EP0350671A3 - Apparatus for bending or straightening work pieces by plastic deformation - Google Patents

Apparatus for bending or straightening work pieces by plastic deformation Download PDF

Info

Publication number
EP0350671A3
EP0350671A3 EP19890111254 EP89111254A EP0350671A3 EP 0350671 A3 EP0350671 A3 EP 0350671A3 EP 19890111254 EP19890111254 EP 19890111254 EP 89111254 A EP89111254 A EP 89111254A EP 0350671 A3 EP0350671 A3 EP 0350671A3
Authority
EP
European Patent Office
Prior art keywords
bending
plastic deformation
work pieces
straightening work
straightening
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
EP19890111254
Other languages
German (de)
Other versions
EP0350671B1 (en
EP0350671A2 (en
Inventor
Helmut Ing. Grad. Reccius
Rolf Dr.Rer.Nat. Meyer
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.)
Dornier GmbH
Original Assignee
Dornier GmbH
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
Priority to DE19883823675 priority Critical patent/DE3823675C2/de
Priority to DE3823675 priority
Application filed by Dornier GmbH filed Critical Dornier GmbH
Publication of EP0350671A2 publication Critical patent/EP0350671A2/en
Publication of EP0350671A3 publication Critical patent/EP0350671A3/en
Application granted granted Critical
Publication of EP0350671B1 publication Critical patent/EP0350671B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B21D1/00Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • 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
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/04Movable or exchangeable mountings for tools
    • B21D37/06Pivotally-arranged tools, e.g. disengageable
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/45Scale remover or preventor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/47Burnishing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/47Burnishing
    • Y10T29/471Burnishing of water laid fibrous article [e.g., paper]
    • Y10T29/473Heated burnishing member
    • Y10T29/474Burnishing tool reciprocates across work surface
EP19890111254 1988-07-13 1989-06-21 Apparatus for bending or straightening work pieces by plastic deformation Expired - Lifetime EP0350671B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19883823675 DE3823675C2 (en) 1988-07-13 1988-07-13
DE3823675 1988-07-13

Publications (3)

Publication Number Publication Date
EP0350671A2 EP0350671A2 (en) 1990-01-17
EP0350671A3 true EP0350671A3 (en) 1990-10-10
EP0350671B1 EP0350671B1 (en) 1993-11-24

Family

ID=6358552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890111254 Expired - Lifetime EP0350671B1 (en) 1988-07-13 1989-06-21 Apparatus for bending or straightening work pieces by plastic deformation

Country Status (6)

Country Link
US (1) US4974434A (en)
EP (1) EP0350671B1 (en)
JP (1) JPH02127923A (en)
CA (1) CA1329498C (en)
DE (1) DE3823675C2 (en)
ES (1) ES2048790T3 (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293320A (en) * 1992-03-13 1994-03-08 General Electric Company Measurment of shot peening coverage by impact dent characterization
FR2698576B1 (en) * 1992-11-30 1995-02-17 Framatome Sa Method and device for repairing a defective area of the wall of a metal part and in particular of a tubular part.
US5307661A (en) * 1993-04-27 1994-05-03 Westinghouse Electric Corp. System and method for shot peening reactor vessel penetrations
US6032320A (en) * 1995-01-23 2000-03-07 Marshalltown Trowel Company Trowel having imposed blade stresses and method of manufacture
US5697265A (en) * 1995-01-23 1997-12-16 Mccomber; Larry J. Trowel having imposed blade stresses and method of manufacture
US5655396A (en) * 1995-09-25 1997-08-12 General Motors Corporation Roll peening device
US5771729A (en) * 1997-06-30 1998-06-30 General Electric Company Precision deep peening with mechanical indicator
DE29716272U1 (en) * 1997-09-10 1999-01-21 Eckold Vorrichtung Device for non-cutting forming of sheets and profiles
FR2791293B1 (en) * 1999-03-23 2001-05-18 Sonats Soc Des Nouvelles Appli Impact surface treatment devices
DE10037029A1 (en) * 2000-07-27 2002-02-28 Kugelstrahlzentrum Aachen Gmbh Method and device for reshaping structural components
WO2002094470A1 (en) 2001-05-21 2002-11-28 Trumpf Pulzer Gmbh + Co. Kg Device for bending closed hollow profiles in peripheral direction
DE10133314A1 (en) * 2001-07-12 2003-01-23 Ecoroll Ag Method and tool for rolling a workpiece and arrangement of a rolling tool and a workpiece
DE102004029546A1 (en) * 2004-06-19 2006-01-05 Mtu Aero Engines Gmbh Method and apparatus for surface blasting gas turbine blades in the area of their blade roots
DE102004059592B4 (en) * 2004-12-10 2014-09-04 MTU Aero Engines AG Method for surface blasting of cavities, in particular of cavities on gas turbines
US7185521B2 (en) * 2005-05-13 2007-03-06 General Electric Company Method and apparatus for process control of burnishing
US20070140887A1 (en) * 2005-11-03 2007-06-21 White Drive Products, Inc. Method for Imparting Residual Compressive Stress in Metal Parts
US20070244595A1 (en) * 2006-04-18 2007-10-18 U.I.T., Llc Method and means for ultrasonic impact machining of surfaces of machine components
EP1870612B2 (en) 2006-06-23 2012-08-08 Muhr und Bender KG Surface layer improvement of disc springs or corrugated springs
US20080081208A1 (en) * 2006-09-29 2008-04-03 Prevey Paul S Method and apparatus for improving the distribution of compressive stress
US8051565B2 (en) * 2006-12-30 2011-11-08 General Electric Company Method for increasing fatigue notch capability of airfoils
US8079120B2 (en) * 2006-12-30 2011-12-20 General Electric Company Method for determining initial burnishing parameters
US20090094829A1 (en) * 2007-10-15 2009-04-16 United Technologies Corporation Method for ultrasonic peening of gas turbine engine components without engine disassembly
US8393368B2 (en) * 2009-06-01 2013-03-12 Lockheed Martin Corporation Numerically controlled composite compaction device
DE102010044171A1 (en) * 2010-11-19 2012-05-24 Aktiebolaget Skf Apparatus and method for treating a ceramic workpiece
CN102114505A (en) * 2010-12-15 2011-07-06 重庆研镁科技有限公司 On-line continuous straightening device for extruded section
US10576523B1 (en) * 2013-09-19 2020-03-03 The Boeing Company Method and apparatus for impacting metal parts
JP6484521B2 (en) * 2015-07-17 2019-03-13 株式会社神戸製鋼所 Flatness straightening device
US9902482B2 (en) * 2015-10-28 2018-02-27 The Boeing Company Deep rolling forming
US10493594B2 (en) 2016-04-12 2019-12-03 General Electric Company Apparatus and method for peening of machine components

