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Patent Searching and Data


Title:
ADDITIVE MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/159635
Kind Code:
A1
Abstract:
Provided is an additive manufacturing device that improves responsiveness in temperature control during preheating of material powder and that is capable of improving precision in shaping an article. An additive manufacturing device 1 is provided with: a stage 51 on which material powder P is placed; a raising and lowering part 10 which raises and lowers the stage 51; a side wall part 52 surrounding the stage 51; and a side wall heating part which is embedded in the side wall part 52 and which heats the side wall part 52 from the inside. The stage 51 includes: an upper plate part 51a having an upper surface on which the material powder P is placed; an upper plate heating part 51b which heats the lower surface of the upper plate part 51a; and a heat insulation part 51c interposed between the upper plate heating part 51b and the raising and lowering part 50.

Inventors:
KAWANAKA Hirotsugu (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
SAITOU Noboru (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
AOTA Kinya (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)
OONUMA Atsuhiko (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
JP2019/002278
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:
B29C64/245; B22F3/105; B22F3/16; B28B1/30; B29C64/153; B29C64/255; B29C64/295; 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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