UNIT, SYSTEM AND METHOD FOR ADDITIVE MANUFACTURING Russian patent published in 2022 - IPC B33Y30/00 B33Y10/00 B29C64/106 B29C64/124 B29C64/135 B29C41/36 B23K26/352 

Abstract RU 2773690 C2

FIELD: additive manufacturing technology.

SUBSTANCE: group of inventions relates to an apparatus (variants) and a method (variants) for creating a three-dimensional object on a platform for buildup using resin by a layered technique, a unit for creating a three-dimensional object on a platform for buildup using resin by a layered technique (variants), and a source of resin in a fluid form. The apparatus comprises a carriage with a source of resin in a fluid form installed thereon, a roll for transferring a layer of the fluid material to the application site, and an irradiating apparatus installed on the carriage and configured to emit electromagnetic waves. The irradiating apparatus is configured to emit electromagnetic waves in the direction of the first irradiation site located adjacent to the roll within the source of resin to ensure at least partial hardening of the resin layer and to emit electromagnetic waves in the direction of the second irradiation site within the buildup area in order to apply a layer to create a three-dimensional object.

EFFECT: invention provides a possibility of manufacturing objects from multiple materials, including objects with a removable support structure made of a material different from the material of the main object; also provided is the possibility of creating objects from multiple materials requiring different irradiation sources, as well as the possibility of creating clean, dry, and fully hardened objects, increasing the efficiency of creation.

71 cl, 93 dwg

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RU 2 773 690 C2

Authors

Knecht, Frederick

Littrell, Michael G.

Dates

2022-06-07Published

2019-04-05Filed