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766268A (en) * 1953-05-18 1957-01-16 Eckold Walter Improvements in or relating to apparatus for deforming sheet metal articles or profiled elements
FR2447759A1 (en) * 1979-02-02 1980-08-29 Eckold Vorrichtung Method of dressing in the form of parts in sheet metal, device for implementing same and application of the method
GB2068277A (en) * 1980-01-24 1981-08-12 Transequip Ltd Method and apparatus for straightening plate pallets
EP0260361A2 (en) * 1986-09-19 1988-03-23 The Monarch Machine Tool Company Leveling apparatus

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA904559A (en) * 1972-07-11 Northrop Corporation Peening tool
US3478558A (en) * 1967-03-09 1969-11-18 Armco Steel Corp Deburring tool
US3444714A (en) * 1967-08-21 1969-05-20 Cogsdill Tool Prod Adjustable peening tool
US3638464A (en) * 1968-07-22 1972-02-01 Minnesota Mining & Mfg Shot peening
DE1948752A1 (en) * 1969-09-26 1971-04-01 Eugen Siempelkamp Finishing id of large pipes
US3827270A (en) * 1973-06-14 1974-08-06 H Neilsen Deburring devices
US3934443A (en) * 1975-01-03 1976-01-27 Keen David P Peening tool
US3945098A (en) * 1975-04-18 1976-03-23 Petr Ivanovich Yascheritsyn Pulse impact tool for finishing internal surfaces of revolution in blanks
US4008593A (en) * 1975-06-27 1977-02-22 Ciccarello Richard L Device for spinning of metal objects
WO1982000430A1 (en) * 1980-08-04 1982-02-18 F Isenring Impact device
US4426866A (en) * 1981-02-02 1984-01-24 Avco Corporation Delivery system for ball peening or forming apparatus
DE3213896A1 (en) * 1982-04-15 1983-10-20 Dornier Gmbh Method and device for forming plate-shaped workpieces
DE3442089C1 (en) * 1984-11-17 1985-11-14 Messerschmitt Boelkow Blohm Device for generating mechanical surface tensions
DE3601541A1 (en) * 1986-01-20 1987-07-23 Kraftwerk Union Ag Method and device for improving the surface quality of bores

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766268A (en) * 1953-05-18 1957-01-16 Eckold Walter Improvements in or relating to apparatus for deforming sheet metal articles or profiled elements
FR2447759A1 (en) * 1979-02-02 1980-08-29 Eckold Vorrichtung Method of dressing in the form of parts in sheet metal, device for implementing same and application of the method
GB2068277A (en) * 1980-01-24 1981-08-12 Transequip Ltd Method and apparatus for straightening plate pallets
EP0260361A2 (en) * 1986-09-19 1988-03-23 The Monarch Machine Tool Company Leveling apparatus

Also Published As

Publication number Publication date
ES2048790T3 (en) 1994-04-01
US4974434A (en) 1990-12-04
DE3823675C2 (en) 1992-12-24
EP0350671A2 (en) 1990-01-17
CA1329498C (en) 1994-05-17
JPH02127923A (en) 1990-05-16
EP0350671B1 (en) 1993-11-24
DE3823675A1 (en) 1990-01-18

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