JPWO2015121936A1 - 鋳鋼部材の補修方法 - Google Patents
鋳鋼部材の補修方法 Download PDFInfo
- Publication number
- JPWO2015121936A1 JPWO2015121936A1 JP2015512422A JP2015512422A JPWO2015121936A1 JP WO2015121936 A1 JPWO2015121936 A1 JP WO2015121936A1 JP 2015512422 A JP2015512422 A JP 2015512422A JP 2015512422 A JP2015512422 A JP 2015512422A JP WO2015121936 A1 JPWO2015121936 A1 JP WO2015121936A1
- Authority
- JP
- Japan
- Prior art keywords
- repair
- cast steel
- steel member
- crack
- repair member
- 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
- 230000008439 repair process Effects 0.000 title claims abstract description 129
- 229910001208 Crucible steel Inorganic materials 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 26
- 230000008646 thermal stress Effects 0.000 claims abstract description 23
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 29
- 238000005520 cutting process Methods 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- -1 for example Chemical compound 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
Images
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
- B23K9/00—Arc welding or cutting
- B23K9/007—Spot arc 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
- B23P6/00—Restoring or reconditioning objects
- B23P6/04—Repairing fractures or cracked metal parts or products, e.g. castings
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23P6/04—Repairing fractures or cracked metal parts or products, e.g. castings
- B23P6/045—Repairing fractures or cracked metal parts or products, e.g. castings of turbine components, e.g. moving or stationary blades, rotors, etc.
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- F01D5/005—Repairing methods or devices
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/06—Cast-iron alloys
-
- 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
- F05D2230/80—Repairing, retrofitting or upgrading methods
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/171—Steel alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
Claims (5)
- 熱応力により鋳鋼部材の表面に発生した亀裂を補修する補修方法であって、
前記鋳鋼部材の表面部の、前記亀裂を含む部分を除去して凹部を形成し、
前記鋳鋼部材より柔らかく、前記鋳鋼部材と溶接可能な金属からなる第1補修部材を前記凹部に嵌め込み、
前記嵌め込んだ第1補修部材と、前記鋳鋼部材とをスポット溶接により接合する
ことを特徴とする鋳鋼部材の補修方法。 - 前記鋳鋼部材より柔らかく、かつ前記鋳鋼部材と溶接可能な金属からなる帯状の第2補修部材を、前記亀裂の長手方向と交叉するように、かつ前記嵌め込んだ第1補修部材の上を跨ぐように溶接する
ことを特徴とする請求項1に記載の鋳鋼部材の補修方法。 - 前記取り付けた第2補修部材と前記鋳鋼部材の本体とをスポット溶接により接合することを特徴とする、請求項2に記載の鋳鋼部材の補修方法。
- 前記第1補修部材及び前記第2補修部材は同一の素材からなることを特徴とする、請求項2又は3に記載の鋳鋼部材の補修方法。
- 前記第1補修部材及び前記第2補修部材は、ニッケルの純度が99.9%以上の金属製の部材であることを特徴とする、請求項4に記載の鋳鋼部材の補修方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/053272 WO2015121936A1 (ja) | 2014-02-13 | 2014-02-13 | 鋳鋼部材の補修方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5996789B2 JP5996789B2 (ja) | 2016-09-21 |
JPWO2015121936A1 true JPWO2015121936A1 (ja) | 2017-03-30 |
Family
ID=53799705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015512422A Expired - Fee Related JP5996789B2 (ja) | 2014-02-13 | 2014-02-13 | 鋳鋼部材の補修方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US9962797B2 (ja) |
EP (1) | EP3106257B1 (ja) |
JP (1) | JP5996789B2 (ja) |
KR (1) | KR20160105502A (ja) |
CN (1) | CN105980101A (ja) |
CA (1) | CA2939466C (ja) |
PH (1) | PH12016501599A1 (ja) |
PL (1) | PL3106257T3 (ja) |
WO (1) | WO2015121936A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6018351B1 (ja) * | 2015-03-04 | 2016-11-02 | 中国電力株式会社 | 鋳鋼部材の補修方法 |
CN105149727B (zh) * | 2015-09-24 | 2017-11-28 | 共享铸钢有限公司 | 一种中碳钢铸件缺陷去除方法 |
EP3208029B1 (en) | 2016-02-17 | 2021-01-27 | General Electric Technology GmbH | Steam turbine inner casing component and repair method therefor |
DE102016204660A1 (de) * | 2016-03-22 | 2017-09-28 | MTU Aero Engines AG | Verfahren zum Herstellen eines Gehäuses einer Strömungsmaschine und Gehäuse einer Strömungsmaschine |
US20180126499A1 (en) * | 2016-11-08 | 2018-05-10 | General Electric Company | Threaded coupon for repair of superalloy part |
CN106583881A (zh) * | 2016-12-13 | 2017-04-26 | 西安铂力特激光成形技术有限公司 | 一种铸铁弧焊修复的方法 |
US20180250762A1 (en) * | 2017-03-06 | 2018-09-06 | General Electric Company | Narrow gap processing |
CN109722632A (zh) * | 2017-10-31 | 2019-05-07 | 陕西南水汽车配件制造有限公司 | 一种铝合金控制臂锻件表面粗晶环控制方法 |
CN112846639A (zh) * | 2020-12-25 | 2021-05-28 | 华电江苏能源有限公司句容发电分公司 | 一种中速磨煤机磨盘钢瓦衬板断裂修复方法 |
CN113500270B (zh) * | 2021-06-30 | 2023-03-07 | 共享铸钢有限公司 | 一种铸钢件表面缺陷的焊接方法 |
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CA969732A (en) * | 1972-05-24 | 1975-06-24 | Egon Evertz | Method for repairing cast iron objects including casting moulds |
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GB9210191D0 (en) * | 1992-05-12 | 1992-06-24 | Turbine Blading Ltd | Turbine blade repair |
US5494539A (en) * | 1993-08-30 | 1996-02-27 | Hitachi, Ltd. | Metal member quality improving method by spot welding |
JP3079902B2 (ja) * | 1994-07-05 | 2000-08-21 | 株式会社日立製作所 | 原子炉炉内構造物の溶接補修方法 |
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-
2014
- 2014-02-13 CA CA2939466A patent/CA2939466C/en active Active
- 2014-02-13 PL PL14882560T patent/PL3106257T3/pl unknown
- 2014-02-13 WO PCT/JP2014/053272 patent/WO2015121936A1/ja active Application Filing
- 2014-02-13 EP EP14882560.7A patent/EP3106257B1/en active Active
- 2014-02-13 KR KR1020167021060A patent/KR20160105502A/ko not_active Application Discontinuation
- 2014-02-13 JP JP2015512422A patent/JP5996789B2/ja not_active Expired - Fee Related
- 2014-02-13 US US15/118,499 patent/US9962797B2/en active Active
- 2014-02-13 CN CN201480075520.7A patent/CN105980101A/zh active Pending
-
2016
- 2016-08-11 PH PH12016501599A patent/PH12016501599A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP5996789B2 (ja) | 2016-09-21 |
PL3106257T3 (pl) | 2018-09-28 |
EP3106257A4 (en) | 2017-03-01 |
WO2015121936A1 (ja) | 2015-08-20 |
US20170182606A1 (en) | 2017-06-29 |
KR20160105502A (ko) | 2016-09-06 |
EP3106257B1 (en) | 2018-04-11 |
EP3106257A1 (en) | 2016-12-21 |
US9962797B2 (en) | 2018-05-08 |
CA2939466A1 (en) | 2015-08-20 |
CN105980101A (zh) | 2016-09-28 |
PH12016501599A1 (en) | 2017-02-06 |
CA2939466C (en) | 2018-08-14 |
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