EP0946312A1 - Procede de deroulement automatique d'un processus de dressage - Google Patents

Procede de deroulement automatique d'un processus de dressage

Info

Publication number
EP0946312A1
EP0946312A1 EP97953842A EP97953842A EP0946312A1 EP 0946312 A1 EP0946312 A1 EP 0946312A1 EP 97953842 A EP97953842 A EP 97953842A EP 97953842 A EP97953842 A EP 97953842A EP 0946312 A1 EP0946312 A1 EP 0946312A1
Authority
EP
European Patent Office
Prior art keywords
straightening
process simulation
adjustable
simulation program
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97953842A
Other languages
German (de)
English (en)
Other versions
EP0946312B1 (fr
Inventor
Wilhelm Guericke
Marcus Paech
Eckehard Albert
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.)
Witels Apparate-Maschinen Albert & Co KG GmbH
Original Assignee
Witels Apparate-Maschinen Albert & Co KG GmbH
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 Witels Apparate-Maschinen Albert & Co KG GmbH filed Critical Witels Apparate-Maschinen Albert & Co KG GmbH
Publication of EP0946312A1 publication Critical patent/EP0946312A1/fr
Application granted granted Critical
Publication of EP0946312B1 publication Critical patent/EP0946312B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B21F1/02—Straightening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers

Definitions

  • the invention relates to a method for the automated guidance of a straightening process for a straightening good, such as sheets, strips, profiles, tubes and in particular for a wire or multi-wire shaped straightening good in a straightening apparatus or in a straightening machine with at least one straightening roller adjustable by an actuator.
  • a straightening good such as sheets, strips, profiles, tubes and in particular for a wire or multi-wire shaped straightening good in a straightening apparatus or in a straightening machine with at least one straightening roller adjustable by an actuator.
  • Non-rotating roller straighteners or straighteners are used to remove curvatures from straightening goods.
  • the straightening rollers which are mutually offset in two rows, relative to one another, in at least one straightening plane, the straightening material experiences changing bends during its passage. These alternate bends should be of such a number and size that the inlet curvatures of the leveling material are eliminated over the entire length of the leveling material.
  • a non-rotating straightening device for bending machines with an integrated measuring device is known from DE 195 03 850 C1.
  • At least one material bending measuring device is arranged in the direction of flow of the material behind at least one straightening unit, in which at least one measuring section is provided for a length of material that is predetermined in length, with at least one mechanical and / or electronic measuring the extent of the bending and the sense of bending along the measuring section and / or an optical scanning device is arranged, with the scanning device generating signals representing the measured bending of the material section, with which an actuator is adjusted accordingly.
  • the measuring device of the known straightening apparatus works on the principle of determining the curvature according to the three-point method, which is only used for cut-to-length straightening goods or for stopped straightening goods, i.e. H. if the target is free of external forces and moments, neglecting gravity, gives correct results. If the curvature of the straightening material to be discharged is not constant over the length of the measuring section, the measurement result is also influenced by the length of the measuring section.
  • the straightening process is interrupted by the necessary stopping of the straightening goods. Stopping and restarting influences the result of the curvature measurements and causes changes that affect the quality of the straightening process. This means that the setting can only be checked by stopping the straightening device again, ie continuous monitoring and regulation while the straightening material is running or during straightening is not possible.
  • the object of the invention is to provide a method which practically enables instantaneous, automatic adjustment of the setting of at least one straightening roller of a straightening apparatus or a straightening machine to continuously measured data of the respective straightening good without stopping the straightening process.
  • the invention is summarized, including advantageous embodiments, the principle of modeling the straightening process to be automated using mathematical-physical laws in a preparatory phase, creating a simulation program and using the simulation program to perform a variation calculation with variation of the product data, in particular the material properties and / or the dimensions of the target.
  • This phase can be regarded as "offline”.
  • the settings required to achieve the desired product quality are made very quickly, including the results of the variation calculation "online" of the straightener or straightener.
  • the change in the setting is objective and determined.
  • the measured product and / or process data are also used to check the model created and the simulation program and, if necessary, to change it.
  • the sense of proportion of the objectivity occurs when the straightener or the straightener is operated. This not only simplifies the process and carries it out automatically, it also increases the quality.
  • Diagram 1 shows an embodiment of the automated process control according to the invention.
  • a process simulation program A with which the straightening process to be automated can be virtually simulated, is created and used.
  • machine data B technological process data C of the intended straightening process
  • material data D of the straightening good and the desired quality S (straightness or flatness, residual stress state over the straightening material cross section, material properties, e.g. a desired yield point and / or an influence on the pronounced yield point) of the straightened product.
  • the process simulation program A is subject to a variation calculation F, in which parameters, for example the geometric dimensions and / or the yield strength of the material to be straightened, are varied.
  • the parameters are preferably varied, to the change of which the straightening apparatus or straightening machine E should react automatically.
  • the parameter variations are to be matched to the specifics of the respective straightening process and / or the straightening apparatus or the straightening machine E.
  • Results of the variation calculation F are product and / or process data and those for Automation necessary target values, ie the necessary employment (s) of the standard role (s) to achieve the desired quality. All calculation results of the variation calculation F are stored in a database H in the form of relationship matrices G.
  • a process calculation model J which uses the relationship matrices G and thus the relationships between the influencing variables and the target variables of the straightening process created in preparation phase I and depending on the recorded production data O from the higher-level material flow or the material tracking system ( MVS) P performs the relationship matrix selection K and the corresponding call.
  • the process calculation model J realizes the calculation and output of the target values, taking into account product and / or process data M determined by measurement technology.
  • H the setpoint L with the help of methods of assessing statistics.
  • these target values correspond to the target values Sw.
  • the current actual values Iw are compared with the target values Sw, the deviations being used to match the two values.
  • the product and / or process data M determined by measurement technology are stored in the form H in the database H. You can contribute to the optimization R of the process simulation model and the process simulation program A in a subsequent preparation phase.
  • a corresponding implementation phase II consists of several operators.
  • an operator for setting or automatically correcting the setting values there is also an operator for basic setting of the Straighteners or the straightening machine immediately before the start of production as well as an operator for measuring value implementation.
  • a thickness measurement is carried out, e.g. B. with the help of laser distance sensors.
  • the thickness value is transferred to the operator of the job.
  • a value for the yield point of the leveling material is received, which either comes from the higher-level material flow or material tracking system P or is determined with the aid of the yield point operator.
  • the yield point operator uses the information content of a relationship matrix G selected and retrieved from the database H and measurement results of the process variable directivity.
  • the yield point determined by the yield point operator is checked for plausibility.
  • the operator of the job can transfer the job setpoints to the basic automation N with the information on the thickness and yield strength of the target material using selected and retrieved relationship matrices G.
  • the invention also makes it possible to use other process parameters for automation and / or to react to fluctuations in other straightening material parameters.
  • the shape curve of the leveling material can be measured in a leveling device or a leveling machine and compared with a simulated shape curve. The results of the comparison make it possible to make detailed statements about the straightening good or the state of the straightening process.
  • the solution shown in diagram 2 has units or values corresponding to the letters in diagram 1, which are therefore not explained further.
  • the process simulation program A which takes into account the metrologically determined product and / or process data M and the acquired production data O, directly passes on the target values L to the basic automation N.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

