenden verknüpfung von daten
AT7442001 2001-05-10

Publications (3)

Publication Number Publication Date
EP1260895A2 EP1260895A2 (fr) 2002-11-27
EP1260895A3 EP1260895A3 (fr) 2003-11-26
EP1260895B1 true EP1260895B1 (fr) 2010-06-02

Family

ID=3680285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02009423A Revoked EP1260895B1 (fr) 2001-05-10 2002-04-25 Procédé et dispositif pour la liaison des données entre des étapes de production

Country Status (3)

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EP (1) EP1260895B1 (fr)
AT (2) AT413609B (fr)
DE (1) DE50214462D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005084844A1 (fr) 2004-03-04 2005-09-15 Parsytec Computer Gmbh Procede de preparation de donnees de surface, procede et dispositif d'evaluation de qualite et de gestion de qualite d'un materiau en bande
DE102006006733B3 (de) * 2006-02-13 2007-08-23 Iba Ag Verfahren und Vorrichtung zur Identifizierung eines Teilstücks eines Halbzeugs
DE102015213709B4 (de) * 2015-07-21 2017-09-21 Achenbach Buschhütten GmbH & Co. KG Verfahren zur Bereitstellung eines längenbezogenen Materialbahndatensatzes einer zu einem Coil gewickelten Materialbahn
DE102018202856B4 (de) * 2018-02-26 2023-02-16 Audi Ag Metallband für die Fertigung eines Bauteils und Verfahren zum Fertigen eines Bauteils aus einem Metallband
DE102019119989A1 (de) * 2019-07-24 2021-01-28 Aktien-Gesellschaft der Dillinger Hüttenwerke Vorrichtung und Verfahren zur Überwachung und/oder Steuerung eines industriellen Verfahrens zur Herstellung eines Stahlerzeugnisses
DE102020214677A1 (de) * 2020-11-23 2022-05-25 Sms Group Gmbh System, Verfahren und Computerprogramm zur Datenerfassung in und Optimierung von mehreren voneinander abhängigen Herstellungsprozessen innerhalb einer metallurgischen Prozesskette, insbesondere von Herstellungsprozessen zur Herstellung von Metallbändern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919113A (ja) * 1982-07-22 1984-01-31 Ishikawajima Harima Heavy Ind Co Ltd カレンダ加工における品質デ−タの処理方法
DE19522494C2 (de) * 1994-07-07 1997-06-19 Siemens Ag Verfahren zum Walzen eines Metallbandes
US5787746A (en) * 1994-07-25 1998-08-04 Alcan Aluminum Corporation Multi-stand hot rolling mill tension and strip temperature multivariable controller
DE19618995C2 (de) * 1996-05-10 2002-01-10 Siemens Ag Verfahren und Einrichtung zur Beeinflussung relevanter Güteparameter, insbesondere des Profils oder der Planheit eines Walzbandes
DE19625442B4 (de) * 1996-06-26 2005-02-03 Siemens Ag Verfahren und Einrichtung zur Verringerung der Kantenanschärfung eines Walzbandes
AT408623B (de) * 1996-10-30 2002-01-25 Voest Alpine Ind Anlagen Verfahren zur überwachung und steuerung der qualität von walzprodukten aus warmwalzprozessen
DE19930173A1 (de) * 1999-06-30 2001-01-04 Parsytec Comp Gmbh Verfahren und Vorrichtung zur prozeßoptimierenden Einstellung von Parametern eines Produktionsprozesses

Also Published As

Publication number Publication date
DE50214462D1 (de) 2010-07-15
EP1260895A3 (fr) 2003-11-26
EP1260895A2 (fr) 2002-11-27
ATA7442001A (de) 2005-08-15
ATE470180T1 (de) 2010-06-15
AT413609B (de) 2006-04-15

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