ADDITIVE MANUFACTURING METHOD AND APPARATUS

An apparatus and method are provided for additive manufacturing. The apparatus includes a work surface, a material depositing device for depositing a layer of powder material onto the work surface or onto a previous deposited layer of powder material, and an energy directing device configured to dir...

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Bibliographische Detailangaben
Hauptverfasser:	VAN DER BORG, Lodewijk Stephanus Margaretha, VEROUDEN, Franciscus Quirinus Fredrik
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:	An apparatus and method are provided for additive manufacturing. The apparatus includes a work surface, a material depositing device for depositing a layer of powder material onto the work surface or onto a previous deposited layer of powder material, and an energy directing device configured to direct an energy beam towards the work surface. The method includes depositing a first powder material in a first pattern which corresponds to a cross-section surface of the to be manufactured object, depositing a second powder material in a second pattern such that the first and second powder material together provide a continuous layer of powder material, wherein the material of the second powder is different from the material of the first powder, and irradiating said layer of powder material by the energy beam in order to meld at least a part of the first powder material only.