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US 2021/0197476 A1Published application
Build material reclaim in additive manufacturing
AssigneeHewlett-Packard Development Company, L.P.
InventorBrent EWALD
Life of this patent
Estimating the term…
Abstract
A three-dimensional (3D) printer and method for feeding powder to a build platform of the 3D printer, Incidental powder lost from the build platform is collected and fed to the build platform.
Claims15
A method of operating a three-dimensional (3D) printer, comprising:
- feeding powder to a build platform of the 3D printer;
- collecting incidental powder lost from the build platform to give reclaim powder;
- feeding the reclaim powder to the build platform;
- and
- printing a 3D object from build material via the build platform, the build material comprising the powder and the reclaim powder.
2 more elements
A method of operating a three-dimensional (3D) printer, comprising:
- feeding recycle powder to a build chamber of the 3D printer;
- feeding fresh powder to the build chamber at a specified weight ratio to the recycle powder;
- feeding recovered powder to the build chamber;
- printing, via a build platform of the 3D printer, a 3D object from a combined feed having the recycle powder, the fresh powder, and the recovered powder;
- collecting powder lost from the build platform by vacuum, gravity, pneumatic conveying, or mechanical conveying, or any combinations thereof, during the printing of the 3D object to give the recovered powder.
2 more elements
A three-dimensional (3D) printer comprising:
- a build platform for the 3D printer to print a 3D object from build material comprising feed powder;
- a collection system to recover incidental powder lost from the build platform during printing of the 3D object;
- a feed system to provide the feed powder to the build platform, wherein the feed system to return the incidental powder to the build platform.
Dependencies are inferred from the claim text.