{"id":37011,"date":"2024-12-19T16:29:05","date_gmt":"2024-12-19T16:29:05","guid":{"rendered":"https:\/\/3d.ricoh.com\/un-livre-blanc-presente-une-avancee-dans-le-domaine-du-polypropylene\/"},"modified":"2024-12-19T16:29:08","modified_gmt":"2024-12-19T16:29:08","slug":"un-livre-blanc-presente-une-avancee-dans-le-domaine-du-polypropylene","status":"publish","type":"post","link":"https:\/\/3d.ricoh.com\/fr\/un-livre-blanc-presente-une-avancee-dans-le-domaine-du-polypropylene\/","title":{"rendered":"Un livre blanc pr\u00e9sente une avanc\u00e9e dans le domaine du polypropyl\u00e8ne"},"content":{"rendered":"\n<p>Deux entreprises de fabrication additive collaborent pour am\u00e9liorer la qualit\u00e9 esth\u00e9tique des pi\u00e8ces imprim\u00e9es en 3D en polypropyl\u00e8ne et obtenir une finition semblable \u00e0 celle d&rsquo;un moulage par injection, comme le r\u00e9v\u00e8le un nouveau livre blanc.<\/p>\n\n<p>\nLa collaboration entre Ricoh 3D et Additive\nManufacturing Technologies (AMT) permettra d&rsquo;utiliser le polypropyl\u00e8ne dans un plus grand nombre d&rsquo;industries gr\u00e2ce \u00e0 de nouvelles innovations en mati\u00e8re de lissage.  <\/p>\n\n<p>La recherche met en \u00e9vidence le succ\u00e8s de la nouvelle solution d\u00e9velopp\u00e9e, qui est une version modifi\u00e9e de la technologie PostPro3D existante d&rsquo;AMT, pour les pi\u00e8ces imprim\u00e9es en 3D en polypropyl\u00e8ne. Les r\u00e9sultats comprennent des am\u00e9liorations spectaculaires des caract\u00e9ristiques m\u00e9caniques et de surface lorsque le processus de lissage a \u00e9t\u00e9 utilis\u00e9 sur des pi\u00e8ces imprim\u00e9es en 3D dans le mat\u00e9riau pp recherch\u00e9 de Ricoh.   <\/p>\n\n<p>Les pi\u00e8ces 3D fritt\u00e9es au laser de Ricoh ont \u00e9t\u00e9 utilis\u00e9es pour l&rsquo;\u00e9valuation\n. AMT a d\u00e9velopp\u00e9 son processus de lissage pour am\u00e9liorer la qualit\u00e9 de\nles pi\u00e8ces et r\u00e9duire les d\u00e9lais et les co\u00fbts de production.<\/p>\n\n<p>Les normes m\u00e9dicales exigent que certains dispositifs d&rsquo;administration de m\u00e9dicaments\nou certaines pi\u00e8ces en contact avec le corps humain aient une finition lisse, afin d&#8217;emp\u00eacher\nla croissance de micro-organismes \u00e0 la surface de la pi\u00e8ce. Le polypropyl\u00e8ne est un mat\u00e9riau\nparticuli\u00e8rement polyvalent gr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s de l\u00e9g\u00e8ret\u00e9, de flexibilit\u00e9 et d&rsquo;\u00e9tanch\u00e9it\u00e9,\nmais son utilisation \u00e9tait limit\u00e9e dans certaines applications en raison de sa surface granuleuse\n. <\/p>\n\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/mk0ricohvwo21vo2tvf.kinstacdn.com\/wp-content\/uploads\/2020\/08\/A9R1yoxjx3_19e925n_mps-300x300.jpg\" alt=\"comparaison entre l'unpolypropyl&#xE8;ne et le polypropyl&#xE8;ne\" class=\"wp-image-15284\" srcset=\"https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R1yoxjx3_19e925n_mps-300x300.jpg 300w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R1yoxjx3_19e925n_mps-150x150.jpg 150w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R1yoxjx3_19e925n_mps-200x200.jpg 200w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R1yoxjx3_19e925n_mps-100x100.jpg 100w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R1yoxjx3_19e925n_mps.jpg 574w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<p>Tout cela est cependant sur le point de changer, gr\u00e2ce au processus innovant de lissage d&rsquo;AMT (\n), qui permet d&rsquo;obtenir des surfaces d&rsquo;une qualit\u00e9 comparable \u00e0 celle d&rsquo;une pi\u00e8ce moul\u00e9e par injection. Les tests effectu\u00e9s sur le site\nont montr\u00e9 que la rugosit\u00e9 de la surface des pi\u00e8ces trait\u00e9es diminuait consid\u00e9rablement, avec une r\u00e9duction d&rsquo;environ 95 % sur le site\n, ce qui donne un aspect visuel tr\u00e8s esth\u00e9tique. <\/p>\n\n<p>D&rsquo;un point de vue m\u00e9canique, l&rsquo;allongement moyen \u00e0 la rupture des pi\u00e8ces transform\u00e9es \u00e9tait jusqu&rsquo;\u00e0 quatre fois sup\u00e9rieur \u00e0 celui des pi\u00e8ces non transform\u00e9es.