POWDER BED FUSION APPARATUS AND METHODS

This invention concerns a powder bed fusion apparatus for building an object in a layer-by-layer manner. The powder bed fusion apparatus comprising a build platform (102) movable within a build sleeve (103) to define a build volume, a layer formation device for forming layers of powder across the bu...

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Bibliographische Detailangaben
Hauptverfasser:	Campton, Paul, McMurtry, David Roberts, Sutcliffe, Christopher, John, Beeby, David Edward, Whitton, David, John, Weston, Robin Geoffrey
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING METALLIC POWDER WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	This invention concerns a powder bed fusion apparatus for building an object in a layer-by-layer manner. The powder bed fusion apparatus comprising a build platform (102) movable within a build sleeve (103) to define a build volume, a layer formation device for forming layers of powder across the build volume in a working plane and an irradiation device for irradiating powder in the working plane to selectively fuse the powder. The powder bed fusion apparatus further comprises a mechanical manipulator (105) arranged to engage with the object and/or a build substrate (106), to which the object is attached, to tilt the object in a raised position above the working plane such that powder is freed from the object and deposited at a location above the working plane and/or into the build volume.