{"id":24100,"date":"2023-09-08T13:35:17","date_gmt":"2023-09-08T13:35:17","guid":{"rendered":"https:\/\/staging.xometry.pro\/articles\/3d-printing-mjf-overview\/"},"modified":"2025-07-15T11:37:40","modified_gmt":"2025-07-15T09:37:40","slug":"impression-3d-mjf-technologie","status":"publish","type":"articles","link":"https:\/\/staging.xometry.pro\/fr\/articles\/impression-3d-mjf-technologie\/","title":{"rendered":"Multi Jet Fusion (MJF) : aper\u00e7u d\u2019une technologie d\u2019impression 3D"},"content":{"rendered":"<div role=\"navigation\" aria-label=\"Table des mati\u00e8res\" class=\"simpletoc wp-block-simpletoc-toc\"><h2 class=\"simpletoc-title\">Table des mati\u00e8res<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#h-comment-fonctionne-mjf\">Comment fonctionne MJF ?<\/a>\n<\/li>\n<li><a href=\"#h-materiaux-pour-l-impression-3d-mjf\">Mat\u00e9riaux pour l\u2019impression 3D MJF<\/a>\n<\/li>\n<li><a href=\"#h-avantages-de-la-technologie-mjf-en-impression-3d\">Avantages de la technologie MJF en impression 3D<\/a>\n<\/li>\n<li><a href=\"#h-desavantages-de-la-technologie-mjf-en-impression-3d\">D\u00e9savantages de la technologie MJF en impression 3D<\/a>\n<\/li>\n<li><a href=\"#h-services-d-impression-3d-mjf-de-xometry\">Services d\u2019impression 3D MJF de Xometry<\/a>\n<\/li>\n<li><a href=\"#h-guide-de-conception-pour-hp-multi-jet-fusion\">Guide de conception pour HP Multi Jet Fusion<\/a>\n<\/li><\/ul><\/div>\n\n\n<p class=\"wp-block-paragraph\">La technologie <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-multi-jet-fusion\/\" target=\"_blank\" rel=\"noreferrer noopener\">HP Multi Jet Fusion (MJF)<\/a> est l\u2019une des technologies d\u2019impression 3D les plus commun\u00e9ment utilis\u00e9es pour imprimer des pi\u00e8ces extr\u00eamement durables et d\u2019une grande exactitude. Compar\u00e9e aux proc\u00e9d\u00e9s similaires bas\u00e9s sur lit de mati\u00e8re pulv\u00e9rulente en fusion (comme le <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-frittage-selectif-par-laser-sls\/\" target=\"_blank\" rel=\"noreferrer noopener\">frittage s\u00e9lectif par laser ou SLS)<\/a>, La technologie MJF permet de r\u00e9aliser davantage d\u2019\u00e9conomies d\u2019\u00e9chelle. Les pi\u00e8ces obtenues sont largement employ\u00e9es en tant que prototypes, ou directement en application finale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comment-fonctionne-mjf\"><strong><strong>Comment fonctionne MJF ?<\/strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le proc\u00e9d\u00e9 Multi Jet Fusion est une technologie de fabrication additive qui permet de produire des pi\u00e8ces pr\u00e9cises, r\u00e9sistantes et sans structures de support. Voici les principales \u00e9tapes du processus d\u2019impression MJF :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Application de la poudre \u2013 <\/strong>Une fine couche de poudre polym\u00e8re est r\u00e9partie uniform\u00e9ment sur la plateforme d\u2019impression.<\/li>\n\n\n\n<li><strong>D\u00e9p\u00f4t des agents \u2013 <\/strong>Le syst\u00e8me de jets d\u2019encre applique deux agents liquides :\n<ul class=\"wp-block-list\">\n<li>Un agent de fusion, qui d\u00e9finit les zones \u00e0 solidifier,<\/li>\n\n\n\n<li>Un agent de d\u00e9tail, qui emp\u00eache toute fusion ind\u00e9sirable et am\u00e9liore la pr\u00e9cision des contours.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Fusion thermique \u2013 <\/strong>Une source de chaleur passe au-dessus du lit de poudre, provoquant la fusion des zones ayant re\u00e7u l\u2019agent de fusion. Les zones avec l\u2019agent de d\u00e9tail restent en poudre, garantissant une grande pr\u00e9cision dimensionnelle et des propri\u00e9t\u00e9s m\u00e9caniques isotropes.<\/li>\n\n\n\n<li><strong>Construction couche par couche \u2013 <\/strong>Apr\u00e8s chaque fusion, le lit d\u2019impression s\u2019abaisse de 80 microns, et une nouvelle couche de poudre est appliqu\u00e9e. Le processus se r\u00e9p\u00e8te jusqu&rsquo;\u00e0 l&rsquo;obtention de la pi\u00e8ce finale. La poudre environnante agit comme un support naturel, \u00e9liminant ainsi le besoin de structures de soutien.