EP1824618B1 - Procede permettant de freiner une bande de metal en mouvement et installation permettant la mise en oeuvre dudit procede - Google Patents

Procede permettant de freiner une bande de metal en mouvement et installation permettant la mise en oeuvre dudit procede Download PDF

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Publication number
EP1824618B1
EP1824618B1 EP05850143A EP05850143A EP1824618B1 EP 1824618 B1 EP1824618 B1 EP 1824618B1 EP 05850143 A EP05850143 A EP 05850143A EP 05850143 A EP05850143 A EP 05850143A EP 1824618 B1 EP1824618 B1 EP 1824618B1
Authority
EP
European Patent Office
Prior art keywords
magnet system
metal strip
rotating magnet
speed
input
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.)
Not-in-force
Application number
EP05850143A
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German (de)
English (en)
Other versions
EP1824618A1 (fr
Inventor
Eckard Schmitz
Volker Wandelt
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.)
Steinert Elektromagnetbau GmbH
Original Assignee
Steinert Elektromagnetbau 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 Steinert Elektromagnetbau GmbH filed Critical Steinert Elektromagnetbau GmbH
Priority to PL05850143T priority Critical patent/PL1824618T3/pl
Publication of EP1824618A1 publication Critical patent/EP1824618A1/fr
Application granted granted Critical
Publication of EP1824618B1 publication Critical patent/EP1824618B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
    • B65H23/10—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/003—Regulation of tension or speed; Braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/006—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only winding-up or winding-off several parallel metal bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/345—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the tension or advance of the material
    • B21C47/3458—Endlessly revolving chain systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/10—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204
    • B65H2403/725—Brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • the invention relates to a method for braking a metal strip, which runs from a decoiler and runs up onto a take-up reel.
  • the invention further relates to a system for carrying out the method, in which the deceleration takes place by means of an eddy current brake.
  • the eddy currents to be induced are generated by a rotating magnet system.
  • the brake unit consists of a main brake and / or a preliminary brake.
  • the main brake consists of groups of individually braked rings, which are entwined by the longitudinally divided strips of the bands in the manner of an S-roller set.
  • a pre-brake is still provided.
  • the type of eddy current brake is suitable. Eddy current brakes, however, have so far the disadvantage that they only at very conductive metal bands such as aluminum or non-ferrous metal can apply a sufficient braking effect.
  • the invention according to the DE 195 40 748 C2 create a band longitudinal section with braking means, in which act on the strips in the wrap of the brake rings pressing means either without contact or on the side facing away from the brake rings with contact, both with and without transfer of braking force to the strip attack slip.
  • the invention therefore has the task of providing a method and a system for braking a metal strip, which runs from a decoiler as a coil and runs on a take-up reel to create by means of a brake unit with an eddy current brake as a rotating magnet system, on the one hand ensures that the Surface of the metal strip is not damaged and on the other hand exerts a fully effective braking force on the metal strip. It should be dispensed with additional brakes, the system as a whole have a simple structure and the braking effect done on one side contactless.
  • FIG. 1 is schematically a slitting line (without showing the necessary separation devices such as circular knife scissors) can be seen in which a metal strip 1 from a coil 1.1 receiving uncoiler 2.1 runs on a take-up reel 2.2.
  • a brake unit 3 For braking the metal strip 1, a brake unit 3 is provided as an eddy current brake 3.1, which uses a variable in its speed rotary magnet system 3.2, which is arranged on one side contactlessly over the metal strip 1.
  • a counter-torque is now generated in the running metal strip 1 by the rotating magnet system 3.2, which counterweight is capable of deploying the fully required braking force alone.
  • abutment 4 for meeting the avoidance or securing a (non-contact) distance a of the metal strip 1 to the rotating magnet system 3.2 is mounted.
  • This abutment 4 is according to Fig. 1 formed as a counter-roller according to the invention 4.1, which consists of an electrically and magnetically non-conductive material.
  • the rotating magnet system 4.2 is adjustable in its rotational speed. To achieve all possible effects of the rotating magnet system 4.2 as a braking unit this is adjustable in its spatial position to the metal strip 1.
  • An optional variant of the invention can also be that the rotating magnet system 3.2 is surrounded by a drum (roll jacket) 3.2.1, wherein the magnet system 3.2 is driven at a higher and higher speed than that of the drum 3.2.1.
  • Fig. 2 is provided for receiving the tangential forces of only equipped with permanent magnets 3.2.3 rotating magnet system 3.2, an edge 3.2.2.
  • Fig. 1 is provided to the rotating magnet system 3.2, a VA jacket 3.3 for receiving the force acting on the permanent magnets 3.2.3 centrifugal forces.
  • the inventive method can gain the used eddy current brake 3.1 as the main brake.
  • the full braking effect is alone generated by the rotating magnet system 3.2 by means of the counter-roller 4.1 and exerted on the current metal strip 1 as a counter-moment.
  • the method is further carried out so that the braking effect by the rotational speed of the respective magnet system 3.2 is independent of the speed of the metal strip 1 adjustable and thus also adjustable.
  • this can be done independently of the speed of the metal strip 1 by the local adjustment of the respective magnet system 3.2.
  • the local adjustment of the respective abutment 4.1 can be adjusted or regulated independently of the speed of the metal strip.
  • the procedure uses the frequency converter to set the speed of the rotating magnet system 3.2.
  • the distance of the counter-roller 4.1 to the rotating magnet system 3.2 is also adjustable by default via an electric motor device, not shown.
  • the pre-selection program according to claim 12 integrates a data calculation from the input of tape thickness, bandwidth, material, number of useful and desired tape tension to determine the distance of the counter-roller 4.1 and / or the frequency (speed) of the rotating magnet system 3.2. For example, the frequency should be changed if it is outside 40 - 60 Hz.
  • the frequency converter is regulated by measuring the strip tension.
  • the return train corresponds to a reduction of the braking force / strip tension by changing the distance and / or the rotational speed from a belt speed which is smaller than the jogging speed (for example about 10 m / min). This has the advantage of less heating of the metal bands 1 by the rotating magnet system.
  • the controller comprises the frequency converter and the control system with the tape tension sensor, the PLC 6.1, the controller e.g. a pneumatic system 6 for setting the counter roller 4.1, the input module 6.2 when exchanging data with the main control of the system, not shown, (definition as interface), whereby no separate input module is required.
  • a separate control cabinet is conceivable in which as inputs the input module 6.2 with data exchange, a supply line (power supply), measuring line for Bandzugauf commentary and a measuring line for the belt speed are provided. Outputs are available to pneumatic valves, to the servomotor and to the supply line for the motor 3.4.
  • the input data (as setpoints) and the measured data (as actual values) appear on the display.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Claims (23)

