JP2015094308A - 防食片を備えた蒸気タービン動翼の製造方法 - Google Patents
防食片を備えた蒸気タービン動翼の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 48
- 238000010894 electron beam technology Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 8
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- 238000005304 joining Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 7
- 229910001069 Ti alloy Inorganic materials 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
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- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
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- 238000005457 optimization Methods 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 101150059448 cdk7 gene Proteins 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/0053—Seam welding
- B23K15/0066—Seam welding with backing means disposed under the seams
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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
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/0053—Seam welding
- B23K15/0073—Seam welding with interposition of particular material to facilitate connecting the parts, e.g. using a filler
-
- 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
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/0093—Welding characterised by the properties of the materials to be welded
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/06—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for positioning the molten material, e.g. confining it to a desired area
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/233—Electron beam welding
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- Engineering & Computer Science (AREA)
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- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Welding Or Cutting Using Electron Beams (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
裏当て材を別に用意することなく、蒸気タービン動翼の前縁に防食片を、溶け落ちを防止して電子ビーム溶接することできる防食片を備えた蒸気タービン動翼の製造方法を提供する。
【解決手段】
蒸気タービン動翼、防食片及びシムの何れかの素材の一部を、電子ビーム溶接時の溶融金属の溶け落ち防止の裏当てとして利用し、電子ビーム溶接後に、機械加工により裏当て部分の除去を含めて最終的な蒸気タービン動翼の形状にする。
【選択図】 図1
Description
図1(d)に示す機械加工では、電子ビーム時の溶接先端を含めて除去される。溶接先端にはブローホールが形成されやすいが、この部分を含めて除去されるので、溶接部の健全性が確保される。
また、本実施例は、未溶接部分がないので、強度に優れる蒸気タービン動翼が得られる。また、翼部1と防食片2の双方の開先形状が直線状となるので、開先形状の形成が容易であるという効果も得られる。
本実施例では、電子ビーム出口側である開先裏面に設けられる溶け落ち防止機構として翼部1の素材の一部を利用している。本実施例では、翼部1の素材における防食片2との接合部がL字型に形成されている。翼部1のL字型の突出し部(台座)にシム3、防食片2を取り付ける。このL字型の突出し部が、溶け落ち防止機構の役割を果たす。この他、実施例1と同様であり、電子ビーム溶接後、翼部1のL字型突き出し部の除去を含めて、目標の動翼形状となるように機械加工が施工される。
本実施例においても基本的に実施例1と同様な効果が得られる。
本実施例では、電子ビーム出口側である開先裏面に設けられる溶け落ち防止機構として防食片2の素材の一部を利用している。本実施例では、防食片2の素材における翼部1との接合部がL字型に形成されている。翼部1に、シム3、L字型の突出し部(台座)を有する防食片2を取り付ける。このL字型の突出し部が、溶け落ち防止機構の役割を果たす。この他、実施例1と同様であり、電子ビーム溶接後、防食片2のL字型突き出し部の除去を含めて、目標の動翼形状となるように機械加工が施工される。
本実施例においても基本的に実施例1と同様な効果が得られる。
2 防食片
3 シム
Claims (4)
- タービン動翼の先端部の前縁側に防食片を電子ビーム溶接により接続する防食片を備えた蒸気タービン動翼の製造方法であって、
前記タービン動翼、前記防食片、電子ビーム溶接時に前記タービン動翼と前記防食片の間に設置されるシムの何れかの素材の一部を、電子ビーム溶接時の溶融金属の溶け落ち防止の裏当てとして利用し、
電子ビーム溶接後に、機械加工により前記裏当て部分の除去を含めて最終的な蒸気タービン動翼の形状にすることを特徴とする防食片を備えた蒸気タービン動翼の製造方法。 - 請求項1に記載の防食片を備えた蒸気タービン動翼の製造方法において、
前記裏当てとして前記シムの素材の一部を利用することを特徴とする防食片を備えた蒸気タービン動翼の製造方法。 - 請求項1に記載の防食片を備えた蒸気タービン動翼の製造方法において、
前記裏当てとして前記タービン動翼の素材の一部を利用することを特徴とする防食片を備えた蒸気タービン動翼の製造方法。 - 請求項1に記載の防食片を備えた蒸気タービン動翼の製造方法において、
前記裏当てとして前記防食片の素材の一部を利用することを特徴とする防食片を備えた蒸気タービン動翼の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013234681A JP6178703B2 (ja) | 2013-11-13 | 2013-11-13 | 防食片を備えた蒸気タービン動翼の製造方法 |
US14/539,591 US20160158875A1 (en) | 2013-11-13 | 2014-11-12 | Fabrication Method of Steam Turbine Blade Equipped with Erosion Shield |
CN201410641282.3A CN104625388B (zh) | 2013-11-13 | 2014-11-13 | 具备防蚀片的蒸汽涡轮动叶片的制造方法 |
EP14192971.1A EP2883651B1 (en) | 2013-11-13 | 2014-11-13 | Method of fabricating a steam turbine blade equipped with erosion shield with electron beam welding using a shim |
Applications Claiming Priority (1)
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JP2013234681A JP6178703B2 (ja) | 2013-11-13 | 2013-11-13 | 防食片を備えた蒸気タービン動翼の製造方法 |
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Publication Number | Publication Date |
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JP2015094308A true JP2015094308A (ja) | 2015-05-18 |
JP6178703B2 JP6178703B2 (ja) | 2017-08-09 |
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JP2013234681A Active JP6178703B2 (ja) | 2013-11-13 | 2013-11-13 | 防食片を備えた蒸気タービン動翼の製造方法 |
Country Status (4)
Country | Link |
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US (1) | US20160158875A1 (ja) |
EP (1) | EP2883651B1 (ja) |
JP (1) | JP6178703B2 (ja) |
CN (1) | CN104625388B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6100037B2 (ja) * | 2013-03-13 | 2017-03-22 | 三菱重工業株式会社 | 蒸気タービン翼製造方法 |
US10258837B2 (en) | 2014-02-18 | 2019-04-16 | Karsten Manufacturing Corporation | Method of forming golf club head assembly |
CN107405517B (zh) * | 2015-02-17 | 2019-05-07 | 卡斯腾制造公司 | 形成高尔夫球杆头组件的方法 |
CN113399795A (zh) * | 2021-07-14 | 2021-09-17 | 哈尔滨汽轮机厂有限责任公司 | 一种无需组焊静叶栅的汽轮机自带冠隔板装焊方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5431050A (en) * | 1977-08-11 | 1979-03-07 | Toshiba Corp | Corrosion prevention shielded welding method for turbine blade |
US5033938A (en) * | 1989-03-04 | 1991-07-23 | Refurbished Turbine Components Limited | Repaired turbine blade and method of repairing |
JPH0523920A (ja) * | 1991-07-19 | 1993-02-02 | Hitachi Ltd | タービン動翼の防食片接合方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3874736A (en) * | 1972-12-27 | 1975-04-01 | Martin Marietta Aluminum | Welded vehicle wheel and method of producing same |
US4156123A (en) * | 1977-07-22 | 1979-05-22 | Smith International, Inc. | Method for making rock bits |
US4818629A (en) * | 1985-08-26 | 1989-04-04 | Fansteel Inc. | Joint construction for lined equipment |
JPS62250124A (ja) | 1986-04-23 | 1987-10-31 | Hitachi Ltd | Ti合金製タ−ビン動翼 |
JPS6397802A (ja) | 1986-10-13 | 1988-04-28 | Hitachi Ltd | Ti合金製タ−ビン動翼 |
JPH07243302A (ja) * | 1994-03-03 | 1995-09-19 | Hitachi Ltd | 高エネルギビームによる送風機動翼の溶接継手 |
JPH09225652A (ja) * | 1996-02-20 | 1997-09-02 | Hitachi Ltd | 電子ビーム溶接継手 |
JP3481501B2 (ja) * | 1999-05-28 | 2003-12-22 | 株式会社日立製作所 | 構造体およびその製作方法 |
US6568077B1 (en) * | 2000-05-11 | 2003-05-27 | General Electric Company | Blisk weld repair |
US6483069B2 (en) * | 2000-10-02 | 2002-11-19 | The Boeing Company | Joining of structural members by welding |
US6596411B2 (en) * | 2001-12-06 | 2003-07-22 | General Electric Company | High energy beam welding of single-crystal superalloys and assemblies formed thereby |
US7858897B2 (en) * | 2006-10-27 | 2010-12-28 | United Technologies Corporation | Insert weld repair |
US7591634B2 (en) * | 2006-11-21 | 2009-09-22 | General Electric Company | Stator shim welding |
-
2013
- 2013-11-13 JP JP2013234681A patent/JP6178703B2/ja active Active
-
2014
- 2014-11-12 US US14/539,591 patent/US20160158875A1/en not_active Abandoned
- 2014-11-13 EP EP14192971.1A patent/EP2883651B1/en active Active
- 2014-11-13 CN CN201410641282.3A patent/CN104625388B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5431050A (en) * | 1977-08-11 | 1979-03-07 | Toshiba Corp | Corrosion prevention shielded welding method for turbine blade |
US5033938A (en) * | 1989-03-04 | 1991-07-23 | Refurbished Turbine Components Limited | Repaired turbine blade and method of repairing |
JPH0523920A (ja) * | 1991-07-19 | 1993-02-02 | Hitachi Ltd | タービン動翼の防食片接合方法 |
Also Published As
Publication number | Publication date |
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JP6178703B2 (ja) | 2017-08-09 |
US20160158875A1 (en) | 2016-06-09 |
CN104625388A (zh) | 2015-05-20 |
EP2883651B1 (en) | 2017-09-13 |
EP2883651A1 (en) | 2015-06-17 |
CN104625388B (zh) | 2017-12-15 |
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