{"id":24185,"date":"2023-09-08T14:20:19","date_gmt":"2023-09-08T14:20:19","guid":{"rendered":"https:\/\/xometry.pro\/articles\/3d-printing-sla-overview\/"},"modified":"2025-11-10T16:02:05","modified_gmt":"2025-11-10T15:02:05","slug":"impression-3d-sla-technologie","status":"publish","type":"articles","link":"https:\/\/xometry.pro\/fr\/articles\/impression-3d-sla-technologie\/","title":{"rendered":"St\u00e9r\u00e9olithographie (SLA) : 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-la-stereolithographie\">Comment fonctionne la st\u00e9r\u00e9olithographie ?<\/a>\n\n<\/li>\n<li><a href=\"#h-materiaux-pour-l-impression-3d-sla\">Mat\u00e9riaux pour l\u2019impression 3D SLA<\/a>\n\n<\/li>\n<li><a href=\"#h-avantages-de-la-technologie-sla-en-impression-3d\">Avantages de la technologie SLA en impression 3D<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-inconvenients-de-la-technologie-sla-en-impression-3d\">Inconv\u00e9nients de la technologie SLA en impression 3D<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-les-services-d-impression-3d-sla-de-xometry\">Les services d\u2019impression 3D SLA de Xometry<\/a>\n<\/li><\/ul><\/div>\n\n\n<p>La <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-stereolithographie-sla\/\" target=\"_blank\" rel=\"noreferrer noopener\">st\u00e9r\u00e9olithographie (SLA)<\/a> appartient \u00e0 la famille des technologies d\u2019impression 3D bas\u00e9es sur la polym\u00e9risation en cuve : les pi\u00e8ces r\u00e9alis\u00e9es sont imprim\u00e9es \u00e0 partir de r\u00e9sines thermodurcissables, que l\u2019on fait polym\u00e9riser \u00e0 l\u2019aide de radiations lumineuses. Il s\u2019agit d\u2019une technologie tr\u00e8s puissante, qui permet de produire des pi\u00e8ces de haute r\u00e9solution et d\u2019une pr\u00e9cision extr\u00eame, utilisables directement en application finale, pour du prototypage rapide ou de la production en petites s\u00e9ries.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comment-fonctionne-la-stereolithographie\"><strong>Comment fonctionne la st\u00e9r\u00e9olithographie ?<\/strong><\/h2>\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>Une imprimante SLA comporte 4 parties principales :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Une cuve remplie avec la r\u00e9sine, qui se pr\u00e9sente g\u00e9n\u00e9ralement sous la forme d\u2019un plastique liquide translucide.<\/li>\n\n\n\n<li>Une plateforme perfor\u00e9e, verticalement mobile dans les deux sens le long de l\u2019axe Z (en fonction du processus d\u2019impression), et que l\u2019on immerge dans la cuve de r\u00e9sine.<\/li>\n\n\n\n<li>Un laser ultraviolet \u00e0 haute puissance.<\/li>\n\n\n\n<li>Une unit\u00e9 de contr\u00f4le informatique, capable de piloter \u00e0 la fois la plateforme et les mouvements du laser UV.<\/li>\n<\/ul>\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-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"492\" height=\"404\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLA-3D-Printing-process.png\" alt=\"SLA 3D Printing process\" class=\"wp-image-1935\" style=\"max-width:337px;max-height:277px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLA-3D-Printing-process.png 492w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLA-3D-Printing-process-300x246.png 300w\" sizes=\"(max-width: 492px) 100vw, 492px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLA-3D-Printing-process.png\" data-fancybox=\"gallery-24185\" data-caption=\"Processus d&#039;impression 3D SLA\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/SLA-3D-Printing-process.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><figcaption class=\"wp-element-caption\">Processus d&rsquo;impression 3D SLA<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n<div id=\"ApaE8SaLvHU-69e9da8c0db30\" data-video-id=\"ApaE8SaLvHU\" 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=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/ApaE8SaLvHU\/ApaE8SaLvHU_hq720.webp\"><source media=\"(min-width:640px)\" type=\"image\/jpeg\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/ApaE8SaLvHU\/ApaE8SaLvHU_hq720.jpg\"><source media=\"(min-width:320px)\" type=\"image\/webp\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/ApaE8SaLvHU\/ApaE8SaLvHU_sddefault.webp\"><source