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FR2370549A1 - METHOD AND DEVICE FOR ADJUSTING THE WELDING POWER IN ELECTRIC WELDING BY RESISTANCE - Google Patents

METHOD AND DEVICE FOR ADJUSTING THE WELDING POWER IN ELECTRIC WELDING BY RESISTANCE

Info

Publication number
FR2370549A1
FR2370549A1 FR7733751A FR7733751A FR2370549A1 FR 2370549 A1 FR2370549 A1 FR 2370549A1 FR 7733751 A FR7733751 A FR 7733751A FR 7733751 A FR7733751 A FR 7733751A FR 2370549 A1 FR2370549 A1 FR 2370549A1
Authority
FR
France
Prior art keywords
welding
adjusting
resistance
alternating current
amplitude
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.)
Granted
Application number
FR7733751A
Other languages
French (fr)
Other versions
FR2370549B1 (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.)
Fael SA
Original Assignee
Fael SA
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
Priority claimed from CH1414376A external-priority patent/CH598906A5/en
Priority claimed from CH1414576A external-priority patent/CH600981A5/en
Application filed by Fael SA filed Critical Fael SA
Publication of FR2370549A1 publication Critical patent/FR2370549A1/en
Application granted granted Critical
Publication of FR2370549B1 publication Critical patent/FR2370549B1/fr
Granted legal-status Critical Current

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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/252—Monitoring devices using digital means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)
  • Generation Of Surge Voltage And Current (AREA)

Abstract

L'invention se rapporte à un procédé de réglage de la puissance de soudage dans le domaine de la soudure electrique par résistance, au moyen d'un courant alternatif, sur machine à souder à la molette. On règle la valeur efficace de l'intensité du courant alternatif de soudage en faisant varier l'amplitude de la tension alternative, au moins approximativement sinusoïdale, appliquée au primaire du transformateur de soudage, pour chaque demi-période complète. Le dispositif pour la mise en oeuvre de ce procédé présente des moyens de réglage 30 pour faire varier l'amplitude de la tension du courant alternatif fourni au primaire 21 du transformateur de soudage 20. Applications courantes.The invention relates to a method for adjusting the welding power in the field of electric resistance welding, by means of an alternating current, on a seam welding machine. The rms value of the intensity of the welding alternating current is adjusted by varying the amplitude of the alternating voltage, at least approximately sinusoidal, applied to the primary of the welding transformer, for each complete half-period. The device for implementing this method has adjustment means 30 for varying the amplitude of the voltage of the alternating current supplied to the primary 21 of the welding transformer 20. Current applications.

FR7733751A 1976-11-10 1977-11-09 METHOD AND DEVICE FOR ADJUSTING THE WELDING POWER IN ELECTRIC WELDING BY RESISTANCE Granted FR2370549A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1414376A CH598906A5 (en) 1976-11-10 1976-11-10 Constant current obtd. in resistance seam welding
CH1414576A CH600981A5 (en) 1976-11-10 1976-11-10 Constant current obtd. in resistance seam welding

Publications (2)

Publication Number Publication Date
FR2370549A1 true FR2370549A1 (en) 1978-06-09
FR2370549B1 FR2370549B1 (en) 1982-12-17

Family

ID=25713701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7733751A Granted FR2370549A1 (en) 1976-11-10 1977-11-09 METHOD AND DEVICE FOR ADJUSTING THE WELDING POWER IN ELECTRIC WELDING BY RESISTANCE

Country Status (11)

Country Link
JP (2) JPS5360847A (en)
AU (1) AU512408B2 (en)
CA (1) CA1125390A (en)
DE (1) DE2747743A1 (en)
FR (1) FR2370549A1 (en)
GB (1) GB1594009A (en)
IT (1) IT1087299B (en)
MY (1) MY8500547A (en)
NL (1) NL7711802A (en)
SG (1) SG33684G (en)
SU (1) SU778704A3 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR814662A (en) * 1935-12-07 1937-06-28 Method and apparatus for obtaining current pulses of short duration in a welding installation connected to a direct or alternating current source
DE735783C (en) * 1941-03-06 1943-05-27 Siemens Ag Time switch device for briefly switching on an electrical alternating current circuit
FR1556270A (en) * 1966-12-02 1969-02-07
BE759605Q (en) * 1969-12-15 1971-04-30 Ckd Praha STATIC FREQUENCY CONVERTER WITH THYRISTORS, FOR ELECTRIC WELDING
DE2361646A1 (en) * 1972-12-11 1974-06-20 Resistance Welder Corp METHOD AND DEVICE FOR SEAM WELDING

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990649A (en) * 1972-12-29 1974-08-29
JPS52131947A (en) * 1976-04-29 1977-11-05 Mitsubishi Electric Corp Electric power circuits for welder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR814662A (en) * 1935-12-07 1937-06-28 Method and apparatus for obtaining current pulses of short duration in a welding installation connected to a direct or alternating current source
DE735783C (en) * 1941-03-06 1943-05-27 Siemens Ag Time switch device for briefly switching on an electrical alternating current circuit
FR1556270A (en) * 1966-12-02 1969-02-07
BE759605Q (en) * 1969-12-15 1971-04-30 Ckd Praha STATIC FREQUENCY CONVERTER WITH THYRISTORS, FOR ELECTRIC WELDING
DE2361646A1 (en) * 1972-12-11 1974-06-20 Resistance Welder Corp METHOD AND DEVICE FOR SEAM WELDING

Also Published As

Publication number Publication date
DE2747743A1 (en) 1978-05-11
GB1594009A (en) 1981-07-30
JPS6272774U (en) 1987-05-09
SG33684G (en) 1985-02-08
AU3028177A (en) 1979-05-10
JPS5360847A (en) 1978-05-31
AU512408B2 (en) 1980-10-09
IT1087299B (en) 1985-06-04
MY8500547A (en) 1985-12-31
CA1125390A (en) 1982-06-08
NL7711802A (en) 1978-05-12
SU778704A3 (en) 1980-11-07
FR2370549B1 (en) 1982-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse