METHOD AND APPARATUS FOR THE ADDITIVE MANUFACTURE OF A PRODUCT

The application relates to a method for the additive manufacture of a product, wherein a melt is discharged via a 3D printing head and the melt is deposited in the form of a melt strand on a printing table to form the product, wherein the 3D printing head and/or the printing table are moved in space...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NGUYEN, Alexander, ININGER, Jan, HUMMEL, Daniel, BIERBAUMER, Andreas, HOSSINGER, Max
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 application relates to a method for the additive manufacture of a product, wherein a melt is discharged via a 3D printing head and the melt is deposited in the form of a melt strand on a printing table to form the product, wherein the 3D printing head and/or the printing table are moved in space in accordance with a product-specific computer program. The application is characterised in that the melt is supplied to the 3D printing nozzle via a needle valve nozzle. For the additive manufacture of the product, a volumetric flow of melt is specified which is specified by the geometry of the melt strand to be deposited and the traverse rate of the 3D printing nozzle and/or the printing table. The nozzle needle is moved between the closed position and the open position in such a way that the specified volumetric flow is maintained during the additive manufacture of the product.