EP1245301A2 - Dispositif de redressage par étirage pour bandes d'acier ou de métal - Google Patents

Dispositif de redressage par étirage pour bandes d'acier ou de métal Download PDF

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Publication number
EP1245301A2
EP1245301A2 EP02002495A EP02002495A EP1245301A2 EP 1245301 A2 EP1245301 A2 EP 1245301A2 EP 02002495 A EP02002495 A EP 02002495A EP 02002495 A EP02002495 A EP 02002495A EP 1245301 A2 EP1245301 A2 EP 1245301A2
Authority
EP
European Patent Office
Prior art keywords
stretching
train
zone
section
length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02002495A
Other languages
German (de)
English (en)
Other versions
EP1245301B1 (fr
EP1245301A3 (fr
Inventor
Andreas Dr. Noé
Rolf Dipl Ing Noé
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.)
BWG Bergwerk und Walzwerk Maschinenbau GmbH
Original Assignee
BWG Bergwerk und Walzwerk Maschinenbau 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 BWG Bergwerk und Walzwerk Maschinenbau GmbH filed Critical BWG Bergwerk und Walzwerk Maschinenbau GmbH
Publication of EP1245301A2 publication Critical patent/EP1245301A2/fr
Publication of EP1245301A3 publication Critical patent/EP1245301A3/fr
Application granted granted Critical
Publication of EP1245301B1 publication Critical patent/EP1245301B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 train stretching system for steel and Metal strips according to the preamble of claim 1.
  • the tension in the pre-stretching zone is increased almost to the yield point R p 0.2 , so that a slight elastoplastic pre-stretching takes place in connection with the bending action due to the finite diameter of the tensioning drums. Part or all of the flatness in the strip is corrected in the stretching zone. Theoretically, it is also conceivable to raise the belt tension in the pre-stretching zone to or above the value R p 0.2 .
  • a train stretching system with a brake roller set is also known as well as a pull roller set, being between the pull roller set and a central stretching roller a first Stretching section and between the central stretching roll and the Pull roller set a second stretch are realized (see DE 196 45 599 A1).
  • the invention has for its object a train stretching system to create, with which you can easily good steel and metal strips to be treated Get flatness results.
  • FIG. 1 shows a prior art stretching machine with rolls 1 'to 10' and with a first stretching section or pre-stretching zone R 1 and a second stretching section or post-stretching zone R 2
  • FIG. 2 shows the solution according to the invention with rolls 1 to 9, with a first stretching section or pre-stretching zone R 1 and a second stretching section or post-stretching zone R 2 and an in-line crossbow measurement M.
  • FIG. 4 shows as example 1 and FIG. 5 as Example 2 the normalized longitudinal stress as a function of half bandwidth.
  • the proposed new solution means in comparison with the previous solution (Fig. 1) a simplification in machine effort (one less role) and an improvement in the judging result.
  • the wrap angle Roll 5 only needs to be large enough to increase the strip tension by 1 - 10% without being able to transfer slip.
  • the length of a stretching zone should also not increase become large, since the degree of stretching is always the average value is over the stretching zone. Because of fluctuations in thickness and strength in the band over the band length can in the Practice local stretch level differences occur when the Stretching zone is too long.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
EP02002495A 2001-03-26 2002-02-02 Dispositif de redressage par étirage pour bandes d'acier ou de métal Expired - Lifetime EP1245301B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114883 2001-03-26
DE10114883A DE10114883C1 (de) 2001-03-26 2001-03-26 Zugreckanlage für Stahl- und Metallbänder

Publications (3)

Publication Number Publication Date
EP1245301A2 true EP1245301A2 (fr) 2002-10-02
EP1245301A3 EP1245301A3 (fr) 2003-05-07
EP1245301B1 EP1245301B1 (fr) 2007-03-21

Family

ID=7679134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02002495A Expired - Lifetime EP1245301B1 (fr) 2001-03-26 2002-02-02 Dispositif de redressage par étirage pour bandes d'acier ou de métal

Country Status (5)

