Title:
PRESS FORMING METHOD FOR ABUTT WELDING BOARD
Document Type and Number:
Japanese Patent JPH11104750
Kind Code:
A
Abstract:
To improve formability wherein concentration of strain towards a low strength material side or a thin board side can be reduced.
This method is referred to a sheet of blank material comprising a thick board 13, a thin board 11 and another board 12 inserted in between the two, wherein they are all welded together by a laser respectively. The blank material is press formed into an inner panel of a door for a vehicle. At this time, the thick board 13 and a laser welded position inserted in between are arranged at an outer side from a corner R of a shrinkage flange formed portion 11.
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Inventors:
SAKURAI HIROSHI
Application Number:
JP26530297A
Publication Date:
April 20, 1999
Filing Date:
September 30, 1997
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
B62D65/00; B21C37/02; B21D22/20; B21D22/26; B23K15/00; B23K26/21; (IPC1-7): B21D22/20; B21C37/02; B21D22/26; B23K15/00; B23K26/00; B62D65/00
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