<\/li>\n\n\n\n<li><strong>Refroidissement et post-traitement \u2013 <\/strong>Une fois l\u2019impression termin\u00e9e, la chambre de fabrication doit refroidir afin de pr\u00e9venir toute d\u00e9formation des pi\u00e8ces. Ensuite, les pi\u00e8ces sont extraites et l\u2019exc\u00e9dent de poudre est r\u00e9cup\u00e9r\u00e9 pour \u00eatre r\u00e9utilis\u00e9, r\u00e9duisant ainsi les d\u00e9chets. Selon les besoins, des post-traitements comme le lissage par vapeur, la teinture ou la sablage peuvent \u00eatre appliqu\u00e9s pour am\u00e9liorer l\u2019aspect et la finition des pi\u00e8ces.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Gr\u00e2ce \u00e0 sa rapidit\u00e9 et sa capacit\u00e9 \u00e0 produire des g\u00e9om\u00e9tries complexes avec une excellente r\u00e9p\u00e9tabilit\u00e9, le proc\u00e9d\u00e9 MJF est id\u00e9al pour les prototypes fonctionnels et la production en petites s\u00e9ries.<\/p>\n\n\n<div id=\"iAGqbhPeDLA-6a25ae9593d01\" data-video-id=\"iAGqbhPeDLA\" class=\"ma-gdpr-youtube-wrapper\" style=\"width:100%;height:56.25%;padding-top:56.25%;\" data-new-window=\"\" data-yt-parameters=\"WyJtYXgtd2lkdGg9XHUyMDFjNzAwcHhcIiJd\"><picture class=\"ma-gdpr-youtube-thumbnail\"><source media=\"(min-width:640px)\" type=\"image\/webp\" srcset=\"\/\/staging.xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/iAGqbhPeDLA\/iAGqbhPeDLA_hq720.webp\"><source media=\"(min-width:640px)\" type=\"image\/jpeg\" srcset=\"\/\/staging.xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/iAGqbhPeDLA\/iAGqbhPeDLA_hq720.jpg\"><source media=\"(min-width:320px)\" type=\"image\/webp\" srcset=\"\/\/staging.xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/iAGqbhPeDLA\/iAGqbhPeDLA_sddefault.webp\"><source media=\"(min-width:320px)\" type=\"image\/jpeg\" srcset=\"\/\/staging.xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/iAGqbhPeDLA\/iAGqbhPeDLA_sddefault.jpg\"><source media=\"(min-width:240px)\" type=\"image\/webp\" srcset=\"\/\/staging.xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/iAGqbhPeDLA\/iAGqbhPeDLA_hqdefault.webp\"><source media=\"(min-width:240px)\" type=\"image\/jpeg\" srcset=\"\/\/staging.xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/iAGqbhPeDLA\/iAGqbhPeDLA_hqdefault.jpg\"><img decoding=\"async\" src=\"\/\/staging.xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/iAGqbhPeDLA\/iAGqbhPeDLA_mqdefault.jpg\" alt=\"\" title=\"\"><\/picture><svg class=\"ma-gdpr-youtube-button\"><use xlink:href=\"#ma-gdpr-youtube-play-button\"><\/use><\/svg><div class=\"ma-gdpr-youtube-notice\" style=\"font-size:.7em;\"><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-materiaux-pour-l-impression-3d-mjf\"><strong>Mat\u00e9riaux pour l\u2019impression 3D MJF<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le mat\u00e9riaux plastiques utilis\u00e9s pour l\u2019impression 3D MJF se r\u00e9partissent en 2 cat\u00e9gories :\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Les plastiques rigides : <\/strong>Nylon PA11, Nylon PA12, PP<\/li>\n\n\n\n<li><strong>Les plastiques flexibles :<\/strong> Estane 3D TPU M95A<\/li>\n<\/ul>\n\n\n    <section class=\"article-slider-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <!-- Swiper -->\r\n            <div class=\"swiper mySwiper2 article-slider-display\">\r\n                <div class=\"swiper-wrapper\">\r\n                                                <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/07\/mjf-pa12-natural-front-sample-part-xometry-1440x1153-1.webp\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/07\/mjf-pa12-natural-front-sample-part-xometry-1440x1153-1.webp\" data-fancybox=\"gallery\" data-caption=\"MJF PA 12 naturel\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/07\/mjf-pa12-natural-front-sample-part-xometry-1440x1153-1.