Procédé de déroulement automatique d'un processus de dressage pour un objet à dresser, tel que des tôles, des feuillards, des profilés et des tuyaux, et en particulier pour un objet de type fil ou de type à fils multiples, dans un appareil ou une machine à dresser doté d'au moins un rouleau à dresser réglable à l'aide d'un actionneur. Selon la présente invention, un modèle de simulation d'un processus de dressage à effectuer et un programme de simulation de processus sont élaborés, ce programme donnant en direct les paramètres de réglage du (des) rouleau(x) de dressage réglable(s). Lors du processus de dressage, des modifications des données concernant le produit, en particulier les propriétés du matériau et/ou les dimensions de l'objet, qui influencent le déroulement du processus de dressage, sont enregistrées, et sur la base de ces modifications sont calculées des données permettant le réglage du (des) rouleau(x) réglable(s). Des signaux destinés au réglage automatique du (des) rouleau(x) de dressage réglable(s) à l'aide d'un ou de plusieurs actionneurs sont alors émis.
EP97953842A 1996-12-20 1997-12-17 Procede de deroulement automatique d'un processus de dressage Expired - Lifetime EP0946312B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19653569 1996-12-20
DE19653569A DE19653569C2 (de) 1996-12-20 1996-12-20 Verfahren zur automatisierten Führung eines Richtprozesses
PCT/EP1997/007092 WO1998028098A1 (fr) 1996-12-20 1997-12-17 Procede de deroulement automatique d'un processus de dressage

Publications (2)

Publication Number Publication Date
EP0946312A1 true EP0946312A1 (fr) 1999-10-06
EP0946312B1 EP0946312B1 (fr) 2001-05-30

Family

ID=7815713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97953842A Expired - Lifetime EP0946312B1 (fr) 1996-12-20 1997-12-17 Procede de deroulement automatique d'un processus de dressage

Country Status (10)