<\/p>\n\n<p>Ricoh consid\u00e8re ces d\u00e9veloppements comme essentiels pour la croissance future du polypropyl\u00e8ne en tant que mat\u00e9riau de fabrication additive, et pr\u00e9voit de tester avec AMT les r\u00e9glementations relatives aux applications m\u00e9dicales et au contact alimentaire lors de la prochaine phase de recherche.<\/p>\n\n<p>Le livre blanc complet est disponible <a href=\"https:\/\/amtechnologies.com\/whitepapers\/new-process-to-smooth-polypropylene-3d-printed-parts\/\">ici.<\/a><\/p>\n\n<p>Mark Dickin, directeur de la fabrication additive et de l&rsquo;ing\u00e9nierie de moulage\nchez Ricoh 3D, a d\u00e9clar\u00e9 : \u00ab\u00a0Nous pensons qu&rsquo;il s&rsquo;agit d&rsquo;un grand pas en avant pour notre mat\u00e9riau polypropyl\u00e8ne : \u00ab\u00a0Nous pensons qu&rsquo;il s&rsquo;agit d&rsquo;un grand pas en avant pour notre mat\u00e9riau polypropyl\u00e8ne\n, car il ouvre de nouvelles possibilit\u00e9s d&rsquo;utilisation dans un large \u00e9ventail d&rsquo;industries\net d&rsquo;applications finales pour lesquelles une surface lisse est essentielle.<\/p>\n\n<p>\u00ab\u00a0Notre polypropyl\u00e8ne est extr\u00eamement populaire car il est r\u00e9sistant \u00e0 la fatigue,\ndurable et chimiquement r\u00e9sistant, ce qui le rend comparable \u00e0 la pi\u00e8ce finale.  <\/p>\n\n<p>\u00ab\u00a0Quelles que soient la forme et la taille, nous sommes d\u00e9sormais en mesure d&rsquo;offrir un lissage coh\u00e9rent de l&rsquo;ensemble de la pi\u00e8ce (\n). D&rsquo;autres technologies, telles que le vibro-lissage\n, ne peuvent lisser que les surfaces ext\u00e9rieures de la pi\u00e8ce. <\/p>\n\n<p>\u00ab\u00a0Du point de vue de l&rsquo;esth\u00e9tique, de la rugosit\u00e9 de la surface et de la performance,\n, nous avons constat\u00e9 une am\u00e9lioration significative des r\u00e9sultats gr\u00e2ce au processus de lissage nouvellement d\u00e9velopp\u00e9 par AMT et brevet\u00e9 (\n), sans effets pr\u00e9judiciables sur d&rsquo;autres propri\u00e9t\u00e9s (\n) telles que la r\u00e9sistance \u00e0 la traction et le module de r\u00e9sistance \u00e0 la traction\u00a0\u00bb.<\/p>\n\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/mk0ricohvwo21vo2tvf.kinstacdn.com\/wp-content\/uploads\/2020\/08\/A9R15taovl_19e925k_mps-300x300.jpg\" alt=\"polypropyl&#xE8;ne image1\" class=\"wp-image-15289\" srcset=\"https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R15taovl_19e925k_mps-300x300.jpg 300w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R15taovl_19e925k_mps-150x150.jpg 150w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R15taovl_19e925k_mps-200x200.jpg 200w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R15taovl_19e925k_mps-100x100.jpg 100w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2020\/08\/A9R15taovl_19e925k_mps.jpg 399w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<p>La technologie de lissage d&rsquo;AMT est un processus d&rsquo;ing\u00e9nierie de surface pour les polym\u00e8res, qui \u00e9limine les imperfections de surface des pi\u00e8ces, y compris les g\u00e9om\u00e9tries complexes avec des cavit\u00e9s internes et d&rsquo;autres structures internes non visibles.<\/p>\n\n<p>Giorgio Ioannides, responsable du d\u00e9veloppement commercial \u00e0\nAdditive Manufacturing Technologies, a d\u00e9clar\u00e9 : \u00ab\u00a0AMT consid\u00e8re le polypropyl\u00e8ne pour\nles technologies de fusion en lit de poudre comme un mat\u00e9riau cl\u00e9 pour la croissance de la fabrication additive\n, ce qui a inspir\u00e9 nos recherches sur un nouveau processus innovant pour le lissage de\n\u00ab\u00a0. Le polypropyl\u00e8ne blanc cass\u00e9 translucide et polyvalent de Ricoh est l&rsquo;un des\npolym\u00e8res les plus couramment utilis\u00e9s dans l&rsquo;industrie manufacturi\u00e8re. Notre proc\u00e9d\u00e9 a montr\u00e9\nqu&rsquo;il est possible d&rsquo;am\u00e9liorer consid\u00e9rablement les performances m\u00e9caniques et\nles caract\u00e9ristiques de surface des pi\u00e8ces, ce qui constitue un d\u00e9veloppement tr\u00e8s int\u00e9ressant pour\nl&rsquo;industrie.