IT966871B - IMPROVEMENT IN PLASMA ELECTRIC WELDING EQUIPMENT - Google Patents

IMPROVEMENT IN PLASMA ELECTRIC WELDING EQUIPMENT

Info

Publication number
IT966871B
IT966871B IT5374472A IT5374472A IT966871B IT 966871 B IT966871 B IT 966871B IT 5374472 A IT5374472 A IT 5374472A IT 5374472 A IT5374472 A IT 5374472A IT 966871 B IT966871 B IT 966871B
Authority
IT
Italy
Prior art keywords
improvement
electric welding
welding equipment
plasma electric
plasma
Prior art date
Application number
IT5374472A
Other languages
Italian (it)
Original Assignee
Rolls Royce 1971 Ltd
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 1971 Ltd filed Critical Rolls Royce 1971 Ltd
Application granted granted Critical
Publication of IT966871B publication Critical patent/IT966871B/en

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
    • B23K10/006—Control circuits therefor
    • 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)
  • Arc Welding Control (AREA)
IT5374472A 1971-11-06 1972-10-31 IMPROVEMENT IN PLASMA ELECTRIC WELDING EQUIPMENT IT966871B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5165971A GB1405415A (en) 1971-11-06 1971-11-06 Plasma arc welding

Publications (1)

Publication Number Publication Date
IT966871B true IT966871B (en) 1974-02-20

Family

ID=10460890

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5374472A IT966871B (en) 1971-11-06 1972-10-31 IMPROVEMENT IN PLASMA ELECTRIC WELDING EQUIPMENT

Country Status (4)

Country Link
DE (1) DE2254155A1 (en)
FR (1) FR2158547B1 (en)
GB (1) GB1405415A (en)
IT (1) IT966871B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT962172B (en) * 1972-06-05 1973-12-20 Metco Inc IMPROVEMENT IN PROCEDURES AND DEVICES FOR SPRAYING MATERIALS AT THE PLASMA FLAME
US4133988A (en) * 1975-03-12 1979-01-09 Esibyan Eduard M Method of plasma arc cutting control and a device for realizing same
DE2544539C2 (en) * 1975-10-04 1977-09-01 Messer Griesheim Gmbh, 6000 Frankfurt Method for closing a keyhole in plasma keyhole welding
US4104505A (en) * 1976-10-28 1978-08-01 Eaton Corporation Method of hard surfacing by plasma torch
US4142089A (en) * 1977-03-22 1979-02-27 Canadian Patents And Development Limited Pulsed coaxial thermal plasma sprayer
DE3405242A1 (en) * 1984-02-15 1985-09-05 Bayer Ag, 5090 Leverkusen Method for producing pore-free plasma-welded circumferential seams
AT411443B (en) * 2001-02-16 2004-01-26 Fronius Schweissmasch Prod WELDING MACHINE OR WELDING SYSTEM

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024353A (en) * 1959-07-17 1962-03-06 L & B Welding Equipment Inc Current controllable alternating current relay circuit
US3433927A (en) * 1964-05-21 1969-03-18 Union Carbide Corp Method for establishing and closing an arc weld

Also Published As

Publication number Publication date
FR2158547B1 (en) 1978-12-01
DE2254155A1 (en) 1973-05-10
GB1405415A (en) 1975-09-10
FR2158547A1 (en) 1973-06-15

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