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p>MJF PA 12 naturel<\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n              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class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p>PA 12 blanc apr\u00e8s tribonifition<\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/MJF-PA12-Flame-Red-RAL-3000.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/MJF-PA12-Flame-Red-RAL-3000.jpg\" data-fancybox=\"gallery\" data-caption=\"MJF PA12 rouge\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/MJF-PA12-Flame-Red-RAL-3000.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p>MJF PA12 rouge<\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/MJF-PA12-Violet-Blue-RAL-5000.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/MJF-PA12-Violet-Blue-RAL-5000.jpg\" data-fancybox=\"gallery\" data-caption=\"MJF PA12 bleu\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/MJF-PA12-Violet-Blue-RAL-5000.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p>MJF PA12 bleu<\/p>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                            <\/div>\r\n            <\/div>\r\n            <div thumbsSlider=\"\" class=\"swiper mySwiper article-slider-list\">\r\n                <div class=\"swiper-wrapper\">\r\n                                            <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/07\/mjf-pa12-natural-front-sample-part-xometry-1440x1153-1.webp\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/07\/mjf-pa12-media-tumbled-white-front.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/MJF-PA12-Flame-Red-RAL-3000.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/MJF-PA12-Violet-Blue-RAL-5000.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                        <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n    \n\n\n<h2 class=\"wp-block-heading\" id=\"h-avantages-de-la-technologie-mjf-en-impression-3d\"><strong>Avantages de la technologie MJF en impression 3D<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La technologie MJF est l\u2019une des technologies d\u2019impression 3D les plus populaires pour la r\u00e9alisation de prototypes et les productions \u00e0 faible volume. Cependant, en raison de l\u2019efficacit\u00e9 dont elle fait preuve \u00e9galement sur des \u00e9chelles plus grandes, elle est aussi utilis\u00e9e pour les productions \u00e0 volume interm\u00e9diaire. Certains avantages, qui lui sont propres, en font une technologie d\u2019impression 3D unique en son genre.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-les-impressions-mjf-ne-necessitent-pas-de-structures-de-maintien\"><strong>Les impressions MJF ne n\u00e9cessitent pas de structures de maintien<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La technologie d\u2019impression 3D MJF faisant partie de la famille des technologies de fabrication additive bas\u00e9es sur lit de mati\u00e8re pulv\u00e9rulente en fusion, les pi\u00e8ces r\u00e9alis\u00e9es ne n\u00e9cessitent aucune structure de maintien : au cours de l\u2019impression, les espaces vides sont naturellement combl\u00e9s par la poudre restante. En d\u2019autres mots, les impressions MJF se supportent elles-m\u00eames, ce qui en fait un proc\u00e9d\u00e9 de choix pour r\u00e9aliser des ouvrages complexes, qui pourront m\u00eame \u00eatre imprim\u00e9s d\u2019un seul tenant (contrairement \u00e0 des proc\u00e9d\u00e9s comme l\u2019impression <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-depot-de-fil-fondu-fdm\/\" target=\"_blank\" rel=\"noreferrer noopener\">FDM<\/a>, o\u00f9 les diff\u00e9rentes parties devront \u00eatre imprim\u00e9es s\u00e9par\u00e9ment).