CPC B22F 5/009 (2013.01) [B22F 5/106 (2013.01); B22F 10/28 (2021.01); B22F 10/50 (2021.01); B22F 12/22 (2021.01); B22F 12/37 (2021.01); B22F 10/73 (2021.01); B22F 12/70 (2021.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12)] | 12 Claims |
1. An additive manufacturing apparatus, comprising:
at least one build unit;
a build platform;
a pair of collectors positioned on the additive manufacturing apparatus such that a first collector contacts an outer surface of an object as it is formed on the build platform and a second collector contacts an inner surface of the object as it is formed on the build platform, wherein the object is formed in a powder bed disposed between the first collector and the second collector, and wherein the first collector and the second collector define a powder cavity and simultaneously hold powder from the powder bed against the outer surface and the inner surface of the object during a build process, wherein the first collector comprises a first collection arm; and
a first sealing member on an end of the first collection arm such that the contact between the first sealing member and the outer surface of the object holds the powder within the powder cavity.
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