EP1789211B1 - Unite de traitement de feuillards et utilisation d'un rouleau tendeur dans une unite de traitment de feuillards - Google Patents

Unite de traitement de feuillards et utilisation d'un rouleau tendeur dans une unite de traitment de feuillards Download PDF

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Publication number
EP1789211B1
EP1789211B1 EP05778086A EP05778086A EP1789211B1 EP 1789211 B1 EP1789211 B1 EP 1789211B1 EP 05778086 A EP05778086 A EP 05778086A EP 05778086 A EP05778086 A EP 05778086A EP 1789211 B1 EP1789211 B1 EP 1789211B1
Authority
EP
European Patent Office
Prior art keywords
strip
tension roller
tension
treatment installation
roller
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.)
Active
Application number
EP05778086A
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German (de)
English (en)
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EP1789211A1 (fr
Inventor
Gert Mücke
Frank Gorgels
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.)
BFI VDEH Institut fuer Angewandte Forschung GmbH
Original Assignee
BFI VDEH Institut fuer Angewandte Forschung 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.)
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Publication date
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Publication of EP1789211A1 publication Critical patent/EP1789211A1/fr
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Publication of EP1789211B1 publication Critical patent/EP1789211B1/fr
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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
    • 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
    • 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
    • B21C19/00—Devices for straightening wire or like work combined with or specially adapted for use in connection with drawing or winding machines or apparatus
    • 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
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • 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
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/05—Stretching combined with rolling
    • 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
    • B21B2015/0071—Levelling the rolled product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/38—Strain gauges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements
    • B21B39/082—Bridle devices

