{"id":24145,"date":"2023-09-08T14:02:18","date_gmt":"2023-09-08T14:02:18","guid":{"rendered":"https:\/\/xometry.pro\/articles\/3d-printing-sls-overview\/"},"modified":"2025-11-10T12:43:16","modified_gmt":"2025-11-10T11:43:16","slug":"impression-3d-sls-technologie","status":"publish","type":"articles","link":"https:\/\/xometry.pro\/fr\/articles\/impression-3d-sls-technologie\/","title":{"rendered":"Impression 3D par frittage s\u00e9lectif par laser (SLS) : aper\u00e7u de la technologie"},"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-en-quoi-consiste-l-impression-3d\">En quoi consiste l\u2019impression 3D?<\/a>\n\n<\/li>\n<li><a href=\"#h-comment-fonctionne-l-impression-3d-sls\">Comment fonctionne l&rsquo;impression 3D SLS ?<\/a>\n\n<\/li>\n<li><a href=\"#h-materiaux-pour-l-impression-3d-sls\">Mat\u00e9riaux pour l&rsquo;impression 3D SLS<\/a>\n\n<\/li>\n<li><a href=\"#h-avantages-de-la-technologie-sls-en-impression-3d\">Avantages de la technologie SLS en impression 3D<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-inconvenients-de-la-technologie-sls-en-impression-3d\">Inconv\u00e9nients de la technologie SLS en impression 3D<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-services-d-impression-3d-sls-de-xometry\">Services d\u2019impression 3D SLS de Xometry<\/a>\n<\/li><\/ul><\/div>\n\n\n<p>Le <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-frittage-selectif-par-laser-sls\/\">frittage s\u00e9lectif par laser (SLS)<\/a> est une technologie de fabrication additive qui offre de nombreux avantages par rapport aux techniques de fabrication traditionnelles, tels que la possibilit\u00e9 de cr\u00e9er des formes complexes avec facilit\u00e9, une r\u00e9duction des d\u00e9chets et des temps de production plus rapides. Cette technologie a trouv\u00e9 des applications dans des industries telles que l&rsquo;a\u00e9rospatiale, l&rsquo;automobile et les soins de sant\u00e9, o\u00f9 la pr\u00e9cision et la personnalisation sont essentielles.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-en-quoi-consiste-l-impression-3d\"><strong>En quoi consiste l\u2019impression 3D?<\/strong><\/h2>\n\n\n<p>Le frittage s\u00e9lectif par laser appartient \u00e0 la cat\u00e9gorie de la fusion sur lit de poudre (PBF). L&rsquo;impression SLS consiste \u00e0 utiliser un laser haute puissance pour fritter de petites particules de poudre de polym\u00e8re en un produit bas\u00e9 sur un mod\u00e8le CAO 3D. Sa haute r\u00e9solution, sa productivit\u00e9 \u00e9lev\u00e9e et la facilit\u00e9 de disponibilit\u00e9 des mat\u00e9riaux font de la technologie SLS l&rsquo;outil id\u00e9al pour une gamme d&rsquo;applications allant du prototypage rapide \u00e0 l&rsquo;utilisation finale de pi\u00e8ces aux g\u00e9om\u00e9tries complexes.<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/fr\/articles\/format-de-fichier-cao-pour-la-fabrication\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2025\/04\/Frame-2608297-scaled.png\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/fr\/articles\/format-de-fichier-cao-pour-la-fabrication\/\" class=\"aside-link\">Choisir le bon format de fichier CAO pour la fabrication<\/a>    <\/aside>\r\n    \n\n<h2 class=\"wp-block-heading\" id=\"h-comment-fonctionne-l-impression-3d-sls\"><strong>Comment fonctionne l&rsquo;impression 3D SLS ?<\/strong><\/h2>\n\n\n<p>Le frittage s\u00e9lectif par laser consiste \u00e0 fusionner des couches de poudre de mat\u00e9riau (g\u00e9n\u00e9ralement d&rsquo;environ 0,1 mm d&rsquo;\u00e9paisseur), r\u00e9parties de mani\u00e8re homog\u00e8ne sur la surface de construction \u00e0 l&rsquo;aide d&rsquo;un rouleau niveleur tournant en sens inverse. La fabrication de la pi\u00e8ce se d\u00e9roule \u00e0 l&rsquo;int\u00e9rieur d&rsquo;une enceinte herm\u00e9tique remplie d&rsquo;azote ou d&rsquo;un autre gaz inerte, afin de minimiser l&rsquo;oxydation et la d\u00e9t\u00e9rioration de la poudre.