{"id":23573,"date":"2023-12-11T13:25:28","date_gmt":"2023-12-11T13:25:28","guid":{"rendered":"https:\/\/xometry.pro\/articles\/3d-printing-food-safe\/"},"modified":"2023-12-19T16:03:28","modified_gmt":"2023-12-19T16:03:28","slug":"impression-3d-qualite-alimentaire","status":"publish","type":"articles","link":"https:\/\/xometry.pro\/fr\/articles\/impression-3d-qualite-alimentaire\/","title":{"rendered":"L\u2019impression 3D de qualit\u00e9 alimentaire : astuces, mat\u00e9riaux et finitions"},"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=\"#criteres-a-prendre-en-compte-pour-limpression-3d-de-qualite-alimentaire\">Crit\u00e8res \u00e0 prendre en compte pour l\u2019impression 3D de qualit\u00e9 alimentaire<\/a>\n\n<\/li>\n<li><a href=\"#concevoir-un-article-de-qualite-alimentaire\">Concevoir un article de qualit\u00e9 alimentaire<\/a>\n\n<\/li>\n<li><a href=\"#utiliser-des-materiaux-dimpression-3d-de-qualite-alimentaire\">Utiliser des mat\u00e9riaux d\u2019impression 3D de qualit\u00e9 alimentaire<\/a>\n\n\n<\/li>\n\n<li><a href=\"#procedes-dimpression-3d-de-qualite-alimentaire\">Proc\u00e9d\u00e9s d\u2019impression 3D de qualit\u00e9 alimentaire<\/a>\n\n\n<\/li>\n\n<li><a href=\"#traitements-postusinage-de-qualite-alimentaire\">Traitements post-usinage de qualit\u00e9 alimentaire<\/a>\n\n\n<\/li>\n\n<li><a href=\"#conclusion\">Conclusion<\/a>\n<\/li><\/ul><\/div>\n\n\n<p>Au cours de la derni\u00e8re d\u00e9cennie, les <a href=\"https:\/\/xometry.eu\/fr\/impression-3d\/\">technologies d\u2019impression 3D<\/a> ont gagn\u00e9 en sophistication, au point d\u2019\u00eatre capables de produire, au sein d\u2019un processus r\u00e9p\u00e9table sur la dur\u00e9e, des pi\u00e8ces complexes et durables qui n\u2019ont rien \u00e0 envier \u00e0 leurs homologues issus des m\u00e9thodes de fabrication traditionnelles.<\/p>\n\n\n\n<p>L\u2019impression 3D est en cours d\u2019adoption par un nombre croissant d\u2019industries, notamment l\u2019industrie agro-alimentaire qui l\u2019utilise aujourd\u2019hui dans de nombreuses applications. Cependant, l\u2019utilisation de cette technologie suscite encore des inqui\u00e9tudes, en particulier dans une telle industrie o\u00f9 il est n\u00e9cessaire de se conformer \u00e0 des normes strictes quant \u00e0 la fabrication des emballages alimentaires, des ustensiles de cuisine, voire des pi\u00e8ces de rechange pour les machines employ\u00e9es en production.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"criteres-a-prendre-en-compte-pour-limpression-3d-de-qualite-alimentaire\"><strong>Crit\u00e8res \u00e0 prendre en compte pour l\u2019impression 3D de qualit\u00e9 alimentaire<\/strong><\/h2>\n\n\n<p>Le label qualit\u00e9 alimentaire implique qu\u2019un article a \u00e9t\u00e9 capable de satisfaire aux exigences relatives \u00e0 l\u2019usage qui en est attendu et ne puisse pas g\u00e9n\u00e9rer de probl\u00e8mes concomitant \u00e0 l\u2019absorption de nourriture. Les normes alimentaires de l\u2019Union Europ\u00e9enne s\u2019appliquent \u00e0 toutes les \u00e9tapes : depuis la production jusqu\u2019\u00e0 la consommation, en passant par le traitement et la distribution. La <a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/EN\/TXT\/PDF\/?uri=CELEX:32004R1935&amp;from=EN\" target=\"_blank\" rel=\"noreferrer noopener\">norme europ\u00e9enne EC 1935\/2004<\/a> fournit les indications pour les mat\u00e9riaux et les objets destin\u00e9s \u00e0 entrer en contact avec de la nourriture, dans l\u2019optique d\u2019\u00e9viter une contamination quelconque.<\/p>\n\n\n\n<p>Pour r\u00e9sumer les choses, il y a trois crit\u00e8res \u00e0 prendre en compte pour les ouvrages imprim\u00e9s en 3D de qualit\u00e9 alimentaire : la conception de l\u2019article, le mat\u00e9riau utilis\u00e9 et les traitements post-usinage.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"concevoir-un-article-de-qualite-alimentaire\">Concevoir un article de qualit\u00e9 alimentaire<\/h2>\n\n\n<p>Quand il s\u2019agit de r\u00e9aliser les surfaces d\u2019un article de qualit\u00e9 alimentaire, il faudra veiller \u00e0 prendre en consid\u00e9ration les points suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fentes et contre-d\u00e9pouilles : <\/strong>la surface devra \u00eatre con\u00e7ue de fa\u00e7on \u00e0 ce qu\u2019il n\u2019y ait pas la moindre fente ou contre-d\u00e9pouille pr\u00e9sente. Si ces \u00e9l\u00e9ments ne peuvent \u00eatre \u00e9vit\u00e9s pour des raisons fonctionnelles, ils devront \u00eatre ais\u00e9ment accessibles pour permettre un nettoyage exhaustif en cas de d\u00e9sassemblage du produit.