media=\"(min-width:320px)\" type=\"image\/jpeg\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/ApaE8SaLvHU\/ApaE8SaLvHU_sddefault.jpg\"><source media=\"(min-width:240px)\" type=\"image\/webp\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/ApaE8SaLvHU\/ApaE8SaLvHU_hqdefault.webp\"><source media=\"(min-width:240px)\" type=\"image\/jpeg\" srcset=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/ApaE8SaLvHU\/ApaE8SaLvHU_hqdefault.jpg\"><img decoding=\"async\" src=\"\/\/xometry.pro\/wp-content\/uploads\/ma-gdpr-youtube-thumbnails\/ApaE8SaLvHU\/ApaE8SaLvHU_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<p>Une fois les donn\u00e9es CAO introduites dans le syst\u00e8me, le proc\u00e9d\u00e9 d\u2019impression par st\u00e9r\u00e9olithographie passe par les \u00e9tapes suivantes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9tape 1 <\/strong>: le laser UV dessine la premi\u00e8re couche de l\u2019impression dans la r\u00e9sine photosensitive : au contact du laser, la portion de r\u00e9sine touch\u00e9e se solidifie. Le laser est dirig\u00e9 vers les coordonn\u00e9es appropri\u00e9es, selon le mod\u00e8le de la pi\u00e8ce \u00e0 imprimer.<\/li>\n\n\n\n<li><strong>\u00c9tape 2 <\/strong>:<strong> <\/strong>apr\u00e8s la premi\u00e8re couche, la plateforme est rehauss\u00e9e d\u2019une hauteur identique \u00e0 l\u2019\u00e9paisseur de couche (environ 0,1 mm) tandis que la quantit\u00e9 n\u00e9cessaire de r\u00e9sine est d\u00e9vers\u00e9e en dessous de la partie d\u00e9j\u00e0 imprim\u00e9e. Le laser est alors utilis\u00e9 pour polym\u00e9riser une couche suppl\u00e9mentaire, et le processus se r\u00e9p\u00e8te jusqu\u2019\u00e0 ach\u00e8vement de la pi\u00e8ce. La r\u00e9sine qui n\u2019a pas \u00e9t\u00e9 en contact avec le laser peut \u00eatre r\u00e9utilis\u00e9e.<\/li>\n\n\n\n<li><strong>\u00c9tape 3<\/strong> : une fois la pi\u00e8ce termin\u00e9e, la plateforme s\u2019\u00e9l\u00e8ve jusqu\u2019\u00e0 sortir compl\u00e8tement de la cuve, tandis que la r\u00e9sine restante est drain\u00e9e. Le mod\u00e8le est alors d\u00e9tach\u00e9 de la plateforme, rinc\u00e9 \u00e0 l\u2019alcool pour retirer la r\u00e9sine en exc\u00e8s, et plac\u00e9 dans un four \u00e0 UV pour une ultime phase de polym\u00e9risation, dite polym\u00e9risation post-impression, qui permet de stabiliser les pi\u00e8ces imprim\u00e9es et de leur conf\u00e9rer le plus haut degr\u00e9 de r\u00e9sistance possible.<\/li>\n\n\n\n<li><strong>\u00c9tape 4 <\/strong>: Les structures de maintien sont retir\u00e9es lors de la phase de post-usinage (le cas \u00e9ch\u00e9ant).<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-materiaux-pour-l-impression-3d-sla\"><strong>Mat\u00e9riaux pour l\u2019impression 3D SLA<\/strong><\/h2>\n\n\n<p>Parmi les mat\u00e9riaux les plus utilis\u00e9s pour l\u2019impression SLA, l\u2019offre de Xometry comprend :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Des plastiques rigides : <\/strong>tels que l\u2019ABS SL 7820, les PC et assimil\u00e9s translucides et r\u00e9sistants \u00e0 la chaleur, le polypropyl\u00e8ne Xtreme\u2026<\/li>\n\n\n\n<li><strong>Des gommes au silicone :<\/strong> telles que le \u00ab <a href=\"https:\/\/xometry.pro\/fr\/materiaux\/true-silicone\/\">True Silicone<\/a> \u00bb<\/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:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-White-Front-1440x960-1.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-White-Front-1440x960-1.jpg\" data-fancybox=\"gallery\" data-caption=\"SLA similaire \u00e0 l&rsquo;ABS blanc\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-White-Front-1440x960-1.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>SLA similaire \u00e0 l&rsquo;ABS blanc<\/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\/SLA-Clear-as-printed-Front_1-1440x960-2.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-Clear-as-printed-Front_1-1440x960-2.jpg\" data-fancybox=\"gallery\" data-caption=\"SLA similaire \u00e0 l&rsquo;ABS transparent de qualit\u00e9 industrielle\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-Clear-as-printed-Front_1-1440x960-2.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>SLA similaire \u00e0 l&rsquo;ABS transparent de qualit\u00e9 industrielle<\/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\/SLA-ABS-like-Grey-Front-1440x960-1.