Title:
CONSUMABLE ELECTRODE ARC WELDING METHOD
Document Type and Number:
Japanese Patent JP3867712
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To solve the problem in a conventional consumable multi-electrode arc welding method in which, while welding is performed for filling a crater with one only consumable multi-electrode, wires of other consumable electrodes not in use come into contact with a weld pool to become welded on completion of welding as a possibility and in which, in the occurrence of this situation, an automatic welding machine such as a welding robot is prevented from continuing an operation thereafter.
SOLUTION: The method makes it possible to avoid contact between the weld pool and all wires by having a means for moving the entire torch in a direction away from the weld pool when a crater welding is performed in a welding completing zone. In addition, for all other wires as well as the welding wire involved in the crater welding, the method is designed to confirm the welding and, in case a welded wire is present, to enable the welding to be released by making a welding current flow again to such wire.
Inventors:
Kazuma Yoshima
Application Number:
JP2004123953A
Publication Date:
January 10, 2007
Filing Date:
April 20, 2004
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
B23K9/00; B23K9/095; B23K9/12; B23K9/173; (IPC1-7): B23K9/00; B23K9/12; //B23K9/095; B23K9/173
Domestic Patent References:
| JP200353535A | ||||
| JP5245638A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano
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