DE3679794D1 - Elektrode zur herstellung von kuehlkanaelen. - Google Patents

Elektrode zur herstellung von kuehlkanaelen.

Info

Publication number
DE3679794D1
DE3679794D1 DE8686630197T DE3679794T DE3679794D1 DE 3679794 D1 DE3679794 D1 DE 3679794D1 DE 8686630197 T DE8686630197 T DE 8686630197T DE 3679794 T DE3679794 T DE 3679794T DE 3679794 D1 DE3679794 D1 DE 3679794D1
Authority
DE
Germany
Prior art keywords
electrode
production
cooling channels
channels
cooling
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 - Lifetime
Application number
DE8686630197T
Other languages
English (en)
Inventor
Robert Eugene Field
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.)
RTX Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE3679794D1 publication Critical patent/DE3679794D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B23H9/14—Making holes
    • 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
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/04—Electrodes specially adapted therefor or their manufacture
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/30—Application in turbines
    • F05B2220/302—Application in turbines in gas turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE8686630197T 1985-12-23 1986-12-18 Elektrode zur herstellung von kuehlkanaelen. Expired - Lifetime DE3679794D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/812,096 US4650949A (en) 1985-12-23 1985-12-23 Electrode for electrical discharge machining film cooling passages in an airfoil

Publications (1)

Publication Number Publication Date
DE3679794D1 true DE3679794D1 (de) 1991-07-18

Family

ID=25208485

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8686630197T Expired - Lifetime DE3679794D1 (de) 1985-12-23 1986-12-18 Elektrode zur herstellung von kuehlkanaelen.
DE198686630197T Pending DE227581T1 (de) 1985-12-23 1986-12-18 Elektrode zur herstellung von kuehlkanaelen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198686630197T Pending DE227581T1 (de) 1985-12-23 1986-12-18 Elektrode zur herstellung von kuehlkanaelen.

Country Status (8)

