EP1796858B2 - Dispositif pour l'etirement continu par traction d'une bande metallique - Google Patents

Dispositif pour l'etirement continu par traction d'une bande metallique Download PDF

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Publication number
EP1796858B2
EP1796858B2 EP05793007.5A EP05793007A EP1796858B2 EP 1796858 B2 EP1796858 B2 EP 1796858B2 EP 05793007 A EP05793007 A EP 05793007A EP 1796858 B2 EP1796858 B2 EP 1796858B2
Authority
EP
European Patent Office
Prior art keywords
roller
diameter
rollers
metal strip
strip
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
EP05793007.5A
Other languages
German (de)
English (en)
Other versions
EP1796858A1 (fr
EP1796858B1 (fr
Inventor
Andreas Gramer
Hans-Georg Hartung
Holger Behrens
Jan Christoph HÄUSLER
Fritz Luckmann
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.)
SMS Siemag AG
Original Assignee
SMS Siemag AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35355732&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1796858(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Priority to PL05793007T priority Critical patent/PL1796858T3/pl
Publication of EP1796858A1 publication Critical patent/EP1796858A1/fr
Application granted granted Critical
Publication of EP1796858B1 publication Critical patent/EP1796858B1/fr
Publication of EP1796858B2 publication Critical patent/EP1796858B2/fr
Not-in-force legal-status Critical Current
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
    • 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

