JPH09506830A - ガスタービンエンジン部品等の物体に形状付けしたホールを形成するための装置 - Google Patents
ガスタービンエンジン部品等の物体に形状付けしたホールを形成するための装置Info
- Publication number
- JPH09506830A JPH09506830A JP7517473A JP51747395A JPH09506830A JP H09506830 A JPH09506830 A JP H09506830A JP 7517473 A JP7517473 A JP 7517473A JP 51747395 A JP51747395 A JP 51747395A JP H09506830 A JPH09506830 A JP H09506830A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- teeth
- electrode
- hole
- workpiece
- 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
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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 放電加工機に用いられるマルチプルピース電極において、該電極は、 (a)内部にホールが通った少なくとも一つの導電性の歯と、 (b)前記ホールを通って延びた少なくとも一つの導電性ロッドと、 (c)前記ロッドを前記歯に固定するための手段とを有することを特徴とする放 電加工機に用いられるマルチプルピース電極。 2. 前記歯は、銅、銅合金、グラファイト、銅−タングステン、タングステン 、金、銀、スズ、プラチナ、鉛、亜鉛、鉄、ニッケル、タングステン、真鍮及び 銅−タングステンを有する一群から任意に選択される材料を有することを特徴と する請求項1に記載のマルチプルピース電極。 3. 前記ロッドは、タングステン、真鍮、銅−タングステンを有する一群から 任意に選択されたものを有することを特徴とする請求項1に記載のマルチプルピ ース電極。 4. クランプ機構を有していることを特徴とする請求項1に記載のマルチプル ピース電極。 5. 前記ロッドは、前記歯と異なった材料で形成されていることを特徴とする 請求項1に記載のマルチプルピース電極。 6. 前記ロッドが中空であることを特徴とする請求項1に記載のマルチプルピ ース電極。 7. 放電加工によって物体に拡散ホールを形成する方法において、該方法は、 (a)(i)ワークピースに極近接させて配置してギャップを形成し、それらの 間に放電を起こさせて前記ワークピース部分を浸食させるための少なくとも一つ の歯と、 (ii)前記歯を通して配置されている少なくとも一つの延びた可動ロッ ドと、 (iii) 前記ロッドを前記歯に固定する手段と、を有する放電加工機 内にマルチプルピース電極を挿入するステップと、 (b) 前記電極を長手方向に前記ワークピースへと向かって進行させ、前記ロ ッドが深く、小径のホールを前記ワークピース内に形成するとともに、前記歯は 、前記ホールの一端に拡散領域を形成するステップを有することを特徴とする方 法。 8. 前記ロッドを回転させるステップをさらに有していることを特徴とする請 求項7に記載の方法。 9. 前記ロッドは、中空とされており、かつ、誘電性流体が前記ロッドを通し て流されるようになっていることを特徴とする請求項7に記載の方法。 10. 前記ロッドを所望の長さに位置決めし、かつ、前記電極の前に位置決め されるようになった電極長さマスタを有する再供給システムを有することを特徴 とする請求項7に記載の方法。 11. 放電加工によって物体に拡散ホールを形成する方法において、該方法は 、 (a)(i)ワークピースに極近接させて配置してギャップを形成し、それらの 間に放電を起こさせて前記ワークピース部分を浸食させるための少なくとも一つ の歯と、 (iii)前記歯を通して配置された少なくとも一つの延びた可動ロッド と、 (iii) 前記ロッドを前記歯に固定する手段と、を有する放電加工機 内にマルチプルピース電極を挿入するステップと、 (b) 前記歯を長手方向に向かって前記ワークピースへと進行させ、前記歯が 前記ホールの一端に拡散領域を成形するステップと、 (c) 前記ロッドを長手方向に前記ワークピースへと向かって進行させ、前記 拡散領域からワークピース内に向かって前記ロッドが深く、小径の計量領域を形 成するステップとを有することを特徴とする方法。 12. 前記ロッドを回転させるステップをさらに有することを特徴とする請求 項11に記載の方法。 13. 前記ロッドは、中空であり、かつ、さらに前記ロッドを通して誘電性流 体を流すことを特徴とする請求項11に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/171,293 US5605639A (en) | 1993-12-21 | 1993-12-21 | Method of producing diffusion holes in turbine components by a multiple piece electrode |
US171,293 | 1993-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09506830A true JPH09506830A (ja) | 1997-07-08 |
JP3263397B2 JP3263397B2 (ja) | 2002-03-04 |
Family
ID=22623232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51747395A Expired - Lifetime JP3263397B2 (ja) | 1993-12-21 | 1994-12-07 | ガスタービンエンジン部品等の物体に形状付けしたホールを形成するための装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5605639A (ja) |
EP (1) | EP0735934B1 (ja) |
JP (1) | JP3263397B2 (ja) |
DE (1) | DE69416865T2 (ja) |
WO (1) | WO1995017277A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003155935A (ja) * | 2001-08-23 | 2003-05-30 | United Technol Corp <Utc> | 孔を有するガスタービン構成要素の修理方法 |
JP2013167205A (ja) * | 2012-02-15 | 2013-08-29 | Hitachi Ltd | ガスタービン翼、その放電加工用工具及び加工方法 |
US10257403B2 (en) | 2013-04-05 | 2019-04-09 | Sony Corporation | Intermediate unit and camera system |
Families Citing this family (33)
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US5893984A (en) * | 1995-10-27 | 1999-04-13 | General Electric Company | High aspect ratio EDM electrode assembly |
FR2767083B1 (fr) * | 1997-08-07 | 1999-09-03 | Snecma | Dispositif pour realiser des passages dans la paroi d'une aube |
