JPS57199567A - Method and device for phase controlling of welding machine - Google Patents

Method and device for phase controlling of welding machine

Info

Publication number
JPS57199567A
JPS57199567A JP8599981A JP8599981A JPS57199567A JP S57199567 A JPS57199567 A JP S57199567A JP 8599981 A JP8599981 A JP 8599981A JP 8599981 A JP8599981 A JP 8599981A JP S57199567 A JPS57199567 A JP S57199567A
Authority
JP
Japan
Prior art keywords
voltage
transformer
thyb
welding
period
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
JP8599981A
Other languages
Japanese (ja)
Other versions
JPH0238316B2 (en
Inventor
Katsuo Yoshimura
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.)
Dengensha Toa Co Ltd
Original Assignee
Dengensha Manufacturing Co 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 Dengensha Manufacturing Co Ltd filed Critical Dengensha Manufacturing Co Ltd
Priority to JP8599981A priority Critical patent/JPS57199567A/en
Publication of JPS57199567A publication Critical patent/JPS57199567A/en
Publication of JPH0238316B2 publication Critical patent/JPH0238316B2/ja
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
    • 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

Landscapes

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

Abstract

PURPOSE:To make the controlling of the secondary voltage waveform effective for welding in a short time electricity conduction possible by applying a reverse voltage to one of control rectifying elements coupled respectively to the voltage changing taps on the primary side of a welding transformer to extinguish its arc and commutating the same to the other. CONSTITUTION:If in an electric power sourceI-II (a) firing signal is applied to a thyristor (THY)A from a firing circuit, the secondary voltage waveform 6 8 appears from a welding transformer 12. Here, a THYB is fired by the firing signal of the firing circuit. Then, the primary voltage of the transformer is higher with the other tap T1 than one tap T2 by the effect of the transformer 12. Since the anode voltage to be applied upon the cathode of the THYA is the differential voltage of the taps T1 and T2 as a negative voltage, the THYA is extinguished and the THYB fires. The commutation of the THYB continues to fire until the current conduction period determined by the reactance of the welding machine. In the period (a), the voltage waveform 6 8 9 appears accordingly. The same procedure is held in the period (b) where the power source inverts.
JP8599981A 1981-06-04 1981-06-04 Method and device for phase controlling of welding machine Granted JPS57199567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8599981A JPS57199567A (en) 1981-06-04 1981-06-04 Method and device for phase controlling of welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8599981A JPS57199567A (en) 1981-06-04 1981-06-04 Method and device for phase controlling of welding machine

Publications (2)

Publication Number Publication Date
JPS57199567A true JPS57199567A (en) 1982-12-07
JPH0238316B2 JPH0238316B2 (en) 1990-08-29

Family

ID=13874341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8599981A Granted JPS57199567A (en) 1981-06-04 1981-06-04 Method and device for phase controlling of welding machine

Country Status (1)

Country Link
JP (1) JPS57199567A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116254A (en) * 1974-07-31 1976-02-09 Toyota Motor Co Ltd KORYUSHIKIDENKYOSETSUKINO YOSETSUDENRYUISOSEIGYOKAIRO

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116254A (en) * 1974-07-31 1976-02-09 Toyota Motor Co Ltd KORYUSHIKIDENKYOSETSUKINO YOSETSUDENRYUISOSEIGYOKAIRO

Also Published As

Publication number Publication date
JPH0238316B2 (en) 1990-08-29

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