IT1085210B - Metodo per eliminare magentismo residuo in un pezzo grezzo di tubo per tubo in acciaio saldato con linea di saldatura longitudinale dall'interno - Google Patents
Metodo per eliminare magentismo residuo in un pezzo grezzo di tubo per tubo in acciaio saldato con linea di saldatura longitudinale dall'internoInfo
- Publication number
- IT1085210B IT1085210B IT21545/77A IT2154577A IT1085210B IT 1085210 B IT1085210 B IT 1085210B IT 21545/77 A IT21545/77 A IT 21545/77A IT 2154577 A IT2154577 A IT 2154577A IT 1085210 B IT1085210 B IT 1085210B
- Authority
- IT
- Italy
- Prior art keywords
- tube
- magentism
- welding line
- welded steel
- eliminate residual
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
- B23K9/0253—Seam welding; Backing means; Inserts for rectilinear seams for the longitudinal seam of tubes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3782576A JPS52120936A (en) | 1976-04-06 | 1976-04-06 | Method of erasing residual magnetism in welding |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1085210B true IT1085210B (it) | 1985-05-28 |
Family
ID=12508288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21545/77A IT1085210B (it) | 1976-04-06 | 1977-03-22 | Metodo per eliminare magentismo residuo in un pezzo grezzo di tubo per tubo in acciaio saldato con linea di saldatura longitudinale dall'interno |
Country Status (7)
Country | Link |
---|---|
US (1) | US4107503A (it) |
JP (1) | JPS52120936A (it) |
CA (1) | CA1083228A (it) |
DE (1) | DE2713309C3 (it) |
FR (1) | FR2347148A1 (it) |
GB (1) | GB1552902A (it) |
IT (1) | IT1085210B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5478343A (en) * | 1977-12-06 | 1979-06-22 | Nippon Kokan Kk <Nkk> | Dc arc welder |
US4278868A (en) * | 1977-12-19 | 1981-07-14 | Thermatool Corp. | Methods and apparatus for heating metal parts with magnetically driven travelling electric arc |
US4341938A (en) * | 1979-03-28 | 1982-07-27 | Nippon Kokan Kabushiki Kaisha | Method and apparatus for seam-welding steel pipes |
JPS59141704U (ja) * | 1983-03-11 | 1984-09-21 | 株式会社クボタ | 尾輪のフロ−テイング装置 |
US5345058A (en) * | 1992-08-05 | 1994-09-06 | Newport News Shipbuilding And Dry Dock Company | Magnetic field negating system for weldments |
US20060288569A1 (en) * | 2005-06-23 | 2006-12-28 | Carlson J D | Electronic circuit board assembly fixturing device and method of making electronic circuit board assemblies |
MX2010010191A (es) * | 2008-03-28 | 2010-10-08 | Shawcor Ltd | Sistema y metodo de desmagnetizacion. |
DE102009020146B3 (de) * | 2009-04-08 | 2010-06-10 | V & M Deutschland Gmbh | Verfahren und Vorrichtung zum Verbinden der Enden von Rohren aus Stahl mittels Orbitalschweißen in Hybridtechnik |
EP2974820B1 (de) * | 2014-07-17 | 2017-04-12 | Ewm Ag | Lichtbogenschweißgerät, System und Verfahren zum Abmagnetisieren eines Metallrohres |
CN106112203B (zh) * | 2016-04-05 | 2018-06-01 | 福建福船一帆新能源装备制造有限公司 | 一种厚板管状结构纵缝焊接控制裂纹的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1840330A (en) * | 1929-08-26 | 1932-01-12 | Smith Corp A O | Apparatus for electric arc welding pipe |
US1947077A (en) * | 1930-04-30 | 1934-02-13 | Lincoln Electric Co | Arc welding |
DE629742C (de) * | 1932-07-02 | 1936-05-09 | Machinerieeen En App N Fabriek | Verfahren zur Herstellung lichtbogengeschweisster Naehte |
US2152194A (en) * | 1936-04-17 | 1939-03-28 | Union Carbide & Carbon Res Lab | Electric welding |
US2564396A (en) * | 1949-11-01 | 1951-08-14 | Republic Steel Corp | Seam welding procedure for pipe manufacture |
US2677802A (en) * | 1949-11-25 | 1954-05-04 | Emmett M Irwin | Method and apparatus for demagnetizing material |
SU149840A1 (ru) * | 1961-11-24 | 1961-11-30 | Н.М. Будник | Способ электродуговой сварки стальных труб |
US3215813A (en) * | 1963-03-27 | 1965-11-02 | William B Stoneberger | Demagnetization for arc welding |
JPS5131784B2 (it) * | 1973-05-25 | 1976-09-08 | ||
JPS5134840A (ja) * | 1974-09-19 | 1976-03-24 | Mitsubishi Electric Corp | Aakuyosetsusochi |
-
1976
- 1976-04-06 JP JP3782576A patent/JPS52120936A/ja active Granted
-
1977
- 1977-03-10 US US05/776,235 patent/US4107503A/en not_active Expired - Lifetime
- 1977-03-22 IT IT21545/77A patent/IT1085210B/it active
- 1977-03-23 CA CA274,581A patent/CA1083228A/en not_active Expired
- 1977-03-25 DE DE2713309A patent/DE2713309C3/de not_active Expired
- 1977-04-04 GB GB14079/77A patent/GB1552902A/en not_active Expired
- 1977-04-06 FR FR7710454A patent/FR2347148A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5537346B2 (it) | 1980-09-27 |
DE2713309C3 (de) | 1984-08-23 |
GB1552902A (en) | 1979-09-19 |
FR2347148A1 (fr) | 1977-11-04 |
DE2713309B2 (de) | 1981-06-04 |
CA1083228A (en) | 1980-08-05 |
FR2347148B1 (it) | 1981-01-16 |
DE2713309A1 (de) | 1977-10-13 |
JPS52120936A (en) | 1977-10-11 |
US4107503A (en) | 1978-08-15 |
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