EP0108718A3 - Method of bending sheet metal with a folding press - Google Patents

Method of bending sheet metal with a folding press Download PDF

Info

Publication number
EP0108718A3
EP0108718A3 EP83810486A EP83810486A EP0108718A3 EP 0108718 A3 EP0108718 A3 EP 0108718A3 EP 83810486 A EP83810486 A EP 83810486A EP 83810486 A EP83810486 A EP 83810486A EP 0108718 A3 EP0108718 A3 EP 0108718A3
Authority
EP
European Patent Office
Prior art keywords
sheet metal
bending sheet
folding press
folding
press
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
EP83810486A
Other languages
French (fr)
Other versions
EP0108718B1 (en
EP0108718A2 (en
Inventor
Jean-Daniel Aubert
Andre Fornerod
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.)
Cybelec SA
Original Assignee
Cybelec SA
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 Cybelec SA filed Critical Cybelec SA
Publication of EP0108718A2 publication Critical patent/EP0108718A2/en
Publication of EP0108718A3 publication Critical patent/EP0108718A3/en
Application granted granted Critical
Publication of EP0108718B1 publication Critical patent/EP0108718B1/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/006Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02Bending 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)
EP83810486A 1982-11-05 1983-10-21 Method of bending sheet metal with a folding press Expired EP0108718B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6440/82 1982-11-05
CH6440/82A CH651767A5 (en) 1982-11-05 1982-11-05 PROCESS FOR FOLDING A SHEET USING A BENDING PRESS.

Publications (3)

Publication Number Publication Date
EP0108718A2 EP0108718A2 (en) 1984-05-16
EP0108718A3 true EP0108718A3 (en) 1984-08-15
EP0108718B1 EP0108718B1 (en) 1987-07-08

Family

ID=4309662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810486A Expired EP0108718B1 (en) 1982-11-05 1983-10-21 Method of bending sheet metal with a folding press

Country Status (4)

Country Link
US (1) US4550586A (en)
EP (1) EP0108718B1 (en)
CH (1) CH651767A5 (en)
DE (1) DE3372326D1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819467A (en) * 1986-09-17 1989-04-11 Cincinnati Incorporated Adaptive control system for hydraulic press brake
BE1001412A5 (en) * 1987-09-28 1989-10-24 Lvd Co Metal plate thickness measuring assembly for press - has hydraulic piston on edge of pin unit clamping plate against base, with portion measuring displacement
JPH0230326A (en) * 1988-07-19 1990-01-31 Yamazaki Mazak Corp Press brake with work measuring means and measuring method for work thereof
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
JP2520368B2 (en) * 1993-07-30 1996-07-31 株式会社東洋工機 Bending method and apparatus
BE1007424A5 (en) * 1993-08-27 1995-06-13 Lvd Co Adaptive bending.
KR100390017B1 (en) * 1994-07-08 2004-02-11 가부시키가이샤 아마다 Bending process of press brake and press brake used in the method
JP4750940B2 (en) * 2000-12-08 2011-08-17 株式会社アマダエンジニアリングセンター Blank processing equipment, workpiece thickness measurement equipment, springback measurement equipment used in sheet metal processing systems
TW536432B (en) * 2000-01-17 2003-06-11 Amada Co Ltd Method and system for processing a sheet member, and various devices relating to such system
DE60019544T2 (en) 2000-01-24 2006-02-23 Bystronic Laser Ag Method for controlling the stroke of a bending press
US7079919B2 (en) * 2001-03-16 2006-07-18 Bystronic Laser Ag Method for setting the travel of a press brake
US8692877B2 (en) * 2005-06-20 2014-04-08 Lazer Safe Pty Ltd Imaging and safety system and method for an industrial machine
AT508357B1 (en) 2009-06-29 2011-01-15 Trumpf Maschinen Austria Gmbh METHOD AND DEVICE FOR LASER-ASSISTED BENDING OF WORKPIECES
AT508355B1 (en) * 2009-06-29 2011-01-15 Trumpf Maschinen Austria Gmbh METHOD AND DEVICE FOR BENDING A WORKPIECE
AT508356B1 (en) * 2009-06-29 2011-01-15 Trumpf Maschinen Austria Gmbh DEVICE AND METHOD FOR BENDING A WORKPIECE
CN104624726B (en) * 2014-12-24 2016-08-24 广东中南声像灯光设计研究院 The bender of X-ray Thickness sensitivity based on PLC and bending speed regulation and Bending Processing method thereof
CN104965488A (en) * 2015-06-26 2015-10-07 苏州边桐传感科技有限公司 Metal plate folding system based on crack detection feedback torque adjustment and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1452836A1 (en) * 1964-10-14 1969-10-30 Giordano Roger Francis Bending tool
DE2901376B2 (en) * 1979-01-15 1980-10-30 Karl Mengele & Soehne Maschinenfabrik Und Eisengiesserei Gmbh & Co, 8870 Guenzburg Control device on free bending machines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1425315A (en) * 1964-10-14 1966-01-24 Promecan Sisson Lehmann Improvements to bending tools

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1452836A1 (en) * 1964-10-14 1969-10-30 Giordano Roger Francis Bending tool
DE2901376B2 (en) * 1979-01-15 1980-10-30 Karl Mengele & Soehne Maschinenfabrik Und Eisengiesserei Gmbh & Co, 8870 Guenzburg Control device on free bending machines

Also Published As

Publication number Publication date
US4550586A (en) 1985-11-05
EP0108718B1 (en) 1987-07-08
DE3372326D1 (en) 1987-08-13
EP0108718A2 (en) 1984-05-16
CH651767A5 (en) 1985-10-15

Similar Documents

Publication Publication Date Title
DE3372326D1 (en) Method of bending sheet metal with a folding press
GB8321311D0 (en) Joining sheet metal
GB2091604B (en) Bending press
JPS56168913A (en) Device for bending metallic sheet
AU544228B2 (en) Structural metal sheet
AU533276B2 (en) Bending sheet metal sections
GB8407886D0 (en) Sheet metal blank
GB2019286B (en) Method of press forming metal sheet of inferior formability
YU44191B (en) Method of bending sheet metals
EP0060965A3 (en) Apparatus for straightening sheet metal
GB2081621B (en) A method of bending shaped metal sheet and apparatus for carrying out the method
ZA869308B (en) Press forming sheet metal
DE3372937D1 (en) Metal sheet forming process with hydraulic counterpressure
GB2061788B (en) Method of shaping metal sheet
GB8502278D0 (en) Press for bending of profiled sheet metal
DE3571424D1 (en) A sheet hinge forming apparatus
GB2081626B (en) Edge bending of sheet metal workpieces
GB2162169B (en) Press bending apparatus
GB2134835B (en) Sheet metal punch
GB2162780B (en) Forming sheet metal cups
ZA834258B (en) Sheet metal press
AU562204B2 (en) Forming and bending sheet metal
SU1174122A1 (en) Three-high sheet bender
ZA841168B (en) Corrugated metal sheet
GB2109501B (en) Sheet metal connectors

Legal Events

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

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE DE FR GB IT NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): BE DE FR GB IT NL SE

17P Request for examination filed

Effective date: 19841215

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE FR GB IT NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19870708

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 19870708

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19870731

REF Corresponds to:

Ref document number: 3372326

Country of ref document: DE

Date of ref document: 19870813

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19991001

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20001031

BERE Be: lapsed

Owner name: CYBELEC S.A.

Effective date: 20001031

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20011005

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20011025

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20011030

Year of fee payment: 19

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021021

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030501

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20021021

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030630

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST