JPS5484845A - Control method and apparatus for welding arc heat - Google Patents

Control method and apparatus for welding arc heat

Info

Publication number
JPS5484845A
JPS5484845A JP15213977A JP15213977A JPS5484845A JP S5484845 A JPS5484845 A JP S5484845A JP 15213977 A JP15213977 A JP 15213977A JP 15213977 A JP15213977 A JP 15213977A JP S5484845 A JPS5484845 A JP S5484845A
Authority
JP
Japan
Prior art keywords
pulse
circuit
frequency
signal
voltage
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
JP15213977A
Other languages
Japanese (ja)
Inventor
Hidehiko Maehata
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.)
Kanadevia Corp
Original Assignee
Hitachi Zosen Corp
Hitachi Shipbuilding and Engineering 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 Hitachi Zosen Corp, Hitachi Shipbuilding and Engineering Co Ltd filed Critical Hitachi Zosen Corp
Priority to JP15213977A priority Critical patent/JPS5484845A/en
Publication of JPS5484845A publication Critical patent/JPS5484845A/en
Pending legal-status Critical Current

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  • Arc Welding Control (AREA)

Abstract

PURPOSE: To form well-penetrated bead of a stable form by limiting the incoming heat of welding arc by changing continuously or optionally the pulse width and pulse repetition number of pulse current on automatic base.
CONSTITUTION: The condition of the weldig gap 4 is converted into the voltage signal v by the optical or supersonic edge detector 6 and the signal treatment device 7, and the arithmetic circuit 8 dispatches the value V obtained by deducting the detected signal Vo from the set signal Vr of the set value 9. The output voltage V is put in a voltage-frequency convertor built in the pulse-generating circuit 10, from which frequency fp corresponding to the input voltage is generated. Thus, the pulse repetition number fp is modulated according to the edge condition. The pulse frequency fp is sent through the amplifying circuit 11 to the switching circuit 5 to actuate the circuit 5. As the pulse frequency fp rises, the width of welding bead is reduced and the depth of penetration is increased. The DC power source 1 generates a pulse current from direct current to more than 10 Hz through the circuit 5.
COPYRIGHT: (C)1979,JPO&Japio
JP15213977A 1977-12-17 1977-12-17 Control method and apparatus for welding arc heat Pending JPS5484845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15213977A JPS5484845A (en) 1977-12-17 1977-12-17 Control method and apparatus for welding arc heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15213977A JPS5484845A (en) 1977-12-17 1977-12-17 Control method and apparatus for welding arc heat

Publications (1)

Publication Number Publication Date
JPS5484845A true JPS5484845A (en) 1979-07-06

Family

ID=15533886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15213977A Pending JPS5484845A (en) 1977-12-17 1977-12-17 Control method and apparatus for welding arc heat

Country Status (1)

Country Link
JP (1) JPS5484845A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744472A (en) * 1980-08-29 1982-03-12 Mitsubishi Electric Corp Pulse arc welding method
JPS5744473A (en) * 1980-08-29 1982-03-12 Mitsubishi Electric Corp Pulse arc welding method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106938A (en) * 1973-02-16 1974-10-11
JPS5126660A (en) * 1974-08-30 1976-03-05 Nippon Steel Corp KAHEN PARUSUA AKUYOSETSUHO
JPS528954A (en) * 1975-07-11 1977-01-24 Mitsubishi Electric Corp Heat input control welding process
JPS5214557A (en) * 1975-03-06 1977-02-03 Atomic Energy Authority Uk Metood and device for electric arc welding
JPS52133050A (en) * 1976-04-30 1977-11-08 Hitachi Shipbuilding Eng Co Automatic welder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106938A (en) * 1973-02-16 1974-10-11
JPS5126660A (en) * 1974-08-30 1976-03-05 Nippon Steel Corp KAHEN PARUSUA AKUYOSETSUHO
JPS5214557A (en) * 1975-03-06 1977-02-03 Atomic Energy Authority Uk Metood and device for electric arc welding
JPS528954A (en) * 1975-07-11 1977-01-24 Mitsubishi Electric Corp Heat input control welding process
JPS52133050A (en) * 1976-04-30 1977-11-08 Hitachi Shipbuilding Eng Co Automatic welder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744472A (en) * 1980-08-29 1982-03-12 Mitsubishi Electric Corp Pulse arc welding method
JPS5744473A (en) * 1980-08-29 1982-03-12 Mitsubishi Electric Corp Pulse arc welding method

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