<\/p>\n\n\n<div id=\"6AtlSN9ddek-69ea32598cffc\" data-video-id=\"6AtlSN9ddek\" class=\"ma-gdpr-youtube-wrapper\" style=\"width:100%;height:56.25%;padding-top:56.25%;\" data-new-window=\"\" data-yt-parameters=\"\"><picture class=\"ma-gdpr-youtube-thumbnail\"><source media=\"(min-width:640px)\" type=\"image\/webp\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/6AtlSN9ddek\/6AtlSN9ddek_hq720.webp\"><source media=\"(min-width:640px)\" type=\"image\/jpeg\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/6AtlSN9ddek\/6AtlSN9ddek_hq720.jpg\"><source media=\"(min-width:320px)\" type=\"image\/webp\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/6AtlSN9ddek\/6AtlSN9ddek_sddefault.webp\"><source media=\"(min-width:320px)\" type=\"image\/jpeg\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/6AtlSN9ddek\/6AtlSN9ddek_sddefault.jpg\"><source media=\"(min-width:240px)\" type=\"image\/webp\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/6AtlSN9ddek\/6AtlSN9ddek_hqdefault.webp\"><source media=\"(min-width:240px)\" type=\"image\/jpeg\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/6AtlSN9ddek\/6AtlSN9ddek_hqdefault.jpg\"><img decoding=\"async\" src=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/6AtlSN9ddek\/6AtlSN9ddek_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<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong><strong>\u00c9tape 1 \u2013 Pr\u00e9chauffage de la poudre<\/strong><\/strong><\/p>\n\n\n\n<p>La poudre, dispos\u00e9e sur la plateforme d\u2019impression, est d\u2019abord pr\u00e9chauff\u00e9e, puis maintenue juste sous la temp\u00e9rature de fusion (ou la temp\u00e9rature de transition vitreuse) du mat\u00e9riau qui la compose. Ce chauffage est effectu\u00e9 gr\u00e2ce \u00e0 un appareillage infra-rouge situ\u00e9 juste au-dessus de la plateforme.<\/p>\n\n\n\n<p><strong><strong>\u00c9tape 2 \u2013 Impression 3D SLS de la pi\u00e8ce \u00e0 haute temp\u00e9rature<\/strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Une fois la fine couche de mati\u00e8re convenablement dispos\u00e9e et pr\u00e9chauff\u00e9e, un faisceau concentr\u00e9 de laser au CO2 est dirig\u00e9 sur le lit de mati\u00e8re et contr\u00f4l\u00e9 au moyen de galvanom\u00e8tres, de fa\u00e7on \u00e0 op\u00e9rer une fusion thermique du mat\u00e9riau pour fa\u00e7onner, couche apr\u00e8s couche, la section transversale de la pi\u00e8ce, selon <a href=\"https:\/\/xometry.eu\/fr\/astuces-de-conception-pour-limpression-3d-par-fsl\/\" target=\"_blank\" rel=\"noreferrer noopener\">le mod\u00e8le CAO d\u2019origine<\/a>. L\u2019\u00e9paisseur de la couche de mati\u00e8re est d\u00e9finie \u00e0 l\u2019avance, dans le logiciel de d\u00e9coupage en tranches.<\/li>\n\n\n\n<li>La poudre restante d\u2019une couche demeure telle qu\u2019elle et sert de support \u00e0 la couche suivante, ce qui permet de se passer de structures de maintien.<\/li>\n\n\n\n<li>Une fois la couche actuelle termin\u00e9e, la plateforme d\u2019impression est abaiss\u00e9e d\u2019une hauteur correspondant \u00e0 l\u2019\u00e9paisseur de couche, avant d\u2019en disposer une nouvelle qui sera \u00e9tal\u00e9e gr\u00e2ce au rouleau de nivellement.<\/li>\n\n\n\n<li>Le laser au CO2 poursuit alors la construction de la section transversale. Le processus se poursuit jusqu\u2019\u00e0 ce que l\u2019int\u00e9gralit\u00e9 de la pi\u00e8ce soit achev\u00e9e.<\/li>\n<\/ul>\n\n\n\n<p><strong><strong>\u00c9tape 3 \u2013 Refroidissement et post-usinage de la pi\u00e8ce 3D SLS<\/strong><\/strong><\/p>\n\n\n\n<p>Finalement, la pi\u00e8ce achev\u00e9e est retir\u00e9e de la plateforme et la poudre restante est \u00e9vacu\u00e9e. Des op\u00e9rations de finition additionnelles sont alors effectu\u00e9es, le cas \u00e9ch\u00e9ant (teinture, coloration, finition de qualit\u00e9 alimentaire, grenaillage, etc&#8230;).<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-materiaux-pour-l-impression-3d-sls\"><strong>Mat\u00e9riaux pour l&rsquo;impression 3D SLS<\/strong><\/h2>\n\n\n<p>La technologie de frittage s\u00e9lectif par laser peut employer une vaste gamme de poudres thermoplastiques. Parmi les poudres thermoplastiques fr\u00e9quemment employ\u00e9es dans le frittage s\u00e9lectif par laser, on retrouve le polyamide (nylon), le polypropyl\u00e8ne et les \u00e9lastom\u00e8res thermoplastiques (TPE). Les mat\u00e9riaux SLS peuvent \u00eatre class\u00e9s en deux cat\u00e9gories principales :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Les mat\u00e9riaux rigides : <\/strong>PA 12 (ordinaire, <a href=\"https:\/\/xometry.pro\/fr\/materiaux\/nylon-12-arme-de-verre\/\">rempli de verre<\/a>,<a href=\"https:\/\/xometry.pro\/fr\/materiaux\/nylon-pa2241-flame-retardant-sls\/\"> ignifuge<\/a>, <a href=\"https:\/\/xometry.pro\/fr\/materiaux\/nylon-12-de-qualite-alimentaire-blanc\/\">qualit\u00e9 alimentaire<\/a>, <a href=\"https:\/\/xometry.pro\/fr\/materiaux\/nylon-12-alumide-gris\/\">rempli d&rsquo;aluminium)<\/a>, PA 11 (ordinaire, qualit\u00e9 alimentaire) et polypropyl\u00e8ne (PP)<\/li>\n\n\n\n<li><strong>Les mat\u00e9riaux<\/strong> <strong>flexibles :<\/strong> Flex TPU<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/xometry.pro\/fr\/materiaux\/nylon-pa-12-sls-mjf\/\">Le nylon PA12<\/a> est l\u2019un des mat\u00e9riaux d\u2019impression 3D les plus populaires : une mati\u00e8re plastique disposant de bonnes propri\u00e9t\u00e9s m\u00e9caniques (solidit\u00e9, r\u00e9sistance \u00e0 la traction, r\u00e9sistance aux impacts) et qui est aujourd\u2019hui une r\u00e9f\u00e9rence pour la technologie SLS.<\/p>\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:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/sls-tpu-black-front-sample-part-xometry-min-1440x1153-1.webp\" alt=\"SLS Esnek TPU\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/sls-tpu-black-front-sample-part-xometry-min-1440x1153-1.webp\" data-fancybox=\"gallery\" data-caption=\"SLS Flex TPU\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/sls-tpu-black-front-sample-part-xometry-min-1440x1153-1.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS Esnek TPU\" 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>SLS Flex TPU<\/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:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-media-tumbled-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS Nylon PA 12 tamburlanm\u0131\u015f y\u00fczey\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-media-tumbled-front-sample-part-xometry-1440x1153-1.webp\" data-fancybox=\"gallery\" data-caption=\"SLS Nylon PA 12 apr\u00e8s tribofinition\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-media-tumbled-front-sample-part-xometry-1440x1153-1.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS Nylon PA 12 tamburlanm\u0131\u015f y\u00fczey\" 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>SLS Nylon PA 12 apr\u00e8s tribofinition<\/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:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/sls-alumide-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS Alumide\u00ae \/ Nylon 12 (PA 12) al\u00fcminyum dolgulu\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/sls-alumide-front-sample-part-xometry-1440x1153-1.webp\" data-fancybox=\"gallery\" data-caption=\"SLS Alumide\u00ae \/ Nylon 12 (PA 12) charg\u00e9 en aluminium\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/sls-alumide-front-sample-part-xometry-1440x1153-1.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS Alumide\u00ae \/ Nylon 12 (PA 12) al\u00fcminyum dolgulu\" 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>SLS Alumide\u00ae \/ Nylon 12 (PA 12) charg\u00e9 en aluminium<\/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:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLS-Nylon-12-FR-Front-1440x960-1.jpg\" alt=\"SLS Nylon 12 alev geciktirici \/ PA 2241 FR\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLS-Nylon-12-FR-Front-1440x960-1.jpg\" data-fancybox=\"gallery\" data-caption=\"SLS Nylon 12 ingnifuge \/ PA 2241 FR\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLS-Nylon-12-FR-Front-1440x960-1.