  1. Procédé de freinage d'une bande de métal (1), qui se déroule d'une débobineuse (2.1) comme une bobine (1.1) et s'enroule à nouveau sur une bobine enrouleuse (2.2), au moyen d'un groupe de freinage (3), comprenant un frein à courant de Foucault (3.1), comportant un système d'aimant rotatif (3.2) pour générer un effet de freinage exercé sans contact sur la bande de métal (1) d'un côté au moyen d'un couple contraire induit, dans lequel un contre-rouleau (4.1) contactant la bande de métal (1) est utilisé comme culée (4).
  2. Procédé selon la revendication 1, caractérisé par l'utilisation d'un contre-rouleau (4.1) comprenant un matériau non conducteur électriquement et magnétiquement.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, l'effet de freinage est réglé par la vitesse de rotation du système d'aimant (3.2) indépendamment de la vitesse de la bande de métal (1).
  4. Procédé selon une des revendications 1 à 3, caractérisé en ce que, l'effet de freinage est réglé par l'ajustage spatial du système d'aimant (3.2) indépendamment de la vitesse de la bande de métal (1).
  5. Procédé selon une des revendications 1 à 4, caractérisé en ce que, l'effet de freinage est réglé par l'ajustage spatial du contre-rouleau (4.1) indépendamment de la vitesse de la bande de métal (1).
  6. Procédé selon une des revendications 1 à 5, caractérisé en ce que, l'effet de freinage est réglé par l'ajustage spatial du système d'aimant respectif (3.2) à l'intérieur d'un tambour (3.2.1) indépendamment de la vitesse de la bande de métal (1).
  7. Procédé selon une des revendications 1 à 6 comportant un programme informatisé par ordinateur pour commander/réguler le freinage de la bande de métal (1) laminée, présentant au moins une des étapes de programme :
    - Entrée/enregistrement/émission de données pour régler la vitesse de la bande de métal (1),
    - Entrée/enregistrement/émission de données pour régler l'effet de freinage du système d'aimant (3.2) rotatif,
    - Entrée/enregistrement/émission de données pour régler la vitesse de rotation du système d'aimant (3.2),
    - Entrée/enregistrement/émission de données pour régler la position spatiale du système d'aimant (3.2),
    - Entrée/enregistrement/émission de données pour régler l'entrefer comme un espacement (a) entre le système d'aimant rotatif (3.2) et la bande de métal (1),
    - Entrée/enregistrement/émission de données concernant les dimensions de la bobine (1.1) et
    - Entrée/enregistrement/émission de données pour régler la position spatiale de la culée (4).
  8. Procédé selon une des revendications 1 à 7 comportant un programme informatisé par ordinateur, caractérisé par un circuit de régulation (5), présentant les fonctions de
    a) Enregistrement/entrée de la valeur effective à partir d'une mesure de tension de freinage et/ou d'une mesure de vitesse de la bande de métal ( 1),
    b) Entrée des valeurs de consigne nécessaires,
    c) Emission d'une valeur de vitesse de rotation du système d'aimant rotatif (3.2),
    d) Emission d'une valeur d'espacement (a) du système d'aimant rotatif (3.2) par rapport à la bande de métal (1),
    e) Affichage des valeurs de régulation sur un écran (6.4).
  9. Procédé selon une des revendications 1 à 8, caractérisé par l'utilisation d'un convertisseur de fréquence pour régler la vitesse de rotation du système d'aimant rotatif (3.2).
  10. Procédé selon la revendication 9, caractérisé par
    a) Un programme de présélection comportant un calcul de données à partir des valeurs entrées d'épaisseur, largeur, matériau, nombre d'utilisations et/ou tension de bande/force de freinage souhaitée de la bande de métal (1) pour déterminer un espacement du contre-rouleau et/ou la vitesse de rotation du système d'aimant rotatif (3.2),
    b) Régulation du convertisseur de fréquence pendant la progression de la bande de métal (1) en mesurant la tension de bande/force de freinage et
    c) Réduction de la tension de bande/force de freinage en modifiant l'espacement et/ou la vitesse de rotation à partir d'une vitesse de bande < vitesse entrée.
