JP2008229841A - タービュレータ付き冷却孔を形成するための方法及びシステム - Google Patents
タービュレータ付き冷却孔を形成するための方法及びシステム Download PDFInfo
- Publication number
- JP2008229841A JP2008229841A JP2008068684A JP2008068684A JP2008229841A JP 2008229841 A JP2008229841 A JP 2008229841A JP 2008068684 A JP2008068684 A JP 2008068684A JP 2008068684 A JP2008068684 A JP 2008068684A JP 2008229841 A JP2008229841 A JP 2008229841A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- section
- hole
- cross
- sectional area
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000003754 machining Methods 0.000 claims abstract description 28
- 239000003792 electrolyte Substances 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 description 3
- 239000003929 acidic solution Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
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
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
- B23H3/06—Electrode material
-
- 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
-
- 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
- B23H3/04—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
-
- 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
-
- 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
- F05B2230/00—Manufacture
- F05B2230/10—Manufacture by removing material
- F05B2230/101—Manufacture by removing material by electrochemical methods
-
- 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
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
- F05B2260/221—Improvement of heat transfer
- F05B2260/222—Improvement of heat transfer by creating turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/726,424 US20080230396A1 (en) | 2007-03-22 | 2007-03-22 | Methods and systems for forming turbulated cooling holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008229841A true JP2008229841A (ja) | 2008-10-02 |
| JP2008229841A5 JP2008229841A5 (enExample) | 2011-04-28 |
Family
ID=39628910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008068684A Pending JP2008229841A (ja) | 2007-03-22 | 2008-03-18 | タービュレータ付き冷却孔を形成するための方法及びシステム |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080230396A1 (enExample) |
| EP (1) | EP1972403A3 (enExample) |
| JP (1) | JP2008229841A (enExample) |
| KR (1) | KR20080086379A (enExample) |
| CN (1) | CN101269429A (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014076521A (ja) * | 2012-10-11 | 2014-05-01 | Mitsubishi Heavy Ind Ltd | 電解加工工具及び電解加工システム |
| JP2015055248A (ja) * | 2013-09-11 | 2015-03-23 | ゼネラル・エレクトリック・カンパニイ | 改質プロセスおよび改質物品 |
| WO2016021324A1 (ja) * | 2014-08-04 | 2016-02-11 | 三菱日立パワーシステムズ株式会社 | ガスタービンの高温部品、これを備えるガスタービン、及びガスタービンの高温部品の製造方法 |
| JP2019519386A (ja) * | 2016-06-17 | 2019-07-11 | ゼネラル・エレクトリック・カンパニイ | ワークピースを機械加工するためのシステムおよび方法ならびにワークピースから機械加工した物品 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8535491B2 (en) * | 2009-09-18 | 2013-09-17 | General Electric Company | Electrochemical machining assembly with curved electrode |
| CN102133665A (zh) * | 2010-08-25 | 2011-07-27 | 中国船舶重工集团公司第七○四研究所 | 电蚀加工阀套全周边工艺装置 |
| US9192999B2 (en) | 2013-07-01 | 2015-11-24 | General Electric Company | Methods and systems for electrochemical machining of an additively manufactured component |
| US9878386B2 (en) * | 2013-10-31 | 2018-01-30 | Foundation Of Soongsil University-Industry Cooperation | Eccentric electrode for electric discharge machining, method of manufacturing the same, and micro electric discharge machining apparatus including the same |
| US20170274451A1 (en) * | 2014-10-24 | 2017-09-28 | Siemens Aktiengesellschaft | Electrochemical machining inner contours of gas turbine engine components |
| US9693487B2 (en) | 2015-02-06 | 2017-06-27 | Caterpillar Inc. | Heat management and removal assemblies for semiconductor devices |
| CN105108248B (zh) * | 2015-09-02 | 2018-09-28 | 北京市电加工研究所 | 一种慢波结构微细内槽电火花加工用叠式组合电极及其制作方法 |
| CN106238838B (zh) * | 2016-07-29 | 2018-02-27 | 浙江工业大学 | 一种电化学加工椭球形竹节孔的方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002103146A (ja) * | 2000-09-25 | 2002-04-09 | Hoden Seimitsu Kako Kenkyusho Ltd | 異形穴の電解加工方法 |
| JP2002307249A (ja) * | 2001-04-10 | 2002-10-23 | Mitsubishi Heavy Ind Ltd | 穴加工方法及び穴加工用電極 |
| JP2003507197A (ja) * | 1999-08-16 | 2003-02-25 | ゼネラル・エレクトリック・カンパニイ | 電解加工のための方法と工具 |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803018A (en) * | 1970-01-23 | 1974-04-09 | Trw Inc | Electrolytic hole forming cathode electrode |
| IT1192336B (it) * | 1978-10-30 | 1988-03-31 | Fiat Spa | Utensile ad elettrodo per lavorazioni ad asportazione elettrochimica |
| US4995949A (en) * | 1986-03-21 | 1991-02-26 | Extrude Hone Corporation | Orifice sizing using chemical, electrochemical, electrical discharge machining, plating, coating techniques |
| US4690737A (en) * | 1986-06-10 | 1987-09-01 | Cation Corporation | Electrochemical rifling of gun barrels |
| US5413463A (en) * | 1991-12-30 | 1995-05-09 | General Electric Company | Turbulated cooling passages in gas turbine buckets |
| US5306401A (en) * | 1993-03-15 | 1994-04-26 | Fierkens Richard H J | Method for drilling cooling holes in turbine blades |
| US5416289A (en) * | 1994-02-14 | 1995-05-16 | Tanaka; Dwight | Method of and apparatus for increasing the productivity of an electroerosion drill |
| US5820744A (en) * | 1996-09-30 | 1998-10-13 | Doncasters, Turbo Products Division | Electrochemical machining method and apparatus |
| US6303193B1 (en) * | 1998-11-05 | 2001-10-16 | General Electric Company | Process for fabricating a tool used in electrochemical machining |
| US6200439B1 (en) * | 1998-11-05 | 2001-03-13 | General Electric Company | Tool for electrochemical machining |
| EP1013884B1 (de) * | 1998-12-24 | 2005-07-27 | ALSTOM Technology Ltd | Turbinenschaufel mit aktiv gekühltem Deckbandelememt |
| US6582584B2 (en) * | 1999-08-16 | 2003-06-24 | General Electric Company | Method for enhancing heat transfer inside a turbulated cooling passage |
| US6387242B1 (en) * | 1999-08-16 | 2002-05-14 | General Electric Company | Method and tool for electrochemical machining |
| US6234752B1 (en) * | 1999-08-16 | 2001-05-22 | General Electric Company | Method and tool for electrochemical machining |
| US6267868B1 (en) * | 1999-08-16 | 2001-07-31 | General Electric Company | Method and tool for electrochemical machining |
| US6390473B1 (en) * | 1999-09-09 | 2002-05-21 | Olaf Vancura | Apportionment of pay out of casino game with escrow |
| US6539627B2 (en) * | 2000-01-19 | 2003-04-01 | General Electric Company | Method of making turbulated cooling holes |
| US6339879B1 (en) * | 2000-08-29 | 2002-01-22 | General Electric Company | Method of sizing and forming a cooling hole in a gas turbine engine component |
| US6416283B1 (en) * | 2000-10-16 | 2002-07-09 | General Electric Company | Electrochemical machining process, electrode therefor and turbine bucket with turbulated cooling passage |
| US6375425B1 (en) * | 2000-11-06 | 2002-04-23 | General Electric Company | Transpiration cooling in thermal barrier coating |
| US6413407B1 (en) * | 2000-11-27 | 2002-07-02 | Lehr Precision, Inc. | Fluted electrochemical machining |
| US6627054B2 (en) * | 2001-01-23 | 2003-09-30 | General Electric Company | Electrode for electrochemical machining |
| US6554517B2 (en) * | 2001-07-19 | 2003-04-29 | Cynthia G. Ahmed | Multicolor marker |
| US6644921B2 (en) * | 2001-11-08 | 2003-11-11 | General Electric Company | Cooling passages and methods of fabrication |
| US6743350B2 (en) * | 2002-03-18 | 2004-06-01 | General Electric Company | Apparatus and method for rejuvenating cooling passages within a turbine airfoil |
| US6994514B2 (en) * | 2002-11-20 | 2006-02-07 | Mitsubishi Heavy Industries, Ltd. | Turbine blade and gas turbine |
| US6910864B2 (en) * | 2003-09-03 | 2005-06-28 | General Electric Company | Turbine bucket airfoil cooling hole location, style and configuration |
| US6997679B2 (en) * | 2003-12-12 | 2006-02-14 | General Electric Company | Airfoil cooling holes |
| US6997675B2 (en) * | 2004-02-09 | 2006-02-14 | United Technologies Corporation | Turbulated hole configurations for turbine blades |
-
2007
- 2007-03-22 US US11/726,424 patent/US20080230396A1/en not_active Abandoned
-
2008
- 2008-03-18 JP JP2008068684A patent/JP2008229841A/ja active Pending
- 2008-03-19 EP EP08153011A patent/EP1972403A3/en not_active Withdrawn
- 2008-03-20 CN CNA2008100873661A patent/CN101269429A/zh active Pending
- 2008-03-20 KR KR1020080025886A patent/KR20080086379A/ko not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003507197A (ja) * | 1999-08-16 | 2003-02-25 | ゼネラル・エレクトリック・カンパニイ | 電解加工のための方法と工具 |
| JP2002103146A (ja) * | 2000-09-25 | 2002-04-09 | Hoden Seimitsu Kako Kenkyusho Ltd | 異形穴の電解加工方法 |
| JP2002307249A (ja) * | 2001-04-10 | 2002-10-23 | Mitsubishi Heavy Ind Ltd | 穴加工方法及び穴加工用電極 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014076521A (ja) * | 2012-10-11 | 2014-05-01 | Mitsubishi Heavy Ind Ltd | 電解加工工具及び電解加工システム |
| JP2015055248A (ja) * | 2013-09-11 | 2015-03-23 | ゼネラル・エレクトリック・カンパニイ | 改質プロセスおよび改質物品 |
| WO2016021324A1 (ja) * | 2014-08-04 | 2016-02-11 | 三菱日立パワーシステムズ株式会社 | ガスタービンの高温部品、これを備えるガスタービン、及びガスタービンの高温部品の製造方法 |
| JP2016035239A (ja) * | 2014-08-04 | 2016-03-17 | 三菱日立パワーシステムズ株式会社 | ガスタービンの高温部品、これを備えるガスタービン、及びガスタービンの高温部品の製造方法 |
| US9540934B2 (en) | 2014-08-04 | 2017-01-10 | Mitsubishi Hitachi Power Systems, Ltd. | Hot part of gas turbine, gas turbine including the same, and manufacturing method of hot part of gas turbine |
| JP2019519386A (ja) * | 2016-06-17 | 2019-07-11 | ゼネラル・エレクトリック・カンパニイ | ワークピースを機械加工するためのシステムおよび方法ならびにワークピースから機械加工した物品 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080086379A (ko) | 2008-09-25 |
| EP1972403A3 (en) | 2011-11-02 |
| EP1972403A2 (en) | 2008-09-24 |
| US20080230396A1 (en) | 2008-09-25 |
| CN101269429A (zh) | 2008-09-24 |
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