DEVICE AND METHOD FOR PRODUCING THREE-DIMENSIONAL WORKPIECES

The invention relates to a device for producing three-dimensional workpieces, The device comprises a carrier for receiving raw material powder and a radiation unit for selectively radiating the raw material powder applied to the carrier with electromagnetic radiation or particle radiation in order t...

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Bibliographische Detailangaben
Hauptverfasser:	HOPPE, Birk, WILKES, Jan, ROESGEN, Lukas
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:	The invention relates to a device for producing three-dimensional workpieces, The device comprises a carrier for receiving raw material powder and a radiation unit for selectively radiating the raw material powder applied to the carrier with electromagnetic radiation or particle radiation in order to produce on the carrier a workpiece made of the raw material powder by a generative layering construction process. The device also comprises a vertical movement means, which is designed to move the radiation unit vertically relative to the carrier, and a cylinder construction wall, which extends substantially vertically and which constitutes a lateral delimitation for the raw material powder applied to the carrier, wherein the cylinder construction wall is designed to increase its vertical height during the construction process.