Title:
FRAME STRUCTURE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/063053
Kind Code:
A1
Abstract:
Provided is a frame structure manufacturing method with which it is possible to suppress loss of precision due to heat warping, and to manufacture, with high precision, a frame structure in which a plurality of connecting members are welded to a hollow member having a curved section. A frame structure manufacturing method for a frame structure in which a plurality of brackets are welded to a long, curved frame member along the lengthwise direction, said frame structure manufacturing method including a welding step in which a bracket is welded to the frame member, and a cooling step in which, after the welding step, air that is a cooling medium is made to flow into an interior section of the frame member from an end section of the same, wherein the welding step and the cooling step are repeated as many times as the number of brackets.
Inventors:
FUJITA YUKI
YAMAKAWA TAIKI
NAKAHARA TAKUMI
HASHIMOTO NARIKAZU
IMAMURA YOSHIHAYA
YAMAKAWA TAIKI
NAKAHARA TAKUMI
HASHIMOTO NARIKAZU
IMAMURA YOSHIHAYA
Application Number:
PCT/JP2022/035534
Publication Date:
April 20, 2023
Filing Date:
September 22, 2022
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B23K31/00; B23K37/00
Foreign References:
| JPH04284970A | 1992-10-09 | |||
| JP2001138087A | 2001-05-22 | |||
| JP2014205193A | 2014-10-30 | |||
| JP2021134838A | 2021-09-13 |
Attorney, Agent or Firm:
EIKOH,P.C. (JP)
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