Definitions

  • the invention relates to a belt treatment plant with a tensioning roller pair, in which the belt is guided over a tensioning roller of the tensioning roller pair and the belt tension is increased or reduced by the tensioning roller between the inlet to the tensioning roller and the outlet of the tensioning roller.
  • the band passing through the strip treatment plant is subjected to a strip tensile force.
  • This can be done with tension rollers.
  • tension rollers These tensioners are usually motor driven and retard or accelerate the belt by transmitting frictional forces. Due to the delay of the tape, the tape tension can be increased after the tension roller. By an acceleration of the belt, the tape tension can be reduced to the tension roller.
  • band straightening equipment used to eliminate the unevenness. By plastic stretching the shorter band shares in the band, a length compensation is achieved and are thus removed, for example, center or edge waves. These are band sections, which were different in length before the straightening process and therefore partly wavy, different plastic elongated.
  • the belt treatment plants used for this purpose regularly have an inlet clamping drum set with tension rollers, in which the strip tension is increased in relation to the strip tension in the line, a stretching zone or a stretch bending stand and an outlet tensioning drum set, in which the tensioning cable is reduced again to the level of the line.
  • the strip In the stretch bending stand, the strip is bent alternately under high tension around bending rolls of small diameter. Here, the elastic limit is exceeded in the band. Due to the superposition of the elastoplastic bending with the strip tension, a permanent elongation, the so-called degree of stretching, is generated. When drawing the tape is stretched to a certain length so strong that the entire band cross-section plasticized. The required tension is applied by the tension drum sets and must reach the yield point of the material. A combination of drawstretch and stretch bend density is used for certain products, such as aluminum tape, since this often results in better flatness results.
  • the band In the band straightening process, the band is set under high longitudinal tension. Waves or bumps in the band, which would be visible without an applied longitudinal traction, do not appear.
  • the self-adjusting tension distribution is therefore dependent on the length distribution present in the belt. In this case, take the shorter band fibers when applying an outer band tension higher voltage components than longer band fibers.
  • a measurement method for flatness measurement of bands is out EP 0 988 904 A2 known. There, a method is described according to which the strip tension for measuring the flatness is reduced by means of tension rollers, so-called S-roller sets. An optical measuring device arranged after the outlet of the tape from the S-roll set measures the flatness of the tape in the almost belt-tension-free tape. After measuring the flatness, the strip tension is increased again to the strip tension of the line by means of S-roll sets.
  • measuring rollers are for example made DE 42 36 657 C2 . DE 297 21 085 U1 . DE 102 07 501 C2 . DE 198 38 457 A1 . DE 199 18 699 A1 and DE 196 16 980 A1 known.
  • the installation location for the measuring roller is the option to use it either in the stretching zone, after the bending stand or after the Auslaufspanntrommelsatz, for example in front of the take-up drum.
  • the installation of the measuring roller in front of the take-up drum also results in that the band areas, which were deformed in the bending stand, are guided considerably time and position offset over the measuring roller.
  • This so-called dead zone which can take lengths of up to 20 m, depending on the system configuration, leads to devalued strip lengths, which can correspond to a multiple of the dead zone. This especially concerns the operating conditions during the in-home stationary phase, when, for example, after the threading of a new band, adjustment operations must be carried out on the bending stand until the optimum strip flatness has been set.
  • the invention has the object to provide a device for detecting the band flatness in strip processing plants, which reduces the dead zone, reduces the settling time, increases the process speed and avoids influencing the tape to be measured during the measurement.
  • the invention is based on the basic idea of designing the tensioning roller provided anyway for setting the desired strip tensioner as a measuring roller.
  • the tension roller for a strip treatment plant according to the invention is equipped with at least one measuring sensor arranged on the circumference of the tensioning roller for detecting the tension in the belt.
  • several measuring sensors are provided to measure the stress distribution in the belt.
  • the measuring sensor may be arranged in recesses open to the outer circumference of the roller.
  • the measuring sensor may be arranged in the vicinity of the outer circumference of the tensioning roller such that the deflecting force of the belt acting in the radial direction acts on the measuring sensor through the material layer of the tensioning roller remaining between the measuring sensor and the outer circumference.
  • strain gauges or so-called Preßduktoren can be used as measuring sensors in particular piezoelectric force transmitter.
  • Preßduktoren were developed by the company ABB about 1953 and are based on the magnetoelastic effect.
  • a tension roller is characterized in that it, for example, by a motor drive, their surface texture and / or their storage is designed to act, for example, by frictional forces on the tape and accelerate the guided over them tape section depending on the effective direction or slow down.
  • the measuring sensors can be arranged in a row in the direction of the tension roller longitudinal axis. As a result, the voltage state in the band in the same band length position is measured by the measuring sensors. As a result, the flatness of the strip at this strip length position can be determined.
  • Alternative arrangements of the measuring sensors are, for example, a helical arrangement on the circumference of the tensioning roller.
  • the tensioning roller is particularly preferably coated, particularly preferably with rubber or polyurethane. Due to the coating, frictional forces for generating the desired strip tension can be transferred particularly well to the strip.
  • the coating is preferably designed such that it also covers the measuring sensor, so for example, also covers a arranged on the outer circumference of the roll strain gauges.
  • the tension pulley has a diameter resulting from the relationship h max / roll ⁇ yield point / modulus, where h max is the maximum thickness of the strip, D roll is the tension roll diameter, yield point is the yield point of the strip material, and modulus of elasticity is Modulus of elasticity of the strip material is.
  • h max is the maximum thickness of the strip
  • D roll is the tension roll diameter
  • yield point is the yield point of the strip material
  • modulus of elasticity Modulus of elasticity of the strip material is.
  • This large roll diameter avoids the introduction of ribbon form errors, such as longitudinal and transverse bends, into the strip.
  • the tension roller may be formed as a hollow shaft. This training also simplifies access to the measuring sensors.
  • measuring sensors in measuring rollers and training of measuring rollers is on DE 42 36 657 C2 .
  • DE 199 18 699 A1 and DE 196 16 980 A1 Reference is made to arrangements of measuring sensors in measuring rollers and disclose embodiments of measuring rollers
  • a measuring sensor may be a force transducer with a cover, which rests in the operating state with its surface directly on the surface of the tape to be tested.
  • the cover is preferably without wall contact exclusively in a recess in which the force transducer is arranged, displaceable in the direction of the axis of the measuring roller.
  • the cover may be acted upon by the deflection force of the belt, and the two opposite end faces of the force transducer are loaded by both of the one end face is clamped on the footprint of the recess, while the other of the Beauschlagung is exposed with the deflection force on the cover.
  • the belt treatment plant may comprise a tensioning roller set, in which the tensioning roller, which has at least one measuring sensor arranged on the circumference of the tensioning roller, is the tensioning roller closer to the treatment step in the direction of belt travel.
  • the tensioning roller which has at least one measuring sensor arranged on the circumference of the tensioning roller, is the tensioning roller closer to the treatment step in the direction of belt travel.
  • a belt treatment plant in the sense of the invention described is any conceivable device which is suitable for transport, for treatment, for coating or the like of a continuous belt.
  • the strip in a strip treatment plant according to the invention, can be guided around the tensioning roller with a wrapping angle of at least 180 °, in particular preferably of 270 °.
  • a tension roller may be used in the belt treatment plant for measuring the change of the strip tension from the inlet of the belt to the tensioning roller for the outfeed of the belt from the tensioning roller. In this way, results can be determined about the strip tension structure via the tension pulley.
  • belt treatment plant has a Einlaufspanntrommelsatz 1 with tension rollers 2,3,4,5. Downstream of the run-in tensioning drum set in the strip running direction is a stretch bending stand 6. The run-length bending stand 6 is followed downstream in the strip running direction by a run-out tensioning drum set 7 with tensioning rollers 8, 9, 10, 11. The tension roller 8 of the Auslaufspanntrommelsatzes 7 is designed as a tension roller with measuring sensors.
  • the Bandzug of the in Fig. 1 shown belt treatment plant incoming belt is increased by the Einlaufspanntrommelsatz.
  • the stretch bender 6 treats the strip.
  • the strip tension is lowered to a level determined for the subsequent method steps.
  • the band flatness is measured.
  • the measurement results of the flatness measurement are fed to the regulation of the stretch bending stand 6 in order to achieve a predetermined flatness.
  • Fig. 2 illustrated arrangement of Kraftmeßgeber arrangement is an all-round gap between the force transducer and its cover on the one hand and the interior of the recess 22 on the other.
  • This gap is preferably between 0.01 to 0.05 mm. It has been found that, under these conditions, there are no damages or marks on the surface of the belt running over the tension roller in the gap width.
  • the belt 28 passes over the roller body 24 and the Meßgeberabdeckung 23.
  • the encoder 21 is clamped with one of its end faces 31 on the contact surface 33. Its opposite end face 32 is subjected to the application of the deflecting force F via the cover 23.
  • the tension roller rests with its surface 27 and the surface 26 of the cover 23 in the operating state directly on the surface 29 of the strip 28 to be tested.
  • a gap 45 is provided between the cover 23 and the inner wall 30 of the recess 22.
  • belt treatment plant differs from the in Fig. 1 shown in that between the Einlaufspanntrommelsatz 1 with tension rollers 2,3,4,5 and the Auslaufspanntrommelsatz 7 with tensioners 8,9,10,11 no stretch bender 6 is provided.
  • the band treatment takes place here by means of stretching.
  • another tensioning roller pair 12, 13 and in the outlet tensioning drum set another tensioning roller pair 14, 15 is provided in the inlet tensioning drum set.
  • Fig. 4 is a combined treatment by stretching and stretch bending shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Nonmetallic Welding Materials (AREA)