  11. Installation pour mettre en oeuvre le procédé selon la revendication 1, présentant une débobineuse (2.1) renfermant une bobine (1.1), une bobine enrouleuse (2.2) et un groupe de freinage (3) avec un frein à courant de Foucault (3.1)faisant office de système d'aimant rotatif (3.2), qui est disposé sans contact par rapport à la bande de métal (1) progressant de la débobineuse (2.1) à la bobine enrouleuse (2.2), caractérisée par un système d'aimant rotatif (3.2) correspondant et le contre-rouleau (4.1) contactant la bande de métal (1) faisant office de culée (4).
  12. Installation selon la revendication 11, caractérisée par un contre-rouleau (4.1) en matériau non conducteur électriquement et magnétiquement.
  13. Installation selon la revendication 11 ou 12, caractérisée en ce que, un entrefer peut être réglé en continu en tant qu'espacement (a) entre le système d'aimant rotatif (3.2) et la bande de métal (1).
  14. Installation selon une des revendications 11 à 13, caractérisée en ce que, le système d'aimant rotatif (3.2) peut être réglé en ce qui concerne sa vitesse de rotation.
  15. Installation selon une des revendications 11 à 14, caractérisée en ce que, le système d'aimant rotatif (3.2, 4.3) peut être réglé en ce qui concerne sa position spatiale par rapport à la bande de métal (1).
  16. Installation selon une des revendications 11 à 15, caractérisée en ce que, le système d'aimant rotatif (3.2) est entouré par un tambour (3.2.1), moyennant quoi le système d'aimant (3.2) peut être mis en rotation à une vitesse supérieure à celle du tambour (3.2.1).
  17. Installation selon la revendication 16, caractérisée en ce que, le système d'aimant rotatif (3.2) est disposé excentriquement dans le tambour (3.2.1).
  18. Installation selon la revendication 17, caractérisée en ce que, le système d'aimant rotatif (3.2) est disposé de manière à pivoter autour du point central du tambour respectif (3.2.1).
  19. Installation selon une des revendications 16 ou 17, caractérisée en ce que, le système d'aimant rotatif (3.2) est disposé de manière à se déplacer radialement par rapport au point central du tambour respectif (3.2.1).
  20. Installation selon une des revendications 17 à 19, caractérisée en ce que, un espacement peut être réglé en continu comme un espacement sans contact entre le système d'aimant rotatif (3.2) et le tambour (3.2.1).
  21. Installation selon une des revendications 11 à 20, caractérisée en ce que, pour absorber les forces tangentielles des aimants permanents (3.2.3), une arête (3.2.2) est prévue sur le système d'aimant rotatif (3.2).
  22. Installation selon une des revendications 11 à 21, caractérisée en ce que, une gaine VA (3.3) pour absorber les forces centrifuges des aimants permanents (3.2.3) est prévue autour du système d'aimant rotatif (3.2).
  23. Installation selon une des revendications 11 à 22, caractérisée en ce que, un convertisseur de fréquence, un circuit de régulation (1) et une mesure de la tension de bande / force de freinage ainsi que des moyens (6) pour modifier l'entrefer entre le système d'amant rotatif (3.2) et la bande de métal (1) faisant office d'espacement (a) au moyen du contre-rouleau (4.1) sont prévus, lesquels présentent
    a) un câble de données SPS (6.1),
    b) un module d'entrée (6.2),
    c) une partie de commande avec un câble d'alimentation (6.3) et un écran (6.4) pour afficher les données,
    d) une première unité de commande (3.5) des moyens (6) de modification de l'entrefer entre le système d'aimant rotatif (3.2) et la bande de métal (1) faisant office d'espacement (a) au moyen du contre-rouleau (4.1),
    e) une deuxième unité de commande (6.6) d'un moteur (3.4) du système d'aimant rotatif (3.2) et
    des câbles (6.7) pour mesurer la vitesse de la bande de métal (1) et de la tension de bande/ force de freinage.
EP05850143A 2004-12-16 2005-12-06 Procede permettant de freiner une bande de metal en mouvement et installation permettant la mise en oeuvre dudit procede Not-in-force EP1824618B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05850143T PL1824618T3 (pl) 2004-12-16 2005-12-06 Proces hamowania taśmy metalowej, znajdującej się w ruchu oraz instalacja służąca do przeprowadzenia tego procesu

