EP1245302B1 - Machine de profilage avec plusieurs stations de formage arrangées en ligne - Google Patents

Machine de profilage avec plusieurs stations de formage arrangées en ligne Download PDF

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Publication number
EP1245302B1
EP1245302B1 EP01107591A EP01107591A EP1245302B1 EP 1245302 B1 EP1245302 B1 EP 1245302B1 EP 01107591 A EP01107591 A EP 01107591A EP 01107591 A EP01107591 A EP 01107591A EP 1245302 B1 EP1245302 B1 EP 1245302B1
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EP
European Patent Office
Prior art keywords
workpiece
profiling machine
data
data processing
processing unit
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.)
Expired - Lifetime
Application number
EP01107591A
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German (de)
English (en)
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EP1245302A1 (fr
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.)
Dreistern Werk Maschinenbau GmbH and Co KG
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Dreistern Werk Maschinenbau GmbH and Co KG
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Application filed by Dreistern Werk Maschinenbau GmbH and Co KG filed Critical Dreistern Werk Maschinenbau GmbH and Co KG
Priority to DK01107591T priority Critical patent/DK1245302T3/da
Priority to DE50104595T priority patent/DE50104595D1/de
Priority to EP01107591A priority patent/EP1245302B1/fr
Priority to AT01107591T priority patent/ATE283123T1/de
Priority to ES01107591T priority patent/ES2232535T3/es
Publication of EP1245302A1 publication Critical patent/EP1245302A1/fr
Application granted granted Critical
Publication of EP1245302B1 publication Critical patent/EP1245302B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers

