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EP3225322A3 - Method and bending machine for making a multi-dimensional curved bent component - Google Patents

Method and bending machine for making a multi-dimensional curved bent component Download PDF

Info

Publication number
EP3225322A3
EP3225322A3 EP17161088.4A EP17161088A EP3225322A3 EP 3225322 A3 EP3225322 A3 EP 3225322A3 EP 17161088 A EP17161088 A EP 17161088A EP 3225322 A3 EP3225322 A3 EP 3225322A3
Authority
EP
European Patent Office
Prior art keywords
rotational position
workpiece
bending machine
rotation
clamping device
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
EP17161088.4A
Other languages
German (de)
French (fr)
Other versions
EP3225322B1 (en
EP3225322A2 (en
Inventor
Volker Kalkau
Claus Denkinger
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.)
Wafios AG
Original Assignee
Wafios 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 Wafios AG filed Critical Wafios AG
Publication of EP3225322A2 publication Critical patent/EP3225322A2/en
Publication of EP3225322A3 publication Critical patent/EP3225322A3/en
Application granted granted Critical
Publication of EP3225322B1 publication Critical patent/EP3225322B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • 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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/12—Bending rods, profiles, or tubes with programme control

Landscapes

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

Abstract

Bei einem Verfahren zur Herstellung eines zwei- oder dreidimensional gebogenen Biegeteils aus einem abgelängten rohr- oder stabförmigen Werkstück (W) mittels einer numerisch gesteuerten wird das Werkstück vor einer Biegeoperation mithilfe einer Markierung (M) an der Umfangsfläche in eine Soll-Drehlage bezüglich seiner Längsmittelachse gebracht und anschließend gebogen. Dazu wird ein Endabschnitt des Werkstücks in eine Spannvorrichtung (110) der Biegemaschine eingespannt. Die Spannvorrichtung ist mittels einer Rotationseinheit um eine Drehachse (112) drehbar und parallel zur Drehachse verfahrbar. Das Verfahren ist gekennzeichnet durch eine automatische Ausrichtoperation mit folgenden Schritten: Erfassen der Markierung (M) mittels eines Kamerasystems (160); Ermitteln von Drehlageninformation aus mindestens einem Messbild des Kamerasystems (160); und Steuern der Rotationseinheit in Abhängigkeit von der ermittelten Drehlageninformation zur Drehung des eingespannten Werkstücks (W) mittels der Spannvorrichtung (110) in die Soll-Drehlage, wenn sich das Werkstück nach dem Einspannen nicht in der Soll-Drehlage befindet. Beschrieben wird auch eine zur Durchführung des Verfahrens konfigurierte Biegemaschine.

Figure imgaf001
In a method for producing a two- or three-dimensionally bent bent part from a cut tubular or rod-shaped workpiece (W) by means of a numerically controlled workpiece before a bending operation by means of a mark (M) on the peripheral surface in a desired rotational position with respect to its longitudinal central axis brought and then bent. For this purpose, an end portion of the workpiece is clamped in a clamping device (110) of the bending machine. The clamping device is rotatable about a rotation axis (112) by means of a rotation unit and can be moved parallel to the axis of rotation. The method is characterized by an automatic alignment operation comprising the steps of: detecting the mark (M) by means of a camera system (160); Determining rotational position information from at least one measurement image of the camera system (160); and controlling the rotational unit in response to the determined rotational position information for rotation of the clamped workpiece (W) by means of the clamping device (110) in the desired rotational position when the workpiece is not in the desired rotational position after clamping. Also described is a bending machine configured to perform the method.
Figure imgaf001
EP17161088.4A 2016-03-29 2017-03-15 Method and bending machine for making a multi-dimensional curved bent component Active EP3225322B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016205137.7A DE102016205137B4 (en) 2016-03-29 2016-03-29 Method and bending machine for producing a multi-dimensionally bent bent part

Publications (3)

Publication Number Publication Date
EP3225322A2 EP3225322A2 (en) 2017-10-04
EP3225322A3 true EP3225322A3 (en) 2017-10-18
EP3225322B1 EP3225322B1 (en) 2020-05-13

Family

ID=58347206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17161088.4A Active EP3225322B1 (en) 2016-03-29 2017-03-15 Method and bending machine for making a multi-dimensional curved bent component

Country Status (2)

Country Link
EP (1) EP3225322B1 (en)
DE (1) DE102016205137B4 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017207612A1 (en) * 2017-05-05 2018-11-08 Wafios Aktiengesellschaft Method for producing a bent part and bending machine for carrying out the method
IT201800007479A1 (en) * 2018-07-24 2020-01-24 METHOD AND EQUIPMENT FOR POWERING METALLIC ELEMENTS OF ELONGATED FOGGIA
AT521619B1 (en) * 2018-08-28 2020-03-15 Trumpf Maschinen Austria Gmbh & Co Kg Method for operating a bending machine
AU2019222835A1 (en) * 2018-09-05 2020-03-19 Blm S.P.A. Machine for the working of tubes provided with an optical sensor for measuring the forward displacement of the tube being worked and/or the rotational displacement of the same about the longitudinal axis thereof
DE102020203394A1 (en) 2020-03-17 2021-09-23 Wafios Aktiengesellschaft Method for producing a bent part from a pipe
CN112916678B (en) * 2021-01-21 2022-08-19 青岛沃明汽车管制造有限公司 Steel pipe bending machine
CN114453467B (en) * 2021-12-28 2024-01-02 株洲兆源机电科技有限公司 Open-loop type expanding machine suitable for flat conducting bars

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947666A (en) * 1988-09-16 1990-08-14 The Boeing Company Method and apparatus for bending an elongate workpiece
DE19712685A1 (en) * 1997-03-26 1998-10-01 Erbsloeh Ag Extrusion moulding multiple bending method
JP2003170226A (en) * 2001-12-06 2003-06-17 Mitsubishi Heavy Ind Ltd Apparatus and method for bending pipe
WO2014088801A1 (en) * 2012-12-05 2014-06-12 Dignity Health Surgical rod bending system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5533146A (en) * 1978-08-30 1980-03-08 Dainippon Screen Mfg Co Ltd Photoelectric element for detecting and positioning register mark for engraving
AT381766B (en) * 1983-09-05 1986-11-25 Lisec Peter DEVICE FOR TURNING PROFILE BARS
JPS60234728A (en) * 1984-05-04 1985-11-21 Hitachi Cable Ltd Blanking method of long-sized strip
DE102010013688B4 (en) * 2010-04-01 2013-09-26 Wafios Ag Bending device for elongated workpieces
DE102011006101B4 (en) * 2011-03-25 2015-12-24 Wafios Ag Method for producing a bent part and bending machine for carrying out the method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947666A (en) * 1988-09-16 1990-08-14 The Boeing Company Method and apparatus for bending an elongate workpiece
DE19712685A1 (en) * 1997-03-26 1998-10-01 Erbsloeh Ag Extrusion moulding multiple bending method
JP2003170226A (en) * 2001-12-06 2003-06-17 Mitsubishi Heavy Ind Ltd Apparatus and method for bending pipe
WO2014088801A1 (en) * 2012-12-05 2014-06-12 Dignity Health Surgical rod bending system and method

Also Published As

Publication number Publication date
DE102016205137B4 (en) 2017-12-14
DE102016205137A1 (en) 2017-10-05
EP3225322B1 (en) 2020-05-13
EP3225322A2 (en) 2017-10-04

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