METHOD AND APPARATUS FOR THE CONSTRUCTION OF THREE-DIMENSIONAL FIBRE-REINFORCED STRUCTURES FROM A PRE-EXISTING OBJECT

A method for the construction of three-dimensional fibre-reinforced structures from a pre-existing object, where said method comprises the following steps: -acquisition of the initial three-dimensional geometry of the pre-existing object and of the relative spatial coordinates of its position with r...

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Bibliographische Detailangaben
Hauptverfasser:	GARABELLI, Giuseppe, RICCI, Davide Matteo, NATALE, Gabriele, TONIZZO, Michele
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 PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method for the construction of three-dimensional fibre-reinforced structures from a pre-existing object, where said method comprises the following steps: -acquisition of the initial three-dimensional geometry of the pre-existing object and of the relative spatial coordinates of its position with respect to a numerically controlled machine (10) equipped with at least one printhead (12); definition of the path to be followed by the above-mentioned printhead (12) in order to add the desired amount of material to the pre-existing object to obtain a desired final object; -deposit of the material on the pre-existing object by means of said printhead (12) by layering the composite material on the pre-existing object according to programmed trajectories, where such programmed trajectories are calculated according to the path that said printhead (12) must follow to add the desired amount of material to the pre-existing object; -extraction of the reinforced object after operations are concluded.