Definitions

  • the invention relates to a profiling machine with several, in line one behind the other arranged forming stations for multi-stage forming a to be profiled Workpiece, the forming stations with tool bearings, their position adjustable and interacting in pairs Roll forming tools are provided, according to the preamble of claim 1 (see e.g. DE-A-3 128 126).
  • a roll forming machine is disclosed in DE 27 32 233 B1.
  • Profiling machines of the type mentioned are mostly together with a infeed table upstream of the forming stations, one or more Straighteners and if necessary a cut-to-length machine set up to a Form production line for the production of finished profiles from strip material.
  • Tool holders in the sense of this application are in particular scaffolds that at least two horizontal axes for guiding roll forming tools have, or side roller tables on which at least two on parallel vertical axes running rollers are stored.
  • a roll forming machine is a mass production machine. she can produce a very large amount of profiles of the same shape in a very short time. Due to its design, flexibility is alien to it; converting the roll forming machine to a different profile shape or a different material of the workpiece to be profiled in any case requires a longer running-in or testing phase with the corresponding Reject material until the profile shape produced meets the specifications equivalent. This also applies if a profile has already been made and will be produced again later.
  • the invention is therefore based on the object of a profiling machine at the outset mentioned type also for less experienced operators make and simplify a conversion of the roll forming machine.
  • This task is by a profiling machine with the features of the attached Claim 1 solved.
  • a profiling machine of the type mentioned is thus with the invention Provide detection means, the position data of all adjustable roll forming tools capture, as well as with a central data processing device, the the position data reported by the detection means is collected and processed.
  • the further processing is that all Position data of the roll forming tools that have been optimized for production stored as a specially marked data record for later use becomes. In this way, you can advantageously return to an optimal setting at any time of the roll forming tools are used if, after a change, for example after a tool change, but also after a production lot with material of a different nature back to the conditions at that time is decreased. It is immediately obvious that such a more detailed Position data record the retraction of the machine found at once optimal values of the position data considerably simplified and the associated Production scrap is minimized.
  • the processing of the position data can alternatively or additionally go in a completely different direction and, as described below, for example with software based on the principle of neural networks and / or with Fuzzy logic tools works, to a kind of self-learning system and thus to a virtual assistant during the testing phase of the roll forming machine to lead.
  • the output of the stored and retrieved data records or the collected and further processed position data can be stored on an information carrier, for example, a screen, which causes the operator of the profiling machine the various roll forming tools set;
  • an information carrier for example, a screen
  • all adjustable Roll forming tools or their tool holders with the data processing device controlled motorized adjusting elements are provided.
  • the conversion of the entire roll forming machine to one earlier, for example produced profile shape can then be done "at the push of a button”.
  • Intermediate values when setting up and adjusting the profiling machine save as a data record and, if there is a Changing the positions of various roll forming tools is not ideal, these changes can easily be brought back to the intermediate value. This speeds up the purely empirical process of adjustment is naturally considerable.
  • the acquisition means for acquiring the position data of all adjustable roll forming tools can be realized for example with laser technology, the exact position of the roll forming tools is optically detected in each case; very easy is the acquisition of the position data, however, when the tool holders with adjustment elements for adjusting the positions of the roll forming tools are provided, their setting values as position data of the respective roll forming tools serve. It is particularly advantageous if these adjustment elements as Servomotors are formed, which electronically transfer their respective positions to the central Register data processing device and be controlled from there can.
  • the central data processing of the profiling machine according to the invention can be based on various types can be programmed. For the purpose of adjusting a roll forming machine It is also possible to enable inexperienced operators, for example advantageous if all position data at least during a test phase the profiling machine and the resulting Position data histories prepared for further processing or evaluation, in particular. Based on such temporal position data courses a trial phase can then be traced at any time later. This can, for example, make it easier for an inexperienced operator to optimize once Setting due to changes in the material properties of the workpiece to change or find an optimal setting of the machine again. Of the presentation of position data history also creates the prerequisite for a self-learning system based on several run-in processes and trial phases a profiling machine according to the invention "learns" how to adjust a profiling machine.
  • the profiling machine offers particular advantages when at least one detector for detecting the final profile shape is available, which with the central data processing device for carrying out a comparison of the Actual shape data and the target shape data is related. This makes it possible the system not only to record the position data and the position data history, but based on the shape data provided by the detector with the to put the resulting profile shape in relation and a connection between the change of one or more profile data and the change of the To produce shape data.
  • measurement sensors can be provided which have the shape of the profile to be profiled Workpiece after each forming station with adjustable roll forming tools capture and forward to the central data processing device. This enables a more precise breakdown of the relationships between the Adjustment of individual forming stations and the associated changes the shape data detected by the sensors.
  • the sensors can be devices for recording a light section, which make it possible to determine a profile cross section of the workpiece.