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS Nylon 12 alev geciktirici \/ PA 2241 FR\" 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>SLS Nylon 12 ingnifuge \/ PA 2241 FR<\/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:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/sls-tpu-black-front-sample-part-xometry-min-1440x1153-1.webp\" alt=\"SLS Esnek TPU\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-media-tumbled-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS Nylon PA 12 tamburlanm\u0131\u015f y\u00fczey\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/sls-alumide-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS Alumide\u00ae \/ Nylon 12 (PA 12) al\u00fcminyum dolgulu\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLS-Nylon-12-FR-Front-1440x960-1.jpg\" alt=\"SLS Nylon 12 alev geciktirici \/ PA 2241 FR\">\r\n                        <\/div>\r\n                                        <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n    \n\n<h2 class=\"wp-block-heading\" id=\"h-avantages-de-la-technologie-sls-en-impression-3d\"><strong>Avantages de la technologie SLS en impression 3D<\/strong><\/h2>\n\n\n<p>La technologie SLS est l\u2019une des m\u00e9thodes d\u2019impression 3D les plus fiables, pr\u00e9cises et rapides qui soient, aussi bien pour le prototypage, la production de lots de taille r\u00e9duite, mais aussi les applications de qualit\u00e9 industrielle. Un certain nombre d\u2019avantages rend en effet cette technologie unique :<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-l-impression-sls-ne-necessite-pas-de-structures-de-maintien\"><strong>L\u2019impression SLS ne n\u00e9cessite pas de structures de maintien<\/strong><\/h3>\n\n\n<p>Du fait de son appartenance \u00e0 la cat\u00e9gorie des technologies PBF, les impressions SLS ne n\u00e9cessitent aucune structure de maintien : au cours de l\u2019impression, les espaces vides sont occup\u00e9s par la poudre inutilis\u00e9e, ce qui rend les pi\u00e8ces imprim\u00e9es capables de se supporter elles-m\u00eames.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Par cons\u00e9quent, les mod\u00e8les comportant des espaces creux, des parties en surplomb ou des structures tr\u00e8s fines qui, habituellement, r\u00e9clament du support, ne sont plus un probl\u00e8me dans le cadre de l\u2019impression SLS. Ceci permet d\u2019offrir une grande libert\u00e9 de conception.<\/p>\n\n\n\n<p>Les pi\u00e8ces comportant des composants internes complexes ou des canaux peuvent \u00eatre construites sans compromettre le mod\u00e8le, car il n\u2019y a pas \u00e0 se soucier de leur fournir un maintien quelconque. La technologie SLS peut s\u2019av\u00e9rer \u00eatre la meilleure solution d\u2019impression 3D pour les pi\u00e8ces complexes, que l\u2019on peut alors imprimer d\u2019un seul tenant, supprimant ainsi les probl\u00e8mes que l\u2019on peut avoir avec d\u2019autres technologies (ex. : FDM) o\u00f9 une pi\u00e8ce \u00e9quivalente devra \u00eatre imprim\u00e9e en plusieurs parties et assembl\u00e9e apr\u00e8s coup.<\/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\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"686\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLS-part-with-an-overhang-1024x686.jpeg\" alt=\"SLS part with an overhang\" class=\"wp-image-1925\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLS-part-with-an-overhang-1024x686.jpeg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLS-part-with-an-overhang-300x201.jpeg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLS-part-with-an-overhang-768x515.jpeg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLS-part-with-an-overhang.jpeg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLS-part-with-an-overhang.jpeg\" data-fancybox=\"gallery-24145\" data-caption=\"Pi\u00e8ce SLS avec partie en surplomb, sans structures de maintien\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLS-part-with-an-overhang.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\">Pi\u00e8ce SLS avec partie en surplomb, sans structures de maintien<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-technologie-sls-permet-une-impression-3d-rapide\"><strong>La technologie SLS permet une impression 3D rapide<\/strong><\/h3>\n\n\n<p>La technologie d\u2019impression 3D SLS est l\u2019une des plus rapides sur le march\u00e9. Les poudres polym\u00e8res utilis\u00e9es ne demandent qu\u2019une fraction de seconde d\u2019exposition au laser pour \u00eatre fritt\u00e9es. En r\u00e9alit\u00e9, la vitesse d\u2019impression doit \u00eatre quantifi\u00e9e par rapport \u00e0 la r\u00e9solution souhait\u00e9e.