EP1961502A3 - Verfahren sowie Vorrichtung zum Biegen von Werkstücken - Google Patents

Verfahren sowie Vorrichtung zum Biegen von Werkstücken Download PDF

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Publication number
EP1961502A3
EP1961502A3 EP08405039.2A EP08405039A EP1961502A3 EP 1961502 A3 EP1961502 A3 EP 1961502A3 EP 08405039 A EP08405039 A EP 08405039A EP 1961502 A3 EP1961502 A3 EP 1961502A3
Authority
EP
European Patent Office
Prior art keywords
bending
workpiece
angle
punch
die
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
EP08405039.2A
Other languages
English (en)
French (fr)
Other versions
EP1961502A2 (de
EP1961502B1 (de
Inventor
Gerrit Gerritsen
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.)
Bystronic Laser AG
Original Assignee
Bystronic Laser 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
Application filed by Bystronic Laser AG filed Critical Bystronic Laser AG
Publication of EP1961502A2 publication Critical patent/EP1961502A2/de
Publication of EP1961502A3 publication Critical patent/EP1961502A3/de
Application granted granted Critical
Publication of EP1961502B1 publication Critical patent/EP1961502B1/de
Active 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • 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
    • B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
    • 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
    • B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

Es wird ein Verfahren zum Biegen von Werkstücken (20) mit Hilfe einer einen Biegestempel (5) sowie eine Matrize (13) umfassenden Biegevorrichtung (1) vorgeschlagen. Vor dem eigentlichen Biegevorgang wird zumindest eine Referenzbiegung durchgeführt, bei der während des Biegevorgangs verschiedene Biegewinkel zusammen mit der zugehörigen Eindringtiefe des Stempels (5) in die Matrize (13) sowie der Biegekraft erfasst werden. Zusätzlich wird für verschiedene Biegewinkel auch die Schenkellänge und/oder die Schenkellängenveränderung des Werkstücks (20) bestimmt und abgespeichert. Alternativ oder ergänzend kann auch noch der k-Faktor und der Biegeinnenradius für das Werkstück (20) berechnet und abgespeichert werden. Die erfassten Werte werden derart abgespeichert, dass bei nachfolgenden Biegevorgängen darauf zurückgegriffen werden kann, um die für einen bestimmten Sollbiegewinkel notwendige Eindringtiefe des Stempels (5) in die Matrize (13) zu berechnen. Zur Bestimmung des Biegewinkels wie auch der Schenkellänge ist die Biegevorrichtung mit einem Messsystem (16) ausgerüstet, das zumindest eine Lichtquelle sowie eine Kamera aufweist. Die Lichtquelle projiziert zur Bestimmung des Biegewinkels einen linienförmigen Lichtstrahl (17) derart auf das Werkstück (20), dass mittels einer Kamera die Lage der auf die Oberfläche des Werkstücks (20) gerichteten Linie gemessen und aufgrund des zwischen Licht und Kameraachse eingeschlossenen Winkels der Biegewinkel berechnet werden kann.
EP20080405039 2007-02-23 2008-02-14 Verfahren sowie Vorrichtung zum Biegen von Werkstücken Active EP1961502B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3112007 2007-02-23

Publications (3)

Publication Number Publication Date
EP1961502A2 EP1961502A2 (de) 2008-08-27
EP1961502A3 true EP1961502A3 (de) 2013-09-11
EP1961502B1 EP1961502B1 (de) 2014-10-22

Family

ID=38229057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080405039 Active EP1961502B1 (de) 2007-02-23 2008-02-14 Verfahren sowie Vorrichtung zum Biegen von Werkstücken

Country Status (2)

