JPS5577978A - Multi-layer arc welding procedure of plate and electrode wire guide device for said procedure - Google Patents

Multi-layer arc welding procedure of plate and electrode wire guide device for said procedure

Info

Publication number
JPS5577978A
JPS5577978A JP15053378A JP15053378A JPS5577978A JP S5577978 A JPS5577978 A JP S5577978A JP 15053378 A JP15053378 A JP 15053378A JP 15053378 A JP15053378 A JP 15053378A JP S5577978 A JPS5577978 A JP S5577978A
Authority
JP
Japan
Prior art keywords
gap width
wires
groove
welding
arcs
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
JP15053378A
Other languages
Japanese (ja)
Inventor
Masaaki Tokuhisa
Michio Saito
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP15053378A priority Critical patent/JPS5577978A/en
Publication of JPS5577978A publication Critical patent/JPS5577978A/en
Pending legal-status Critical Current

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  • Arc Welding In General (AREA)

Abstract

PURPOSE: To let plates undergo multi-layer arc welding at extremely narrow grooves without any defect by feeding electrode wires adjustably of their bending angles at the torch end and performing correction of welding aim positions in prompt response to the fluctuations in groove gap width in performing narrow-groove butt multi-layer arc welding of plates.
CONSTITUTION: Welding base metals 4, 4' are butted to a certain gap width and electrode wires 1, 1' are mutually insulated and passed through welding torches 3, 3'. The bending guide rod 8 of the electrode wires 1, 1' is alternately sandwiched and supplied to the weld zone, and arcs 6, 6' are generated. When the groove gap width is large, support rods 7, 7' are pulled to increase the curvature of the wires 1, 1' to widen the gap of the both arcs 6, 6' according to the groove gap width. When the groove gap width is narrow, the support rods 7, 7' are lowered to move the bending guide rod 8 of the wires 1, 1' so as to go away from the torch end, whereby the bending of the wires is reduced, the gap of the both arcs 6, 6' narrowed, the excessive melting of the groove side walls 5, 5' prevented and the sound weld zone free from any undercut formed.
COPYRIGHT: (C)1980,JPO&Japio
JP15053378A 1978-12-07 1978-12-07 Multi-layer arc welding procedure of plate and electrode wire guide device for said procedure Pending JPS5577978A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15053378A JPS5577978A (en) 1978-12-07 1978-12-07 Multi-layer arc welding procedure of plate and electrode wire guide device for said procedure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15053378A JPS5577978A (en) 1978-12-07 1978-12-07 Multi-layer arc welding procedure of plate and electrode wire guide device for said procedure

Publications (1)

Publication Number Publication Date
JPS5577978A true JPS5577978A (en) 1980-06-12

Family

ID=15498939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15053378A Pending JPS5577978A (en) 1978-12-07 1978-12-07 Multi-layer arc welding procedure of plate and electrode wire guide device for said procedure

Country Status (1)

Country Link
JP (1) JPS5577978A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928546A (en) * 1972-07-13 1974-03-14
JPS5148039A (en) * 1974-10-22 1976-04-24 Akio Kokonoe GENDOKINIOKERUSHUTSURYOKUZOKASOCHI

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928546A (en) * 1972-07-13 1974-03-14
JPS5148039A (en) * 1974-10-22 1976-04-24 Akio Kokonoe GENDOKINIOKERUSHUTSURYOKUZOKASOCHI

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