DE3865732D1 - Elektroden fuer die elektrochemische bearbeitung von schaufeln. - Google Patents

Elektroden fuer die elektrochemische bearbeitung von schaufeln.

Info

Publication number
DE3865732D1
DE3865732D1 DE8888304389T DE3865732T DE3865732D1 DE 3865732 D1 DE3865732 D1 DE 3865732D1 DE 8888304389 T DE8888304389 T DE 8888304389T DE 3865732 T DE3865732 T DE 3865732T DE 3865732 D1 DE3865732 D1 DE 3865732D1
Authority
DE
Germany
Prior art keywords
electrodes
blank
workpiece
electrolyte
blade
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.)
Expired - Fee Related
Application number
DE8888304389T
Other languages
English (en)
Inventor
Norbert Anthony Bruns
John Stuart Reynolds
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.)
General Electric Co
Original Assignee
General Electric Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21957942&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3865732(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3865732D1 publication Critical patent/DE3865732D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/10—Working turbine blades or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
    • B23H3/10—Supply or regeneration of working media

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Battery Electrode And Active Subsutance (AREA)
DE8888304389T 1987-05-13 1988-05-13 Elektroden fuer die elektrochemische bearbeitung von schaufeln. Expired - Fee Related DE3865732D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/049,079 US4772372A (en) 1987-05-13 1987-05-13 Electrodes for electrochemically machining airfoil blades

Publications (1)

Publication Number Publication Date
DE3865732D1 true DE3865732D1 (de) 1991-11-28

Family

ID=21957942

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888304389T Expired - Fee Related DE3865732D1 (de) 1987-05-13 1988-05-13 Elektroden fuer die elektrochemische bearbeitung von schaufeln.

Country Status (9)