Country Link
US (1) US6438442B1 (fr)
EP (1) EP0946312B1 (fr)
JP (1) JP2001506544A (fr)
AU (1) AU5759398A (fr)
BR (1) BR9713605A (fr)
CA (1) CA2275334A1 (fr)
DE (2) DE19653569C2 (fr)
DK (1) DK0946312T3 (fr)
ES (1) ES2159895T3 (fr)
WO (1) WO1998028098A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107052088A (zh) * 2016-11-03 2017-08-18 陈世雄 金属厚板材全自动液压压力矫形机
WO2018167029A1 (fr) * 2017-03-13 2018-09-20 Sms Group Gmbh Procédé de fonctionnement d'une dresseuse à rouleaux et dresseuse à rouleaux

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DE10115047B4 (de) * 2001-03-27 2010-01-28 Robert Bosch Gmbh Verfahren und Vorrichtung zum Herstellen gebogener Federbandabschnitte
DE102004056921A1 (de) 2004-11-25 2006-06-01 Kamax-Werke Rudolf Kellermann Gmbh & Co. Kg Verfahren und Vorrichtung zum Präzisionsrollen von rotationssymmetrischen Bauteilen
DE102007062104B4 (de) * 2007-12-21 2013-06-27 Data M Sheet Metal Solutions Gmbh Vorrichtung für einen Rollformer zum Profilieren eines Blechbandes und dazugehöriges Verfahren
DE102010049648A1 (de) * 2010-10-28 2012-05-03 Maschinenfabrik - Fr. W. Schnutz Gmbh & Co. Kg Verfahren und Vorrichtung zum Planrichten von Lochblechen
DE102011004167B4 (de) 2011-02-15 2015-05-13 Institut Dr. Foerster Gmbh & Co. Kg Verfahren und Vorrichtung zum automatisierten Richten von langgestrecktem Material
CN102228914B (zh) * 2011-05-04 2012-11-07 南京钢铁股份有限公司 一种矫直机的辊缝定位方法
CN102784815B (zh) * 2011-05-19 2014-11-05 宝山钢铁股份有限公司 钢板冷矫直机来料长度方向板形的分类处理方法
AU2012298246A1 (en) * 2011-08-22 2014-04-10 Zimco Group (Proprietary) Limited Straightening apparatus
DE102014205900A1 (de) * 2014-03-28 2015-10-01 Sms Group Gmbh Verfahren zum Anstellen einer Richtwalze einer Richtwalzanlage
CA2986676C (fr) 2017-11-24 2020-01-07 Bombardier Transportation Gmbh Methode de redressement automatise d'assemblages soudes
EP3873687A1 (fr) * 2018-10-31 2021-09-08 Schleuniger AG Dispositif de redressage destiné à une machine de traitement de câble et procédé de fonctionnement d'une machine de redressage
AT522234B1 (de) 2019-02-28 2022-05-15 Evg Entwicklungs U Verwertungs Ges M B H Verfahren und Vorrichtung zum Geraderichten von Draht oder Bandmaterial
CN114273463B (zh) * 2020-09-27 2024-03-08 宝山钢铁股份有限公司 钢板自动多道次矫直方法
AT524979A1 (de) * 2021-04-27 2022-11-15 Evg Entwicklungs U Verwertungs Ges M B H Drahtrichtmaschine und Verfahren zum Geraderichten von Draht oder Bandmaterial
CN113976665B (zh) * 2021-09-30 2024-06-11 江苏联峰实业有限公司 一种中小棒矫直工序物料跟踪系统及方法
CN116550797B (zh) * 2023-07-12 2023-11-03 太仓庄正数控设备有限公司 游标卡尺扭矫机控制方法及系统

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107052088A (zh) * 2016-11-03 2017-08-18 陈世雄 金属厚板材全自动液压压力矫形机
WO2018167029A1 (fr) * 2017-03-13 2018-09-20 Sms Group Gmbh Procédé de fonctionnement d'une dresseuse à rouleaux et dresseuse à rouleaux
CN110402172A (zh) * 2017-03-13 2019-11-01 Sms集团有限公司 用于运行辊式矫直机的方法和辊式矫直机
CN110402172B (zh) * 2017-03-13 2022-02-25 Sms集团有限公司 用于运行辊式矫直机的方法和辊式矫直机

Also Published As

Publication number Publication date
DK0946312T3 (da) 2001-09-24
WO1998028098A1 (fr) 1998-07-02
DE19653569A1 (de) 1998-07-02
US6438442B1 (en) 2002-08-20
CA2275334A1 (en) 1998-07-02
AU5759398A (en) 1998-07-17
DE19653569C2 (de) 1999-07-22
JP2001506544A (ja) 2001-05-22
BR9713605A (pt) 2000-04-04
EP0946312B1 (fr) 2001-05-30
DE59703697D1 (de) 2001-07-05
ES2159895T3 (es) 2001-10-16

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