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-Grey-Front-1440x960-1.jpg\" data-fancybox=\"gallery\" data-caption=\"SLA similaire \u00e0 l&rsquo;ABS gris de qualit\u00e9 industrielle\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-Grey-Front-1440x960-1.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>SLA similaire \u00e0 l&rsquo;ABS gris de qualit\u00e9 industrielle<\/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\/SLA-ABS-like-Black-Closeup_1-1440x953-1-1.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-Black-Closeup_1-1440x953-1-1.jpg\" data-fancybox=\"gallery\" data-caption=\"SLA noir de qualit\u00e9 industrielle\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-Black-Closeup_1-1440x953-1-1.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>SLA noir de qualit\u00e9 industrielle<\/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\/SLA-Heat-Resistant-Closeup_1.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-Heat-Resistant-Closeup_1.jpg\" data-fancybox=\"gallery\" data-caption=\"SLA similaire au PC r\u00e9sistant \u00e0 la chaleur de qualit\u00e9 standard\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-Heat-Resistant-Closeup_1.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>SLA similaire au PC r\u00e9sistant \u00e0 la chaleur de qualit\u00e9 standard<\/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\/08\/SLA-ABS-like-White-Front-1440x960-1.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-Clear-as-printed-Front_1-1440x960-2.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-Grey-Front-1440x960-1.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-ABS-like-Black-Closeup_1-1440x953-1-1.jpg\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/SLA-Heat-Resistant-Closeup_1.jpg\" alt=\"\">\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-sla-en-impression-3d\"><strong>Avantages de la technologie SLA en impression 3D<\/strong><\/h2>\n\n\n<p>La technologie d\u2019impression 3D SLA est une des plus fiables, en plus d\u2019\u00eatre une des plus pr\u00e9cises, en particulier d\u00e8s qu\u2019il s\u2019agit de r\u00e9aliser des prototypes, ou des applications de classe industrielle n\u00e9cessitant une haute r\u00e9solution. Certains avantages, qui lui sont propres, en font une technologie d\u2019impression 3D unique en son genre.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-technologie-sla-offre-une-haute-precision-et-un-niveau-de-detail-tres-eleve\"><strong>La technologie SLA offre une haute pr\u00e9cision et un niveau de d\u00e9tail tr\u00e8s \u00e9lev\u00e9<\/strong><\/h3>\n\n\n<p>L\u2019\u00e9paisseur de couche r\u00e9alisable par la st\u00e9r\u00e9olithographie est particuli\u00e8rement mince (de 0,05 \u00e0 0,10 mm). Coupl\u00e9e \u00e0 un faisceau laser d\u2019une grande finesse, il est possible de r\u00e9aliser des ouvrages dot\u00e9s d\u2019\u00e9l\u00e9ments complexes et d\u2019une pr\u00e9cision minutieuse, le tout assorti d\u2019un fini tr\u00e8s r\u00e9aliste. Il est tout \u00e0 fait possible de g\u00e9n\u00e9rer aussi bien des pi\u00e8ces de taille r\u00e9duite, mais de haute d\u00e9finition, que des pi\u00e8ces de taille plus cons\u00e9quente (jusqu\u2019 \u00e0 deux m\u00e8tres) tout en maintenant \u00e0 la fois une grande pr\u00e9cision et des tol\u00e9rances strictes.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-stereolithographie-s-accommode-bien-des-ouvrages-complexes\"><strong>La st\u00e9r\u00e9olithographie s&rsquo;accommode bien des ouvrages complexes<\/strong><\/h3>\n\n\n<p>Quand bien m\u00eame la technologie SLA n\u00e9cessite l\u2019usage de structures de maintien, le fait qu\u2019elle utilise des r\u00e9sines en lieu et place des poudres (comme les technologies <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-frittage-selectif-par-laser-sls\/\" target=\"_blank\" rel=\"noreferrer noopener\">SLS<\/a> et <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-multi-jet-fusion\/\" target=\"_blank\" rel=\"noreferrer noopener\">MJF<\/a>) la rend parfaitement adapt\u00e9e aux ouvrages complexes : les r\u00e9sines conf\u00e8rent \u00e0 l\u2019ouvrage une certaine fluidit\u00e9 qui aide grandement \u00e0 la r\u00e9alisation d\u2019\u00e9l\u00e9ments internes complexes.