JP4707465B2 - 損傷した翼型を交換する方法 - Google Patents
損傷した翼型を交換する方法 Download PDFInfo
- Publication number
- JP4707465B2 JP4707465B2 JP2005162142A JP2005162142A JP4707465B2 JP 4707465 B2 JP4707465 B2 JP 4707465B2 JP 2005162142 A JP2005162142 A JP 2005162142A JP 2005162142 A JP2005162142 A JP 2005162142A JP 4707465 B2 JP4707465 B2 JP 4707465B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- collar
- disc
- protective material
- short column
- 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.)
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Classifications
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- 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
- B23K20/1205—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 translation movement
-
- 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
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
- B23P6/005—Repairing turbine components, e.g. moving or stationary blades, rotors using only replacement pieces of a particular form
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
-
- 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
- Y10T29/49318—Repairing or disassembling
-
- 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
- Y10T29/4932—Turbomachine making
- Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member
-
- 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
-
- 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
- Y10T29/49718—Repairing
- Y10T29/49721—Repairing with disassembling
- Y10T29/4973—Replacing of defective part
-
- 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
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
-
- 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
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
- Y10T29/49734—Repairing by attaching repair preform, e.g., remaking, restoring, or patching and removing damaged material
-
- 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
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
- Y10T29/49734—Repairing by attaching repair preform, e.g., remaking, restoring, or patching and removing damaged material
- Y10T29/49737—Metallurgically attaching preform
-
- 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
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
- Y10T29/49742—Metallurgically attaching preform
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Crushing And Pulverization Processes (AREA)
Description
円板から突き出すブレード短柱が残るように損傷したブレードを除去するステップと、
円板から物理的に分離した位置にてブレード短柱の周りに金属カラーを堆積させるステップと、
線状摩擦溶接により交換ブレードを短柱に取り付けるステップと、
カラーを除去するステップとを備える、上記ブレードを交換する方法が提供される。
保護材料は、カラーを堆積させる前に、堆積させることができる。
線状摩擦溶接過程は、円板に対し接線方向にブレードを揺動させるステップを含むことができる。
添付図面を参照しつつ、単に説明の目的のため、本発明の1つの実施の形態について説明する。
12、12A、12B ブレード
14 円板
16 短柱
18 当初の溶接面
20 保護材料
21 中央開口部
22 カラー
24 中央開口部
25 基部
26 半径方向外面
Claims (14)
- 円板(14)と、該円板(14)から半径方向外方に伸びる複数のブレード(12)とを有するブレード一体型のロータ組立体(10)の損傷したブレードを交換する方法であって、
円板(14)から突き出すブレード短柱(16)が残るように損傷したブレード(12A)を除去するステップと、
ブレード短柱(16)の周りに金属のカラー(22)を堆積させるステップと、
線状摩擦溶接により交換ブレード(12B)をブレード短柱(16)に取り付けるステップと、カラー(22)を除去するステップとを備える、方法において、
カラー(22)が、前記ステップ中の熱入力が円板を損傷させないように円板から隔離した位置に堆積されることを特徴とする、ロータ組立体の損傷したブレードを交換する方法。 - ロータ組立体(10)が、ブレード(12)がロータ(10)に溶接された位置を画成する当初の溶接面(18)を有する請求項1に記載の方法において、
損傷したブレード(12A)が当初の溶接面(18)の半径方向外方で除去されることを特徴とする、方法。 - 請求項2に記載の方法において、カラー(22)が、該カラーが当初の溶接面(18)を取り囲むように堆積されることを特徴とする、方法。
- 請求項1ないし3の何れか1つの項に記載の方法において、カラー(22)が、所要形状の金属堆積法により、又はプラズマ、レーザ粉体又はレーザワイヤー堆積法のようなその他の材料追加法により、堆積されることを特徴とする、方法。
- 請求項4に記載の方法において、カラー(22)が、環状であり、且つブレード短柱(16)が貫通する中央開口部(24)を有することを特徴とする、方法。
- 請求項1ないし5の何れか1つの項に記載の方法において、保護材料(20)を円板(14)に隣接してブレード短柱の周りに堆積させるステップを含み、該保護材料は、カラー(22)の材料と異なることを特徴とする、方法。
- 請求項6に記載の方法において、保護材料(20)がポリマー又は耐熱性被覆であることを特徴とする、方法。
- 請求項6又は7に記載の方法において、保護材料(20)が、環状であり、且つブレード短柱(16)が貫通する中央開口部(21)を有することを特徴とする、方法。
- 請求項8に記載の方法において、保護材料(20)が、カラー(22)を堆積させる前に、堆積されることを特徴とする、方法。
- 請求項9の記載の方法において、カラー(22)が、該カラーがそれ自体(22)と円板(14)の間にて保護材料(20)を挟持するように保護材料(20)上に堆積されることを特徴とする、方法。
- 請求項1ないし10の何れかの項に記載の方法において、カラー(22)が、ブレード短柱(16)上に直接、堆積されることを特徴とする、方法。
- 請求項1ないし11の何れかの項に記載の方法において、線状摩擦溶接過程が、円板(14)に対し接線方向にブレード(12)を揺動させるステップを含むことを特徴とする、方法。
- 請求項1ないし12の何れかの項に記載の方法において、カラー(22)が、機械加工により除去されることを特徴とする、方法。
- 請求項13に記載の方法において、形成されるブレードが、当初のブレード(12)と実質的に同一の形状を有することを特徴とする、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0412775.9A GB0412775D0 (en) | 2004-06-09 | 2004-06-09 | Method of replacing damaged aerofoil |
GB0412775.9 | 2004-06-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005351272A JP2005351272A (ja) | 2005-12-22 |
JP4707465B2 true JP4707465B2 (ja) | 2011-06-22 |
Family
ID=32696858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005162142A Active JP4707465B2 (ja) | 2004-06-09 | 2005-06-02 | 損傷した翼型を交換する方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8006380B2 (ja) |
EP (1) | EP1604770B1 (ja) |
JP (1) | JP4707465B2 (ja) |
AT (1) | ATE539837T1 (ja) |
ES (1) | ES2375196T3 (ja) |
GB (1) | GB0412775D0 (ja) |
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-
2004
- 2004-06-09 GB GBGB0412775.9A patent/GB0412775D0/en not_active Ceased
-
2005
- 2005-05-10 ES ES05252867T patent/ES2375196T3/es active Active
- 2005-05-10 EP EP05252867A patent/EP1604770B1/en not_active Not-in-force
- 2005-05-10 AT AT05252867T patent/ATE539837T1/de active
- 2005-05-12 US US11/127,099 patent/US8006380B2/en active Active
- 2005-06-02 JP JP2005162142A patent/JP4707465B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07284994A (ja) * | 1994-02-23 | 1995-10-31 | Soc Natl Etud Constr Mot Aviat <Snecma> | 2つのブレード部品を溶接する方法 |
JPH10193141A (ja) * | 1996-12-24 | 1998-07-28 | United Technol Corp <Utc> | リニアフリクション溶接方法 |
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Publication number | Publication date |
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EP1604770B1 (en) | 2012-01-04 |
US8006380B2 (en) | 2011-08-30 |
US20050274010A1 (en) | 2005-12-15 |
ATE539837T1 (de) | 2012-01-15 |
EP1604770A2 (en) | 2005-12-14 |
ES2375196T3 (es) | 2012-02-27 |
GB0412775D0 (en) | 2004-07-07 |
JP2005351272A (ja) | 2005-12-22 |
EP1604770A3 (en) | 2009-04-22 |
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