Definitions

  • the invention relates to a device for continuously drawing a metal strip, which has at least three S-roller units in the belt conveying direction, each having at least two rollers, wherein the rollers are positioned so that they are wrapped by the metal strip over a circumferential roll angle of more than 180 °.
  • a device for drawing a metal strip and an associated method for its operation is known from EP 0 393 301 B2 known.
  • the metal strip to be stretched passes through five successively arranged roller units, which loop around the metal strand in an S shape and can build up a tensile stress in the metal strip by correspondingly driving the rollers of the roller units.
  • a plastic elongation in the metal strip is completed, which leads to a reduction of the strip thickness and bandwidth.
  • a tensile stress is built up in a first tensile region in the metal strip, which reaches almost to the yield strength ( ⁇ p 0.2 ) or even beyond.
  • the belt tension remains just below the yield strength, forms in conjunction with the finite bending radius to the role of the S-roll unit from a Vorreckzone, in which the bandwidth is elastically reduced.
  • the actual stretching is generated in a second, downstream in the conveying direction of the metal strip Werreck Scheme.
  • the strip tension for the elastic deformation of the strip is applied between a brake roller set and a pull roller set. In an intermediate pair of take-up rollers, the strip tension is generated for the plastic deformation of the strip.
  • the DE 21 18 051 A1 discloses a drafting equipment provided with S-roll restraints having a stretch-rate adjustment gear and an S-roll drawbar. In this case, rolls of the same diameter are driven by a common drive motor.
  • the invention is therefore based on the object to provide a drafting device of the type mentioned, with which the draft stretching process can be further improved.
  • the larger diameter roll of the S-roll unit has at least 1.5 times the diameter, preferably twice the diameter, of the smaller diameter roll.
  • the device has five S-roller units each having at least two rollers.
  • the fourth in the belt conveying direction S-roller unit on two rollers whose diameter is of different sizes.
  • the subsequent in the band conveying direction role of the fourth S-roll unit on the smaller diameter is of different sizes.
  • the third roller unit has two rollers which have a diameter which corresponds to the diameter of the larger roller of the second or fourth reel unit corresponds. Furthermore, the first and the fifth roller unit each have two rollers, which have a diameter corresponding to the diameter of the smaller roller of the second and fourth roller unit.
  • the second S-roll unit in the belt conveying direction may be provided with means for measuring the tension applied by the rollers to the metal belt.
  • the fourth in the belt conveying direction S-roller unit can be equipped with means for measuring the force applied by the rollers on the metal strip tensile force.
  • An advantageous "Speedmaster" operation can be realized when the fourth in the belt conveying direction S-roller unit is equipped with measuring means for measuring the conveying speed of the metal strip, which are in communication with a control or regulating device, wherein the control or regulating the drives at least a part of the S-roll units according to the determined conveying speed controls or regulates.
  • a method for operating the draw-stretching device which is not the subject of the claimed invention, is designed so that in the band-conveying direction second S-roll unit in the metal strip a tensile stress is built up which is between 96% and 100% of the yield strength of the material of the metal strip.
  • the tensile stress is preferably between 96% and 99.8%, ie just below 100%, of the yield strength of the material.
  • a tensile stress is built up which is more than 100% of the yield strength of the material of the metal strip.
  • a tensile stress is built up which is between 96% and 100% of the yield strength of the material of the metal strip or again just below (to 99.8% of the yield strength).
  • a tensile stress can be established which is more than 100% of the yield strength of the material of the metal strip, so that the metal strip is further plastically deformed.
  • FIG. 1 an embodiment of the invention is shown.
  • the single figure shows only very schematically a device for drawing a metal strip in the side view, wherein substantially only the rollers used are shown.
  • a metal strip 2 is processed, which may be a thin metal strip.
  • the metal strip may be made of steel, stainless steel or non-ferrous metal. Typical tape thicknesses can be between 0.05 and 0.5 mm.
  • the device 1 for stretching has five successively arranged S-roller tracks 3, 4, 5, 6 and 7.
  • Each S-roll unit 3, 4, 5, 6, 7 has two rollers 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17, wherein the rollers are arranged so that the metal strand 2 over a Roll circumference angle ⁇ of at least 180 ° around the rolls.
  • the roll circumferential angle ⁇ is entered as an example; it is about 210 °.
  • the rollers are drivable, so that a strip tension can be applied to the metal strand 2.
  • the metal strip 2 passes through the device 1 in the belt conveying direction R at a conveying speed v.