<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/fr\/articles\/conseils-design-impression-3d-sla\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/sla-3d-prints-scaled.png\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/fr\/articles\/conseils-design-impression-3d-sla\/\" class=\"aside-link\">Directives de design pour l\u2019impression 3D SLA : 8 conseils fondamentaux<\/a>    <\/aside>\r\n    \n\n<h3 class=\"wp-block-heading\" id=\"h-les-ouvrages-imprimes-en-sla-ont-un-rendu-de-surface-lisse\"><strong>Les ouvrages imprim\u00e9s en SLA ont un rendu de surface lisse<\/strong><\/h3>\n\n\n<p>Du fait de l\u2019utilisation de r\u00e9sines, les pi\u00e8ces imprim\u00e9es en SLA b\u00e9n\u00e9ficient d\u2019un rendu de surface proche de celui du verre, bien sup\u00e9rieur \u00e0 celui obtenu via les technologies MJF ou SLS. Cet \u00e9tat de surface d\u2019une qualit\u00e9 sup\u00e9rieure, coupl\u00e9 \u00e0 la haute d\u00e9finition permise par le proc\u00e9d\u00e9, permet d\u2019avoir une vision parfaite des d\u00e9tails, aussi bien externes qu\u2019internes. Le proc\u00e9d\u00e9 est aussi bien adapt\u00e9 aux prototypes fonctionnels, afin d\u2019avoir un aper\u00e7u global de ce que sera le produit fini.<\/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\/09\/3dprinting-plastic-sla-gray-challengepart-somos-taurus-006-20180808-1024x683.jpg\" alt=\"3D printing SLA gray part\" class=\"wp-image-1936\" style=\"max-width:724px;max-height:483px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/3dprinting-plastic-sla-gray-challengepart-somos-taurus-006-20180808-1024x683.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/3dprinting-plastic-sla-gray-challengepart-somos-taurus-006-20180808-300x200.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/3dprinting-plastic-sla-gray-challengepart-somos-taurus-006-20180808-768x512.jpg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/3dprinting-plastic-sla-gray-challengepart-somos-taurus-006-20180808.jpg 1261w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/3dprinting-plastic-sla-gray-challengepart-somos-taurus-006-20180808.jpg\" data-fancybox=\"gallery-24185\" data-caption=\"Impression 3D d&#039;une pi\u00e8ce grise SLA\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/3dprinting-plastic-sla-gray-challengepart-somos-taurus-006-20180808.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 d&rsquo;une pi\u00e8ce grise SLA<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-technologie-sla-ne-produit-pas-de-dechets\"><strong>La technologie SLA ne produit pas de d\u00e9chets<\/strong><\/h3>\n\n\n<p>La r\u00e9sine thermodurcissable qui est drain\u00e9e \u00e0 la fin de l\u2019impression peut \u00eatre r\u00e9utilis\u00e9e telle quelle, ce qui limite au maximum la production de d\u00e9chets. La quantit\u00e9 de d\u00e9chets produits au cours d\u2019une impression SLA est, en effet, n\u00e9gligeable, ce qui conduit souvent \u00e0 consid\u00e9rer la technologie SLA comme une alternative meilleur march\u00e9 pour la production d\u2019ouvrages imprim\u00e9s en 3D.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-les-pieces-imprimees-par-sla-sont-biocompatibles-et-de-qualite-alimentaire\"><strong>Les pi\u00e8ces imprim\u00e9es par SLA sont biocompatibles et de qualit\u00e9 alimentaire<\/strong><\/h3>\n\n\n<p>Les r\u00e9sines utilis\u00e9es en st\u00e9r\u00e9olithographie (comme celles de type True Silicone) sont biocompatibles , ce qui constitue un des plus gros avantages de la technologie SLA. Les technologies alternatives, comme le MJF, n\u2019utilisent pas de mat\u00e9riaux biocompatibles ou de qualit\u00e9 alimentaire, ce qui fait de la st\u00e9r\u00e9olithographie l\u2019une des meilleures technologies quand il s\u2019agit de produire des implants m\u00e9dicaux ou des contenants pour de la nourriture.