\u00a0\u00bb  <\/p>\n\n<p>Ricoh 3D est un v\u00e9ritable fabricant de bout en bout, qui prend en charge les produits tout au long de leur cycle de d\u00e9veloppement, qu&rsquo;il s&rsquo;agisse d&rsquo;une ou d&rsquo;un million de pi\u00e8ces. Pour plus d&rsquo;informations, visitez notre page <a href=\"https:\/\/3d.ricoh.com\/about-ricoh\/\">\u00c0 propos de nous<\/a> et obtenez un devis d&rsquo;impression 3D instantan\u00e9 d\u00e8s aujourd&rsquo;hui. <\/p>\n\n<p><strong>\u00c0 propos de\nRicoh<\/strong><\/p>\n\n<p>Ricoh 3D favorise les lieux de travail num\u00e9riques gr\u00e2ce \u00e0 des technologies et des services innovants qui permettent aux individus de travailler plus intelligemment. Depuis plus de 80 ans, Ricoh stimule l&rsquo;innovation et est l&rsquo;un des principaux fournisseurs de solutions de gestion de documents, de services informatiques, de services de communication, d&rsquo;impression commerciale et industrielle, d&rsquo;appareils photo num\u00e9riques et de syst\u00e8mes industriels. <\/p>\n\n<p>Le groupe Ricoh, dont le si\u00e8ge social se trouve \u00e0 Tokyo, est pr\u00e9sent dans environ 200 pays et r\u00e9gions. Au cours de l&rsquo;exercice clos en mars 2020, le groupe Ricoh a r\u00e9alis\u00e9 un chiffre d&rsquo;affaires mondial de 2 008 milliards de yens (environ 18,5 milliards de dollars am\u00e9ricains).   <\/p>\n\n<p><strong>\u00c0 propos d&rsquo;AMT<\/strong><\/p>\n\n<p>Fond\u00e9e en 2017, AMT a son si\u00e8ge au Royaume-Uni (Sheffield), avec une port\u00e9e mondiale gr\u00e2ce \u00e0 des installations aux \u00c9tats-Unis (Austin, Texas) et en Europe continentale (Veszprem, Hongrie), ainsi qu&rsquo;\u00e0 des partenariats de collaboration \u00e0 travers le monde. La technologie d&rsquo;AMT est d\u00e9velopp\u00e9e \u00e0 l&rsquo;intersection de la science des mat\u00e9riaux, de la chimie, de l&rsquo;ing\u00e9nierie mat\u00e9rielle, de la robotique et de l&rsquo;apprentissage automatique. L&rsquo;objectif est de fournir des solutions de fabrication additive industrialis\u00e9es, s\u00fbres, durables et \u00e9conomiquement favorables, qui offrent des alternatives r\u00e9elles et viables \u00e0 la fabrication traditionnelle. Pour plus d&rsquo;informations, consultez le <a href=\"https:\/\/amtechnologies.com\/company\/about\">site web d&rsquo;AMT<\/a>.    <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deux entreprises de fabrication additive collaborent pour am\u00e9liorer la qualit\u00e9 esth\u00e9tique des pi\u00e8ces imprim\u00e9es en 3D en polypropyl\u00e8ne et obtenir une finition semblable \u00e0 celle d&rsquo;un moulage par injection, comme le r\u00e9v\u00e8le un nouveau livre blanc. La collaboration entre Ricoh 3D et Additive Manufacturing Technologies (AMT) permettra d&rsquo;utiliser le polypropyl\u00e8ne dans un plus grand nombre [&hellip;]<\/p>\n","protected":false},"author":267,"featured_media":15297,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[111],"tags":[],"class_list":["post-37011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ricoh 3D - Actualit\u00e9s et \u00e9v\u00e9nements - Livre blanc Perc\u00e9e du polypropyl\u00e8ne<\/title>\n<meta name=\"description\" content=\"La collaboration entre Ricoh 3D et Additive Manufacturing Technologies (AMT) permettra d&#039;utiliser le polypropyl\u00e8ne dans un plus grand nombre d&#039;industries.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/3d.ricoh.com\/fr\/un-livre-blanc-presente-une-avancee-dans-le-domaine-du-polypropylene\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ricoh 3D - 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