Claims (10)

  1. Unité de traitement de feuillards équipée d'une paire de rouleaux tendeurs, dans laquelle le feuillard (28) est guidé par l'intermédiaire d'un rouleau tendeur (5) de la paire de rouleaux tendeurs et la tension dudit feuillard est respectivement augmentée ou diminuée, par ledit rouleau tendeur (5), entre l'arrivée sur ledit rouleau tendeur (5) et la sortie dudit rouleau tendeur (5), caractérisée par le fait que le rouleau tendeur (5) présente au moins un capteur de mesure disposé sur le pourtour dudit rouleau tendeur (5), en vue de détecter la distribution de la tension dans le feuillard (28).
  2. Unité de traitement de feuillards, selon la revendication 1, caractérisée par le fait que plusieurs capteurs de mesure sont agencés en une rangée dans la direction de l'axe longitudinal des rouleaux tendeurs.
  3. Unité de traitement de feuillards, selon l'une des revendications 1 ou 2, caractérisée par le fait que le rouleau tendeur (5) est revêtu.
  4. Unité de traitement de feuillards, selon l'une des revendications 1 à 3, caractérisée par le fait que le rouleau tendeur (5) est un arbre creux.
  5. Unité de traitement de feuillards, selon l'une des revendications 1 à 4, caractérisée par le fait qu'un capteur de mesure est un indicateur dynamométrique (21) muni d'une coiffe (23) qui porte directement par sa surface (26), à l'état opérant, contre la surface (29) du feuillard (28) devant être contrôlé.
  6. Unité de traitement de feuillards, selon la revendication 5, caractérisée par le fait que la coiffe (23) peut être animée de coulissements en direction de l'axe du rouleau mesureur, sans aucun contact entre parois, exclusivement dans un évidement (22) dans lequel l'indicateur dynamométrique (21) est logé.
  7. Unité de traitement de feuillards, selon la revendication 5 ou 6, caractérisée par le fait que la coiffe (23) est sollicitée par la force de renvoi du feuillard (28) ; et les deux faces frontales de l'indicateur dynamométrique (21), tournées à l'opposé l'une de l'autre, sont contraintes de façon telle que, au sein des deux faces frontales, l'une est plaquée sur la surface d'assise verticale (33) de l'évidement, tandis que l'autre est soumise à l'action de la force de renvoi, par l'intermédiaire de la coiffe (23).
  8. Unité de traitement de feuillards, selon l'une des revendications 1 à 7, caractérisée par le fait que le rouleau tendeur (5) de la paire de rouleaux tendeurs, qui est le plus proche de l'étape de traitement, est le rouleau tendeur (5) qui comporte au moins un capteur de mesure disposé sur le pourtour dudit rouleau tendeur (5), en vue de détecter la distribution de la tension dans le feuillard (28).
  9. Unité de traitement de feuillards, selon l'une des revendications 1 à 8, caractérisée par le fait que le feuillard (28) est guidé, autour du rouleau tendeur (5), selon un angle d'enlacement d'au moins 180°.
  10. Utilisation, dans une unité de traitement de feuillards selon l'une des revendications 1 à 9, du rouleau tendeur (5) comportant au moins un capteur de mesure disposé sur le pourtour dudit rouleau tendeur (5), en vue de détecter la distribution de la tension dans le feuillard (28), de manière à mesurer la variation de la traction dudit feuillard depuis l'arrivée sur ledit rouleau tendeur (5) jusqu'à la sortie dudit rouleau tendeur (5).
EP05778086A 2004-09-03 2005-09-02 Unite de traitement de feuillards et utilisation d'un rouleau tendeur dans une unite de traitment de feuillards Active EP1789211B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004043150A DE102004043150A1 (de) 2004-09-03 2004-09-03 Spannrolle für eine Bandbehandlungsanlage sowie Bandbehandlungsanlage und Verwendung der Spannrolle
PCT/EP2005/009461 WO2006027172A1 (fr) 2004-09-03 2005-09-02 Rouleau tendeur pour unite de traitement de feuillards, unite de traitement de feuillards et utilisation d'un rouleau tendeur