  • the central data processing device is expediently programmed in such a way that that they have all the position data of the adjustable roll forming tools the shape data obtained from the detector and / or the measurement sensors Workpiece and also the corresponding default values from the theoretically calculated profile flower considered. So much for the profiling machine with adjustment elements controllable by the central data processing device equipped, a self-regulating system can be generated, for example after each forming station, a profile cross-section is determined and iteratively compared with the default values, with the positions for each iteration step the roll forming tools of the corresponding forming station are changed.
  • the Profiling machine according to the invention is then with a process integrated Quality monitoring equipped, which detects irregularities in real time and corrected. This ensures production reliability, particularly in series production greatly increased.
  • An advantageous programming of the central data processing device of the Profiling machine according to the invention can, for example, the following method enable: Starting from the ones obtained during the construction of the roll forming tools The theoretical default values become the setting values in the test phase and thus the position data of the individual roll forming tools manually adapted and corrected, the data processing device the theoretical Already has default values and from there logs position data history. At the same time, it logs the shape data of the workpiece with which it receives from the detector and / or from the sensors. From the The software then determines the position data courses and the shape data courses a functional relationship between the position data and the shape data and stores this functional relationship as a process behavior pattern from.
  • the Forward secondary parameters to the central data processing device which can also influence the production result.
  • the feed rate and the temperature of the Workpiece the type and temperature of the lubricant used, the ambient temperature, the thickness and width of the workpiece, the straightness and waviness of the workpiece as well as its material properties, from coil to coil completely can be different.
  • Some of these secondary parameters are significant Influence on the production result, especially through unwanted shape deviations of the profile, so the software of the data processing device can "learn" over time, on changed secondary parameters by appropriate Correct the positions of certain selected roll forming tools.
  • the system is further improved, if not only at the forming stations further processing stations, such as in particular at additional side roller tables, at the infeed table and at any intermediate and Straighteners there are additional sensors with which the shape of the workpiece to be profiled and sent to the central as a form data set Data processing device is forwarded. Because even those with such additional The shape data recorded by transducers allow conclusions to be drawn about the Suitability of certain process behavior patterns. Vice versa from the data processing device also suggestions or control impulses for a targeted change in the settings of additional side roller tables, the infeed table and straighteners.
  • a profiling machine with detection means for detection the position data of all adjustable roll forming tools, with the data processing device controlled motorized adjustment elements, preferably with a detector and sensors as well as a correspondingly executed software for the data processing device is equipped, gives the operator of the profiling machine So not just the possibility of being very quick and inexpensive converting a profile shape to another profile shape, but can also do so contribute to the testing phases of completely new roll forming tools reduce significantly.
  • the system always improves over time more, until the reproducibility of that previously experienced by experienced technicians Feeling fine adjustments made for different profile shapes and different Boundary conditions.
  • the system is learned via a Retracing the adjustment in a testing phase, the course of the position data in real time with all current boundary conditions are compared and a functional one Connection is created.
  • the software does not have to start from zero, because the CAD design of the roll forming tools already results a basic setting as a first approximation. In addition, this is also a self-regulating system possible based on such a basic setting the adjustment of the profiling machine takes over completely automatically; not to mention the possibility of ongoing quality control with automatic Create corrective interventions.
  • the parts of a shown in Figure 1 in a schematic perspective view Profiling machine essentially comprise eight in a row arranged forming stations 1 for multi-stage forming a to be profiled Workpiece 2 and a central data processing device 3, the is symbolized here by a monitor and via signal lines 4 with position data acquisition means 5 is connected to the forming stations 1.
  • the forming stations 1 are attached to a machine frame 6 shown symbolically.
  • FIG. 2 illustrates, which shows a forming station 1 from FIG. 1 in detail, there is a forming station 1 of the present embodiment from a scaffold 7 as a tool holder for two pairs of roll forming tools 8, which are in the frame 7 are mounted on two parallel, horizontally extending shafts 9, and one Side roller table 10 as a tool holder for two designed as side rollers 11 Roll forming tools.
  • the side rollers 11 are slidably attached to the side roller table 10 on a slide 12, two adjustment elements 13 are responsible for the displacement.
  • the Adjustment elements 13 also serve as detection means for detecting the position data of the two side rollers 11, which is why they via signal lines 4 with the Data processing device 3 are connected.
  • the framework 7 essentially consists of two mutually opposite, along two guide columns 14 vertically displaceable bearing yokes 15, in which the shafts 9 of the roll-forming tools 8 are mounted. Both Shafts 9 and the associated bearing yokes 15 are each assigned Servo motor 16 for an axial adjustment of the position of the roll forming tools 8 perform.
  • the servomotors each act on a spindle 17 on the opposite one
  • Each end of a position transmitter 18 as a detection means for Detect the axial position of the roll forming tools 8 attached and via signal lines 4 is connected to the data processing device 3.
  • FIG. 3 shows a section of the elements of a profiling machine according to the invention shown in FIG the other side shows:
  • a position transmitter sits on each of the two bearing yokes 15 19, the current vertical position of the respective bearing yoke 15 and thus the horizontal position of the shaft 9 and the roll-forming tools 8 via signal lines 4 reports to the central data processing device 3.
  • This position encoder 19 can in particular be servomotors by the data processing device 3 can be controlled and the vertical adjustment of the respective Make the bearing yokes completely independently of the other parameters.
  • the signal processing in the data processing device 3 takes place in the above detailed way.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Bridges Or Land Bridges (AREA)
  • Numerical Control (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (12)

  1. Machine de profilage avec plusieurs stations de formage (1) arrangées en ligne pour le formage en plusieurs étapes d'une pièce à profiler (2), dans laquelle les stations de formage (1) sont munies d'outils de formage à galets (8) montés dans des porte-outils (7, 10), réglables dans leur position et coopérant chaque fois par paires, entre lesquels la pièce (2) est guidée en même temps qu'elle est formée,
    dans laquelle il existe des moyens de saisie (18, 19) des données de position de tous les outils de formage à galets réglables (8),
    dans laquelle tous les outils de formage à galets réglables (8, 11) ou leurs porte-outils (7, 10) sont munis d'éléments de réglage commandables par moteur (13, 16), dont les valeurs de réglage servent de données de position des outils de formage à galets (8, 11) respectifs,
    caractérisée par le fait qu'il existe un dispositif de traitement de données central (3) pour collecter et traiter les données de position ainsi que pour commander les éléments de réglage à moteur (13, 16),
    ce dispositif de traitement de données central (3) étant conçu ou agencé pour enregistrer sous forme de jeu de données pour une utilisation ultérieure toutes les données de position des outils de formage à galets (8, 11) réglés de manière optimisée pour une production.
  2. Machine de profilage selon la revendication 1,
    caractérisée par le fait que les éléments de réglage (13, 16) sont réalisés sous la forme de servomoteurs.
  3. Machine de profilage selon la revendication 1 ou 2,
    caractérisée par le fait que le dispositif de traitement de données central (3) est conçu ou agencé de manière à enregistrer dans un protocole toutes les données de position au moins pendant une phase d'essai de la machine de profilage et à mettre en forme les évolutions de données de position qui en résultent pour un traitement ou une exploitation ultérieur(e).
  4. Machine de profilage selon l'une des revendications 1 à 3,
    caractérisée par le fait qu'il existe au moins un détecteur pour la saisie de données de forme de la pièce profilée finie, lequel est en liaison avec le dispositif de traitement de données central (3) pour effectuer une comparaison des données de forme nominales ou de consigne et des données de forme réelles.
  5. Machine de profilage selon l'une des revendications 1 à 4,
    caractérisée par le fait qu'il existe des transducteurs de mesure qui sont conçus de manière à saisir les données de forme de la pièce à profiler (2) après chaque station de formage (1) avec outils de formage à galets réglables (8, 11) et à les transmettre au dispositif de traitement de données central (3).
  6. Machine de profilage selon l'une des revendications 4 ou 5,
    caractérisée par le fait que le dispositif de traitement de données central (3) est conçu ou agencé de manière à combiner toutes les données de position des outils de formage à galets réglables (8, 11) avec les données de forme obtenues par le détecteur et/ou les transducteurs de mesure sur la forme réelle de la pièce (2) en tenant compte des valeurs de consigne pour les données de forme nominales de la pièce (2).
  7. Machine de profilage selon l'une des revendications 1 à 6,
    caractérisée par le fait que le dispositif de traitement de données central (3) est conçu ou agencé de manière à tenir compte des valeurs de consigne théoriques calculées lors de la construction des outils de formage à galets (8, 11) pour les données de position.
  8. Machine de profilage selon les revendications 6 et 7,
    caractérisée par le fait que le dispositif de traitement de données central (3) est conçu ou agencé de manière à enregistrer pendant une phase d'essai de la machine de profilage les évolutions de toutes les données de position des outils de formage à galets réglables (8, 11) modifiées par rapport aux valeurs de consigne théoriques, à les corréler avec les évolutions des données de forme de la pièce obtenues par le détecteur et/ou les transducteurs de mesure ainsi qu'à établir par des méthodes d'approximation une relation fonctionnelle entre les données de position et les données de forme et à l'enregistrer en tant que modèle de comportement du processus.
  9. Machine de profilage selon la revendication 8,
    caractérisée par le fait que le dispositif de traitement de données central (3) est muni d'outils logiciels qui fonctionnent selon des principes de logique floue ou à la manière de réseaux neuronaux.
  10. Machine de profilage selon l'une des revendications 8 ou 9,
    caractérisée par le fait que le dispositif de traitement de données central (3) est conçu ou agencé de manière à sélectionner, en cas d'écarts des données de forme de la pièce par rapport aux valeurs de consigne, le modèle de comportement du processus le mieux adapté dans un catalogue enregistré de modèles de comportement du processus et à déterminer à partir de cela des propositions de correction des données de position.
  11. Machine de profilage selon l'une des revendications 1 à 10,
    caractérisée par le fait qu'il existe d'autres capteurs pour transmettre au dispositif de traitement de données central (3) des paramètres secondaires, comme en particulier la vitesse d'avance et la température de la pièce, la nature et la température du lubrifiant utilisé, la température ambiante, l'épaisseur et la largeur de la pièce, la rectitude et l'ondulation de la pièce ainsi que ses caractéristiques de matériau.
  12. Machine de profilage selon l'une des revendications 4 à 11,
    caractérisée par le fait qu'il existe aussi sur d'autres stations de transformation, comme en particulier des tables à galets latéraux et des appareils de dressage supplémentaires, d'autres transducteurs de mesure qui sont conçus de manière à transmettre chacun les données de forme de la pièce à profiler au dispositif de traitement de données central (3).
EP01107591A 2001-03-27 2001-03-27 Machine de profilage avec plusieurs stations de formage arrangées en ligne Expired - Lifetime EP1245302B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DK01107591T DK1245302T3 (da) 2001-03-27 2001-03-27 Profileringsmaskine med flere på linie efter hinanden anbragte omformningsstationer
DE50104595T DE50104595D1 (de) 2001-03-27 2001-03-27 Profiliermaschine mit mehreren, in Linie hintereinander angeordneten Umformstationen
EP01107591A EP1245302B1 (fr) 2001-03-27 2001-03-27 Machine de profilage avec plusieurs stations de formage arrangées en ligne
AT01107591T ATE283123T1 (de) 2001-03-27 2001-03-27 Profiliermaschine mit mehreren, in linie hintereinander angeordneten umformstationen
ES01107591T ES2232535T3 (es) 2001-03-27 2001-03-27 Maquina perfiladora con varias estaciones de conformacion dispuestas en linea una tras otra.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01107591A EP1245302B1 (fr) 2001-03-27 2001-03-27 Machine de profilage avec plusieurs stations de formage arrangées en ligne