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004061174 2004-12-16
DE102005036570A DE102005036570A1 (de) 2004-12-16 2005-08-01 Verfahren zur Abbremsung eines laufenden Metallbandes und Anlage zur Durchführung des Verfahrens
PCT/DE2005/002199 WO2006063559A1 (fr) 2004-12-16 2005-12-06 Procede permettant de freiner une bande de metal en mouvement et installation permettant la mise en oeuvre dudit procede

Publications (2)

Publication Number Publication Date
EP1824618A1 EP1824618A1 (fr) 2007-08-29
EP1824618B1 true EP1824618B1 (fr) 2008-12-03

Family

ID=35985309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05850143A Not-in-force EP1824618B1 (fr) 2004-12-16 2005-12-06 Procede permettant de freiner une bande de metal en mouvement et installation permettant la mise en oeuvre dudit procede

Country Status (9)

Country Link
US (1) US7786693B2 (fr)
EP (1) EP1824618B1 (fr)
JP (1) JP5148286B2 (fr)
AT (1) ATE416046T1 (fr)
DE (2) DE102005036570A1 (fr)
ES (1) ES2318584T3 (fr)
PL (1) PL1824618T3 (fr)
RU (1) RU2373009C2 (fr)
WO (1) WO2006063559A1 (fr)

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KR102537418B1 (ko) 2015-12-18 2023-05-25 에디 커런트 리미티드 파트너쉽 기동 시스템을 위한 가변 거동 제어 메커니즘
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WO2000027554A1 (fr) * 1998-11-11 2000-05-18 Norbert Umlauf Systeme d'entrainement utilises dans des dispositifs pour le freinage ou la traction de feuillards metalliques
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FR2805937B1 (fr) * 2000-03-03 2002-12-06 Daniel Drecq Dispositif de freinage a courants de foucault et echangeur de chaleur pour dispositif de freinage a courants de foucault
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DE102005036570A1 (de) 2006-07-06
RU2373009C2 (ru) 2009-11-20
US7786693B2 (en) 2010-08-31
DE502005006175D1 (de) 2009-01-15
ATE416046T1 (de) 2008-12-15
WO2006063559A1 (fr) 2006-06-22
ES2318584T3 (es) 2009-05-01
JP2008524087A (ja) 2008-07-10
EP1824618A1 (fr) 2007-08-29
RU2007126747A (ru) 2009-01-27
US20090026303A1 (en) 2009-01-29
JP5148286B2 (ja) 2013-02-20
PL1824618T3 (pl) 2009-06-30

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