FR2459301A1 - Procede et appareil pour le finissage electrochimique des bords des parties aerodynamiques des palettes des moteurs a turbine a gaz - Google Patents
Procede et appareil pour le finissage electrochimique des bords des parties aerodynamiques des palettes des moteurs a turbine a gaz Download PDFInfo
- Publication number
- FR2459301A1 FR2459301A1 FR8013068A FR8013068A FR2459301A1 FR 2459301 A1 FR2459301 A1 FR 2459301A1 FR 8013068 A FR8013068 A FR 8013068A FR 8013068 A FR8013068 A FR 8013068A FR 2459301 A1 FR2459301 A1 FR 2459301A1
- Authority
- FR
- France
- Prior art keywords
- edge
- electrode
- workpiece
- aerodynamic
- distance
- 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
- 238000000034 method Methods 0.000 title claims abstract description 12
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 title abstract 2
- 230000008569 process Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 26
- 239000003792 electrolyte Substances 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 13
- 230000007423 decrease Effects 0.000 claims description 11
- 238000007730 finishing process Methods 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000005242 forging Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N hydrofluoric acid Substances F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- ACKLIRAPAVQACS-UHFFFAOYSA-N ethane-1,2-diol;sulfuric acid Chemical compound OCCO.OS(O)(=O)=O ACKLIRAPAVQACS-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/14—Etching locally
-
- 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
- B23H9/02—Trimming or deburring
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/050,388 US4217190A (en) | 1979-06-20 | 1979-06-20 | Method and apparatus for electrochemically finishing airfoil edges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2459301A1 true FR2459301A1 (fr) | 1981-01-09 |
| FR2459301B1 FR2459301B1 (OSRAM) | 1982-10-22 |
Family
ID=21964974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8013068A Granted FR2459301A1 (fr) | 1979-06-20 | 1980-06-12 | Procede et appareil pour le finissage electrochimique des bords des parties aerodynamiques des palettes des moteurs a turbine a gaz |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4217190A (OSRAM) |
| JP (1) | JPS5641381A (OSRAM) |
| BE (1) | BE883634A (OSRAM) |
| CA (1) | CA1158197A (OSRAM) |
| DE (1) | DE3022519A1 (OSRAM) |
| FR (1) | FR2459301A1 (OSRAM) |
| GB (1) | GB2053274B (OSRAM) |
| SE (1) | SE8004513L (OSRAM) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8005927A (nl) * | 1979-11-22 | 1981-06-16 | Kotobuki Seihan Printing Co | Werkwijze en inrichting voor het opnieuw aanscherpen van snijgereedschappen door een elektropolijstproces. |
| JPS61219556A (ja) * | 1985-03-23 | 1986-09-29 | Matsushita Electric Works Ltd | 湾曲板への孔あけ装置 |
| US4650949A (en) * | 1985-12-23 | 1987-03-17 | United Technologies Corporation | Electrode for electrical discharge machining film cooling passages in an airfoil |
| US5217586A (en) * | 1992-01-09 | 1993-06-08 | International Business Machines Corporation | Electrochemical tool for uniform metal removal during electropolishing |
| SE511209C2 (sv) * | 1994-12-12 | 1999-08-23 | Sandvik Ab | Metod för att erhålla väldefinierade eggradier på skär med elektropoleringsteknik |
| US5993638A (en) * | 1997-05-23 | 1999-11-30 | Sandvik Ab | Method for obtaining well-defined edge radii on cutting tool inserts in combination with a high surface finish over the whole insert by electropolishing technique |
| US6398941B2 (en) * | 1997-06-13 | 2002-06-04 | General Electric Company | Method of shaping a workpiece using an electrochemical machining tool |
| US6106204A (en) * | 1997-09-05 | 2000-08-22 | United Technologies Corporation | Apparatus for forming the edge of an airfoil |
| US6866769B2 (en) * | 2001-11-14 | 2005-03-15 | General Electric Company | Drive head and ECM method and tool for making same |
| US8974656B2 (en) * | 2007-04-13 | 2015-03-10 | General Electric Company | Method for roughening metal surfaces and article manufactured thereby |
| EP2540876B1 (en) * | 2011-06-30 | 2018-08-15 | General Electric Company | Method for roughening metal surfaces and article manufactured thereby |
| US8764515B2 (en) * | 2012-05-14 | 2014-07-01 | United Technologies Corporation | Component machining method and assembly |
| US8906221B2 (en) | 2012-08-06 | 2014-12-09 | General Electric Company | Electrochemical grinding tool and method |
| US9162301B2 (en) | 2012-08-06 | 2015-10-20 | General Electric Company | Electrochemical machining tools and methods |
| US20140241897A1 (en) * | 2012-09-25 | 2014-08-28 | United Technologies Corporation | Aluminum brazing of hollow titanium fan blades |
| DE102014018688A1 (de) * | 2014-12-18 | 2016-06-23 | Minebea Co., Ltd. | Vorrichtung zur Bearbeitung eines metallischen Bauteils mittels eines elektro-chemischen Abtragungsverfahrens |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB670542A (OSRAM) * | 1900-01-01 | |||
| US3816272A (en) * | 1972-08-04 | 1974-06-11 | F Joslin | Ecm treatment of small holes |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1135571A (en) * | 1964-12-23 | 1968-12-04 | Rolls Royce | Electrochemical machining |
| US3970538A (en) * | 1975-03-19 | 1976-07-20 | Avco Corporation | Apparatus for electro-chemical milling of turbine blade edges |
-
1979
- 1979-06-20 US US06/050,388 patent/US4217190A/en not_active Ceased
-
1980
- 1980-05-14 CA CA000351880A patent/CA1158197A/en not_active Expired
- 1980-06-03 GB GB8018127A patent/GB2053274B/en not_active Expired
- 1980-06-04 BE BE0/200885A patent/BE883634A/fr not_active IP Right Cessation
- 1980-06-12 FR FR8013068A patent/FR2459301A1/fr active Granted
- 1980-06-16 DE DE19803022519 patent/DE3022519A1/de not_active Withdrawn
- 1980-06-18 SE SE8004513A patent/SE8004513L/ not_active Application Discontinuation
- 1980-06-20 JP JP8386380A patent/JPS5641381A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB670542A (OSRAM) * | 1900-01-01 | |||
| US3816272A (en) * | 1972-08-04 | 1974-06-11 | F Joslin | Ecm treatment of small holes |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4217190A (en) | 1980-08-12 |
| SE8004513L (sv) | 1980-12-21 |
| DE3022519A1 (de) | 1981-01-15 |
| GB2053274B (en) | 1983-02-09 |
| FR2459301B1 (OSRAM) | 1982-10-22 |
| GB2053274A (en) | 1981-02-04 |
| CA1158197A (en) | 1983-12-06 |
| JPS5641381A (en) | 1981-04-18 |
| BE883634A (fr) | 1980-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |