EP0166351A3 - Device at a machine for deformation work of sheet metals - Google Patents

Device at a machine for deformation work of sheet metals Download PDF

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Publication number
EP0166351A3
EP0166351A3 EP85107474A EP85107474A EP0166351A3 EP 0166351 A3 EP0166351 A3 EP 0166351A3 EP 85107474 A EP85107474 A EP 85107474A EP 85107474 A EP85107474 A EP 85107474A EP 0166351 A3 EP0166351 A3 EP 0166351A3
Authority
EP
European Patent Office
Prior art keywords
tool
sheet material
bend
target position
machine
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.)
Withdrawn
Application number
EP85107474A
Other languages
German (de)
French (fr)
Other versions
EP0166351A2 (en
Inventor
Arnold Stucki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0166351A2 publication Critical patent/EP0166351A2/en
Publication of EP0166351A3 publication Critical patent/EP0166351A3/en
Withdrawn legal-status Critical Current

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
    • 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
    • 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

Landscapes

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

Abstract

An einer Umformmaschine für blechförmiges Material (2), das besonders beim Biegen die unerwünschte Rückfe­ derungseigenschaft besitzt, ist eine Vorrichtung ange­ bracht, welche folgende Bauelemente bzw. Baugruppen enthält:
- ein Sensor (10, 20, 30, 60) detektiert beim Biegevor­ gang den Betrag und die Richtung der Biegung (X, α) des blechförmigen Materials (2) und/oder beim Zurückfahren des Werkzeuges (1, 3, 7) aus seiner SOLL-Position den Be­ trag und die Richtung der Rückfederung (ΔX, Δα) des vom Werkzeug (1, 3, 7) entlasteten blechförmigen Materials (2);
- ein nachgeordnetes Umformorgan (14, 28, 29, 36, 61) erzeugt elektrische Signale, welche dem detektierten Be­ trag und der Richtung der Biegung (X, α) und/oder Rückfe­ derung (ΔX, Δα) entsprechen;
- in einer elektronischen Schaltung (40) wird unter Be­ rücksichtigung der Materialkennwerte des blechförmigen Materials (2) und des Werkzeuges (1, 3, 7) sowie der detek­ tierten Biegung (X, α) und Rückfederung (ΔX, Δα) ein Signal für die SOLL-Position des Werkzeuges (1, 3, 7) erzeugt und gespeichert und auf Stellglieder (50) gegeben, welche das Werkzeug (1, 3, 7) in die SOLL-Position fahren. On a forming machine for sheet material (2), which has the undesirable Rückfe property, especially when bending, a device is brought, which contains the following components or assemblies:
- A sensor (10, 20, 30, 60) detects the amount and direction of the bend (X, α) of the sheet material (2) and / or when the tool (1, 3, 7) moves back out of it during the bending operation TARGET position the amount and the direction of the springback (ΔX, Δα) of the sheet material (2) relieved of the tool (1, 3, 7);
- A downstream forming member (14, 28, 29, 36, 61) generates electrical signals which correspond to the detected load and the direction of the bend (X, α) and / or return (ΔX, Δα);
- In an electronic circuit (40) taking into account the material characteristics of the sheet material (2) and the tool (1, 3, 7) and the detected bend (X, α) and springback (ΔX, Δα) a signal for the TARGET position of the tool (1, 3, 7) is generated and stored and given to actuators (50) which move the tool (1, 3, 7) to the TARGET position.

EP85107474A 1984-06-27 1985-06-15 Device at a machine for deformation work of sheet metals Withdrawn EP0166351A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH310284 1984-06-27
CH3102/84 1984-06-27

Publications (2)

Publication Number Publication Date
EP0166351A2 EP0166351A2 (en) 1986-01-02
EP0166351A3 true EP0166351A3 (en) 1986-09-17

Family

ID=4248661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85107474A Withdrawn EP0166351A3 (en) 1984-06-27 1985-06-15 Device at a machine for deformation work of sheet metals

Country Status (1)