&nbsp;&nbsp;<\/p>\n\n\n\n<p>\u00c0 titre d\u2019exemple, une imprimante FDM peut aussi imprimer tr\u00e8s vite, du moment que l\u2019on param\u00e8tre des couches plus \u00e9paisses et que l\u2019on soit pr\u00eat \u00e0 transiger sur la r\u00e9solution. Dans le cadre de la technologie SLS, il n\u2019est pas n\u00e9cessaire de faire un tel compromis pour b\u00e9n\u00e9ficier d\u2019une grande vitesse d\u2019ex\u00e9cution.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-les-pieces-imprimees-via-sls-supportent-tres-bien-la-teinture-et-la-coloration\"><strong>Les pi\u00e8ces imprim\u00e9es via SLS supportent tr\u00e8s bien la teinture et la coloration<\/strong><\/h3>\n\n\n<p>Les pi\u00e8ces imprim\u00e9es via la technologie SLS poss\u00e8dent une surface poreuse, particuli\u00e8rement adapt\u00e9e pour les op\u00e9rations de coloration et de teinture, la couleur adh\u00e9rant plus efficacement sur des surfaces de ce genre. Ainsi, une teinture classique au bain est tout \u00e0 fait suffisante.<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/fr\/articles\/impression-3d-couleur\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/10\/Coloured-3D-printed-parts.jpg\" alt=\"Colored 3D printed parts\"><\/a><a href=\"https:\/\/xometry.pro\/fr\/articles\/impression-3d-couleur\/\" class=\"aside-link\">Impression 3D couleur : aper\u00e7u des options disponibles<\/a>    <\/aside>\r\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:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-dyed-multiple-colors.jpg\" alt=\"Renkli SLS par\u00e7alar\u0131, PA 12 malzeme\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-dyed-multiple-colors.jpg\" data-fancybox=\"gallery\" data-caption=\"\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-dyed-multiple-colors.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"Renkli SLS par\u00e7alar\u0131, PA 12 malzeme\" 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                                                                    <\/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:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-green-dying-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS Naylon PA 12 ye\u015fil dye boya\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-green-dying-front-sample-part-xometry-1440x1153-1.webp\" data-fancybox=\"gallery\" data-caption=\"SLS Nylon PA 12 teinture verte\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-green-dying-front-sample-part-xometry-1440x1153-1.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS Naylon PA 12 ye\u015fil dye boya\" 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>SLS Nylon PA 12 teinture verte<\/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:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-red-dying-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS Naylon PA 12 k\u0131rm\u0131z\u0131 dye boya\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-red-dying-front-sample-part-xometry-1440x1153-1.webp\" data-fancybox=\"gallery\" data-caption=\"SLS Nylon PA 12 teinture rouge\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-red-dying-front-sample-part-xometry-1440x1153-1.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS Naylon PA 12 k\u0131rm\u0131z\u0131 dye boya\" 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>SLS Nylon PA 12 teinture 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:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-yellow-dying-front-sample-part-xometry-min-1440x1153-1.webp\" alt=\"SLS Naylon PA 12 sar\u0131 dye boya\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-yellow-dying-front-sample-part-xometry-min-1440x1153-1.webp\" data-fancybox=\"gallery\" data-caption=\"SLS Nylon PA 12 teinture jaune\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-yellow-dying-front-sample-part-xometry-min-1440x1153-1.