  • the strip tension is increased on the intake side by the surrounding system train level above the first S-roller unit 3.
  • Behind the S-roller unit 3 means 18 for measuring the tensile force in the metal strip 2 are arranged.
  • the tensile force behind the S-roller unit 3 must be known in order to define the train level for the further controlled train construction and then to be able to control or regulate.
  • the subsequent S-roll unit 4 has the two rollers 10 and 11, which have significantly different diameters, namely the diameter D 10 and D 11th
  • the roll diameter D 10 can be about 600 mm - values between 400 mm and 800 mm are typical - while the diameter D 11 can be 1,200 mm, with values between 1,000 mm and 1,400 mm being typical.
  • the first roller 10 of the S-roller unit 4 has the same diameter as the rollers 8 and 9 of the first S-roller unit 3.
  • the second S-roll unit 4 has means 19 for measuring the tensile force in the metal strip 2 (torque measurement).
  • the tape tension which is set between the rollers 10 and 11 by appropriate control of the drives of the rollers 10, 11, not shown, is at such a level that mathematically no Randfaserplastization the strip to be stretched occurs.
  • the following roll 11 of the S-roll unit 4 has the considerably larger diameter D 11 , this roll 11 builds the strip tension to a level of over 96% to just below 100% of the yield stress. Since the roller radius is finite, a marginal fiber strain can not be excluded by bending the band, but to reduce by the dimensioning of the diameter to an acceptable level.
  • the strip tension is then increased to the level necessary for the desired degree of stretching. Since the initial level of the strip tension is already very high, negative influences due to the lateral contraction blocked on the roll 12 are virtually eliminated. For this reason, the stretching distance between the rollers 12 and 13 can also be very short, since no voltage compensation is necessary.
  • the S-roll unit 6 is again designed with a large-diameter roll 14 and a subsequent small roll 15, wherein this roll unit 6 is mirror-inverted to the S-roll stand 4 before the Switzerlandreckrollenpress 12, 13 is formed.
  • the strip tension means 20 for measuring the tensile force are also provided in the S-roller unit 6 again.
  • a Bandzugi is set, in which a plasticization of the metal strip 2 is prevented at casserole on the then following small role 15.
  • the small roller 15 sets the tape tension level to that for the following level measurement required level.
  • the tape tension measurement is carried out by means 23 for measuring the tensile force.
  • the last, fifth S-roll unit 7 again corresponds in mirror image to the first S-roll unit 3 and has rollers 16, 17, which have the same small roll diameter as the rollers 10 and 15. This S-roll unit 7 lowers the tape tension to that for the subsequent plant part desired or required level.
  • measuring means 21 are arranged, which detect the conveying speed v of the metal strip 2.
  • the measuring means 21 forward the measured value to a control or regulating device 22, which - which is shown only very schematically - on the drives of the S-roller unit 3, 4, 5, 6, 7 acts so that a desired speed is achieved .
  • the roller 14, on which the conveying speed or belt speed is measured in the present case, thus functions as a "speed master" with a downstream speed-controlled main drive of the rollers or of the traction roller sets.
  • the strip tension is therefore held in front of the Werreckrollencru 12, 13 at a level between 96% to just below 100% of the yield limit; in Switzerlandreckrollencru 12, 13 of the necessary for the achievement of the set degree of stretching remaining portion of the strip tension is applied.
  • Behind the Buchreckrollencru 12, 13 of the strip tension is either lowered again to 96% to just below 100% of the yield limit train or the strip tension is increased to achieve a complementary further degree of stretching.
  • the last roller 11 of the S-roller unit 4 (brake roller guide) in front of the Switzerlandreckrollenschreib 12, 13 and the first roller 14 of the subsequent S-roller unit 6 (Zugrollengang) have the same diameter as the two rollers 12, 13 of the S-roller unit 5. This diameter is - as explained - much larger than the Diameter of the remaining rollers 8, 9, 10, 15, 16 and 17, which all have the same diameter.
  • the metal strip 2 between the two rollers 10 and 11 has a tension of about 55 to 70% of the yield strength of the material.
  • a tensile stress prevails between 96% to just below 100% of the yield strength; this area is the pre-stretch zone.
  • the first main stretching zone is between the rolls 12 and 13.
  • the second main stretching zone is the section between the rolls 13 and 14, where again usually a tensile stress of between 96% to just below 100% of the yield strength.
  • Between the rollers 14 and 15 is again - mirror image - a tensile stress of about 55 to 70% of the yield strength of the material before.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Metal Rolling (AREA)
  • Coating With Molten Metal (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Replacement Of Web Rolls (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (5)