Country Link
EP (1) EP0166351A3 (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601603A1 (en) * 1986-07-15 1988-01-22 Aripa Self-adapting folding-type bending method
US4819467A (en) * 1986-09-17 1989-04-11 Cincinnati Incorporated Adaptive control system for hydraulic press brake
US4802357A (en) * 1987-05-28 1989-02-07 The Boeing Company Apparatus and method of compensating for springback in a workpiece
DE3739173A1 (en) * 1987-11-19 1989-06-01 Feintool Int Holding METHOD AND DEVICE FOR BENDING WORKPIECES
FR2630358B1 (en) * 1988-04-21 1993-12-10 Picot Sa PROCESS AND DEVICE FOR CONTROLLING THE ELASTIC RETURN WHEN BENDING AN ELONGATED ELEMENT SUCH AS A TUBE
AT390575B (en) * 1988-04-25 1990-05-25 Haemmerle Ag METHOD FOR BENDING A WORKPIECE
AT389829B (en) * 1988-05-03 1990-02-12 Haemmerle Ag METHOD FOR BENDING SHEET PIECES WITH THE AID OF A BENDING DEVICE
US4947666A (en) * 1988-09-16 1990-08-14 The Boeing Company Method and apparatus for bending an elongate workpiece
SE505985C2 (en) * 1989-11-14 1997-10-27 Amada Co Ltd Method and apparatus for sensing bending angles of a metal sheet during bending
US5148693A (en) * 1989-11-14 1992-09-22 Amada Company, Limited Method and a device for detecting folding angles of a metal sheet during the folding and a method for folding of a metal sheet
NL9000152A (en) * 1990-01-22 1991-08-16 Philips Nv METHOD FOR POSITIONING A PART CONNECTED WITH OR PART OF A PLATE, APPARATUS AND APPARATUS FOR PERFORMING THE METHOD AND PLATE AVAILABLE ACCORDING TO THE METHOD
JP2630720B2 (en) * 1992-11-06 1997-07-16 丸機械工業株式会社 Bending angle detecting device for plate material and method of operating press machine using the same
BE1007424A5 (en) * 1993-08-27 1995-06-13 Lvd Co Adaptive bending.
DE19521369C2 (en) * 1995-06-12 2000-06-29 Trumpf Gmbh & Co Processing machine for forming workpieces
NL1004820C2 (en) * 1996-12-18 1997-12-23 Delem B V Control of bending press e.g. for sheet metal
IT1293174B1 (en) * 1997-04-11 1999-02-12 Luciano Gasparini PRESS-BENDING PROCEDURE OF METAL SHEET METAL WITH DIRECT MEASUREMENT SYSTEM INCLUDING A COMPENSATION FUNCTION AND
EP1011886B1 (en) * 1997-06-20 2002-01-23 Luciano Gasparini A metal sheet press-bending machine
FR2796320B1 (en) 1999-07-13 2001-10-05 Amada Europ Sa IMPROVED PRECISION FOLDING PRESS
NL1013378C2 (en) 1999-10-22 2001-04-24 Best Quality B V Apparatus and method for determining a bending angle of a plate and its use for setting plates.
DE10006512C2 (en) * 2000-02-15 2002-07-18 Colgar Spa Device for a press brake for measuring the bending angle on the workpiece
AT412071B (en) 2001-08-17 2004-09-27 Trumpf Maschinen Austria Gmbh PRODUCTION DEVICE, IN PARTICULAR BENDING PRESS, AND METHOD FOR OPERATING A PRODUCTION DEVICE
NL1021181C2 (en) * 2002-07-30 2004-02-03 Best Quality B V Method is for determining distance to plate in first direction and involves generation of laser bundle for projection of measurement pattern onto plate, bundle having preknown infall angle with first direction
DE102004020024A1 (en) † 2004-04-23 2005-11-10 Sick Ag Method for securing a machine tool and optoelectronic sensor for carrying out such a method
AT506313B1 (en) * 2008-02-19 2009-08-15 Trumpf Maschinen Austria Gmbh BENDING BENCH FOR A BENDING PEPPER, IN PARTICULAR BUTTING PRESSURE
CN102120230B (en) * 2010-12-03 2012-12-05 中联重科股份有限公司 Device and method for measuring bending angle of bent piece
AT514188B1 (en) 2013-04-09 2015-02-15 Trumpf Maschinen Austria Gmbh Bending angle measuring device for a bending press
AT516260B1 (en) * 2014-12-17 2016-04-15 Trumpf Maschinen Austria Gmbh Bending tool with a longitudinal offset measuring device
CN107350411B (en) * 2017-08-30 2019-02-15 重庆市庆颖摩托车配件有限公司 A kind of adjustable stamping die
DE102018133551B4 (en) * 2018-12-21 2021-04-15 Bystronic Laser Ag Bending machine, processing line and method of bending
DE102020214784A1 (en) 2020-11-25 2022-05-25 Volkswagen Aktiengesellschaft Process and device for forming a component

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2044199A1 (en) * 1970-09-07 1972-03-23 Karl Mengele & Söhne Maschinenfabrik und Eisengießerei, 8870 Günzburg Programme controlled sheet metal bending - using open tooling
DE1452836B2 (en) * 1964-10-14 1973-09-20 Giordano Geb. Alibert, Odette Bending tool
DE2305283B2 (en) * 1973-02-02 1979-06-21 G. Siempelkamp Gmbh & Co, 4150 Krefeld Method and device for measuring the permanent deflection of a workpiece in a sheet metal bending press
DE2901376A1 (en) * 1979-01-15 1980-07-17 Mengele & Soehne Masch Karl CONTROL DEVICE ON FREIBENDING MACHINES
US4430879A (en) * 1981-06-12 1984-02-14 Hurco Manufacturing Company, Inc. Apparatus for controlling a press brake
DE3245753A1 (en) * 1982-12-10 1984-06-14 Dorstener Maschinenfabrik Ag, 4270 Dorsten Method for setting a dimensionally accurate penetration path of the top tool of a bending press, in particular a folding press

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1452836B2 (en) * 1964-10-14 1973-09-20 Giordano Geb. Alibert, Odette Bending tool
DE2044199A1 (en) * 1970-09-07 1972-03-23 Karl Mengele & Söhne Maschinenfabrik und Eisengießerei, 8870 Günzburg Programme controlled sheet metal bending - using open tooling
DE2305283B2 (en) * 1973-02-02 1979-06-21 G. Siempelkamp Gmbh & Co, 4150 Krefeld Method and device for measuring the permanent deflection of a workpiece in a sheet metal bending press
DE2901376A1 (en) * 1979-01-15 1980-07-17 Mengele & Soehne Masch Karl CONTROL DEVICE ON FREIBENDING MACHINES
US4430879A (en) * 1981-06-12 1984-02-14 Hurco Manufacturing Company, Inc. Apparatus for controlling a press brake
DE3245753A1 (en) * 1982-12-10 1984-06-14 Dorstener Maschinenfabrik Ag, 4270 Dorsten Method for setting a dimensionally accurate penetration path of the top tool of a bending press, in particular a folding press

Also Published As

Publication number Publication date
EP0166351A2 (en) 1986-01-02

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19850617

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Effective date: 19880119

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18D Application deemed to be withdrawn

Effective date: 19891021