Fused filament fabrication (original) (raw)

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La fabricació per filament fos (Fused filament fabrication, FFF) és un procés d'impressió 3d que utilitza un filament continu d'un material termoplàstic. Aquest és alimentat des d'una bobina gran fins a un capçal d'extrusora, on el filament és fusionat i dipositat sobre l'objecte en construcció. El capçal és mogut, sota control de l'ordinador, per definir la forma impresa. Es tracta d'una tecnologia de fabricació additiva, normalment els moviments de capçal són en capes, movent-se dins dues dimensions (eixos X-Y) per dipositar cada una de les capes horitzontals, seguit d'un moviment vertical (eix Z) per a passar a la següent capa. La velocitat del capçal d'impressió ha de ser controlada, per parar i iniciar la deposició i formar un capa sense forats ni acumulacions. El terme fabricació per

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dbo:abstract La fabricació per filament fos (Fused filament fabrication, FFF) és un procés d'impressió 3d que utilitza un filament continu d'un material termoplàstic. Aquest és alimentat des d'una bobina gran fins a un capçal d'extrusora, on el filament és fusionat i dipositat sobre l'objecte en construcció. El capçal és mogut, sota control de l'ordinador, per definir la forma impresa. Es tracta d'una tecnologia de fabricació additiva, normalment els moviments de capçal són en capes, movent-se dins dues dimensions (eixos X-Y) per dipositar cada una de les capes horitzontals, seguit d'un moviment vertical (eix Z) per a passar a la següent capa. La velocitat del capçal d'impressió ha de ser controlada, per parar i iniciar la deposició i formar un capa sense forats ni acumulacions. El terme fabricació per filament fos va ser creat pels membres del projecte RepRap a fi d'evitar el terme patentat modelat per deposició de material fos (fused deposition modeling, FDM). La impressió mitjançant filament fos és avui en dia el procés més popular (per nombre de màquines) en la impressió 3D a nivell d'ús comú. Altres tècniques com la fotopolimerització poden oferir resultats millors, tanmateix els seus costos són molt més grans. (ca) Fused filament fabrication (FFF), also known as fused deposition modeling (with the trademarked acronym FDM), or called filament freeform fabrication, is a 3D printing process that uses a continuous filament of a thermoplastic material. Filament is fed from a large spool through a moving, heated printer extruder head, and is deposited on the growing work. The print head is moved under computer control to define the printed shape. Usually the head moves in two dimensions to deposit one horizontal plane, or layer, at a time; the work or the print head is then moved vertically by a small amount to begin a new layer. The speed of the extruder head may also be controlled to stop and start deposition and form an interrupted plane without stringing or dribbling between sections. "Fused filament fabrication" was coined by the members of the RepRap project to give an acronym (FFF) that would be legally unconstrained in its use. Fused filament printing is now the most popular process (by number of machines) for hobbyist-grade 3D printing. Other techniques such as photopolymerisation and powder sintering may offer better results, but they are much more costly. The 3D printer head or 3D printer extruder is a part in material extrusion additive manufacturing responsible for raw material melting or softening and forming it into a continuous profile. A wide variety of filament materials are extruded, including thermoplastics such as acrylonitrile butadiene styrene (ABS), polylactic acid (PLA), polyethylene terephthalate glycol (PETG), polyethylene terephtathalate (PET), high-impact polystyrene (HIPS), thermoplastic polyurethane (TPU) and aliphatic polyamides (nylon). (en) Le dépôt de fil fondu (DFF) ou Fused deposition modeling (FDM) ou encore Fused Filament Fabrication (FFF) est une technologie d'impression 3D. Cette technologie consiste à déposer de la matière par couche. La technologie utilise un filament de matière polymère qui est fondu puis extrudé pour construire une pièce couche par couche. Ces filaments peuvent être composés de diverses matières, mais les plus communes sont le PLA et l’ABS. La buse d'extrusion se déplace afin de construire la géométrie[pas clair]. Et, selon les machines, le plateau ou la buse se déplace à la fin de la création d’une couche, pour déposer la suivante. (fr)
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rdfs:comment La fabricació per filament fos (Fused filament fabrication, FFF) és un procés d'impressió 3d que utilitza un filament continu d'un material termoplàstic. Aquest és alimentat des d'una bobina gran fins a un capçal d'extrusora, on el filament és fusionat i dipositat sobre l'objecte en construcció. El capçal és mogut, sota control de l'ordinador, per definir la forma impresa. Es tracta d'una tecnologia de fabricació additiva, normalment els moviments de capçal són en capes, movent-se dins dues dimensions (eixos X-Y) per dipositar cada una de les capes horitzontals, seguit d'un moviment vertical (eix Z) per a passar a la següent capa. La velocitat del capçal d'impressió ha de ser controlada, per parar i iniciar la deposició i formar un capa sense forats ni acumulacions. El terme fabricació per (ca) Fused filament fabrication (FFF), also known as fused deposition modeling (with the trademarked acronym FDM), or called filament freeform fabrication, is a 3D printing process that uses a continuous filament of a thermoplastic material. Filament is fed from a large spool through a moving, heated printer extruder head, and is deposited on the growing work. The print head is moved under computer control to define the printed shape. Usually the head moves in two dimensions to deposit one horizontal plane, or layer, at a time; the work or the print head is then moved vertically by a small amount to begin a new layer. The speed of the extruder head may also be controlled to stop and start deposition and form an interrupted plane without stringing or dribbling between sections. "Fused filament f (en) Le dépôt de fil fondu (DFF) ou Fused deposition modeling (FDM) ou encore Fused Filament Fabrication (FFF) est une technologie d'impression 3D. Cette technologie consiste à déposer de la matière par couche. La technologie utilise un filament de matière polymère qui est fondu puis extrudé pour construire une pièce couche par couche. Ces filaments peuvent être composés de diverses matières, mais les plus communes sont le PLA et l’ABS. (fr)
rdfs:label Fused filament fabrication (en) Fabricació amb filament fos (ca) Dépôt de fil fondu (fr)
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