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Patent Searching and Data


Title:
FRONT AXLE BEAM AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2018/186376
Kind Code:
A1
Abstract:
The disclosed method of production of the present invention comprises a first through third step, in the stated order. The first step comprises using a die to forge steel and thereby form a forged article that includes a rough web section (220) and four rough flange sections of a plate-like shape. The second step comprises pressing at least one specific rough flange section of the four rough flange sections with a first die, and thereby forming, on the specific rough flange section, a first bend section that bends towards the outside in a vertical direction VD of the forged article. The third step comprises forming a second bend section (232b) by using a second die (320) to press on an end section of the first bend section and deform the end section toward the inside in the vertical direction VD. In the third step, the end section is deformed while deformation in the horizontal direction HD of the end section is restrained.

Inventors:
TAMURA KENJI (JP)
IMANISHI KENJI (JP)
HWANG SAM SOO (JP)
YABUNO KUNIHIRO (JP)
YOSHIDA KUNIHIRO (JP)
ISHIHARA KOICHIRO (JP)
Application Number:
PCT/JP2018/014206
Publication Date:
October 11, 2018
Filing Date:
April 03, 2018
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
B21K1/12; B21J5/02; B60B35/06; B60G9/04
Foreign References:
JPS5978741A1984-05-07
JPS5764304A1982-04-19
US6196563B12001-03-06
JPH0542307A1993-02-23
EP2161146A12010-03-10
JP2003285771A2003-10-07
JP2009106955A2009-05-21
Attorney, Agent or Firm:
ASCEND IP LAW FIRM (JP)
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