Title:
STEREOLITHOGRAPHY DEVICE AND METHOD FOR PRODUCING 3D PRINTED OBJECT
Document Type and Number:
WIPO Patent Application WO/2023/084930
Kind Code:
A1
Abstract:
The stereolithography device (10) comprises: a molding tank (11), provided with a light transmission plate (14) on the bottom surface, a photocurable resin (1) being stored therein; a light irradiation unit (20) for irradiating light (L) to cure the photocurable resin (1); a platform (12) that can be raised and lowered relative to the molding tank (11); a partition (13) formed in a cylindrical shape and forming an airtight space (3) in collaboration with the platform (12); a raising/lowering control unit (31) for forming a photocurable resin layer of a predetermined thickness between the lower surface of the partition (13) and lower surface of the space (3) and the light transmission plate (14); and an irradiation control unit (32) for irradiating the photocurable resin layer with light (L) corresponding to the cross-sectional shape of a 3D printed object (2) at a predetermined height position to form a cured layer.
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Inventors:
TAKADA HIROYUKI (JP)
NAKASAKO MASAYA (JP)
NAKASAKO MASAYA (JP)
Application Number:
PCT/JP2022/035428
Publication Date:
May 19, 2023
Filing Date:
September 22, 2022
Export Citation:
Assignee:
JVCKENWOOD CORP (JP)
International Classes:
B29C64/245; B29C64/124; B29C64/232; B29C64/255; B29C64/393; B33Y30/00; B33Y50/02
Foreign References:
| EP3354442A1 | 2018-08-01 | |||
| JP2020066236A | 2020-04-30 | |||
| JP2017523925A | 2017-08-24 | |||
| JP2020062841A | 2020-04-23 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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