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US 2019/0054531 A1Published application
Movable wall for additive powder bed
AssigneeGeneral Electric Company
InventorDonald Michael CORSMEIER
Life of this patent
Estimating the term…
Abstract
An additive manufacturing apparatus for building an object is provided. The apparatus includes a build chamber having at least one chamber wall, a powder delivery mechanism, and a build platform. The build chamber and build platform defines while in operation a powder bed. At least one surface of the build chamber or build platform is moveable in a manner that is capable of adjusting forces on the object in the powder bed.
Claims20
An additive manufacturing apparatus for building an object, comprising:
- a build chamber, having at least one chamber wall;
- a powder delivery mechanism;
- and
- a build platform, the build chamber and the build platform defining while in operation a powder bed,
- wherein at least one surface of the build chamber or build platform is moveable in a manner that is capable of adjusting forces on the object in the powder bed.
2 more elements
An apparatus for additive manufacturing of an object, comprising:
- a powder dispenser;
- an irradiation source;
- a platform on which the object is built;
- a recoater providing layers of powder over the platform;
- and
- a powder bed having chamber walls, at least one of the chamber walls having a movable portion.
3 more elements
A method of fabricating an object, comprising:
- (a) depositing a given layer of powder onto a build platform in a build chamber of a powder bed;
- (b) fusing the given layer of powder in the powder bed to form a given fused region;
- (c) depositing a subsequent layer of powder;
- and
- (d) repeating steps (b) and (c) until the object is formed in the powder bed,
- wherein at least one surface of the build chamber or a portion of the build platform is moved to adjust forces on the object in the powder bed.
3 more elements
Dependencies are inferred from the claim text.