Country Link
EP (1) EP1961502B1 (de)
PT (1) PT1961502E (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT508357B1 (de) 2009-06-29 2011-01-15 Trumpf Maschinen Austria Gmbh Verfahren und vorrichtung zum laserunterstützten biegen von werkstücken
AT508355B1 (de) * 2009-06-29 2011-01-15 Trumpf Maschinen Austria Gmbh Verfahren und vorrichtung zum biegen eines werkstücks
AT508356B1 (de) * 2009-06-29 2011-01-15 Trumpf Maschinen Austria Gmbh Vorrichtung und verfahren zum biegen eines werkstücks
US8683834B1 (en) * 2009-07-16 2014-04-01 Robert Macaulay Determining and exporting K-factors and bend allowance based on measured bend radius
AT508857B1 (de) * 2009-10-14 2011-07-15 Trumpf Maschinen Austria Gmbh Verfahren zur bestimmung der dicke eines werkstückes mit einer biegemaschine
DE102010009811B4 (de) 2010-03-02 2013-05-16 Mtu Aero Engines Gmbh Biegevorrichtung zum Biegen einer Schaufel eines Schaufelrings
ES2694144T3 (es) * 2012-10-12 2018-12-18 Nivora Ip B.V. Sistema y método de medición para medir un ángulo
AT515671B1 (de) * 2014-06-23 2015-11-15 Trumpf Maschinen Austria Gmbh Biegewinkelmessvorrichtung für eine Biegepresse
CN104942045A (zh) * 2015-06-24 2015-09-30 苏州边桐传感科技有限公司 基于压力感应控制的折弯加工装置
CN104942076A (zh) * 2015-06-25 2015-09-30 苏州边桐传感科技有限公司 带角度调控与阶段折弯的钣金折弯系统及方法
AT520563B1 (de) * 2017-12-22 2019-05-15 Trumpf Maschinen Austria Gmbh & Co Kg Bestimmung der Biegeverkürzung eines zu biegenden Blechwerkstückes
CN108941261B (zh) * 2018-06-06 2020-06-26 中山市特达机械科技有限公司 一种钢板压弯装置
CN109500156B (zh) * 2018-12-28 2023-06-20 天津航天长征火箭制造有限公司 一种高筋厚比内网格壁板弯曲成型装置及方法
AT523360B1 (de) * 2019-12-19 2022-05-15 Trumpf Maschinen Austria Gmbh & Co Kg Biegemaschine und Kontrolleinrichtung
CN112536344B (zh) * 2020-11-03 2023-04-07 江苏威莱特科技有限公司 板材折弯角度控制系统
JP2022142381A (ja) * 2021-03-16 2022-09-30 株式会社アマダ 曲げ加工方法及び曲げ加工システム
CN114309149B (zh) * 2022-01-05 2024-02-02 河北省送变电有限公司 一种输电铁塔板材制弯角度实时感应装置及角度感应方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564765A (en) * 1982-04-29 1986-01-14 Karl Mengele & Sohne Gmbh & Co. Optoelectronic method and apparatus for measuring the bending angle of materials
JPS6321505A (ja) * 1986-07-16 1988-01-29 Amutetsuku:Kk 折曲げ加工機用ワーク傾斜角度測定装置
EP1398094A1 (de) * 2002-09-11 2004-03-17 Trumpf Werkzeugmaschinen GmbH + Co. KG Verfahren und Vorrichtung zur Bestimmung der Schenkellänge an einem Biegeteil
DE102005012384A1 (de) * 2005-03-17 2006-07-13 Siemens Ag Verfahren zum Freibiegen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389829B (de) 1988-05-03 1990-02-12 Haemmerle Ag Verfahren zum biegen von blechstuecken mit hilfe einer biegeeinrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564765A (en) * 1982-04-29 1986-01-14 Karl Mengele & Sohne Gmbh & Co. Optoelectronic method and apparatus for measuring the bending angle of materials
JPS6321505A (ja) * 1986-07-16 1988-01-29 Amutetsuku:Kk 折曲げ加工機用ワーク傾斜角度測定装置
EP1398094A1 (de) * 2002-09-11 2004-03-17 Trumpf Werkzeugmaschinen GmbH + Co. KG Verfahren und Vorrichtung zur Bestimmung der Schenkellänge an einem Biegeteil
DE102005012384A1 (de) * 2005-03-17 2006-07-13 Siemens Ag Verfahren zum Freibiegen

Also Published As

Publication number Publication date
EP1961502A2 (de) 2008-08-27
PT1961502E (pt) 2014-11-06
EP1961502B1 (de) 2014-10-22

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