Title:
LASER WELDING METHOD AND WELDED JOINT
Document Type and Number:
Japanese Patent JP2018158350
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a laser welding method and a welded joint capable of homogeneously forming a weld bead shape by fillet welding.SOLUTION: A laser welding method includes: a first weld bead formation step of forming a first weld bead B1 along a planned welding line L on a corner 11 formed of an end face 6a of an outer plate 2 and a vehicle outside surface 4a of an entrance frame 3; a second weld bead formation step of forming a second weld bead B2 along a planned weld line L on a corner 12 positioned on an opposite side to the corner 11 out of corners constituting the end face 6a of the outer plate 2; and a third weld bead formation step of forming a third weld bead B3 along a planned scheduled line L on the end face 6a of the outer plate 2, where the first to third weld beads B1 to B3 formed by the first to third weld bead formation steps are connected to each other.SELECTED DRAWING: Figure 1
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Inventors:
ENDO SHOTA
KAWADA NAOKI
KAWAUMI UMI
KAWADA NAOKI
KAWAUMI UMI
Application Number:
JP2017055860A
Publication Date:
October 11, 2018
Filing Date:
March 22, 2017
Export Citation:
Assignee:
JAPAN TRANSP ENGINEERING CO LTD
International Classes:
B23K26/244; B23K26/242
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Hiromitsu Nakayama
Yoshiki Kuroki
Hiromitsu Nakayama