JP4146376B2 - タービンエンジンの軽量化羽根およびその製造方法 - Google Patents
タービンエンジンの軽量化羽根およびその製造方法 Download PDFInfo
- Publication number
- JP4146376B2 JP4146376B2 JP2004083851A JP2004083851A JP4146376B2 JP 4146376 B2 JP4146376 B2 JP 4146376B2 JP 2004083851 A JP2004083851 A JP 2004083851A JP 2004083851 A JP2004083851 A JP 2004083851A JP 4146376 B2 JP4146376 B2 JP 4146376B2
- Authority
- JP
- Japan
- Prior art keywords
- cover
- side wall
- wing
- blank
- welding
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
- Y10T29/49339—Hollow blade
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Laser Beam Processing (AREA)
Description
10a ブランク
20 脚部
30 プラットフォーム
40 翼
42 前縁
42a、44a ライン
44 後縁
46 幾何学的な線
50a、50b 側壁
56 台座
60 頂部
62 延長部
70 空洞
72 底
74 側面
76 開口部
80 カバー
82 カバーの外面
84 カバーの内面
85 カバーの縁
86 最小側面
90 接合部
92 接合部の支持面
94 接合部の側面
100、100’ 溶接ビード
102、102’ 溶接ビードの始まり部分
104、104’ 末端部分
106 応力
110 接続部
130 テーブル
132 工具またはスピンドル
140 取付台
142 支持面
150 ストッパ
160 クランプ
170 溶接工具
172 回転軸
174 爪
176 ショルダ
178 侵入力
180 余分な厚み
190 中央リブ
Claims (4)
- タービンエンジンの軽量化された羽根の製造方法であって、
a.翼(40)のブランク(10a)を製造する操作と、
b.窪みのある側壁(50a)と呼ばれる側壁に空洞(70)をあける操作と、
c.接合部(90)が、空洞(70)を縁取り、支持面(92)と側面(94)とを含んでおり、窪みのある側壁(50a)にこの接合部(90)をあける操作と、
d.窪みのある側壁(50a)の形状をとる外面(82)と、前記外面(82)と反対にある内面(84)をと含むカバー(80)を製造する操作とを含み、前記接合部(90)およびカバー(80)は、カバー(80)が接合部(90)に入ってその内面(84)により支持面(92)で支持されることにより、外面(82)が窪みのある側壁(50a)の延長線上にくるように寸法決定し、接合部(90)の側面(94)が、カバー(80)を囲んでカバーを空洞(70)の上に配置し、窪みのある側壁(50a)でこの空洞(70)を被覆するようにし、
e.接合部(90)にカバー(80)を挿入し、窪みのある側壁(50a)の翼(40)の他の部分にカバー(80)の縁(85)を溶接する操作を含み、前記溶接が、爪(174)とショルダ(176)とを備える工具であって、カバー(80)と翼(40)の他の部分との間にある窪みのある側壁(50a)から、窪みのある側壁(50a)およびカバー(80)とショルダとが接触するまで入る工具(132)の回転により実施され、次いで、前記工具(132)が、溶接軌道に沿って移動し、溶接ビード(100)が、カバーの縁(85)の厚さECに少なくとも等しい深さPで翼(40)に入ることにより、カバー(80)の縁(85)の厚さECに少なくとも等しい深さについて、カバーの縁(85)と、翼(40)の他の部分との間の材料の連続性を確保し、
f.羽根(10)を仕上げる操作を含み、
ブランク(10a)が、最終的な羽根(10)となる部分の外側に配置される少なくとも一つの延長部(62)を頂部(60)に含み、溶接ビード(100)の始まり部分(102)と末端部分(104)とが、前記延長部(62)にあることを特徴とする、方法。 - 溶接が、摩擦溶接機により行われ、この溶接機が、三個の並進自在度と二個の回転自在度とに従って相対移動可能なテーブル(130)およびスピンドル(132)を含んでおり、前記スピンドル(132)が、幾何学的な回転軸(172)に従って溶接工具(170)を回転駆動し、前記溶接工具(170)が、ショルダ(176)に突出する爪(174)を含み、ブランク(10a)が、テーブル(130)に結合される取付台(140)に配置され、前記取付台(140)が、ブランク(10a)の反対側の側壁(50b)に係合する形状の支持面(142)を含み、ブランク(10a)が、その反対側の側壁(50b)によって前記支持面(142)で支持され、この取付台(140)が、また、ブランク(10a)を囲んで取付台(140)にブランクを横に配置するストッパ(150)を含み、前記カバー(80)が、前記接合部(90)に挿入され、ブランク(10a)とカバー(80)とからなるアセンブリが、遠隔制御される複数のクランプ(160)により保持され、回転する爪(174)が、カバーの縁(85)と翼(40)の他の部分との間で中空の側壁(50a)に差し込まれ、そのときショルダ(176)が、中空の側壁(50a)と同じ高さになり、制御される各クランプ(160)は、溶接工具(100)の通過時に引っ込んで、この工具と衝突しないようにすることを特徴とする、請求項1に記載の方法。
- 頂部(60)が開いており、空洞(70)が、始まり部分(102’)を備える中央溶接ビード(100’)によりカバー(80)に溶接される中央リブ(190)を含んでおり、前記中央溶接ビード(100’)の始まり部分(102’)が、溶接ビード(100)にあり、前記中央溶接ビード(100’)が、溶接ビード(100)に予め形成されることを特徴とする、請求項1または2に記載の方法。
- 請求項1から3のいずれか一項に記載の方法によって得られる、タービンエンジンの軽量化羽根。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0303814A FR2852999B1 (fr) | 2003-03-28 | 2003-03-28 | Aube allegee de turbomachine et son procede de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004301122A JP2004301122A (ja) | 2004-10-28 |
JP4146376B2 true JP4146376B2 (ja) | 2008-09-10 |
Family
ID=32799765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004083851A Expired - Fee Related JP4146376B2 (ja) | 2003-03-28 | 2004-03-23 | タービンエンジンの軽量化羽根およびその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7021899B2 (ja) |
