CH624037A5 - Process for the electrical arc welding of the blades to the disk or to the counterdisk of rotors for rotary machines - Google Patents
Process for the electrical arc welding of the blades to the disk or to the counterdisk of rotors for rotary machines Download PDFInfo
- Publication number
- CH624037A5 CH624037A5 CH728778A CH728778A CH624037A5 CH 624037 A5 CH624037 A5 CH 624037A5 CH 728778 A CH728778 A CH 728778A CH 728778 A CH728778 A CH 728778A CH 624037 A5 CH624037 A5 CH 624037A5
- Authority
- CH
- Switzerland
- Prior art keywords
- disk
- blades
- welding
- counter
- arc welding
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract description 40
- 238000003466 welding Methods 0.000 title abstract description 32
- 239000000463 material Substances 0.000 abstract description 12
- 239000011261 inert gas Substances 0.000 abstract description 7
- 239000000945 filler Substances 0.000 description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 8
- 229910052721 tungsten Inorganic materials 0.000 description 8
- 239000010937 tungsten Substances 0.000 description 8
- 238000004873 anchoring Methods 0.000 description 7
- 238000010891 electric arc Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000011324 bead Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000003701 mechanical milling Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 206010003830 Automatism Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
-
- 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
- F01D5/3061—Fixing blades to rotors; Blade roots ; Blade spacers by welding, brazing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19201/78A IT1091876B (it) | 1978-01-12 | 1978-01-12 | Metodo per la saldatura elettrica ad arco delle pale al disco o al controdisco di giranti pe macchine rotative |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH624037A5 true CH624037A5 (en) | 1981-07-15 |
Family
ID=11155743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH728778A CH624037A5 (en) | 1978-01-12 | 1978-07-04 | Process for the electrical arc welding of the blades to the disk or to the counterdisk of rotors for rotary machines |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4302657A (xx) |
| JP (1) | JPS5497547A (xx) |
| BE (1) | BE869608A (xx) |
| CH (1) | CH624037A5 (xx) |
| DE (1) | DE2830037C2 (xx) |
| ES (1) | ES477027A1 (xx) |
| FR (1) | FR2414381A1 (xx) |
| GB (1) | GB2013123B (xx) |
| IT (1) | IT1091876B (xx) |
| NL (1) | NL186948C (xx) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362919A (en) * | 1981-02-18 | 1982-12-07 | Transamerica Delaval, Inc. | Method of welding using a covered tungsten electrode |
| JPS57149090A (en) * | 1981-03-10 | 1982-09-14 | Kawasaki Heavy Ind Ltd | Production for t-shaped welded joint having minute fillet |
| JPS5910791A (ja) * | 1982-07-08 | 1984-01-20 | Toshiba Corp | 密閉形圧縮機の製造方法 |
| JPH0320059Y2 (xx) * | 1985-09-03 | 1991-04-30 | ||
| JPS62187569A (ja) * | 1986-02-13 | 1987-08-15 | Mitsubishi Heavy Ind Ltd | Ｔ継手溶接開先 |
| JPH04219090A (ja) * | 1990-04-19 | 1992-08-10 | Nec Corp | 監視用ｔｖカメラ装置 |
| DE4402493A1 (de) * | 1994-01-28 | 1995-08-03 | Klein Schanzlin & Becker Ag | Laufrad |
| US6927361B2 (en) * | 2003-09-04 | 2005-08-09 | Thomas Joseph Kelly | Surface oxide weld penetration enhancement method and article |
