EP2481492A3 - Bending tool for free-form bending of sheet metal and method for same - Google Patents

Bending tool for free-form bending of sheet metal and method for same Download PDF

Info

Publication number
EP2481492A3
EP2481492A3 EP12152728A EP12152728A EP2481492A3 EP 2481492 A3 EP2481492 A3 EP 2481492A3 EP 12152728 A EP12152728 A EP 12152728A EP 12152728 A EP12152728 A EP 12152728A EP 2481492 A3 EP2481492 A3 EP 2481492A3
Authority
EP
European Patent Office
Prior art keywords
bending
free
sheet metal
workpiece
force
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
EP12152728A
Other languages
German (de)
French (fr)
Other versions
EP2481492B1 (en
EP2481492A2 (en
Inventor
Alexander Otto
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.)
Trumpf Maschinen Austria GmbH and Co KG
Original Assignee
Trumpf Maschinen Austria GmbH and Co KG
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 Trumpf Maschinen Austria GmbH and Co KG filed Critical Trumpf Maschinen Austria GmbH and Co KG
Publication of EP2481492A2 publication Critical patent/EP2481492A2/en
Publication of EP2481492A3 publication Critical patent/EP2481492A3/en
Application granted granted Critical
Publication of EP2481492B1 publication Critical patent/EP2481492B1/en
Not-in-force 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
    • 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
    • B21D5/0209—Tools therefor
    • 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
    • B21D5/0209—Tools therefor
    • B21D5/0263—Die with two oscillating halves

Landscapes

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

Abstract

Die Erfindung betrifft ein Biegewerkzeug (4) für das Freiformbiegen von aus Blech zu fertigenden Werkstücken (2), mit einem Grundkörper (26), der einen Biegebereich (29) definiert, wobei im Querschnitt gesehen durch den Biegebereich (29) eine Werkzeugebene (30) verläuft. Im Biegebereich (29) ist auf einer Seite der Werkzeugebene (30) ein bezüglich des Grundkörpers (26) dazu verlagerbarer erster Werkstückstützteil (32) und auf der anderen Seite ein bezüglich des Grundkörpers (26) feststehender weiterer Werkstückstützteil (33) angeordnet bzw. ausgebildet. Ein dem Biegebereich (29) zugewendeter Endbereich (38) des ersten Werkstückstützteils (32) ist mit einer Stützkraft (F) beaufschlagt, welche der auf das zu formende Werkstück (2) einwirkenden Biegekraft (FB) entgegenwirkt oder es ist der dem Biegebereich (29) zugewendete Endbereich (38) des ersten Werkstückstützteils (32) selbsttätig entgegen der auf das zu formende Werkstück (2) einwirkenden Biegekraft (FB) rückstellbar ausgebildet.

Figure imgaf001
The invention relates to a bending tool (4) for the free-form bending of workpieces (2) to be produced from sheet metal, having a base body (26) defining a bending region (29), a tool plane (30) being seen in cross section through the bending region (29) ) runs. In the bending region (29), a first workpiece support part (32) displaceable with respect to the base body (26) is disposed on one side of the tool plane (30) and a further workpiece support part (33) fixed on the other side with respect to the base body (26) , An end region (38) of the first workpiece support part (32) facing the bending region (29) is acted on by a support force (F) which counteracts the bending force (FB) acting on the workpiece (2) to be formed or it is the bending region (29 ) facing end portion (38) of the first workpiece support member (32) automatically against the force acting on the workpiece to be formed (2) bending force (FB) formed recoverable.
Figure imgaf001
EP12152728.7A 2011-01-27 2012-01-26 Bending tool for free-form bending of sheet metal Not-in-force EP2481492B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1122011A AT510719B1 (en) 2011-01-27 2011-01-27 BENDING TOOL FOR FREE BENDING OF PAN

Publications (3)

Publication Number Publication Date
EP2481492A2 EP2481492A2 (en) 2012-08-01
EP2481492A3 true EP2481492A3 (en) 2012-10-24
EP2481492B1 EP2481492B1 (en) 2016-04-27

Family

ID=45524440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12152728.7A Not-in-force EP2481492B1 (en) 2011-01-27 2012-01-26 Bending tool for free-form bending of sheet metal

Country Status (2)

Country Link
EP (1) EP2481492B1 (en)
AT (1) AT510719B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103100600B (en) * 2013-02-25 2015-09-23 宁波市令通电信设备有限公司 A kind of bender plate material bracket
CN103111537B (en) * 2013-02-25 2015-04-01 宁波市令通电信设备有限公司 Tray plate support of bending machine
CN103100606B (en) * 2013-02-25 2015-01-21 宁波市令通电信设备有限公司 Support plate mechanism
CN103100605B (en) * 2013-02-25 2015-01-21 宁波市令通电信设备有限公司 Bending machine plate material bracket
CN109047510B (en) * 2018-10-10 2024-02-27 弗兰卡(中国)厨房***有限公司 Plate arc bending die and processing method thereof
JP7486441B2 (en) * 2021-01-20 2024-05-17 株式会社アマダ Bending method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365766A (en) * 1993-05-18 1994-11-22 Amada Engineering & Service Co., Inc. Die assembly having means for automatically controlling in the angular orientation of the lower die plate members
NL1014810C2 (en) * 2000-03-31 2001-10-19 Adriaan Teunissen Installation for shaping plate component is provided with under die and upper die, under die being provided with fixed part and at least one component with support surface for plate component
JP2002120016A (en) * 2000-10-13 2002-04-23 Tiger Kosan:Kk Metal plate folding device
FR2873939A1 (en) * 2004-08-09 2006-02-10 Tech Metalliques Appliquees T Metal sheet bending device for e.g. low power press, has two juxtaposed face-plates pivoting to lower punch, when pressure is exerted on metal sheet by punch, so that sheet is in flat contact with face-plates through its inner surface

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62127125A (en) * 1985-11-28 1987-06-09 Nippon Kokan Kk <Nkk> Bending metal die for composite type damping steel plate
JP2760371B2 (en) * 1994-06-13 1998-05-28 株式会社アマダメトレックス Die for sheet bending machine
JP2808083B2 (en) * 1994-11-14 1998-10-08 丸機械工業株式会社 Bending type
GB2368304A (en) * 2000-06-23 2002-05-01 Taigaa Koosan Yuugenkaisha Metal sheet bending device with rotation inhibiting function
TWM275895U (en) * 2005-01-12 2005-09-21 Shu-Ching Lin Bending structure for stainless steel plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365766A (en) * 1993-05-18 1994-11-22 Amada Engineering & Service Co., Inc. Die assembly having means for automatically controlling in the angular orientation of the lower die plate members
NL1014810C2 (en) * 2000-03-31 2001-10-19 Adriaan Teunissen Installation for shaping plate component is provided with under die and upper die, under die being provided with fixed part and at least one component with support surface for plate component
JP2002120016A (en) * 2000-10-13 2002-04-23 Tiger Kosan:Kk Metal plate folding device
FR2873939A1 (en) * 2004-08-09 2006-02-10 Tech Metalliques Appliquees T Metal sheet bending device for e.g. low power press, has two juxtaposed face-plates pivoting to lower punch, when pressure is exerted on metal sheet by punch, so that sheet is in flat contact with face-plates through its inner surface

Also Published As

Publication number Publication date
EP2481492B1 (en) 2016-04-27
EP2481492A2 (en) 2012-08-01
AT510719A4 (en) 2012-06-15
AT510719B1 (en) 2012-06-15

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