{"id":2289,"date":"2024-09-22T11:33:49","date_gmt":"2024-09-22T11:33:49","guid":{"rendered":"https:\/\/bestlasercuttingmachine.com\/?post_type=news&p=2289"},"modified":"2024-09-22T11:34:16","modified_gmt":"2024-09-22T11:34:16","slug":"limprimante-3d-laser-un-acteur-polyvalent-du-secteur","status":"publish","type":"news","link":"https:\/\/bestlasercuttingmachine.com\/fr\/news\/laser-3d-printer-an-all-round-player-in-the-industry\/","title":{"rendered":"L'imprimante 3D laser, un \u201c multitalent \u201d du secteur"},"content":{"rendered":"

R\u00e9cemment, des chercheurs de l'universit\u00e9 du Missouri, aux \u00c9tats-Unis, ont mis au point une m\u00e9thode permettant de fabriquer des dispositifs complexes \u00e0 partir de divers mat\u00e9riaux, notamment des plastiques, des m\u00e9taux et des semi-conducteurs, \u00e0 l'aide d'une seule et m\u00eame machine. Cette \u00e9tude, r\u00e9cemment publi\u00e9e dans Nature Communications, pr\u00e9sente un nouveau proc\u00e9d\u00e9 combinant impression 3D et technologie laser permettant de fabriquer des capteurs, des circuits imprim\u00e9s et m\u00eame des textiles int\u00e9grant des composants \u00e9lectroniques, compos\u00e9s de plusieurs mat\u00e9riaux et de plusieurs couches.
Cette recherche, baptis\u00e9e \u201c proc\u00e9d\u00e9 d\u2019assemblage multimati\u00e8re de forme libre \u201d, devrait r\u00e9volutionner les m\u00e9thodes de fabrication de nouveaux produits. En imprimant des capteurs int\u00e9gr\u00e9s aux structures, la machine peut cr\u00e9er des dispositifs capables de d\u00e9tecter les conditions environnementales, notamment la temp\u00e9rature et la pression. Pour d\u2019autres chercheurs, cela pourrait se traduire par la cr\u00e9ation d\u2019un objet d\u2019aspect naturel, tel qu\u2019un rocher ou un coquillage, capable de mesurer le d\u00e9bit de l\u2019eau de mer. Pour le grand public, cette application jette les bases techniques des futurs appareils portables destin\u00e9s \u00e0 surveiller la tension art\u00e9rielle et d\u2019autres signes vitaux.<\/p>\n\n\n\n