<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 id=\"la-technologie-mjf-permet-dimprimer-directement-en-couleur\" class=\"wp-block-heading\"><strong>La technologie MJF permet d\u2019imprimer directement en couleur<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La technologie Multi Jet Fusion est l\u2019une des rares permettant une impression en couleur des plastiques de qualit\u00e9 industrielle (Nylon 12). Il est en effet possible, gr\u00e2ce \u00e0 cette technologie, de produire des pi\u00e8ces compl\u00e8tement fonctionnelles, toutes en couleur et qui conservent des propri\u00e9t\u00e9s m\u00e9caniques optimales. La nature indirecte du proc\u00e9d\u00e9 lui permet de reproduire toutes les couleurs du spectre \u00e0 l\u2019aide d\u2019un syst\u00e8me de <a href=\"https:\/\/garage.hp.com\/us\/en\/innovation\/meet-the-voxel-3d-printing-building-blocks.html\" target=\"_blank\" rel=\"noreferrer noopener\">contr\u00f4le voxel<\/a>. La reproduction des couleurs est aussi beaucoup plus exacte.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/09\/Part-printed-in-full-colour-with-MJF-1024x683.jpeg\" alt=\"Part printed in full colour with MJF\" class=\"wp-image-1898\" style=\"max-width:396px;max-height:264px\" srcset=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/09\/Part-printed-in-full-colour-with-MJF-1024x683.jpeg 1024w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/09\/Part-printed-in-full-colour-with-MJF-300x200.jpeg 300w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/09\/Part-printed-in-full-colour-with-MJF-768x512.jpeg 768w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/09\/Part-printed-in-full-colour-with-MJF.jpeg 1440w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/09\/Part-printed-in-full-colour-with-MJF.jpeg\" data-fancybox=\"gallery-24100\" data-caption=\"Part printed in full colour with MJF\" aria-label=\"Open full image\"><img src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/09\/Part-printed-in-full-colour-with-MJF.jpeg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Part printed in full colour with MJF<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-technologie-mjf-offre-de-bonnes-proprietes-mecaniques-et-physiques-nbsp\"><strong>La technologie MJF offre de bonnes propri\u00e9t\u00e9s m\u00e9caniques et physiques <\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La technologie MJF permet d\u2019imprimer des pi\u00e8ces avec une \u00e9paisseur de couche extraordinairement fine (80 microns). Les pi\u00e8ces r\u00e9sultantes b\u00e9n\u00e9ficient alors d\u2019une porosit\u00e9 minimale, doubl\u00e9e d\u2019une haute densit\u00e9, leur conf\u00e9rant une excellente r\u00e9solution et une bonne exactitude dimensionnelle. De plus, l\u2019\u00e9tat de surface des pi\u00e8ces est naturellement tr\u00e8s bon. Toutes ces caract\u00e9ristiques font de la technologie Multi Jet Fusion un candidat id\u00e9al pour la r\u00e9alisation de prototypes fonctionnels ou de produits finis fabriqu\u00e9s en lots de taille r\u00e9duite. Les impressions MJF sont hautement isotropes, avec une r\u00e9sistance m\u00e9canique constante, quelle que soit la direction consid\u00e9r\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-technologie-mjf-beneficie-d-un-bon-rapport-qualite-prix\"><strong>La technologie MJF b\u00e9n\u00e9ficie d\u2019un bon rapport qualit\u00e9-prix<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00eame si la technologie FDM constitue toujours une alternative meilleure march\u00e9, l\u2019exactitude dimensionnelle et les propri\u00e9t\u00e9s m\u00e9caniques des pi\u00e8ces imprim\u00e9es via MJF sont sans comparaison, et pour un prix, somme toute, relativement \u00e9quivalent. Les pi\u00e8ces MJF sortant d\u2019impression d\u00e9j\u00e0 color\u00e9es et avec un bon \u00e9tat de surface, l\u2019ajout d\u2019op\u00e9rations suppl\u00e9mentaires en post-usinage n\u2019est pas n\u00e9cessaire, ce qui permet des \u00e9conomies substantielles sur tout ce qui a trait \u00e0 la teinture ou aux traitements de surface.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-technologie-mjf-beneficie-de-courts-delais-d-executions\"><strong>La technologie MJF b\u00e9n\u00e9ficie de courts d\u00e9lais d\u2019ex\u00e9cutions<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En termes de vitesse d\u2019impression, le proc\u00e9d\u00e9 MJF est encore plus rapide que la technologie SLS. Les mati\u00e8res poudreuses compatibles sont ais\u00e9ment disponibles et la technologie, gr\u00e2ce \u00e0 la possibilit\u00e9 qu\u2019elle offre d\u2019imprimer plusieurs pi\u00e8ces en m\u00eame temps, est mieux adapt\u00e9e \u00e0 la fabrication de plus gros volumes que ses homologues. Elle est d\u2019ailleurs \u00e9galement utilis\u00e9e pour l\u2019impression de lots de taille interm\u00e9diaire.