Publications (2)

Publication Number Publication Date
EP1245302A1 EP1245302A1 (fr) 2002-10-02
EP1245302B1 true EP1245302B1 (fr) 2004-11-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01107591A Expired - Lifetime EP1245302B1 (fr) 2001-03-27 2001-03-27 Machine de profilage avec plusieurs stations de formage arrangées en ligne

Country Status (5)

Country Link
EP (1) EP1245302B1 (fr)
AT (1) ATE283123T1 (fr)
DE (1) DE50104595D1 (fr)
DK (1) DK1245302T3 (fr)
ES (1) ES2232535T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011120914A1 (de) * 2011-12-12 2013-06-13 Kronenberg Profil Gmbh Rollumformstation, Profilieranlage und Verfahren zur Umformung eines Bleches oder Blechbandes
EP3618981B1 (fr) 2017-05-05 2022-04-06 data M Sheet Metal Solutions GmbH Installation de profilage pourvue d'une cage de profilage à capteur

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7111481B2 (en) 2004-02-17 2006-09-26 The Bradbury Company Methods and apparatus for controlling flare in roll-forming processes
US8453485B2 (en) 2004-02-17 2013-06-04 The Bradbury Company, Inc. Methods and apparatus for controlling flare in roll-forming processes
SE528078C2 (sv) 2004-02-27 2006-08-29 Ortic Ab Sätt att i en produktionslinje forma profiler
DE202005013912U1 (de) * 2005-09-02 2005-12-08 F. Post Gmbh Stufen-Umformautomat
EP1925376B1 (fr) * 2006-11-24 2012-03-21 Francis Miniscloux Tête de profilage antiflexion et machine à profiler équipée de telles têtes
EP1985387A1 (fr) 2007-04-24 2008-10-29 DREISTERN GmbH & Co.KG Machine à profiler avec plusieurs postes de formage successive et bâti pour une telle machine à profiler
DE502008002632D1 (de) 2008-10-23 2011-03-31 Dreistern Gmbh & Co Kg Profiliermaschine und Verfahren zum Vermessen von Rollformwerkzeugen einer Profiliermaschine
ES2869049T3 (es) * 2014-04-11 2021-10-22 Sms Group Gmbh Máquina laminadora de anillos y procedimiento para controlar una máquina laminadora de anillos
DE102014005332A1 (de) 2014-04-11 2015-10-15 Sms Meer Gmbh Umformmaschine, insbesondere Ringwalzmaschine
AU2019226291A1 (en) 2018-09-21 2020-04-09 The Bradbury Company, Inc. Machines to Roll-Form Variable Component Geometries
CN110586710B (zh) * 2019-10-12 2022-11-29 程玟豪 对称式道路边挡板弯曲装置
US11919060B2 (en) 2021-08-16 2024-03-05 The Bradbury Co., Inc. Methods and apparatus to control roll-forming processes

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Publication number Priority date Publication date Assignee Title
DE2732233C2 (de) * 1977-07-16 1983-04-21 Maschinen- Und Werkzeugbau Gmbh, 4600 Dortmund Profiliermaschine
DE3128126A1 (de) * 1981-07-16 1983-02-03 Bernd E. 7507 Pfinztal Weigl Profiliermaschine
US4878368A (en) * 1987-12-04 1989-11-07 General Electric Company Adaptive roll formed system and method
WO1997004892A1 (fr) * 1995-07-27 1997-02-13 Michael Surina Procede et appareil de laminage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011120914A1 (de) * 2011-12-12 2013-06-13 Kronenberg Profil Gmbh Rollumformstation, Profilieranlage und Verfahren zur Umformung eines Bleches oder Blechbandes
EP3618981B1 (fr) 2017-05-05 2022-04-06 data M Sheet Metal Solutions GmbH Installation de profilage pourvue d'une cage de profilage à capteur

Also Published As

Publication number Publication date
EP1245302A1 (fr) 2002-10-02
DE50104595D1 (de) 2004-12-30
ES2232535T3 (es) 2005-06-01
DK1245302T3 (da) 2005-04-04
ATE283123T1 (de) 2004-12-15

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