FR2329098A1 - Arc welding current source - with smoothed direct current feeding thyristor bridge for square wave alternating current arc welding - Google Patents

Arc welding current source - with smoothed direct current feeding thyristor bridge for square wave alternating current arc welding

Info

Publication number
FR2329098A1
FR2329098A1 FR7631619A FR7631619A FR2329098A1 FR 2329098 A1 FR2329098 A1 FR 2329098A1 FR 7631619 A FR7631619 A FR 7631619A FR 7631619 A FR7631619 A FR 7631619A FR 2329098 A1 FR2329098 A1 FR 2329098A1
Authority
FR
France
Prior art keywords
arc welding
welding
current
source
square wave
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
FR7631619A
Other languages
French (fr)
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.)
STK SCHWEISSTECHNISCHE KONSTRU
Original Assignee
STK SCHWEISSTECHNISCHE KONSTRU
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 STK SCHWEISSTECHNISCHE KONSTRU filed Critical STK SCHWEISSTECHNISCHE KONSTRU
Publication of FR2329098A1 publication Critical patent/FR2329098A1/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • 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
    • B23K9/1043—Power supply characterised by the electric circuit
    • B23K9/1056—Power supply characterised by the electric circuit by using digital means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)

Abstract

Welding current source for alternative d.c. welding (heavy metals) and a.c. welding (light metals) uses a rectangular wave form for the latter. This is produced by a bridge circuit, fed by a d.c. source, which includes four thyristors in pairs of two. A firing circuit controls the thyristor pairs which are connected with the anode of one pair to the positive pole and with the cathode of the second pair to the negative pole of the d.c. source. This requires no stabilizing high-frequency pulse generator for igniting the half waves in a.c. welding. A smooth shape of the direct current is combined with a steep zero passage for a.c. welding so that excellent stability is combined with good quality welds in both cases.
FR7631619A 1975-10-23 1976-10-20 Arc welding current source - with smoothed direct current feeding thyristor bridge for square wave alternating current arc welding Pending FR2329098A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752547458 DE2547458A1 (en) 1975-10-23 1975-10-23 DEVICE FOR GENERATING RECTANGULAR AC CURRENT FROM DC CURRENT FOR ELECTRIC ARC WELDING

Publications (1)

Publication Number Publication Date
FR2329098A1 true FR2329098A1 (en) 1977-05-20

Family

ID=5959886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631619A Pending FR2329098A1 (en) 1975-10-23 1976-10-20 Arc welding current source - with smoothed direct current feeding thyristor bridge for square wave alternating current arc welding

Country Status (3)

Country Link
BR (1) BR7606968A (en)
DE (1) DE2547458A1 (en)
FR (1) FR2329098A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001071053A1 (en) * 2000-03-24 2001-09-27 Werner Jung Method for the production of a material coating on a surface

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10028820C5 (en) * 2000-03-24 2004-09-16 Werner Jung Process for generating a material application on a surface

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU43177A1 (en) * 1962-06-27 1963-04-12
FR1456460A (en) * 1964-08-06 1966-07-08 Device for feeding fluorescent tubes at their preferred frequencies
DE1638179A1 (en) * 1968-02-08 1971-06-24 Bosch Gmbh Robert Switching arrangement
US3588465A (en) * 1968-10-29 1971-06-28 Air Reduction Line voltage compensating pulsed power welding supply
FR2107132A5 (en) * 1970-09-18 1972-05-05 Linde Ag

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU43177A1 (en) * 1962-06-27 1963-04-12
FR1456460A (en) * 1964-08-06 1966-07-08 Device for feeding fluorescent tubes at their preferred frequencies
DE1638179A1 (en) * 1968-02-08 1971-06-24 Bosch Gmbh Robert Switching arrangement
US3588465A (en) * 1968-10-29 1971-06-28 Air Reduction Line voltage compensating pulsed power welding supply
FR2107132A5 (en) * 1970-09-18 1972-05-05 Linde Ag
US3781508A (en) * 1970-09-18 1973-12-25 Messer Griesheim Gmbh Apparatus for plasma welding

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/64 *
EXBK/66 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001071053A1 (en) * 2000-03-24 2001-09-27 Werner Jung Method for the production of a material coating on a surface

Also Published As

Publication number Publication date
BR7606968A (en) 1977-08-30
DE2547458A1 (en) 1977-04-28

Similar Documents

Publication Publication Date Title
US2235385A (en) Welding method and apparatus
GB1188024A (en) Improvements in or relating to Arc Welding Processes and Apparatus.
ES427029A1 (en) Arc welding process and apparatus
FR2329098A1 (en) Arc welding current source - with smoothed direct current feeding thyristor bridge for square wave alternating current arc welding
JPS6487072A (en) Gas shielded ac twin arc welding method
ES446140A1 (en) Device for plasma-MIG welding
US2764668A (en) Process for electric arc welding in a protective atmosphere
SE7701270L (en) SET AND APPLIANCE FOR BUMP WELDING
JPS5439340A (en) Laser welder
SU528157A1 (en) Arc welding method
SU140514A1 (en) Method for increasing stability of AC arc burning
GB1412300A (en) Arc generator
US3718802A (en) Ripple control for electric arc welding power supply apparatus
SU128956A1 (en) Method of welding metals
FR2108266A5 (en) Arc striking device - by auxiliary plasma torch for tig welding methods
FR2247309A1 (en) Arc-welding with A.C. - with circuit providing a min. current for the gaps in the supply of weld current during each half-wave
GB1280727A (en) A method and device for plasma-arc welding
SU536017A1 (en) AC power supply for fusion welding
JPS5542133A (en) Ac gas shielded arc welding method
JPS57202982A (en) Welding method for narrow edge due to consumable electrode type gas shield arc
JPS555183A (en) Arc welder
JPS5554271A (en) Arc starting method in dcsp-tig welding of aluminum material
JPS55120481A (en) Multielectrode welding method
FR2038063A1 (en) Striking an arc by means of an auxiliary - electrode
SU520784A1 (en) Method for remelting consumable electrode