  1. Dispositif (1) pour l'étirage en continu par traction d'une bande métallique (2), qui présente, dans le sens d'avancement de la bande (R) au moins trois unités de rouleaux S (3, 4, 5, 6, 7) comprenant à chaque fois au moins deux rouleaux (8, 9, 10, 11, 12, 13, 14, 15, 16, 17), les rouleaux (8, 9, 10, 11, 12, 13, 14, 15, 16, 17) étant positionnés de manière telle qu'ils sont enlacés par la bande métallique (2) sur un angle périphérique du rouleau (α) de plus de 180°, deux unités de rouleaux R (4, 6) présentant deux rouleaux de diamètre différent (D10, D11 ; D14, D15), dont le rouleau présentant le diamètre le plus grand présente un diamètre supérieur d'un facteur d'au moins 1,25 par rapport au diamètre du rouleau le plus petit, le dispositif (1) présentant cinq unités de rouleaux S (3, 4, 5, 6, 7) avec à chaque fois au moins deux rouleaux (8, 9, 10, 11, 12, 13, 14, 15, 16, 17) et, dans la quatrième unité de rouleaux S (6), le rouleau (15) subséquent dans le sens d'avancement de la bande (R) présentant le diamètre (D15) le plus petit, et la première et la cinquième unité de rouleaux (3, 7) présentant chacune deux rouleaux (8, 9, 16, 17) qui ont un diamètre (D8, D9, D16, D17) qui correspond au diamètre (D10, D15) des petits rouleaux (10, 15) de la deuxième ou quatrième unité de rouleaux (4, 6) caractérisé
    en ce que le rouleau subséquent (11) dans la deuxième unité de rouleaux en S (4) dans le sens d'avancement de la bande présente le diamètre le plus grand (D11) et la troisième unité de rouleaux (5) présente deux rouleaux (12, 13) qui présentent un diamètre (D12, D13) qui correspond au diamètre (D11, D14) du rouleau le plus grand (11, 14) de la deuxième ou de la quatrième unité de rouleaux (4, 6).
  2. Dispositif selon la revendication 1, caractérisé
    en ce que sont disposés, dans le sens d'avancement de la bande (R), en aval de la première unité de rouleaux (3), des moyens (18) pour mesurer la force de traction qui règne dans la bande métallique (2).
  3. Dispositif selon la revendication 1 ou 2, caractérisé
    en ce que la deuxième unité de rouleaux S (4) dans le sens d'avancement de la bande (R) est équipée de moyens (19) pour mesurer la force de traction appliquée par les rouleaux (10, 11) sur la bande métallique (2).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé
    en ce que la quatrième unité de rouleaux S (6) dans le sens d'avancement de la bande (R) est équipée de moyens (20) pour mesurer la force de traction appliquée par les rouleaux (14, 15) sur la bande métallique (2).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé
    en ce que la quatrième unité de rouleaux S (6) dans le sens d'avancement de la bande (R) est équipée de moyens de mesure (21) pour mesurer la vitesse d'avancement (v) de la bande métallique (2), qui sont raccordés à un dispositif de commande ou de régulation (22), le dispositif de commande ou de régulation (22) commandant ou régulant les dispositifs d'entraînement d'au moins une partie des unités de rouleaux en S (3, 4, 5, 6, 7) selon la vitesse d'avancement (v) déterminée.
EP05793007.5A 2004-10-06 2005-09-19 Dispositif pour l'etirement continu par traction d'une bande metallique Not-in-force EP1796858B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05793007T PL1796858T3 (pl) 2004-10-06 2005-09-19 Urządzenie do ciągłego wydłużania przez rozciąganie taśmy metalowej i sposób eksploatacji takiego urządzenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004048658A DE102004048658A1 (de) 2004-10-06 2004-10-06 Vorrichtung zum kontinuierlichen Zugrecken eines Metallbandes und Verfahren zum Betreiben einer solchen Vorrichtung
PCT/EP2005/010078 WO2006037456A1 (fr) 2004-10-06 2005-09-19 Dispositif pour l'etirement continu par traction d'une bande metallique et procede pour faire fonctionner un tel dispositif