Country Link
US (1) US4772372A (de)
EP (1) EP0292214B2 (de)
JP (1) JP2685802B2 (de)
CN (1) CN1017879B (de)
AT (1) ATE68737T1 (de)
AU (1) AU601078B2 (de)
CA (1) CA1333787C (de)
DE (1) DE3865732D1 (de)
IL (1) IL85617A (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935865A (en) * 1988-06-02 1990-06-19 The United States Of America As Represented By The Secretary Of The Air Force Computer controlled electropolishing system
GB2300584B (en) * 1995-05-11 1998-09-02 Rolls Royce Plc Improvements in or relating to electrochemical machining of aerofoil blades
US6106204A (en) * 1997-09-05 2000-08-22 United Technologies Corporation Apparatus for forming the edge of an airfoil
US20020125215A1 (en) * 2001-03-07 2002-09-12 Davis Brian Michael Chemical milling of gas turbine engine blisks
US6562227B2 (en) 2001-07-31 2003-05-13 General Electric Company Plunge electromachining
US6866769B2 (en) * 2001-11-14 2005-03-15 General Electric Company Drive head and ECM method and tool for making same
DE102004004991B4 (de) * 2004-01-30 2008-03-06 Extrude Hone Vmb Gmbh Verfahren und Vorrichtung zum elektrochemischen Bearbeiten von Werkstücken
US20050247569A1 (en) * 2004-05-07 2005-11-10 Lamphere Michael S Distributed arc electroerosion
DE102004036598A1 (de) * 2004-07-28 2006-03-23 Mtu Aero Engines Gmbh Verfahren zum Herstellen aerodynamischer Strukturen bei der Fertigung von integral beschaufelten Gasturbinenrotoren
FR2893357B1 (fr) * 2005-11-15 2011-05-06 Snecma Lechette annulaire destinee a un labyrinthe d'etancheite et son procede de fabrication
CN101646607B (zh) * 2006-11-16 2012-02-29 内斯特克公司 用于配送液体的计量泵
US20080142488A1 (en) * 2006-12-19 2008-06-19 General Electric Company Compound electrode, methods of manufacture thereof and articles comprising the same
US8057645B2 (en) * 2007-07-06 2011-11-15 Turbocam, Inc. System and method for providing electrochemical machining of a device
DE102007060070A1 (de) * 2007-12-13 2009-06-18 Mtu Aero Engines Gmbh Verfahren zum Abtragen von Material von einem Bauteil und Elektrode
DE102007062559A1 (de) * 2007-12-22 2009-06-25 Mtu Aero Engines Gmbh Verfahren zur Herstellung und Reparatur eines Bauteils und Bauteil einer Gasturbine
DE102008004776A1 (de) * 2008-01-17 2009-07-23 Mtu Aero Engines Gmbh Verfahren zur Herstellung von integral beschaufelten Rotoren
TWM355080U (en) * 2008-09-03 2009-04-21 Bobson Hygiene Internat Inc Delivering device of cleaning solution
GB2467523A (en) * 2009-01-30 2010-08-04 Cummins Turbo Tech Ltd Method for manufacturing turbine wheels
EP2540876B1 (de) * 2011-06-30 2018-08-15 General Electric Company Verfahren zum aufrauen von metalloberflächen und damit hergestellter gegenstand
US9162301B2 (en) 2012-08-06 2015-10-20 General Electric Company Electrochemical machining tools and methods
US8906221B2 (en) 2012-08-06 2014-12-09 General Electric Company Electrochemical grinding tool and method
EP3163662B1 (de) 2015-08-21 2020-05-06 Sumitomo Electric Industries, Ltd. Rahmenkörper, zellrahmen für eine redoxflussbatterie und redoxflussbatterie
CN110076408B (zh) * 2019-05-10 2020-09-11 中国航发南方工业有限公司 径向扩压器通道预处理方法
CN115625388A (zh) * 2022-11-08 2023-01-20 南京航空航天大学 气浮密封式整体叶盘电解加工工装夹具及方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31605A (en) * 1861-03-05 Wood-saw house
US3046206A (en) * 1955-02-23 1962-07-24 Richard C Johnson Electro-chemical machining system
NL125378C (de) * 1959-11-27
DE1251126B (de) * 1960-06-03
NL290086A (de) * 1962-03-22
NL291574A (de) * 1962-04-16
GB1051036A (de) * 1962-05-11
US3271291A (en) * 1962-12-03 1966-09-06 Gen Electric Electrochemical machining apparatus with electrolyte flow control means
US3372099A (en) * 1963-05-01 1968-03-05 John E. Clifford Electrochemical machining using a multisegmented electrode with individual current control for each segment
GB1135571A (en) * 1964-12-23 1968-12-04 Rolls Royce Electrochemical machining
CH460975A (fr) * 1967-05-05 1968-08-15 Charmilles Sa Ateliers Dispositif d'amenée de courant à une pièce à usiner par usinage électro-chimique
JPS4937012B1 (de) * 1967-09-18 1974-10-04
US3551310A (en) * 1967-10-04 1970-12-29 Inoue K Gas-pressure gate arrangement for electrochemical machining
US3714017A (en) * 1967-10-12 1973-01-30 Siemens Ag Electrode device for electrochemically forming the plates of turbine rotors
FR2084504A5 (de) * 1970-03-13 1971-12-17 Metem Corp
US3803009A (en) * 1970-12-28 1974-04-09 Hitachi Ltd Method of producing a unitary turbine wheel having twisted blades by electrolytic fabrication
DE2153135A1 (de) * 1971-10-26 1973-05-03 Motoren Turbinen Union Verfahren zur elektrochemischen herstellung eines genau definierten metallischen koerpers, vorzugsweise einer schaufel fuer stroemungsmaschinen
US3849273A (en) * 1973-01-04 1974-11-19 G Johnson Method of and apparatus for radiussing an edge or edges of a metallic aerofoil blade
CH588326A5 (de) * 1974-09-16 1977-05-31 Agie Ag Ind Elektronik
US3970538A (en) * 1975-03-19 1976-07-20 Avco Corporation Apparatus for electro-chemical milling of turbine blade edges
US4052284A (en) * 1976-04-30 1977-10-04 Trw Inc. Apparatus for electrochemically forming a plurality of articles
US4057475A (en) * 1976-06-28 1977-11-08 Trw Inc. Method of forming a plurality of articles
US4167462A (en) * 1977-04-14 1979-09-11 Trw Inc. Electrode drive and controls for electrochemical machining
US4256555A (en) * 1978-05-30 1981-03-17 Rolls Royce Limited Electro-chemical-machining of aerofoil blades
GB2134926B (en) * 1983-02-10 1986-01-15 Rolls Royce Electro chemical machining
US4657645A (en) * 1985-11-27 1987-04-14 Ex-Cell-O Corporation ECM machine with workpart shroud and arbor assembly
US4657649A (en) * 1985-11-27 1987-04-14 Ex-Cell-O Corporation ECM machine with skewed workpart and pocketed cathodes
US4663011A (en) * 1985-11-27 1987-05-05 Ex-Cello-O Corporation Multi-axis ECM machine useful for machining airfoils of rotors

Also Published As

Publication number Publication date
US4772372A (en) 1988-09-20
CA1333787C (en) 1995-01-03
CN1017879B (zh) 1992-08-19
AU2224988A (en) 1990-04-26
IL85617A0 (en) 1988-08-31
JP2685802B2 (ja) 1997-12-03
CN88101311A (zh) 1988-11-30
AU601078B2 (en) 1990-08-30
EP0292214A1 (de) 1988-11-23
EP0292214B1 (de) 1991-10-23
ATE68737T1 (de) 1991-11-15
IL85617A (en) 1991-04-15
EP0292214B2 (de) 1995-08-23
JPS645733A (en) 1989-01-10

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8128 New person/name/address of the agent

Representative=s name: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN

8320 Willingness to grant licences declared (paragraph 23)
8366 Restricted maintained after opposition proceedings
8380 Miscellaneous part iii

Free format text: IM HEFT 43/95, SEITE 14073 SP.2: DIE VEROEFFENTLICHUNG IST ZU STREICHEN

8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN

8339 Ceased/non-payment of the annual fee