US6403910B1 (en) | 1999-12-14 | 2002-06-11 | Hi-Tek Manufacturing, Inc. | EDM apparatus and method for performing EDM operation |
US6373018B1 (en) * | 2000-02-07 | 2002-04-16 | General Electric Company | Apparatus and method for electrical discharge machining multiple holes |
FR2820066B1 (fr) * | 2001-02-01 | 2003-03-07 | Snecma Moteurs | Dispositif de centrage et de percage de formes et de trous cylindriques |
US6640547B2 (en) | 2001-12-10 | 2003-11-04 | Power Systems Mfg, Llc | Effusion cooled transition duct with shaped cooling holes |
GB2395157B (en) * | 2002-11-15 | 2005-09-07 | Rolls Royce Plc | Laser driliing shaped holes |
DE10255455B4 (de) * | 2002-11-28 | 2004-11-18 | Mtu Aero Engines Gmbh | Vorrichtung zum Einbringen von Bohrungen |
US7041933B2 (en) * | 2003-04-14 | 2006-05-09 | Meyer Tool, Inc. | Complex hole shaping |
US6897401B2 (en) * | 2003-07-31 | 2005-05-24 | United Technologies Corporation | Non-separating diffuser for holes produced by a two step process |
US7172012B1 (en) | 2004-07-14 | 2007-02-06 | United Technologies Corporation | Investment casting |
US7134475B2 (en) * | 2004-10-29 | 2006-11-14 | United Technologies Corporation | Investment casting cores and methods |
US7262382B2 (en) * | 2005-04-13 | 2007-08-28 | Beaumont Machine Repair, Inc. | Process of forming conical holes with an electrical discharge machining system |
US7220934B2 (en) * | 2005-06-07 | 2007-05-22 | United Technologies Corporation | Method of producing cooling holes in highly contoured airfoils |
DE102005034940A1 (de) * | 2005-07-22 | 2007-01-25 | Dorner Gmbh | Kombibohrverfahren |
US7306026B2 (en) | 2005-09-01 | 2007-12-11 | United Technologies Corporation | Cooled turbine airfoils and methods of manufacture |
US20070151954A1 (en) * | 2006-01-05 | 2007-07-05 | General Electric Company | Methods and apparatus for fabricating components |
US10189100B2 (en) * | 2008-07-29 | 2019-01-29 | Pratt & Whitney Canada Corp. | Method for wire electro-discharge machining a part |
US8563889B2 (en) * | 2009-06-09 | 2013-10-22 | Pratt & Whitney Services Pte Ltd | Electrical discharge assembly and method for repairing diffusion cooling passages |
US8925201B2 (en) * | 2009-06-29 | 2015-01-06 | Pratt & Whitney Canada Corp. | Method and apparatus for providing rotor discs |
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 |
US9181819B2 (en) * | 2010-06-11 | 2015-11-10 | Siemens Energy, Inc. | Component wall having diffusion sections for cooling in a turbine engine |
US9028207B2 (en) | 2010-09-23 | 2015-05-12 | Siemens Energy, Inc. | Cooled component wall in a turbine engine |
US9024226B2 (en) * | 2012-02-15 | 2015-05-05 | United Technologies Corporation | EDM method for multi-lobed cooling hole |
US9039887B2 (en) | 2012-05-14 | 2015-05-26 | United Technologies Corporation | Component finishing method and assembly |
US8764515B2 (en) | 2012-05-14 | 2014-07-01 | United Technologies Corporation | Component machining method and assembly |
US20160298462A1 (en) * | 2015-04-09 | 2016-10-13 | United Technologies Corporation | Cooling passages for a gas turbine engine component |
US9849528B2 (en) | 2015-09-15 | 2017-12-26 | General Electric Company | Electrical discharge machining system having independent electrodes |
US10307846B2 (en) | 2015-09-15 | 2019-06-04 | General Electric Company | Electrical discharge machining system having independent electrodes, related control system and method |