Publications (3)

Publication Number Publication Date
EP1796858A1 EP1796858A1 (fr) 2007-06-20
EP1796858B1 EP1796858B1 (fr) 2008-07-23
EP1796858B2 true EP1796858B2 (fr) 2014-11-19

Family

ID=35355732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05793007.5A Not-in-force EP1796858B2 (fr) 2004-10-06 2005-09-19 Dispositif pour l'etirement continu par traction d'une bande metallique

Country Status (17)

Country Link
US (1) US20080047314A1 (fr)
EP (1) EP1796858B2 (fr)
JP (1) JP2008515637A (fr)
KR (1) KR20070051830A (fr)
CN (1) CN100531949C (fr)
AT (1) ATE401975T1 (fr)
AU (1) AU2005291607A1 (fr)
BR (1) BRPI0514028A (fr)
CA (1) CA2574710A1 (fr)
DE (2) DE102004048658A1 (fr)
ES (1) ES2308552T3 (fr)
MX (1) MX2007004092A (fr)
MY (1) MY139051A (fr)
PL (1) PL1796858T3 (fr)
RU (1) RU2344894C2 (fr)
TW (1) TWI332867B (fr)
WO (1) WO2006037456A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008045340A1 (de) * 2008-09-01 2010-03-04 Siemens Aktiengesellschaft Betriebsverfahren für einen Streckrichter mit überlagerter Elongationsregelung und unterlagerter Zugregelung
US9221088B2 (en) * 2009-04-21 2015-12-29 Fairmont Technologies, Llc Stretch roll forming
FR3027920B1 (fr) * 2014-10-29 2019-03-29 Fives Stein Procede d'orientation de grains de tole d'acier, dispositif s'y rapportant, et installation mettant en oeuvre ce procede ou ce dispositif

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636707C2 (fr) † 1986-10-28 1992-07-02 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh, 4100 Duisburg, De
EP0936954B1 (fr) † 1996-11-06 2000-07-26 Kampf GmbH & Co. Maschinenfabrik Dispositif pour etirer de fines bandes de metal par traction
EP1245301A2 (fr) † 2001-03-26 2002-10-02 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Dispositif de redressage par étirage pour bandes d'acier ou de métal
EP1479460A1 (fr) † 2003-05-23 2004-11-24 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Procédé et dispositif de dressage par étirage de façon continue de bandes métalliques

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2118051C3 (de) * 1971-04-14 1975-10-23 Ungerer Geb. Dollinger, Irma, 7530 Pforzheim Streckrichtanlage
US3798951A (en) * 1972-10-03 1974-03-26 Herr Voss Corp Torque distribution system
JPS6120622A (ja) * 1984-07-10 1986-01-29 Mitsubishi Heavy Ind Ltd テンシヨンレベラ制御方法
DE3912676A1 (de) * 1989-04-18 1990-10-25 Bwg Bergwerk Walzwerk Verfahren und vorrichtung zum kontinuierlichen zugrecken von duennen baendern, insbesondere von metallischen baendern
US5497817A (en) * 1992-05-25 1996-03-12 Nippon Steel Corporation Method for continuously annealing steel strip

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636707C2 (fr) † 1986-10-28 1992-07-02 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh, 4100 Duisburg, De
EP0936954B1 (fr) † 1996-11-06 2000-07-26 Kampf GmbH & Co. Maschinenfabrik Dispositif pour etirer de fines bandes de metal par traction
EP1245301A2 (fr) † 2001-03-26 2002-10-02 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Dispositif de redressage par étirage pour bandes d'acier ou de métal
EP1479460A1 (fr) † 2003-05-23 2004-11-24 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Procédé et dispositif de dressage par étirage de façon continue de bandes métalliques

Also Published As

Publication number Publication date
CN100531949C (zh) 2009-08-26
ATE401975T1 (de) 2008-08-15
AU2005291607A1 (en) 2006-04-13
TWI332867B (en) 2010-11-11
WO2006037456A1 (fr) 2006-04-13
DE102004048658A1 (de) 2006-04-20
CN101018625A (zh) 2007-08-15
PL1796858T3 (pl) 2009-01-30
RU2007103836A (ru) 2007-08-10
US20080047314A1 (en) 2008-02-28
KR20070051830A (ko) 2007-05-18
JP2008515637A (ja) 2008-05-15
MX2007004092A (es) 2007-08-07
EP1796858A1 (fr) 2007-06-20
DE502005004833D1 (de) 2008-09-04
CA2574710A1 (fr) 2006-04-13
RU2344894C2 (ru) 2009-01-27
BRPI0514028A (pt) 2008-05-27
MY139051A (en) 2009-08-28
ES2308552T3 (es) 2008-12-01
EP1796858B1 (fr) 2008-07-23
TW200621395A (en) 2006-07-01

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