Publications (2)

Publication Number Publication Date
EP1789211A1 EP1789211A1 (fr) 2007-05-30
EP1789211B1 true EP1789211B1 (fr) 2008-11-19

Family

ID=35229708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05778086A Active EP1789211B1 (fr) 2004-09-03 2005-09-02 Unite de traitement de feuillards et utilisation d'un rouleau tendeur dans une unite de traitment de feuillards

Country Status (4)

Country Link
EP (1) EP1789211B1 (fr)
AT (1) ATE414575T1 (fr)
DE (2) DE102004043150A1 (fr)
WO (1) WO2006027172A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4005695A1 (fr) 2020-11-30 2022-06-01 VDEh-Betriebsforschungsinstitut GmbH Ensemble de rouleaux de tension pour une installation de dressage permettant de dresser une bande, installation de dressage, installation de laminage de correction et procédé de fonctionnement d'une installation de dressage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007006809B4 (de) * 2007-02-07 2009-04-16 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Verfahren und Vorrichtung zum kontinuierlichen Zugrecken eines Metallbandes
DE102008038551A1 (de) * 2008-08-20 2010-02-25 Siemens Aktiengesellschaft Verfahren zur Einstellung eines Zugspannung eines Bandes, Steuer- und/oder Regeleinrichtung, Speichermedium, Programmcode zur Durchführung des Verfahrens und eine Industrieanlage zum Bearbeiten von Band
US8707529B2 (en) 2008-12-11 2014-04-29 The Material Works, Ltd. Method and apparatus for breaking scale from sheet metal with recoiler tension and rollers adapted to generate scale breaking wrap angles
DE102016121448B4 (de) * 2016-11-09 2018-08-30 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Verfahren und Vorrichtung zum Streckbiegerichten eines Metallbandes
DE102018111627A1 (de) * 2018-01-23 2019-07-25 Klaus Lenz Streck-Biege-Richtanlage und Verfahren zu deren Betätigung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236657C2 (de) * 1992-10-30 2002-04-04 Betr Forsch Inst Angew Forsch Umlenkmeßrolle
DE19918699B4 (de) * 1999-04-26 2008-03-27 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Meßrolle zum Feststellen von Planheitsabweichungen
DE19945202A1 (de) * 1999-09-21 2001-03-22 Bfi Vdeh Inst Angewandte Forschung Gmbh Verfahren und Vorrichtung zum Walzen oder Wickeln von Band

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4005695A1 (fr) 2020-11-30 2022-06-01 VDEh-Betriebsforschungsinstitut GmbH Ensemble de rouleaux de tension pour une installation de dressage permettant de dresser une bande, installation de dressage, installation de laminage de correction et procédé de fonctionnement d'une installation de dressage
DE102020007286A1 (de) 2020-11-30 2022-06-02 VDEh-Betriebsforschungsinstitut Gesellschaft mit beschränkter Haftung Spannrollensatz für eine Richtanlage zum Richten eines Bandes, Richtanlage, Nachwalzgerüstanlage und Verfahren zum Betreiben einer Richtanlage
DE102020007286B4 (de) 2020-11-30 2023-05-04 VDEh-Betriebsforschungsinstitut Gesellschaft mit beschränkter Haftung Spannrollensatz für eine Richtanlage zum Richten eines Bandes, Richtanlage, Nachwalzgerüstanlage und Verfahren zum Betreiben einer Richtanlage

Also Published As

Publication number Publication date
DE502005006017D1 (de) 2009-01-02
ATE414575T1 (de) 2008-12-15
WO2006027172A1 (fr) 2006-03-16
EP1789211A1 (fr) 2007-05-30
DE102004043150A1 (de) 2006-03-09

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