FR2349232A1 - Dispositif pour engendrer des impulsions pour allumage et stabilisation des processus a l'arc electrique - Google Patents

Dispositif pour engendrer des impulsions pour allumage et stabilisation des processus a l'arc electrique

Info

Publication number
FR2349232A1
FR2349232A1 FR7711705A FR7711705A FR2349232A1 FR 2349232 A1 FR2349232 A1 FR 2349232A1 FR 7711705 A FR7711705 A FR 7711705A FR 7711705 A FR7711705 A FR 7711705A FR 2349232 A1 FR2349232 A1 FR 2349232A1
Authority
FR
France
Prior art keywords
ignition
stabilization
electric arc
generating pulses
arc processes
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.)
Pending
Application number
FR7711705A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INST SAVARJAVANE
Original Assignee
INST SAVARJAVANE
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 INST SAVARJAVANE filed Critical INST SAVARJAVANE
Publication of FR2349232A1 publication Critical patent/FR2349232A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
    • 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
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/067—Starting the arc
    • B23K9/0672—Starting the arc without direct contact between electrodes
    • B23K9/0673—Ionisation of the arc gap by means of a tension with a step front (pulses or high frequency tensions)
    • 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
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/073—Stabilising the arc
    • B23K9/0738—Stabilising of the arc by automatic re-ignition means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Arc Welding Control (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
FR7711705A 1976-04-20 1977-04-19 Dispositif pour engendrer des impulsions pour allumage et stabilisation des processus a l'arc electrique Pending FR2349232A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG3295976 1976-04-20

Publications (1)

Publication Number Publication Date
FR2349232A1 true FR2349232A1 (fr) 1977-11-18

Family

ID=3902184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711705A Pending FR2349232A1 (fr) 1976-04-20 1977-04-19 Dispositif pour engendrer des impulsions pour allumage et stabilisation des processus a l'arc electrique

Country Status (10)

Country Link
US (1) US4119829A (fr)
JP (1) JPS52129653A (fr)
BE (1) BE853752A (fr)
CH (1) CH617376A5 (fr)
DE (1) DE2717255A1 (fr)
ES (1) ES457959A1 (fr)
FR (1) FR2349232A1 (fr)
GB (1) GB1571223A (fr)
NL (1) NL7704228A (fr)
SE (1) SE7704227L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519277A1 (fr) * 1982-01-07 1983-07-08 Hamm Jean Jacques Dispositif augmentant la tension d'amorcage des soudeuses a l'arc a controle par angle de phase
US4501947A (en) * 1983-12-15 1985-02-26 Kerlin Jack H Electric arc unbalance correction system
DE3420434A1 (de) * 1984-06-01 1985-12-05 Messer Griesheim Gmbh, 6000 Frankfurt Einrichtung zum stabilisieren eines wechselstromschweisslichtbogens und zum zuenden eines wechsel-oder gleichstromlichtbogens
FR2589307B1 (fr) * 1985-10-25 1993-07-30 Soudure Autogene Francaise Procede d'amorcage d'un arc en soudage electrique et torche de soudage mettant en oeuvre ce procede
US10376980B2 (en) * 2013-03-08 2019-08-13 Lincoln Global, Inc. Arc welding with synchronized high frequency assist arc initiation
WO2015015760A1 (fr) * 2013-07-31 2015-02-05 パナソニックＩｐマネジメント株式会社 Dispositif de génération haute fréquence et dispositif d'alimentation pour usinage par décharge électrique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2235751A1 (de) * 1972-07-21 1974-01-31 Hourani Vorrichtung und verfahren zur stabilisierung von schweisslichtboegen
DE2449557B1 (de) * 1974-10-18 1976-03-25 Messer Griesheim Gmbh Schaltanordnung zum stabilisieren und zuenden von schweisslichtboegen durch zuendimpulse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516037A (en) * 1948-11-03 1950-07-18 Westinghouse Electric Corp Arc welding apparatus
GB655829A (en) * 1948-11-25 1951-08-01 Arc Mfg Co Ltd Improvements in or relating to electric circuits for electric arc welding
NL241039A (fr) * 1958-07-12
DE1928757C3 (de) * 1969-06-06 1978-11-23 Messer Griesheim Gmbh, 6000 Frankfurt Schaltungsanordnung zum Stabilisieren und Zünden von Schweißlichtbögen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2235751A1 (de) * 1972-07-21 1974-01-31 Hourani Vorrichtung und verfahren zur stabilisierung von schweisslichtboegen
DE2449557B1 (de) * 1974-10-18 1976-03-25 Messer Griesheim Gmbh Schaltanordnung zum stabilisieren und zuenden von schweisslichtboegen durch zuendimpulse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/75 *

Also Published As

Publication number Publication date
GB1571223A (en) 1980-07-09
CH617376A5 (fr) 1980-05-30
US4119829A (en) 1978-10-10
ES457959A1 (es) 1978-02-16
NL7704228A (nl) 1977-10-24
JPS52129653A (en) 1977-10-31
SE7704227L (sv) 1977-10-21
DE2717255A1 (de) 1977-11-10
BE853752A (fr) 1977-08-16

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