EP (1) | EP1462609B1 (ja) |
JP (1) | JP4146376B2 (ja) |
CA (1) | CA2461519C (ja) |
DE (1) | DE602004002011T2 (ja) |
FR (1) | FR2852999B1 (ja) |
RU (1) | RU2264902C1 (ja) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7189064B2 (en) | 2004-05-14 | 2007-03-13 | General Electric Company | Friction stir welded hollow airfoils and method therefor |
JP2007023895A (ja) * | 2005-07-15 | 2007-02-01 | Toshiba Corp | 蒸気タービン、タービンノズルダイアフラム、及びこれらに用いられるノズル翼、並びにその製造方法 |
US20080072569A1 (en) * | 2006-09-27 | 2008-03-27 | Thomas Ory Moniz | Guide vane and method of fabricating the same |
US8568101B2 (en) | 2007-03-27 | 2013-10-29 | Ihi Corporation | Fan rotor blade support structure and turbofan engine having the same |
US7980817B2 (en) * | 2007-04-16 | 2011-07-19 | United Technologies Corporation | Gas turbine engine vane |
US20080308610A1 (en) * | 2007-06-15 | 2008-12-18 | United Technologies Corporation | Hollow structures formed with friction stir welding |
US20100068550A1 (en) * | 2007-06-15 | 2010-03-18 | United Technologies Corporation | Hollow structures formed with friction stir welding |
US8267663B2 (en) * | 2008-04-28 | 2012-09-18 | Pratt & Whitney Canada Corp. | Multi-cast turbine airfoils and method for making same |
US8510925B2 (en) * | 2008-09-04 | 2013-08-20 | Rolls-Royce Corporation | System and method for sealing vacuum in hollow fan blades |
US8083489B2 (en) * | 2009-04-16 | 2011-12-27 | United Technologies Corporation | Hybrid structure fan blade |
US8585368B2 (en) | 2009-04-16 | 2013-11-19 | United Technologies Corporation | Hybrid structure airfoil |
US20110211965A1 (en) * | 2010-02-26 | 2011-09-01 | United Technologies Corporation | Hollow fan blade |
US8616834B2 (en) * | 2010-04-30 | 2013-12-31 | General Electric Company | Gas turbine engine airfoil integrated heat exchanger |
US8740567B2 (en) * | 2010-07-26 | 2014-06-03 | United Technologies Corporation | Reverse cavity blade for a gas turbine engine |
JP5411120B2 (ja) * | 2010-12-27 | 2014-02-12 | 株式会社日立製作所 | チタン合金製タービン翼 |
US8788083B2 (en) * | 2011-07-22 | 2014-07-22 | Pratt & Whitney Canada Corp. | Compensation for process variables in a numerically-controlled machining operation |
US20130082088A1 (en) * | 2011-09-30 | 2013-04-04 | General Electric Company | Method and apparatus for repairing a component |
EP2610818A3 (de) * | 2011-12-30 | 2017-10-25 | Marquardt GmbH | "Gehäuse, insbesondere für einen elektronischen Schlüssel" |
US10047609B2 (en) | 2012-09-25 | 2018-08-14 | United Technologies Corporation | Airfoil array with airfoils that differ in geometry according to geometry classes |
US9441496B2 (en) * | 2012-09-26 | 2016-09-13 | United Technologies Corporation | Structural guide vane internal topology |
ITTV20120204A1 (it) | 2012-10-30 | 2014-05-01 | Pietro Rosa T B M S R L | Metodo di costruzione di una paletta alleggerita per turbomacchine |
EP3772567B1 (en) * | 2012-11-19 | 2022-06-01 | Raytheon Technologies Corporation | Gas turbine engine and corresponding method of designing a fan blade |
GB201302262D0 (en) * | 2013-02-08 | 2013-03-27 | Rolls Royce Plc | Manufacture of hollow aerofoil |