| EP1785590A1 (de) * | 2005-11-10 | 2007-05-16 | Sulzer Markets and Technology AG | Werkstück sowie Schweissverfahren zur Herstellung eines Werkstücks |
| JP4458109B2 (ja) * | 2007-03-27 | 2010-04-28 | 株式会社日立プラントテクノロジー | 溶接溝封止構造 |
| JP5061836B2 (ja) | 2007-10-10 | 2012-10-31 | 株式会社日立プラントテクノロジー | 羽根車の溶接方法及び羽根車 |
| JP2009255172A (ja) * | 2008-03-26 | 2009-11-05 | Ebara Corp | Ｔ型継手の製造方法 |
| US9101997B2 (en) * | 2008-09-11 | 2015-08-11 | Siemens Energy, Inc | Asymmetric heat sink welding using a penetration enhancing compound |
| JP5131237B2 (ja) * | 2009-03-27 | 2013-01-30 | 株式会社日立プラントテクノロジー | 羽根車およびその製造方法 |
| US10682715B2 (en) | 2015-05-28 | 2020-06-16 | General Electric Company | Method for material recovery in electroerosion machining |
| US11161190B2 (en) | 2015-05-28 | 2021-11-02 | General Electric Company | Electrode for electroerosion machining system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2031138A (en) * | 1934-03-17 | 1936-02-18 | Taylor Edward Hall | Method of welding |
| DE758550C (de) * | 1940-07-04 | 1953-12-07 | Versuchsanstalt Fuer Luftfahrt | Verfahren zur Herstellung einer Schweissverbindung an unzugaenglichen Kehlnaehten eines T-artigen Stosses mittels einer daraufgelegten ummantelten Elektrode |
| US3012130A (en) * | 1960-04-18 | 1961-12-05 | North American Aviation Inc | Method of joinder |
| US3204083A (en) * | 1963-03-25 | 1965-08-31 | Lockheed Aircraft Corp | Low heat plug weld method and apparatus |
| US3209122A (en) * | 1963-04-19 | 1965-09-28 | Westinghouse Electric Corp | Method of arc-welding |
| GB1028452A (en) * | 1964-03-09 | 1966-05-04 | Pulsometer Pumps Ltd | Rotors for pumps or turbines |
| US3688080A (en) * | 1969-09-08 | 1972-08-29 | Andrew John Cartwright | Welding |
| FR2227737A5 (xx) * | 1973-04-25 | 1974-11-22 | Gastineau Paul | |
| DE2503046A1 (de) * | 1974-01-29 | 1975-08-07 | Kobe Steel Ltd | Verfahren zum zusammenschweissen von dicken platten aus aluminium und aluminiumlegierungen |
| JPS5194439A (ja) * | 1975-02-17 | 1976-08-19 | Rannayosetsuhoho |
-
1978
- 1978-01-12 IT IT19201/78A patent/IT1091876B/it active
- 1978-07-04 CH CH728778A patent/CH624037A5/it not_active IP Right Cessation
- 1978-07-07 DE DE2830037A patent/DE2830037C2/de not_active Expired
- 1978-07-11 JP JP8363678A patent/JPS5497547A/ja active Granted
- 1978-07-14 GB GB7829908A patent/GB2013123B/en not_active Expired
- 1978-07-21 NL NLAANVRAGE7807817,A patent/NL186948C/xx not_active IP Right Cessation
- 1978-08-02 FR FR7822856A patent/FR2414381A1/fr active Granted
- 1978-08-08 BE BE78189773A patent/BE869608A/xx not_active IP Right Cessation
-
1979
- 1979-01-09 ES ES477027A patent/ES477027A1/es not_active Expired
-
1980
- 1980-06-12 US US06/158,866 patent/US4302657A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS637873B2 (xx) | 1988-02-18 |
| FR2414381A1 (fr) | 1979-08-10 |
| IT1091876B (it) | 1985-07-06 |
| NL186948C (nl) | 1991-04-16 |
| GB2013123B (en) | 1982-05-12 |
| FR2414381B1 (xx) | 1982-11-26 |
| DE2830037A1 (de) | 1979-07-19 |
| ES477027A1 (es) | 1979-10-16 |
| GB2013123A (en) | 1979-08-08 |
| NL186948B (nl) | 1990-11-16 |
| IT7819201A0 (it) | 1978-01-12 |
| BE869608A (fr) | 1979-02-08 |
| US4302657A (en) | 1981-11-24 |
| DE2830037C2 (de) | 1984-04-19 |
| JPS5497547A (en) | 1979-08-01 |
| NL7807817A (nl) | 1979-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |