IT7821349A0 - Perfezionamenti nella saldatura al plasma. - Google Patents

Perfezionamenti nella saldatura al plasma.

Info

Publication number
IT7821349A0
IT7821349A0 IT7821349A IT2134978A IT7821349A0 IT 7821349 A0 IT7821349 A0 IT 7821349A0 IT 7821349 A IT7821349 A IT 7821349A IT 2134978 A IT2134978 A IT 2134978A IT 7821349 A0 IT7821349 A0 IT 7821349A0
Authority
IT
Italy
Prior art keywords
plasma welding
plasma
welding
Prior art date
Application number
IT7821349A
Other languages
English (en)
Other versions
IT1108707B (it
Original Assignee
Rolls Royce
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rolls Royce filed Critical Rolls Royce
Publication of IT7821349A0 publication Critical patent/IT7821349A0/it
Application granted granted Critical
Publication of IT1108707B publication Critical patent/IT1108707B/it

Links

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
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/02—Plasma welding
    • 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
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006—Power supply
    • B23K9/1012—Power supply characterised by parts of the process
    • B23K9/1037—Means preventing crater forming at the extremity of the seam

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
IT21349/78A 1977-03-18 1978-03-17 Perfezionamenti nella saldatura al plasma IT1108707B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11642/77A GB1572847A (en) 1977-03-18 1977-03-18 Plasma arc welding

Publications (2)

Publication Number Publication Date
IT7821349A0 true IT7821349A0 (it) 1978-03-17
IT1108707B IT1108707B (it) 1985-12-09

Family

ID=9990027

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21349/78A IT1108707B (it) 1977-03-18 1978-03-17 Perfezionamenti nella saldatura al plasma

Country Status (5)

Country Link
US (1) US4195216A (it)
DE (1) DE2811643A1 (it)
FR (1) FR2383746A2 (it)
GB (1) GB1572847A (it)
IT (1) IT1108707B (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT349577B (de) * 1976-09-21 1979-04-10 Reeh Holger Schrittgesteuertes gleichstrom-lichtbogen- schweissgeraet
GB1572847A (en) * 1977-03-18 1980-08-06 Rolls Royce Plasma arc welding
JPS56151170A (en) * 1980-04-23 1981-11-24 Kubota Ltd Method and device for plasma welding
DE3405242A1 (de) * 1984-02-15 1985-09-05 Bayer Ag, 5090 Leverkusen Verfahren zur erzeugung porenfreier plasmageschweisster rundnaehte
FR2574614B1 (fr) * 1984-12-07 1987-01-30 Soudure Autogene Francaise Procede et dispositif de formation d'un arc plasma
FR2578138B1 (fr) * 1985-02-22 1987-03-27 Soudure Autogene Francaise Systeme de soudage ou de coupage plasma muni d'une temporisation
US4692584A (en) * 1985-11-29 1987-09-08 Caneer Jr Clifford Gas control system for a plasma arc welding apparatus
US4775774A (en) * 1985-11-29 1988-10-04 Caneer Jr Clifford Plasma arc welding apparatus
US4918282A (en) * 1986-01-10 1990-04-17 Plasma Energy Corporation Method and apparatus for heating molten steel utilizing a plasma arc torch
US4734551A (en) * 1986-01-10 1988-03-29 Plasma Energy Corporation Method and apparatus for heating molten steel utilizing a plasma arc torch
JPS6349367A (ja) * 1986-08-13 1988-03-02 Hitachi Ltd 配管用プラズマ自動溶接方法、及びその装置
CA1306513C (fr) * 1987-08-18 1992-08-18 Eric Verna Procede pour terminer une soudure fermee au plasma d'arc avec trou traversant
US5070227A (en) * 1990-04-24 1991-12-03 Hypertherm, Inc. Proceses and apparatus for reducing electrode wear in a plasma arc torch
US5120930A (en) * 1988-06-07 1992-06-09 Hypertherm, Inc. Plasma arc torch with improved nozzle shield and step flow
US5396043A (en) * 1988-06-07 1995-03-07 Hypertherm, Inc. Plasma arc cutting process and apparatus using an oxygen-rich gas shield
US5166494A (en) * 1990-04-24 1992-11-24 Hypertherm, Inc. Process and apparatus for reducing electrode wear in a plasma arc torch
DE4204661C1 (de) * 1992-02-17 1993-06-24 Weltron Steuerungs Schweissanlagenbau Verfahren und Vorrichtung zum Unterpulver-Steppnahtschweißen
SE511463C2 (sv) * 1997-03-03 1999-10-04 Esab Ab Förfarande vid bågsvetsning med avsmältande elektrod
US5893986A (en) * 1997-04-11 1999-04-13 The Esab Group, Inc. Method of controlling a plasma arc cutting torch
AUPP005297A0 (en) * 1997-10-29 1997-11-20 Commonwealth Scientific And Industrial Research Organisation Process for keyhole welding
US6677551B2 (en) * 1998-10-23 2004-01-13 Innerlogic, Inc. Process for operating a plasma arc torch
US6326583B1 (en) 2000-03-31 2001-12-04 Innerlogic, Inc. Gas control system for a plasma arc torch
US6498317B2 (en) 1998-10-23 2002-12-24 Innerlogic, Inc. Process for operating a plasma arc torch
US6163009A (en) * 1998-10-23 2000-12-19 Innerlogic, Inc. Process for operating a plasma arc torch
US6772040B1 (en) * 2000-04-10 2004-08-03 Hypertherm, Inc. Centralized control architecture for a plasma arc system
US20060163220A1 (en) 2005-01-27 2006-07-27 Brandt Aaron D Automatic gas control for a plasma arc torch
US8253062B2 (en) * 2005-06-10 2012-08-28 Chrysler Group Llc System and methodology for zero-gap welding
JP5005332B2 (ja) * 2006-12-20 2012-08-22 株式会社ダイヘン 消耗電極アーク溶接のアークスタート制御方法
JP5141826B2 (ja) * 2009-08-28 2013-02-13 パナソニック株式会社 アーク溶接方法およびアーク溶接装置
CN101670496B (zh) * 2009-10-16 2012-10-03 无锡市锡山南方焊接设备有限公司 共用一套升降机构的数控火焰、等离子切割机
US9050676B2 (en) * 2012-03-02 2015-06-09 Lincoln Global, Inc. Apparatus and method for starting arc welding process
EP3459668B1 (de) * 2017-09-25 2023-07-12 Siegfried Plasch Schutzgasschweissverfahren zum stichlochschweissen
CN111633303B (zh) * 2020-04-30 2022-02-01 北京卫星制造厂有限公司 一种铝合金变极性等离子弧穿孔焊接起收弧质量控制方法及系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152785A (en) * 1937-06-09 1939-04-04 Westinghouse Electric & Mfg Co Automatic welding control
US2766361A (en) * 1953-03-13 1956-10-09 Lincoln Electric Co Control system for arc-welding apparatus
US3662147A (en) * 1970-03-26 1972-05-09 Ogden Eng Corp Welding gun trigger control circuit
US3956610A (en) * 1970-10-13 1976-05-11 Nippon Steel Corporation Method for welding iron steel and nonferrous alloy
US4023006A (en) * 1971-11-06 1977-05-10 Rolls-Royce (1971) Limited Plasma arc welding method
DE2538715C3 (de) * 1975-08-30 1979-08-16 Daimler-Benz Ag, 7000 Stuttgart Verfahren zur Endkrater-Füllung beim maschinellen Lichtbogenschweißen
GB1572847A (en) * 1977-03-18 1980-08-06 Rolls Royce Plasma arc welding

Also Published As

Publication number Publication date
IT1108707B (it) 1985-12-09
GB1572847A (en) 1980-08-06
US4195216A (en) 1980-03-25
FR2383746A2 (fr) 1978-10-13
DE2811643A1 (de) 1978-09-21

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