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS Naylon PA 12 sar\u0131 dye boya\" 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>SLS Nylon PA 12 teinture jaune<\/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:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-dyed-multiple-colors.jpg\" alt=\"Renkli SLS par\u00e7alar\u0131, PA 12 malzeme\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-green-dying-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS Naylon PA 12 ye\u015fil dye boya\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-red-dying-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS Naylon PA 12 k\u0131rm\u0131z\u0131 dye boya\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/sls-pa12-yellow-dying-front-sample-part-xometry-min-1440x1153-1.webp\" alt=\"SLS Naylon PA 12 sar\u0131 dye boya\">\r\n                        <\/div>\r\n                                        <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n    \n\n<h3 class=\"wp-block-heading\" id=\"h-les-impressions-sls-beneficient-d-excellentes-proprietes-mecaniques\"><strong>Les impressions SLS b\u00e9n\u00e9ficient d\u2019excellentes propri\u00e9t\u00e9s m\u00e9caniques<\/strong><\/h3>\n\n\n<p>Dans les impressions 3D SLS, les couches imprim\u00e9es adh\u00e8rent de fa\u00e7on beaucoup plus prononc\u00e9e que dans d\u2019autres technologies, comme l\u2019impression FDM. Par cons\u00e9quent, les impressions SLS se comportent comme \u00e9tant isotropes :&nbsp; les propri\u00e9t\u00e9s m\u00e9caniques, telles que la r\u00e9sistance \u00e0 la traction, la duret\u00e9 et la capacit\u00e9 d\u2019\u00e9longation sont les m\u00eames, quel que soit l\u2019axe consid\u00e9r\u00e9 (x, y ou z).&nbsp;<\/p>\n\n\n\n<p>Du fait de leurs excellentes propri\u00e9t\u00e9s m\u00e9caniques, les pi\u00e8ces imprim\u00e9es via SLS sont souvent utilis\u00e9es comme alternatives aux pi\u00e8ces plastiques moul\u00e9es par injection. Elles b\u00e9n\u00e9ficient \u00e9galement d\u2019une bonne r\u00e9sistance aux agents chimiques (ex. : Nylon PA 12).<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-inconvenients-de-la-technologie-sls-en-impression-3d\"><strong>Inconv\u00e9nients de la technologie SLS en impression 3D<\/strong><\/h2>\n\n\n<p>Malgr\u00e9 ses avantages, la technologie SLS pr\u00e9sente \u00e9galement un petit nombre d\u2019inconv\u00e9nients :<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-les-pieces-imprimees-via-sls-sont-poreuses-et-possedent-une-structure-friable\"><strong>Les pi\u00e8ces imprim\u00e9es via SLS sont poreuses et poss\u00e8dent une structure friable<\/strong><\/h3>\n\n\n<p>Bien que les impressions SLS aient une bonne r\u00e9sistance \u00e0 la traction, elles sont beaucoup moins flexibles et c\u00e8dent plus facilement lorsque soumises \u00e0 des d\u00e9formations r\u00e9p\u00e9t\u00e9es. Cette m\u00eame porosit\u00e9, qui les rend si aptes aux op\u00e9rations de coloration, compromet leur int\u00e9grit\u00e9 structurelle. C\u2019est pour cette raison que les impressions SLS sont g\u00e9n\u00e9ralement utilis\u00e9es en tant que prototypes et ne sont pas recommand\u00e9es comme pi\u00e8ces fonctionnelles.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-les-impressions-sls-sont-sujettes-a-la-contraction\"><strong>Les impressions SLS sont sujettes \u00e0 la contraction<\/strong><\/h3>\n\n\n<p>La technologie d\u2019impression 3D SLS fonctionne en exposant le mat\u00e9riau d\u2019impression \u00e0 de hautes temp\u00e9ratures, afin de mener \u00e0 bien l\u2019op\u00e9ration de frittage. Au cours de la phase de refroidissement, la pi\u00e8ce subit, toutefois, une contraction thermique qui vient directement affecter sa pr\u00e9cision dimensionnelle : le taux de contraction peut aller jusqu\u2019\u00e0 3%, voire 4%, ce qui est objectivement plus \u00e9lev\u00e9 que dans les technologies alternatives.&nbsp;<\/p>\n\n\n\n<p>Il est crucial de prendre cet \u00e9tat de fait en ligne de compte d\u00e8s la phase de conception, afin d\u2019ajuster le volume du mod\u00e8le d\u2019origine en cons\u00e9quence. Le stress induit par la contraction peut aussi entra\u00eener des d\u00e9formations et des torsions au niveau des ar\u00eates et des angles aigus.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-un-taux-de-dechet-plus-eleve-en-sls-en-raison-de-la-matiere-pulverulente-utilisee\"><strong>Un taux de d\u00e9chet plus \u00e9lev\u00e9 en SLS, en raison de la mati\u00e8re pulv\u00e9rulente utilis\u00e9e<\/strong><\/h3>\n\n\n<p>La poudre dispos\u00e9e dans l\u2019enceinte d\u2019impression doit \u00eatre pr\u00e9chauff\u00e9e, ceci afin de pouvoir entrer en fusion avec une exposition minimale au laser. La temp\u00e9rature \u00e9lev\u00e9e du frittage peut affecter la poudre autour de l\u2019ouvrage imprim\u00e9, voire provoquer des fusions intempestives, ce qui va alt\u00e9rer la qualit\u00e9 de la mati\u00e8re premi\u00e8re.&nbsp;<\/p>\n\n\n\n<p>Chaque impression laissant derri\u00e8re elle une portion de poudre non utilis\u00e9e, il est in\u00e9vitable de se retrouver, par accumulation, avec une quantit\u00e9 non n\u00e9gligeable de mati\u00e8re dont il faut se d\u00e9barrasser. Consid\u00e9rant ceci uniquement, l\u2019impression 3D SLS g\u00e9n\u00e8re d\u00e9j\u00e0 plus de d\u00e9chets que l\u2019impression 3D <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-multi-jet-fusion\/\" target=\"_blank\" rel=\"noreferrer noopener\">MJF<\/a>, qui, elle, ne pr\u00e9chauffe pas la mati\u00e8re pulv\u00e9rulente utilis\u00e9e. La poudre de nylon en suspension dans l\u2019air pr\u00e9sente \u00e9galement un danger pour les voies respiratoires, danger contre lequel il est n\u00e9cessaire de se pr\u00e9munir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/sls-part-3d-printing-1024x683.webp\" alt=\"SLS 3D printed cup\" class=\"wp-image-18238\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/sls-part-3d-printing-1024x683.webp 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/sls-part-3d-printing-300x200.webp 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/sls-part-3d-printing-768x512.webp 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/sls-part-3d-printing.webp 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/sls-part-3d-printing.webp\" data-fancybox=\"gallery-24145\" data-caption=\"\" aria-label=\"Open full image\"0><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/sls-part-3d-printing.webp\" 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><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-services-d-impression-3d-sls-de-xometry\"><strong>Services d\u2019impression 3D SLS de Xometry<\/strong><\/h2>\n\n\n<p>Xometry Europe offre des services en ligne d\u2019i<a href=\"https:\/\/xometry.eu\/fr\/impression-3d-frittage-selectif-par-laser-sls\/\">mpression 3D SLS <\/a>pour vos projets d\u2019impression 3D \u00e0 la demande, qu\u2019il s\u2019agisse de prototypes ou de lots de taille plus cons\u00e9quente. 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 SLS en 3 jours seulement.<\/p>\n\n\n\n<p>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 SLS.&nbsp;<\/p>\n","protected":false},"author":50,"featured_media":6722,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[485],"class_list":["post-24145","articles","type-articles","status-publish","has-post-thumbnail","hentry","global-tag-impression-3d"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Qu&#039;est-ce que l&#039;impression 3D par frittage s\u00e9lectif par laser (SLS) ? | Xometry Pro<\/title>\n<meta name=\"description\" content=\"Tout ce que vous devez conna\u00eetre sur la technologie d&#039;impression 3D SLS : d\u00e9finition, fonctionnement, mat\u00e9riaux adapt\u00e9s, avantages...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/xometry.pro\/fr\/articles\/impression-3d-sls-technologie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-ce que l&#039;impression 3D par frittage s\u00e9lectif par laser (SLS) ? | Xometry Pro\" \/>\n<meta property=\"og:description\" content=\"Tout ce que vous devez conna\u00eetre sur la technologie d&#039;impression 3D SLS : d\u00e9finition, fonctionnement, mat\u00e9riaux adapt\u00e9s, avantages...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/xometry.pro\/fr\/articles\/impression-3d-sls-technologie\/\" \/>\n<meta property=\"og:site_name\" content=\"Xometry Pro\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-10T11:43:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLS-Nylon-12-FR-Closeup_2-1440x960-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1440\" \/>\n\t<meta property=\"og:image:height\" content=\"960\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/fr\\\/articles\\\/impression-3d-sls-technologie\\\/\",\"url\":\"https:\\\/\\\/xometry.pro\\\/fr\\\/articles\\\/impression-3d-sls-technologie\\\/\",\"name\":\"Qu'est-ce que l'impression 3D par frittage s\u00e9lectif par laser (SLS) ? 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