<\/li>\n\n\n\n<li><strong>Ar\u00eates et cong\u00e9s : <\/strong>les ar\u00eates et les bords devront avoir des cong\u00e9s dont le rayon de courbure sera le plus large possible. Les sommets et les coins devront \u00eatre arrondis et les angles aigus \u00e9vit\u00e9s.&nbsp;<\/li>\n\n\n\n<li><strong>Robustesse : <\/strong>les articles devront \u00eatre con\u00e7us avec \u00e0 l\u2019esprit toutes les contraintes li\u00e9es \u00e0 l\u2019environnement op\u00e9rationnel, \u00e0 l\u2019usage attendu et aux propri\u00e9t\u00e9s du mat\u00e9riau de fabrication, ceci afin d\u2019\u00e9viter les d\u00e9faillances en cours d\u2019usage.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Food-safe-3D-printed-containers-1024x577.webp\" alt=\"Food-safe 3D printed containers\" class=\"wp-image-18727\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Food-safe-3D-printed-containers-1024x577.webp 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Food-safe-3D-printed-containers-300x169.webp 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Food-safe-3D-printed-containers-768x433.webp 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Food-safe-3D-printed-containers.webp 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Food-safe-3D-printed-containers.webp\" data-fancybox=\"gallery-23573\" data-caption=\"Conteneurs alimentaires imprim\u00e9s en 3D (Cr\u00e9dit image : PrusaPrinters Blog)\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Food-safe-3D-printed-containers.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><figcaption class=\"wp-element-caption\">Conteneurs alimentaires imprim\u00e9s en 3D (Cr\u00e9dit image : PrusaPrinters Blog)<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"utiliser-des-materiaux-dimpression-3d-de-qualite-alimentaire\"><strong>Utiliser des mat\u00e9riaux d\u2019impression 3D de qualit\u00e9 alimentaire<\/strong><\/h2>\n\n\n<p>De nombreux mat\u00e9riaux de qualit\u00e9 alimentaire obtiennent cette qualification au travers d\u2019une certification appropri\u00e9e et aux termes de nombreux tests. Certains mat\u00e9riaux, comme le PETG et le PP, sont connus pour \u00eatre intrins\u00e8quement sans danger vis-\u00e0-vis de la nourriture. Le choix du mat\u00e9riau d\u00e9pend surtout de l\u2019application finale. \u00c0 titre d\u2019exemple, le PLA est consid\u00e9r\u00e9 comme \u00e9tant de qualit\u00e9 alimentaire, mais est prompt \u00e0 fondre s\u2019il est utilis\u00e9 dans des applications \u00e0 hautes temp\u00e9ratures, comme les lave-vaisselles ou les tasses \u00e0 th\u00e9.&nbsp;<\/p>\n\n\n\n<p>La liste ci-dessous cite certaines propri\u00e9t\u00e9s \u00e0 prendre en compte quand on choisit un mat\u00e9riau d\u2019impression 3D de qualit\u00e9 alimentaire :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Non-absorbant : <\/strong>un traitement post-usinage est souvent n\u00e9cessaire pour rendre les surfaces non poreuses (polissage ou rev\u00eatement).<\/li>\n\n\n\n<li><strong>R\u00e9sistant aux rayures et aux entailles :<\/strong> le mat\u00e9riau choisi doit \u00eatre r\u00e9sistant aux rayures et \u00e0 l\u2019usure.<\/li>\n\n\n\n<li><strong>N\u2019est pas toxique et n\u2019a pas d\u2019influence sur le go\u00fbt et la couleur des aliments : <\/strong>tous les mat\u00e9riaux de qualit\u00e9 alimentaire se doivent d\u2019\u00eatre inertes vis-\u00e0-vis de la nourriture. Il est pr\u00e9f\u00e9rable d\u2019utiliser des filaments naturels, sans coloration ajout\u00e9e. Le document \u00ab <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Fiche_de_donn%C3%A9es_de_s%C3%A9curit%C3%A9\" target=\"_blank\" rel=\"noreferrer noopener\">Material Safety Data Sheet<\/a> \u00bb (MSDS), normalement disponible pour n\u2019importe quel mat\u00e9riau, devra toujours \u00eatre consult\u00e9 avant d\u2019utiliser un mat\u00e9riau sp\u00e9cifique.<\/li>\n<\/ul>\n\n\n<h3 class=\"wp-block-heading\" id=\"sterilisation\"><strong>St\u00e9rilisation<\/strong><\/h3>\n\n\n<p>La st\u00e9rilisation est une \u00e9tape additionnelle qui peut \u00eatre utilis\u00e9e pour augmenter la s\u00e9curit\u00e9 des mat\u00e9riaux d\u00e9j\u00e0 consid\u00e9r\u00e9s comme \u00e9tant de qualit\u00e9 alimentaire. Elle peut \u00eatre effectu\u00e9e au travers de nombreuses proc\u00e9dures : chaleur, agents chimiques, radiations, hautes pressions ou filtration. Cependant, tous les mat\u00e9riaux ne peuvent pas \u00eatre st\u00e9rilis\u00e9s.