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Plus pr\u00e9cis\u00e9ment, les autres technologies pr\u00e9sentent des limites en termes de polyvalence des mat\u00e9riaux et de pr\u00e9cision dans le placement de petites pi\u00e8ces au sein de structures 3D plus grandes. L\u2019approche de l\u2019\u00e9quipe de recherche r\u00e9sout ces probl\u00e8mes gr\u00e2ce \u00e0 des techniques sp\u00e9cifiques. Les membres de l'\u00e9quipe ont construit une machine dot\u00e9e de trois buses diff\u00e9rentes : l'une ajoute un mat\u00e9riau semblable \u00e0 de l'encre, une autre utilise un laser pour sculpter des formes et des mat\u00e9riaux, et la troisi\u00e8me ajoute des mat\u00e9riaux fonctionnels suppl\u00e9mentaires afin d'am\u00e9liorer les performances du produit.
Tout d'abord, la structure de base est r\u00e9alis\u00e9e \u00e0 l'aide de filaments d'impression 3D courants (tels que le polycarbonate, un thermoplastique transparent). Ensuite, un laser est utilis\u00e9 pour transformer certaines parties en un mat\u00e9riau sp\u00e9cial appel\u00e9 \u00ab graph\u00e8ne induit par laser \u00bb et le placer exactement l\u00e0 o\u00f9 il est n\u00e9cessaire. Enfin, d'autres mat\u00e9riaux sont ajout\u00e9s afin d'am\u00e9liorer les fonctionnalit\u00e9s du produit final.
\u201c Ces travaux ont b\u00e9n\u00e9fici\u00e9 du soutien du programme \u201d Advanced Manufacturing \u201c de la National Science Foundation (NSF), tandis que le programme I-Corps\u2122 de la NSF a fourni un financement destin\u00e9 \u00e0 explorer les possibilit\u00e9s de commercialisation. Le programme I-Corps aide l\u2019\u00e9quipe de recherche \u00e0 identifier les int\u00e9r\u00eats et les besoins du march\u00e9 \u201d, a d\u00e9clar\u00e9 Jian \u201c Javen \u201d Lin, ma\u00eetre de conf\u00e9rences en g\u00e9nie m\u00e9canique et a\u00e9rospatial \u00e0 l\u2019universit\u00e9. \u201c \u00c0 l\u2019heure actuelle, nous pensons que d\u2019autres chercheurs s\u2019y int\u00e9resseront, mais nous sommes convaincus que ce sont les entreprises qui en tireront finalement profit. Cela r\u00e9duira le temps n\u00e9cessaire \u00e0 la r\u00e9alisation d\u2019un prototype, permettant ainsi aux entreprises de fabriquer leurs prototypes en interne. \u201d C\u2019est la premi\u00e8re fois que ce proc\u00e9d\u00e9 est utilis\u00e9, et il ouvre de nouvelles perspectives, a d\u00e9clar\u00e9 Bujingda Zheng, premier auteur de l\u2019\u00e9tude et doctorant en g\u00e9nie m\u00e9canique \u00e0 l\u2019universit\u00e9 du Missouri. \u00ab Je suis tr\u00e8s enthousiaste \u00e0 propos de cette conception. L\u2019un des principaux avantages est que les innovateurs peuvent se concentrer sur la conception de nouveaux produits sans se soucier de la fabrication des prototypes. Cela ouvre la voie \u00e0 des march\u00e9s enti\u00e8rement nouveaux. \u00bb Lin a d\u00e9clar\u00e9 que cela aurait un impact consid\u00e9rable sur les capteurs portables, les robots personnalisables, les dispositifs m\u00e9dicaux et bien d\u2019autres domaines.
\u00c0 l\u2019heure actuelle, la fabrication de structures multicouches telles que les cartes de circuits imprim\u00e9s est un processus fastidieux impliquant de multiples \u00e9tapes et l\u2019utilisation de nombreux mat\u00e9riaux. Ces proc\u00e9d\u00e9s sont co\u00fbteux, chronophages et g\u00e9n\u00e8rent des d\u00e9chets nocifs pour l\u2019environnement. La nouvelle technologie est non seulement plus respectueuse de la plan\u00e8te, mais elle s\u2019inspire \u00e9galement des syst\u00e8mes pr\u00e9sents dans la nature. Par exemple, les anguilles \u00e9lectriques poss\u00e8dent un squelette et des muscles qui leur permettent de se d\u00e9placer, a expliqu\u00e9 M. Zheng. Elles disposent \u00e9galement de cellules sp\u00e9cialis\u00e9es capables de d\u00e9livrer jusqu\u2019\u00e0 500 volts pour dissuader les pr\u00e9dateurs. Ces observations biologiques ont inspir\u00e9 les chercheurs \u00e0 d\u00e9velopper de nouvelles m\u00e9thodes de fabrication de structures tridimensionnelles aux applications polyvalentes, mais d\u2019autres m\u00e9thodes \u00e9mergentes pr\u00e9sentent des limites.<\/p>","protected":false},"excerpt":{"rendered":"

Recently, researchers at the University of Missouri in the United States have developed a method that can make complex devices with a variety of materials, including plastics, metals and semiconductors, with just one machine. The study, recently published in Nature Communications, outlines a new 3D printing and laser process for making multi-material, multi-layer sensors, circuit […]\n","protected":false},"author":1,"featured_media":2290,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","tags":[],"news-category":[71],"class_list":["post-2289","news","type-news","status-publish","has-post-thumbnail","hentry","news-category-industry-news"],"yoast_head":"\nLaser 3D printer, an "all-round player" in the industry - BestLaser<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bestlasercuttingmachine.com\/fr\/actualites\/limprimante-3d-laser-un-acteur-polyvalent-du-secteur\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Laser 3D printer, an "all-round player" in the industry - BestLaser\" \/>\n<meta property=\"og:description\" content=\"Recently, researchers at the University of Missouri in the United States have developed a method that can make complex devices with a variety of materials, including plastics, metals and semiconductors, with just one machine. 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