ITTV20130029A1 (it) | 2013-02-28 | 2014-08-29 | Pietro Rosa T B M S R L | Paletta per turbomacchine e relativo metodo di costruzione |
ITTV20130030A1 (it) * | 2013-02-28 | 2014-08-29 | Pietro Rosa T B M S R L | Metodo di costruzione di una paletta per turbomacchine |
ITTV20130031A1 (it) * | 2013-02-28 | 2014-08-29 | Pietro Rosa T B M S R L | Paletta per turbomacchine e relativo metodo di costruzione |
US10060266B2 (en) * | 2013-03-08 | 2018-08-28 | United Technologies Corporation | Covers for cavities in aircraft fan blades |
US20140286785A1 (en) * | 2013-03-08 | 2014-09-25 | General Electric Company | Method of producing a hollow airfoil |
US10294958B2 (en) | 2013-09-24 | 2019-05-21 | United Technologies Corporation | Fan blade assembly |
US10337521B2 (en) | 2013-11-26 | 2019-07-02 | United Technologies Corporation | Fan blade with integrated composite fan blade cover |
FR3032648B1 (fr) * | 2015-02-16 | 2017-03-03 | Herakles | Procede de fabrication d'une aube de turbomachine en materiau composite |
DE102015203765A1 (de) * | 2015-03-03 | 2016-09-08 | Siemens Aktiengesellschaft | Massives hohles Bauteil mit Blech zur Erzeugung eines Hohlraums |
GB201506901D0 (en) * | 2015-04-23 | 2015-06-10 | Rolls Royce Plc | Manufacture of a hollow aerofoil |
JP2016223404A (ja) * | 2015-06-03 | 2016-12-28 | 株式会社オティックス | 過給機用のコンプレッサハウジング及びその製造方法 |
US10400783B1 (en) * | 2015-07-01 | 2019-09-03 | Dometic Sweden Ab | Compact fan for a recreational vehicle |
GB2552343A (en) | 2016-07-19 | 2018-01-24 | Airbus Operations Ltd | Method of manufacturing a multi-alloy aerospace component |
US20180038386A1 (en) * | 2016-08-08 | 2018-02-08 | United Technologies Corporation | Fan blade with composite cover |
US10502064B2 (en) * | 2017-08-07 | 2019-12-10 | United Technologies Corporation | Power beam welded cavity-back titanium hollow fan blade |
FR3077751B1 (fr) * | 2018-02-13 | 2020-01-24 | Saint Jean Industries | Procede de fabrication d'un composant de bicyclette, composant de bicyclette et pedalier de bicyclette |
US10919116B2 (en) | 2018-06-14 | 2021-02-16 | Raytheon Technologies Corporation | Installation of laser vent holes into vertical walls of cavity-back airfoils |
US10828718B2 (en) * | 2018-06-14 | 2020-11-10 | Raytheon Technologies Corporation | Installation of waterjet vent holes into vertical walls of cavity-back airfoils |
DE102019202054A1 (de) * | 2019-02-15 | 2020-08-20 | Siemens Aktiengesellschaft | Laufschaufel für eine thermische Rotationsmaschine sowie Verfahren zum Herstellen einer solchen Laufschaufel |
FR3093132B1 (fr) * | 2019-02-27 | 2021-02-12 | Safran Aircraft Engines | Assemblage d’une aube directrice de sortie pour turbomachine d’aéronef à l’aide d’une vessie gonflable |
US11236619B2 (en) | 2019-05-07 | 2022-02-01 | Raytheon Technologies Corporation | Multi-cover gas turbine engine component |
US11174737B2 (en) | 2019-06-12 | 2021-11-16 | Raytheon Technologies Corporation | Airfoil with cover for gas turbine engine |
US11136889B2 (en) * | 2019-07-04 | 2021-10-05 | Doosan Heavy Industries & Construction Co., Ltd. | Compressor blade having organic vibration stiffener |
US11248477B2 (en) | 2019-08-02 | 2022-02-15 | Raytheon Technologies Corporation | Hybridized airfoil for a gas turbine engine |
CN110401275A (zh) * | 2019-08-21 | 2019-11-01 | 上海锢维智能设备有限公司 | 轻量化电机转子轴及其制作方法 |
CN117182288B (zh) * | 2023-11-07 | 2024-01-05 | 中国航发沈阳黎明航空发动机有限责任公司 | 一种整体叶盘钛合金线性摩擦焊的焊接接头形状设计方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1762352A (en) * | 1928-10-09 | 1930-06-10 | Westinghouse Electric & Mfg Co | Turbine blade |
FR889568A (fr) * | 1941-08-11 | 1944-01-13 | Bohmisch Mahrische Maschinenfa | Aube pour machines rotatives |
FR949459A (fr) * | 1947-07-09 | 1949-08-31 | Aubes pour rotors | |
US2675208A (en) * | 1948-10-11 | 1954-04-13 | Packard Motor Car Co | Turbine rotor blade |
US2807437A (en) * | 1952-05-01 | 1957-09-24 | Thompson Prod Inc | Method for making intricate hollow powder metal parts |
GB791751A (en) * | 1954-01-06 | 1958-03-12 | Bristol Aero Engines Ltd | Improvements in or relating to blades for axial flow gas turbine engines, and to methods of making such blades |
US3606580A (en) * | 1969-09-10 | 1971-09-20 | Cyclops Corp | Hollow airfoil members |
US3695778A (en) * | 1970-09-18 | 1972-10-03 | Trw Inc | Turbine blade |
BE789029A (fr) * | 1971-12-20 | 1973-01-15 | Gen Electric | Article metallique soude par frottement et procede de fabrication d'un tel article |
FR2695163B1 (fr) * | 1992-09-02 | 1994-10-28 | Snecma | Aube creuse pour turbomachine et son procédé de fabrication. |
EP1250516B1 (en) * | 2000-01-06 | 2010-08-04 | Damping Technologies, Inc. | Turbine engine damper |
JP3575748B2 (ja) * | 2000-03-06 | 2004-10-13 | 株式会社日立製作所 | 摩擦攪拌接合方法 |
DE50013334D1 (de) * | 2000-09-14 | 2006-09-28 | Siemens Ag | Vorrichtung und Verfahren zur Herstellung einer Schaufel für eine Turbine sowie entsprechend hergestellte Schaufel |
DE10064267A1 (de) * | 2000-12-22 | 2002-07-04 | Alstom Switzerland Ltd | Verfahren zum schnellen Herstellen von hohlen Turbinenschaufeln für die Fertigungsentwicklung und Bauteiltests |
GB0112876D0 (en) * | 2001-05-26 | 2001-07-18 | Rolls Royce Plc | A method of manufacturing an article |
JP2003065068A (ja) * | 2001-08-29 | 2003-03-05 | Mitsubishi Heavy Ind Ltd | ガスタービン翼頂部の加工孔閉塞方法 |
-
2003
- 2003-03-28 FR FR0303814A patent/FR2852999B1/fr not_active Expired - Fee Related
-
2004
- 2004-03-23 CA CA2461519A patent/CA2461519C/fr not_active Expired - Fee Related
- 2004-03-23 JP JP2004083851A patent/JP4146376B2/ja not_active Expired - Fee Related
- 2004-03-24 DE DE602004002011T patent/DE602004002011T2/de not_active Expired - Lifetime
- 2004-03-24 EP EP04290787A patent/EP1462609B1/fr not_active Expired - Lifetime
- 2004-03-24 US US10/807,243 patent/US7021899B2/en not_active Expired - Fee Related
- 2004-03-26 RU RU2004109128/02A patent/RU2264902C1/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2852999B1 (fr) | 2007-03-23 |
US20060039792A1 (en) | 2006-02-23 |
DE602004002011D1 (de) | 2006-10-05 |
EP1462609B1 (fr) | 2006-08-23 |
RU2004109128A (ru) | 2005-09-20 |
US7021899B2 (en) | 2006-04-04 |
CA2461519A1 (fr) | 2004-09-28 |
RU2264902C1 (ru) | 2005-11-27 |
FR2852999A1 (fr) | 2004-10-01 |
CA2461519C (fr) | 2012-01-03 |
JP2004301122A (ja) | 2004-10-28 |
DE602004002011T2 (de) | 2007-04-12 |
EP1462609A1 (fr) | 2004-09-29 |
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