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-inconvenients-de-la-technologie-sla-en-impression-3d\"><strong>Inconv\u00e9nients de la technologie SLA en impression 3D<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\" id=\"h-un-choix-limite-de-materiaux-compatibles\"><strong>Un choix limit\u00e9 de mat\u00e9riaux compatibles<\/strong><\/h3>\n\n\n<p>Compar\u00e9e \u00e0 la technologie <a href=\"https:\/\/xometry.eu\/fr\/impression-3d-depot-de-fil-fondu-fdm\/\" target=\"_blank\" rel=\"noreferrer noopener\">FDM<\/a>, la SLA n\u2019offre qu\u2019une gamme tr\u00e8s r\u00e9duite de mat\u00e9riaux utilisables : le proc\u00e9d\u00e9 n\u2019emploie que des r\u00e9sines thermodurcissables, ce qui limite grandement les options en termes de mat\u00e9riaux d\u2019impression.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-stereolithographie-est-un-procede-plutot-onereux\"><strong>La st\u00e9r\u00e9olithographie est un proc\u00e9d\u00e9 plut\u00f4t on\u00e9reux<\/strong><\/h3>\n\n\n<p>Compar\u00e9e \u00e0 des alternatives meilleur march\u00e9, comme les technologies MJF et FDM (largement utilis\u00e9es pour la r\u00e9alisation de prototypes), la st\u00e9r\u00e9olithographie est encore une technologie qui revient cher \u00e0 l\u2019utilisation, en grande partie \u00e0 cause des proc\u00e9d\u00e9s photochimiques co\u00fbteux et des mat\u00e9riaux utilis\u00e9s.<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/fr\/articles\/impression-3d-sla-vs-fdm\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/fdm-sla-3d-priting-comparison.png\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/fr\/articles\/impression-3d-sla-vs-fdm\/\" class=\"aside-link\">Comparatif des technologies d\u2019impression 3D : SLA vs. FDM<\/a>    <\/aside>\r\n    \n\n<h3 class=\"wp-block-heading\" id=\"h-les-proprietes-mecaniques-des-materiaux-sla-sont-pauvres\"><strong>Les propri\u00e9t\u00e9s m\u00e9caniques des mat\u00e9riaux SLA sont pauvres<\/strong><\/h3>\n\n\n<p>La plupart des r\u00e9sines standards utilis\u00e9es sont adapt\u00e9es \u00e0 la r\u00e9alisation de structures d\u00e9taill\u00e9es et d\u00e9licates, qui trouvent g\u00e9n\u00e9ralement leur application en tant que prototypes dans des exhibitions. Les r\u00e9sines SLA ne sont cependant pas comparables aux filaments PC, nylon, PETG ou autres mat\u00e9riaux utilis\u00e9s en FDM, aussi bien en termes de r\u00e9sistance que de performances m\u00e9caniques. Par cons\u00e9quent, les pi\u00e8ces r\u00e9alis\u00e9es ne sont pas recommand\u00e9es pour \u00eatre utilis\u00e9es dans des applications qui impliquent un stress m\u00e9canique intense, ou de supporter des charges de fa\u00e7on cyclique.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-la-technologie-sla-patit-d-un-faible-volume-de-production\"><strong>La technologie SLA p\u00e2tit d\u2019un faible volume de production<\/strong><\/h3>\n\n\n<p>Les r\u00e9sines utilis\u00e9es pour l\u2019impression 3D SLA sont plus co\u00fbteuses et permettent de produire moins de pi\u00e8ces (\u00e0 l\u2019unit\u00e9) qu\u2019un rouleau de filament pour FDM, ou m\u00eame que les poudres utilis\u00e9es en MJF. Compar\u00e9es aux imprimantes FDM, les imprimantes SLA ont des volumes de fabrication plus r\u00e9duits et ne sont pas recommand\u00e9es pour la production de lots (principalement \u00e0 cause des co\u00fbts impliqu\u00e9s et du temps d\u2019ex\u00e9cution, surtout quand on les compare aux autres technologies).<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-les-services-d-impression-3d-sla-de-xometry\"><strong>Les services d\u2019impression 3D SLA de Xometry<\/strong><\/h2>\n\n\n<p>Xometry Europe offre <a href=\"https:\/\/get.xometry.eu\/?locale=fr\" target=\"_blank\" rel=\"noreferrer noopener\">des services en ligne d\u2019impression 3D en st\u00e9r\u00e9olithographie<\/a> 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 SLA en 3 jours seulement. Importez vos fichiers CAO sur notre <a href=\"https:\/\/my.xometry.eu\/quote?locale=fr\">plateforme de devis instantan\u00e9<\/a> pour obtenir un devis en quelques secondes et profitez des diff\u00e9rentes options disponibles pour l\u2019impression 3D SLA.<\/p>\n","protected":false},"author":50,"featured_media":8353,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[485],"class_list":["post-24185","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>St\u00e9r\u00e9olithographie (SLA) technologie d&#039;impression 3D | Xometry Pro<\/title>\n<meta name=\"description\" content=\"Tout ce que vous devez savoir sur la technologie SLA : fonctionnement, mat\u00e9riaux compatibles, avantages et 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