Title:
MANUFACTURING METHOD FOR ADDITIVE MANUFACTURED ARTICLE AND ADDITIVE MANUFACTURED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2020/230592
Kind Code:
A1
Abstract:
Provided is an additive manufactured article and a manufacturing method for an additive manufactured article that can fabricate the additive manufactured article by efficiently forming weld beads without incurring such defects as sagging and humping. The manufacturing method for an additive manufactured article forms a manufactured article by layering a plurality of weld beads onto a base part, the weld beads being made of filler material that has been melted and solidified, wherein the manufacturing method includes a support bead forming step in which a support bead is formed on the base part and a layering step in which weld beads are layered onto the support bead. In the support bead forming step, a ratio H/W of the height H and the width W of the support bead is 0.35 or larger in a case where the support bead is formed to be tilted from the vertical direction.
Inventors:
HUANG SHUO
SATO SHINJI
HIDA MASATOSHI
SATO SHINJI
HIDA MASATOSHI
Application Number:
PCT/JP2020/017767
Publication Date:
November 19, 2020
Filing Date:
April 24, 2020
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B22F3/105; B23K9/04; B22F3/11; B22F3/16; B23K9/032; B33Y10/00
Domestic Patent References:
| WO2019053792A1 | 2019-03-21 | |||
| WO2018147296A1 | 2018-08-16 |
Foreign References:
| JP2011525593A | 2011-09-22 | |||
| JP2018183815A | 2018-11-22 | |||
| JP2015160217A | 2015-09-07 | |||
| JP2003266174A | 2003-09-24 | |||
| JP2019091596A | 2019-06-13 |
Other References:
See also references of EP 3954487A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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