EP2125261B1 - Vorrichtung und verfahren zum biegen von blechen zur herstellung von rohren - Google Patents

Vorrichtung und verfahren zum biegen von blechen zur herstellung von rohren Download PDF

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Publication number
EP2125261B1
EP2125261B1 EP08716691A EP08716691A EP2125261B1 EP 2125261 B1 EP2125261 B1 EP 2125261B1 EP 08716691 A EP08716691 A EP 08716691A EP 08716691 A EP08716691 A EP 08716691A EP 2125261 B1 EP2125261 B1 EP 2125261B1
Authority
EP
European Patent Office
Prior art keywords
forming
forming tool
roller
bending
metal sheet
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
EP08716691A
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English (en)
French (fr)
Other versions
EP2125261A1 (de
Inventor
Pierangelo Pasquettin
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.)
Ttengineering Srl
Original Assignee
Ttengineering Srl
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 Ttengineering Srl filed Critical Ttengineering Srl
Priority to PL08716691T priority Critical patent/PL2125261T3/pl
Publication of EP2125261A1 publication Critical patent/EP2125261A1/de
Application granted granted Critical
Publication of EP2125261B1 publication Critical patent/EP2125261B1/de
Active 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
    • B21D5/146—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers one roll being covered with deformable material
    • 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
    • B21D5/10—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 for making tubes
    • B21D5/12—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 for making tubes making use of forming-rollers

Claims (4)

  1. Maschine zur herstellung von röhren vom typ mit einem kalandriervorrichtung dass das blech mit einem elastomeren rolle vorgesehen kurven (1) parallel zu dem formwerkzeug (2) befindet, mit einer starren struktur aus metall (3) angeordnet parallel zum formwerkzeug (2) geeignet, um die biegung der grenze sagte formwerkzeug (2) einbettung geräte (4,1 und 4,2) geeignet und umfassend zu fest verriegeln beiden enden (5,1 und 5,2) des formwerkzeugs (2) in kraft, daß man dadurch die einbettung gerät (4.1) besteht aus zwei backen;
  2. Maschine nach anspruch 1 dadurch gekennzeichnet, dass das formwerkzeug (2) aufweist:
    - eine formrolle (6) eingebaut in einer shell (7);
    - hilfs-formrollen (8) symmetrisch am umfang der formrolle (6) gelegt.
  3. Biegen verfahren des blechs mit der maschine nach den ansprüchen 1 oder 2, dadurch gekennzeichnet, dass sie umfasst die folgenden phasen:
    1 die rotation der formwerkzeug (2) in bezug auf die mittelachse des formrolle (6) zu einem der hilfs-formrollen (8) oder die billdung rolle (6) entsprechend dem vorgegebenen verarbeitung programm zu beteiligen;
    2 biegen des blechs bis im wesentlichen 180°;
    3 umdrehung des formwerkzeugs (2) in bezug auf die mittelachse des formrolle (6) in einem diametral entgegengesetzten standpunkt, dass für die stufe 1 verwendet werden;
    4 biegen des blechs bis zu wesentlichen 180°.
  4. Biegevorganges nach anspruch 3 dadurch gekennzeichnet, dass zumindest für die erste und / oder die letzten zentimeter des bleches die stufen 1 bis 4 durch folgende stufe substituiert sind gekennzeichnet: durch drücken der elastomeren walze (1) gegen die bildung werkzeug (2) nach einem vorgegebenen programm variable
EP08716691A 2007-03-27 2008-03-26 Vorrichtung und verfahren zum biegen von blechen zur herstellung von rohren Active EP2125261B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08716691T PL2125261T3 (pl) 2007-03-27 2008-03-26 Urządzenie oraz sposób gięcia arkuszy blachy do wytwarzania rur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000608A ITMI20070608A1 (it) 2007-03-27 2007-03-27 Macchina e procedimento per la curvatura di lamiere per la fabbricazione ditubi
PCT/EP2008/002369 WO2008116634A1 (en) 2007-03-27 2008-03-26 Apparatus and method for bending of sheets for the manufacture of tubes

Publications (2)

Publication Number Publication Date
EP2125261A1 EP2125261A1 (de) 2009-12-02
EP2125261B1 true EP2125261B1 (de) 2011-08-31

Family

ID=39580467

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08716691A Active EP2125261B1 (de) 2007-03-27 2008-03-26 Vorrichtung und verfahren zum biegen von blechen zur herstellung von rohren

Country Status (5)

Country Link
EP (1) EP2125261B1 (de)
AT (1) ATE522294T1 (de)
IT (1) ITMI20070608A1 (de)
PL (1) PL2125261T3 (de)
WO (1) WO2008116634A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205689A (en) * 1962-10-08 1965-09-14 Union Carbide Corp Apparatus for forming metal
US3371513A (en) * 1965-12-09 1968-03-05 Kaufmann Tool & Engineering Co Open end rolling machine
US3478555A (en) * 1966-12-15 1969-11-18 Kaufmann Tool & Eng Corp Two-roll machine for rolling sheet metal
JPS60145223A (ja) * 1984-01-07 1985-07-31 Masanori Mochizuki ロ−ル曲げ方法及びロ−ル曲げ装置
CH665572A5 (de) * 1984-11-30 1988-05-31 Kz Aviatsion Inst Tupoleva Zweiwalzen-blechbiegemaschine.
JP3325037B2 (ja) * 1991-09-20 2002-09-17 アイセル株式会社 ロール曲げ装置
DE9305070U1 (de) * 1993-04-02 1994-08-04 Fastenrath Fasti Werk Maschine zur Herstellung eines Rohrstutzens
JP3770683B2 (ja) * 1997-02-13 2006-04-26 アイセル株式会社 ロール曲げ装置

Also Published As

Publication number Publication date
ATE522294T1 (de) 2011-09-15
ITMI20070608A1 (it) 2008-09-28
WO2008116634A1 (en) 2008-10-02
PL2125261T3 (pl) 2012-01-31
EP2125261A1 (de) 2009-12-02

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