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Patent Searching and Data


Title:
ADDITIVE MANUFACTURING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/159644
Kind Code:
A1
Abstract:
Provided is an additive manufacturing apparatus of a powder bed fusion type, the apparatus being capable of improving the quality of a product by laying material powder highly densely in a uniform thickness. This additive manufacturing apparatus is provided with: a material laying unit 71 which lays and levels material powder P; a material compressing unit 72 which compresses the material powder P laid by the material spreading unit 71; and a surface layer removing unit 73 which scrapes off a surface layer section of the material powder P compressed by the material compressing unit 72.

Inventors:
SAITOU Noboru (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
OONUMA Atsuhiko (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
AOTA Kinya (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
KAWANAKA Hirotsugu (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
MATSUSHITA Shinji (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
YANG Yingjuan (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
JP2019/002325
Publication Date:
August 22, 2019
Filing Date:
January 24, 2019
Export Citation:
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Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
International Classes:
B29C64/188; B22F3/105; B22F3/16; B28B1/30; B29C64/153; B29C64/214; B29C64/218; B33Y30/00
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (Atago Green Hills MORI Tower 32F, 5-1 Atago 2-chome, Minato-k, Tokyo 32, 〒1056232, JP)
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