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-les-impressions-mjf-produisent-moins-de-dechets\"><strong>Les impressions MJF produisent moins de d\u00e9chets<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gr\u00e2ce au nettoyage effectu\u00e9 par la station de traitement (qui proc\u00e8de aussi \u00e0 l\u2019aspiration des poudres en exc\u00e8s, pour une utilisation ult\u00e9rieure), les imprimantes 3D MJF permettent de r\u00e9cup\u00e9rer plus de 50% du mat\u00e9riaux utilis\u00e9 au cours d\u2019une impression. Moins de d\u00e9chets \u00e9quivaut \u00e0 une meilleure conservation des mati\u00e8res poudreuses, tout en diminuant les dommages faits \u00e0 l\u2019environnement.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/full-colour-3d-printing-mjf-options-1024x683.jpg\" alt=\"Full colour 3D printing MJF options\" class=\"wp-image-1541\" style=\"max-width:840px;height:auto\" srcset=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/full-colour-3d-printing-mjf-options-1024x683.jpg 1024w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/full-colour-3d-printing-mjf-options-300x200.jpg 300w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/full-colour-3d-printing-mjf-options-768x512.jpg 768w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/full-colour-3d-printing-mjf-options.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/full-colour-3d-printing-mjf-options.jpg\" data-fancybox=\"gallery-24100\" data-caption=\"Impression 3D en couleur MJF\" aria-label=\"Open full image\"><img src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/08\/full-colour-3d-printing-mjf-options.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Impression 3D en couleur MJF<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-desavantages-de-la-technologie-mjf-en-impression-3d\"><strong>D\u00e9savantages de la technologie MJF en impression 3D<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Malgr\u00e9 ses avantages, la technologie MJF pr\u00e9sente \u00e9galement un petit nombre d\u2019inconv\u00e9nients :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-technologie-mjf-offre-un-choix-restreint-de-materiaux-d-impression\"><strong>La technologie MJF offre un choix restreint de mat\u00e9riaux d\u2019impression<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les impressions MJF ne peuvent \u00eatre effectu\u00e9es qu\u2019avec des poudres au nylon (PA 11, PA 12), au PP et au TPU. En comparaison, la technologie FDM offre bien plus d\u2019options : ABS, PETG, PLA, etc&#8230; D\u2019autres imprimantes permettent \u00e9galement l\u2019utilisation de mat\u00e9riaux de qualit\u00e9 alimentaire. N\u00e9anmoins, si l\u2019on parvient \u00e0 faire correspondre un mat\u00e9riau compatible avec les exigences du projet concern\u00e9, la technologie MJF demeure une option int\u00e9ressante.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-les-impressions-mjf-ont-une-surface-plus-rugueuse\"><strong>Les impressions MJF ont une surface plus rugueuse<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019\u00e9tat de surface des pi\u00e8ces obtenues via l\u2019impression 3D MJF est relativement bon, mais il demeure plus rugueux que les pi\u00e8ces obtenues via des proc\u00e9d\u00e9s alternatifs plus on\u00e9reux, comme la <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-stereolithographie-sla\/\" target=\"_blank\" rel=\"noreferrer noopener\">st\u00e9r\u00e9olithographie<\/a> ou l\u2019impression <a href=\"https:\/\/xometry.eu\/fr\/polyjet-impression-3d\/\" target=\"_blank\" rel=\"noreferrer noopener\">Polyjet<\/a>. Bien entendu, il est toujours possible d\u2019am\u00e9liorer le grain de surface par des traitements post-usinage (polissage, microbillage, voire fusion \u00e0 la vapeur) mais cela se traduira par des co\u00fbts et des d\u00e9lais de production accrus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-services-d-impression-3d-mjf-de-xometry\"><strong>Services d\u2019impression 3D MJF de Xometry<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Xometry Europe offre des services en ligne d\u2019impression 3D MJF pour vos projets d\u2019impression 3D \u00e0 la demande, qu\u2019il s\u2019agisse de prototypes ou de productions \u00e0 grande \u00e9chelle. Fort d\u2019un r\u00e9seau de plus de 2000 ateliers partenaires, r\u00e9partis dans toute l\u2019Europe, Xometry se fait fort de vous livrer vos pi\u00e8ces imprim\u00e9es en MJF en 3 jours seulement. Importez vos fichiers CAO sur notre <a href=\"https:\/\/get.xometry.eu\/?locale=fr\" target=\"_blank\" rel=\"noreferrer noopener\">plateforme de devis instantan\u00e9<\/a> pour obtenir un devis en quelques secondes et profitez des diff\u00e9rentes options disponibles pour l\u2019impression 3D MJF.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\" id=\"h-guide-de-conception-pour-hp-multi-jet-fusion\"><strong>Guide de conception pour HP Multi Jet Fusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e9l\u00e9chargez notre guide de conception pour HP Multi Jet Fusion afin d&rsquo;optimiser vos designs et r\u00e9duire le co\u00fbt de vos impressions 3D.<\/p>\n\n\n    <div class=\"button-block\" style=\"text-align: left\">\r\n        <a href=\"https:\/\/staging.xometry.pro\/fr\/guides\/ebook-mjf-guide-conception\/\" target=\"\" class=\"button-block__btn btn_blue\">\r\n                        T\u00e9l\u00e9charger le livre blanc                    <\/a>\r\n    <\/div>\r\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/staging.xometry.pro\/fr\/guides\/ebook-mjf-guide-conception\/\"><div class=\"wp-block-image__wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"726\" src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/12\/FR-mjf-guide-1024x726.png\" alt=\"\" class=\"wp-image-37814\" style=\"max-width:402px;height:auto\" srcset=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/12\/FR-mjf-guide-1024x726.png 1024w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/12\/FR-mjf-guide-300x213.png 300w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/12\/FR-mjf-guide-768x545.png 768w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/12\/FR-mjf-guide-1536x1090.png 1536w, https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/12\/FR-mjf-guide.png 1841w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/12\/FR-mjf-guide.png\" data-fancybox=\"gallery-24100\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/staging.xometry.pro\/wp-content\/uploads\/2023\/12\/FR-mjf-guide.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"author":50,"featured_media":8265,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[485],"class_list":["post-24100","articles","type-articles","status-publish","has-post-thumbnail","hentry","global-tag-impression-3d"],"acf":[],"_links":{"self":[{"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/articles\/24100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/articles"}],"about":[{"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/types\/articles"}],"author":[{"embeddable":true,"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/comments?post=24100"}],"version-history":[{"count":0,"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/articles\/24100\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/media\/8265"}],"wp:attachment":[{"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/media?parent=24100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/categories?post=24100"},{"taxonomy":"c-tag-articles","embeddable":true,"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/c-tag-articles?post=24100"},{"taxonomy":"global-tag","embeddable":true,"href":"https:\/\/staging.xometry.pro\/fr\/wp-json\/wp\/v2\/global-tag?post=24100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}