JPS5731473A - Automatic welding - Google Patents

Automatic welding

Info

Publication number
JPS5731473A
JPS5731473A JP10456780A JP10456780A JPS5731473A JP S5731473 A JPS5731473 A JP S5731473A JP 10456780 A JP10456780 A JP 10456780A JP 10456780 A JP10456780 A JP 10456780A JP S5731473 A JPS5731473 A JP S5731473A
Authority
JP
Japan
Prior art keywords
welding
electrode
arc
coil
moving
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
JP10456780A
Other languages
Japanese (ja)
Inventor
Takao Nakatani
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP10456780A priority Critical patent/JPS5731473A/en
Publication of JPS5731473A publication Critical patent/JPS5731473A/en
Pending legal-status Critical Current

Links

Landscapes

  • Arc Welding Control (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PURPOSE: To prevent deposited metal from hanging down in performing butt welding of circumferential part in all positions by an arc welding machine using a nonconsumable electrode by applying current to a coil wound on the weld zone while the welding electrode moves in a down moving welding area.
CONSTITUTION: A butt weld zone 18 of metallic tubes 10a, 10b is welded in all positions by an arc 24 using a nonconsumable electrode 20. A coil 28 is wound around the tube 10a to be welded and while energizing the coil, welding is performed moving an electrode 20 from 0hr position P0 to 6hr position P6 in a down- moving welding area ED. The welding arc 24 is subjected to force in accordance with Fleming's left-hand rule by the action of magnetic line of force Φ generated in the direction of tube axis by current I that flows in the coil 28, and welding current (i). Thus, the arc is deflected upward opposite to the direction of advance of the electrode 20 and consequently, hanging down of deposited metal in the down moving area ED is prevented.
COPYRIGHT: (C)1982,JPO&Japio
JP10456780A 1980-07-30 1980-07-30 Automatic welding Pending JPS5731473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10456780A JPS5731473A (en) 1980-07-30 1980-07-30 Automatic welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10456780A JPS5731473A (en) 1980-07-30 1980-07-30 Automatic welding

Publications (1)

Publication Number Publication Date
JPS5731473A true JPS5731473A (en) 1982-02-19

Family

ID=14384024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10456780A Pending JPS5731473A (en) 1980-07-30 1980-07-30 Automatic welding

Country Status (1)

Country Link
JP (1) JPS5731473A (en)

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