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Title:
METHOD OF WELDING METALLIC MEMBER
Document Type and Number:
Japanese Patent JP2008290129
Kind Code:
A
Abstract:

To provide a method of welding metallic members, a method capable of welding even a combination of metallic members having different specific resistance values and capable of securing excellent welding quality at low cost.

The method of welding metallic members includes: a tack welding process in which a projection Tc formed in a first metallic member 1c is oppositely superimposed on a second metallic member 2c, in which the first and the second metallic member 1c, 2c are energized while being pressurized by projection welding equipment, and in which the projection Tc of the first metallic member 1c is tack-welded to the abutting face 3c of the second metallic member 2c; and a laser welding process in which the tack-welded abutting face 3c is irradiated with a laser beam for fusion welding between the first and the second metallic member 1c, 2c at the abutting face 3c.


Inventors:
INOMATA NORIYASU
SAKURAI TAKASHI
KOBAYASHI KENJI
Application Number:
JP2007139522A
Publication Date:
December 04, 2008
Filing Date:
May 25, 2007
Export Citation:
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Assignee:
DENSO CORP
International Classes:
B23K11/14; B23K11/20; B23K26/21; B23K26/22; B23K26/32; B23K28/02; B23K103/04
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe