KR100907128B1 - 도브테일 핀 제거 방법 - Google Patents
도브테일 핀 제거 방법 Download PDFInfo
- Publication number
- KR100907128B1 KR100907128B1 KR1020020043470A KR20020043470A KR100907128B1 KR 100907128 B1 KR100907128 B1 KR 100907128B1 KR 1020020043470 A KR1020020043470 A KR 1020020043470A KR 20020043470 A KR20020043470 A KR 20020043470A KR 100907128 B1 KR100907128 B1 KR 100907128B1
- Authority
- KR
- South Korea
- Prior art keywords
- pin
- hole
- dovetail
- diameter
- bucket
- Prior art date
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Classifications
-
- 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
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims (5)
- 버킷(12)과 로터 휠(14)상의 대체로 반경 방향으로 지향되는 핑거(18, 22)가 서로 중첩되고, 축방향으로 지향되는 복수의 도브테일 핀(16)이 상기 버킷을 로터에 고정시키는, 터빈 버킷-로터 핑거 도브테일 배열체로부터 도브테일 핀(16)을 제거하는 방법에 있어서,a) 상기 핀(16)에 제 1 직경의 제 1 구멍(28)을 천공하여, 상기 핀의 축방향 길이 치수의 1/3 까지 연장시키는 단계와,b) 상기 제 1 구멍으로부터 연속해서 상기 제 1 직경보다 작은 제 2 직경의 제 2 구멍(32)을 천공하여, 상기 핀의 축방향 길이 치수의 1/2까지 연장시키는 단계와,c) 상기 제 2 구멍으로부터 연속해서 제 3 구멍(36)을 천공하여, 상기 핀의 축방향 길이의 3/4까지 연장시키는 단계와,d) 상기 핀(16)을 제거하는 단계를 포함하는도브테일 핀 제거 방법.
- 제 1 항에 있어서,상기 단계 a), 단계 b) 및 단계 c)는 EDM 천공법을 이용하여 실행되는도브테일 핀 제거 방법.
- 제 2 항에 있어서,상기 핀(16)은 1.27㎝ 내지 1.59㎝의 직경을 가지며, 상기 제 1 구멍(28)은 1.02㎝의 직경을 갖는도브테일 핀 제거 방법.
- 제 3 항에 있어서,상기 제 2 구멍(32)은 0.66㎝의 직경을 갖는도브테일 핀 제거 방법.
- 제 4 항에 있어서,상기 제 3 구멍(36)은 상기 제 2 구멍과 실질적으로 동일한 직경을 갖는도브테일 핀 제거 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020020043470A KR100907128B1 (ko) | 2002-07-24 | 2002-07-24 | 도브테일 핀 제거 방법 |
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KR1020020043470A KR100907128B1 (ko) | 2002-07-24 | 2002-07-24 | 도브테일 핀 제거 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040009502A KR20040009502A (ko) | 2004-01-31 |
KR100907128B1 true KR100907128B1 (ko) | 2009-07-09 |
Family
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Family Applications (1)
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KR1020020043470A KR100907128B1 (ko) | 2002-07-24 | 2002-07-24 | 도브테일 핀 제거 방법 |
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KR (1) | KR100907128B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104067000A (zh) * | 2012-01-31 | 2014-09-24 | 斯奈克玛 | 修复支撑旁路式发动机风机的转子上磨损痕迹的方法 |
CN104067000B (zh) * | 2012-01-31 | 2016-11-30 | 斯奈克玛 | 修复支撑旁路式发动机风机的转子上磨损痕迹的方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005074055A1 (en) | 2004-01-28 | 2005-08-11 | Lg Chem, Ltd. | Secondary battery of assemble-type structure |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451959A (en) * | 1980-12-29 | 1984-06-05 | Elliott Turbomachinery Company, Inc. | Methods for securing a rotor blade within a rotor assembly and removing a rotor blade therefrom |
US5022136A (en) * | 1988-08-10 | 1991-06-11 | Gec Alsthom Sa | Method and a device for removing an elongate shrink-fitted core made of a tough material from a hole |
US5025556A (en) * | 1990-07-19 | 1991-06-25 | The United States Of America As Represented By The Secretary Of The Navy | Engine block cylinder head bolt hole repair |
KR910005576Y1 (ko) * | 1989-05-24 | 1991-07-27 | 삼성항공산업 주식회사 | 카메라렌즈 캡의 개폐장치 |
US5134774A (en) * | 1991-03-11 | 1992-08-04 | Arc Plan, Inc. | Anchoring method for hydraulic turbine repair |
US5664328A (en) * | 1994-02-28 | 1997-09-09 | Westinghouse Electric Corporation | Tool for removing a metallic plug from a tube |
-
2002
- 2002-07-24 KR KR1020020043470A patent/KR100907128B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451959A (en) * | 1980-12-29 | 1984-06-05 | Elliott Turbomachinery Company, Inc. | Methods for securing a rotor blade within a rotor assembly and removing a rotor blade therefrom |
US5022136A (en) * | 1988-08-10 | 1991-06-11 | Gec Alsthom Sa | Method and a device for removing an elongate shrink-fitted core made of a tough material from a hole |
KR910005576Y1 (ko) * | 1989-05-24 | 1991-07-27 | 삼성항공산업 주식회사 | 카메라렌즈 캡의 개폐장치 |
US5025556A (en) * | 1990-07-19 | 1991-06-25 | The United States Of America As Represented By The Secretary Of The Navy | Engine block cylinder head bolt hole repair |
US5134774A (en) * | 1991-03-11 | 1992-08-04 | Arc Plan, Inc. | Anchoring method for hydraulic turbine repair |
US5664328A (en) * | 1994-02-28 | 1997-09-09 | Westinghouse Electric Corporation | Tool for removing a metallic plug from a tube |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104067000A (zh) * | 2012-01-31 | 2014-09-24 | 斯奈克玛 | 修复支撑旁路式发动机风机的转子上磨损痕迹的方法 |
CN104067000B (zh) * | 2012-01-31 | 2016-11-30 | 斯奈克玛 | 修复支撑旁路式发动机风机的转子上磨损痕迹的方法 |
Also Published As
Publication number | Publication date |
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KR20040009502A (ko) | 2004-01-31 |
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