Country Link
US (1) US4650949A (de)
EP (1) EP0227581B1 (de)
JP (1) JP2520616B2 (de)
CN (1) CN1006449B (de)
AU (1) AU592842B2 (de)
CA (1) CA1261005A (de)
DE (2) DE3679794D1 (de)
IL (1) IL81064A (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808785A (en) * 1986-11-13 1989-02-28 Chromalloy Gas Turbine Corporation Method and apparatus for making diffused cooling holes in an airfoil
US4762464A (en) * 1986-11-13 1988-08-09 Chromalloy Gas Turbine Corporation Airfoil with diffused cooling holes and method and apparatus for making the same
US4819325A (en) * 1987-06-01 1989-04-11 Technical Manufacturing Systems, Inc. Method of forming electro-discharge machining electrode
US4922076A (en) * 1987-06-01 1990-05-01 Technical Manufacturing Systems, Inc. Electro-discharge machining electrode
US5192192A (en) * 1990-11-28 1993-03-09 The United States Of America As Represented By The Secretary Of The Air Force Turbine engine foil cap
US5813835A (en) * 1991-08-19 1998-09-29 The United States Of America As Represented By The Secretary Of The Air Force Air-cooled turbine blade
US5368441A (en) * 1992-11-24 1994-11-29 United Technologies Corporation Turbine airfoil including diffusing trailing edge pedestals
US5313038A (en) * 1992-12-22 1994-05-17 United Technologies Corporation EDM drilling of low angle holes
US5605639A (en) * 1993-12-21 1997-02-25 United Technologies Corporation Method of producing diffusion holes in turbine components by a multiple piece electrode
US5418345A (en) * 1994-02-28 1995-05-23 United Technologies Corporation Method for forming shaped passages
US5637239A (en) * 1995-03-31 1997-06-10 United Technologies Corporation Curved electrode and method for electrical discharge machining curved cooling holes
FR2820066B1 (fr) * 2001-02-01 2003-03-07 Snecma Moteurs Dispositif de centrage et de percage de formes et de trous cylindriques
US6897401B2 (en) * 2003-07-31 2005-05-24 United Technologies Corporation Non-separating diffuser for holes produced by a two step process
US7328580B2 (en) * 2004-06-23 2008-02-12 General Electric Company Chevron film cooled wall
DE102004051859B4 (de) * 2004-10-26 2017-02-23 Volkswagen Ag Gehäuse und Verfahren zur Erzeugung von Kühlstrukturen für ein Gehäuse
US7374401B2 (en) 2005-03-01 2008-05-20 General Electric Company Bell-shaped fan cooling holes for turbine airfoil
WO2007006619A1 (en) * 2005-07-12 2007-01-18 Siemens Aktiengesellschaft Film-cooled component, in particular a turbine blade and method for manufacturing a turbine blade
JP4931507B2 (ja) * 2005-07-26 2012-05-16 スネクマ 壁内に形成された冷却流路
US7789625B2 (en) * 2007-05-07 2010-09-07 Siemens Energy, Inc. Turbine airfoil with enhanced cooling
US20100008759A1 (en) * 2008-07-10 2010-01-14 General Electric Company Methods and apparatuses for providing film cooling to turbine components
US8057182B2 (en) * 2008-11-21 2011-11-15 General Electric Company Metered cooling slots for turbine blades
US8168912B1 (en) 2009-02-19 2012-05-01 Florida Turbine Technologies, Inc. Electrode for shaped film cooling hole
US8742279B2 (en) * 2010-02-01 2014-06-03 United Technologies Corporation Method of creating an airfoil trench and a plurality of cooling holes within the trench
US8905713B2 (en) 2010-05-28 2014-12-09 General Electric Company Articles which include chevron film cooling holes, and related processes
US9126278B2 (en) 2012-08-15 2015-09-08 Siemens Energy, Inc. Template for forming cooling passages in a turbine engine component
US20160090843A1 (en) * 2014-09-30 2016-03-31 General Electric Company Turbine components with stepped apertures
CN106031955A (zh) * 2015-03-19 2016-10-19 苏州汉扬精密电子有限公司 电极结构
US20160298462A1 (en) * 2015-04-09 2016-10-13 United Technologies Corporation Cooling passages for a gas turbine engine component
CN105171158B (zh) * 2015-10-10 2017-11-14 贵阳中航动力精密铸造有限公司 一种涡轮导向叶片锥形气膜孔加工工艺
KR101853550B1 (ko) * 2016-08-22 2018-04-30 두산중공업 주식회사 가스 터빈 블레이드
US10220461B2 (en) * 2017-04-12 2019-03-05 General Electric Company Hole drilling elastically deformed superalloy turbine blade
US10774683B2 (en) 2017-04-12 2020-09-15 General Electric Company Hole drilling elastically deformed superalloy turbine blade
CN107725115B (zh) * 2017-04-28 2019-07-30 中国航发湖南动力机械研究所 航空发动机热端部件的翼型气膜孔及电极
US10773344B2 (en) 2017-06-16 2020-09-15 Raytheon Technologies Corporation Systems and methods for manufacturing film cooling hole diffuser portion
EP3450682A1 (de) * 2017-08-30 2019-03-06 Siemens Aktiengesellschaft Wand eines bauteils für heissgas und zugehöriges bauteil
US10570747B2 (en) * 2017-10-02 2020-02-25 DOOSAN Heavy Industries Construction Co., LTD Enhanced film cooling system
CN113224893B (zh) * 2020-01-21 2023-03-28 上海电力大学 一种车载用永磁同步电机冷却水道优化方法
CN112518058A (zh) * 2020-12-23 2021-03-19 贵阳航发精密铸造有限公司 一种整体电极及加工整体电极的方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA733484A (en) * 1966-05-03 General Electric Company Cathode tool for electrical machining
GB814202A (en) * 1956-04-18 1959-06-03 Birmingham Small Arms Co Ltd Improvements in or relating to the simultaneous spark machining of a plurality of workpieces
US534314A (en) * 1895-02-19 Fall-rope carrier
BE553823A (de) * 1955-12-30
BE562501A (de) * 1956-11-20
US2972182A (en) * 1957-02-22 1961-02-21 Rolls Royce Turbine and compressor blades
GB856674A (en) * 1958-06-18 1960-12-21 Rolls Royce Blades for gas turbine engines
NL249220A (de) * 1959-03-09
FR1269229A (fr) * 1960-06-29 1961-08-11 Const Guinard Procédé pour la fabrication de tamis
US3316626A (en) * 1964-10-26 1967-05-02 J F Fredericks Tool Company In Method of making an airfoil shaped electrode
US3527543A (en) * 1965-08-26 1970-09-08 Gen Electric Cooling of structural members particularly for gas turbine engines
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
GB1209692A (en) * 1968-05-14 1970-10-21 Rolls Royce Method and apparatus for the spark-machining of workpieces and a spark-machining electrode for use therein
BE754171A (fr) * 1969-10-18 1970-12-31 Glanzstoff Ag Procede pour la fabrication d'electrodes pour l'obtention electroerosive de perforations profilees de filage
US3803009A (en) * 1970-12-28 1974-04-09 Hitachi Ltd Method of producing a unitary turbine wheel having twisted blades by electrolytic fabrication
US3963894A (en) * 1974-01-24 1976-06-15 Chromalloy American Corporation Turbine-nozzle manufacturing apparatus
US3981786A (en) 1974-12-19 1976-09-21 United Technologies Corporation ECM and EDM tooling for producing holes in airfoil trailing edges
US4096371A (en) * 1976-07-06 1978-06-20 Lozon Garnet W Method of and apparatus for electrical discharge machining
US4197443A (en) * 1977-09-19 1980-04-08 General Electric Company Method and apparatus for forming diffused cooling holes in an airfoil
US4256555A (en) * 1978-05-30 1981-03-17 Rolls Royce Limited Electro-chemical-machining of aerofoil blades
US4217190A (en) * 1979-06-20 1980-08-12 United Technologies Corporation Method and apparatus for electrochemically finishing airfoil edges
FR2491549B1 (fr) * 1980-10-08 1985-07-05 Snecma Dispositif de refroidissement d'une turbine a gaz, par prelevement d'air au niveau du compresseur

Also Published As

Publication number Publication date
EP0227581A2 (de) 1987-07-01
JP2520616B2 (ja) 1996-07-31
CN86108819A (zh) 1987-07-08
US4650949A (en) 1987-03-17
AU6667986A (en) 1987-06-25
JPS62228328A (ja) 1987-10-07
DE227581T1 (de) 1987-12-17
CN1006449B (zh) 1990-01-17
IL81064A (en) 1991-06-10
IL81064A0 (en) 1987-03-31
EP0227581A3 (en) 1989-04-26
AU592842B2 (en) 1990-01-25
CA1261005A (en) 1989-09-26
EP0227581B1 (de) 1991-06-12

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Legal Events

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8364 No opposition during term of opposition