US10953483B2 (en) | 2017-11-15 | 2021-03-23 | General Electric Company | Tool electrode for and methods of electrical discharge machining |
CN109530827B (zh) * | 2018-12-29 | 2020-05-22 | 中核北方核燃料元件有限公司 | 一种h型槽的加工方法 |
CN110064784B (zh) * | 2019-05-31 | 2020-04-28 | 常州工学院 | 一种阵列群孔电解加工装置及其加工方法 |
CN110064805B (zh) * | 2019-05-31 | 2020-04-28 | 常州工学院 | 一种电解加工电解液均流阵列群孔阴极及其制作方法 |
Family Cites Families (28)
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SU174934A (ja) * | ||||
FR1269229A (fr) * | 1960-06-29 | 1961-08-11 | Const Guinard | Procédé pour la fabrication de tamis |
US3590204A (en) * | 1968-05-16 | 1971-06-29 | Oconnor Thomas John | Structure for electroerosive machining with rotating tubular electrodes |
US3604884A (en) * | 1969-04-24 | 1971-09-14 | Essar Corp | Electrode feed control for edm machine |
GB1348480A (en) * | 1970-07-16 | 1974-03-20 | Secr Defence | Electrolytic drilling of holes |
US3793170A (en) * | 1971-06-09 | 1974-02-19 | Trw Inc | Electrochemical machining method and apparatus |
US3767555A (en) * | 1971-10-18 | 1973-10-23 | United Aircraft Corp | Replaceable tool for electrochemical drilling |
BE795073A (fr) * | 1972-03-02 | 1973-05-29 | Gen Electric | Procede pour la fabrication d'aubes creuses |
BE795869A (fr) * | 1972-04-19 | 1973-06-18 | Gen Electric | Electrode pour l'usinage par voie electrolytique |
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GB2177644B (en) * | 1984-07-31 | 1989-05-17 | Inst Elektroniki Im U A Arifov | Electrode-tool for electroerosive drilling of holes in workpieces and methods of electroerosive drilling of holes in workpieces by such electrode-tool. |
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GB9014798D0 (en) * | 1990-07-04 | 1990-08-22 | Moss Machines Ltd | Method of refeeding electrical discharge machining electrodes |
GB2246975B (en) * | 1990-08-18 | 1994-01-05 | Rolls Royce Plc | Multi-electrode rotation in electrical discharge machining |
US5165852A (en) * | 1990-12-18 | 1992-11-24 | General Electric Company | Rotation enhanced rotor blade cooling using a double row of coolant passageways |
JPH05253754A (ja) * | 1992-03-09 | 1993-10-05 | Nippondenso Co Ltd | 放電加工用電極 |
-
1993
- 1993-12-21 US US08/171,293 patent/US5605639A/en not_active Expired - Fee Related
-
1994
- 1994-12-07 EP EP95904880A patent/EP0735934B1/en not_active Expired - Lifetime
- 1994-12-07 JP JP51747395A patent/JP3263397B2/ja not_active Expired - Lifetime
- 1994-12-07 WO PCT/US1994/014268 patent/WO1995017277A1/en active IP Right Grant
- 1994-12-07 DE DE69416865T patent/DE69416865T2/de not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003155935A (ja) * | 2001-08-23 | 2003-05-30 | United Technol Corp <Utc> | 孔を有するガスタービン構成要素の修理方法 |
JP2013167205A (ja) * | 2012-02-15 | 2013-08-29 | Hitachi Ltd | ガスタービン翼、その放電加工用工具及び加工方法 |
US10257403B2 (en) | 2013-04-05 | 2019-04-09 | Sony Corporation | Intermediate unit and camera system |
US10893185B2 (en) | 2013-04-05 | 2021-01-12 | Sony Corporation | Intermediate unit and camera system |
US11196911B2 (en) | 2013-04-05 | 2021-12-07 | Sony Group Corporation | Intermediate unit and camera system |
Also Published As
Publication number | Publication date |
---|---|
WO1995017277A1 (en) | 1995-06-29 |
DE69416865T2 (de) | 1999-10-07 |
EP0735934B1 (en) | 1999-03-03 |
DE69416865D1 (de) | 1999-04-08 |
EP0735934A1 (en) | 1996-10-09 |
JP3263397B2 (ja) | 2002-03-04 |
US5605639A (en) | 1997-02-25 |
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