Country Link
US (1) US6691541B2 (fr)
EP (1) EP1245301B1 (fr)
AT (1) ATE357299T1 (fr)
DE (2) DE10114883C1 (fr)
ES (1) ES2282334T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1796858B2 (fr) † 2004-10-06 2014-11-19 SMS Siemag AG Dispositif pour l'etirement continu par traction d'une bande metallique
CN104624728A (zh) * 2014-12-19 2015-05-20 河南北方星光机电有限责任公司 一种校平装置
CN106563698A (zh) * 2015-10-07 2017-04-19 财团法人金属工业研究发展中心 金属板材厚度精密控制设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10323811A1 (de) * 2003-05-23 2005-01-13 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Verfahren zum kontinuierlichen Zugrecken von metallischen Bändern und Zugreckanlage
US20110094085A1 (en) * 2008-05-23 2011-04-28 Mitsubishi Shindoh Co., Ltd. Method for producing contour strip

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783667A (en) * 1971-04-14 1974-01-08 Ungerer Irma Apparatus for straightening metal by stretching
US5341664A (en) * 1992-09-10 1994-08-30 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Roll set for thin metal strip
US5535610A (en) * 1993-07-13 1996-07-16 Bwg Bergwerk-Und Walzwerk-Maschinenbau Gmbh Method and apparatus for eliminating crossbow in metal strip
EP0824046A1 (fr) * 1996-08-12 1998-02-18 Kawasaki Steel Corporation Dispositif de correction de la planéité d'une bande laminée à froid
US6109084A (en) * 1996-11-06 2000-08-29 Kampf Gmbh & Co. Maschinenfabrik Device for stretching thin metal strips by traction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526296A (en) * 1943-08-12 1950-10-17 United Eng Foundry Co Method and apparatus for processing strip metal
US2370895A (en) * 1944-04-28 1945-03-06 Wean Engineering Co Inc Method and apparatus for rolling strip
DE3636707A1 (de) * 1986-10-28 1988-05-19 Bwg Bergwerk Walzwerk Vorrichtung zum streckbiegerichten von metallbaendern
DE3912676A1 (de) * 1989-04-18 1990-10-25 Bwg Bergwerk Walzwerk Verfahren und vorrichtung zum kontinuierlichen zugrecken von duennen baendern, insbesondere von metallischen baendern
FR2715592B1 (fr) * 1994-02-01 1996-04-12 Clecim Sa Procédé et installation de planage d'une bande métallique mince.
DE19509067A1 (de) * 1995-03-14 1996-09-19 Bwg Bergwerk Walzwerk Verfahren zum kontinuierlichen Richten von dünnen Metallbändern, insbesondere von Aluminium- und Edelstahl-Bändern mit Banddicken von 0,1 mm bis 0,5 mm, und Richtanlage zur Durchführung des Verfahrens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783667A (en) * 1971-04-14 1974-01-08 Ungerer Irma Apparatus for straightening metal by stretching
US5341664A (en) * 1992-09-10 1994-08-30 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Roll set for thin metal strip
US5535610A (en) * 1993-07-13 1996-07-16 Bwg Bergwerk-Und Walzwerk-Maschinenbau Gmbh Method and apparatus for eliminating crossbow in metal strip
EP0824046A1 (fr) * 1996-08-12 1998-02-18 Kawasaki Steel Corporation Dispositif de correction de la planéité d'une bande laminée à froid
US6109084A (en) * 1996-11-06 2000-08-29 Kampf Gmbh & Co. Maschinenfabrik Device for stretching thin metal strips by traction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
THIES H ET AL: "EINFLUSSGROESSEN BEIM STRECKBIEGERICHTEN, INSBESONDERE AUF DIE EBENHEIT VON STAHLBAENDERN" STAHL UND EISEN, VERLAG STAHLEISEN GMBH. DUSSELDORF, DE, Bd. 111, Nr. 4, 15. April 1991 (1991-04-15), Seiten 87-93,204, XP000215732 ISSN: 0340-4803 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1796858B2 (fr) † 2004-10-06 2014-11-19 SMS Siemag AG Dispositif pour l'etirement continu par traction d'une bande metallique
CN104624728A (zh) * 2014-12-19 2015-05-20 河南北方星光机电有限责任公司 一种校平装置
CN106563698A (zh) * 2015-10-07 2017-04-19 财团法人金属工业研究发展中心 金属板材厚度精密控制设备

Also Published As

Publication number Publication date
US6691541B2 (en) 2004-02-17
EP1245301B1 (fr) 2007-03-21
DE10114883C1 (de) 2002-10-31
EP1245301A3 (fr) 2003-05-07
DE50209747D1 (de) 2007-05-03
ES2282334T3 (es) 2007-10-16
ATE357299T1 (de) 2007-04-15
US20020157440A1 (en) 2002-10-31

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