<\/p>\n\n\n\n<p><strong>Les cinq types de st\u00e9rilisation couvertes dans cette partie sont :&nbsp;<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gaz d\u2019oxyde d\u2019\u00e9thyl\u00e8ne (EtO)<\/li>\n\n\n\n<li>Plasma gazeux au p\u00e9roxyde d\u2019hydrog\u00e8ne<\/li>\n\n\n\n<li>Radiations gamma<\/li>\n\n\n\n<li>Autoclave<\/li>\n\n\n\n<li>Autoclave ultra-rapide<\/li>\n<\/ul>\n\n\n<h3 class=\"wp-block-heading\" id=\"materiaux-de-qualite-alimentaire-adaptes-a-limpression-3d\"><strong><strong>Mat\u00e9riaux de qualit\u00e9 alimentaire adapt\u00e9s \u00e0 l\u2019impression 3D<\/strong><\/strong><\/h3>\n\n<div class=\"custom-table-block \" id=\"table-id-904\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-904\" placeholder=\"Rechercher...\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"><strong data-rich-text-format-boundary=\"true\">Technologie d\u2019impression 3D<\/strong><\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"><strong>Mat\u00e9riaux<\/strong><\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"><strong>Technique(s) de st\u00e9rilisation utilisable(s)<\/strong><\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\">SLS \/ MJF<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\">Nylon PA 11 et nylon PA 12<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\">EtO, radiations gamma, plasma gazeux et autoclave<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\">SLS \/ MJF<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\">Polypropylene<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"0>Autoclave<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"1>FDM<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"20>ABS M30<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"31>EtO, radiations gamma<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"42>FDM<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"53>PC &#8211; ISO<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"64>EtO, radiations gamma<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"75>FDM<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"86>ULTEM 1010 \/ ULTEM 9085<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Open full image\"97>EtO, radiations gamma, autoclave<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"08>FDM<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"19>PETG<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"20>EtO<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"31>DLS de Carbon<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"42>CE 221, EPX 82, RPU 70<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"53>Irradiation, EtO, radiations gamma, autoclave<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"64>DLS de Carbon<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"75>FPU 50, EPU 40, SIL 30<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"86>Irradiation, radiations gamma<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"97>DMLS<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"08>Acier inoxydable 17.4 et acier inoxydable 316L<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"19>EtO, radiations gamma, plasma gazeux, Autoclave<\/td>\n<\/tr>\n<tr>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 26.8041%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"20>SLA<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 34.5361%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"31>True Silicone<\/td>\n<td class=\"block-editor-rich-text__editable wp-block-table__cell-content rich-text\" style=\"width: 38.5309%;\" role=\"textbox\" contenteditable=\"true\" aria-multiline=\"true\" aria-label=\"Body cell text\"42>Irradiation, EtO, Autoclave<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"procedes-dimpression-3d-de-qualite-alimentaire\"><strong>Proc\u00e9d\u00e9s d\u2019impression 3D de qualit\u00e9 alimentaire<\/strong><\/h2>\n\n\n<p>Il existe diff\u00e9rentes technologies d\u2019impression 3D disponibles pour diff\u00e9rents mat\u00e9riaux, qu\u2019il s\u2019agisse de plastiques, de mati\u00e8res flexibles ou de m\u00e9taux. Le processus d\u2019impression en lui-m\u00eame est un tout englobant \u00e0 la fois la technologie d\u2019impression et le mat\u00e9riau utilis\u00e9 : les deux doivent \u00eatre choisis avec beaucoup de soin avant de d\u00e9terminer le processus \u00e0 adopter.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"technologie-dimpression-3d\"><strong>Technologie d\u2019impression 3D<\/strong><\/h3>\n\n\n<p>La st\u00e9r\u00e9olithographie (SLA) est la technologie d\u2019impression 3D qui produit les ouvrages les plus exacts, avec la meilleure r\u00e9solution et le rendu de surface le plus lisse. La SLA utilise des r\u00e9sines qui, en elles-m\u00eames, ne sont pas de qualit\u00e9 alimentaire. La prolif\u00e9ration de bact\u00e9ries nocives peut \u00eatre pr\u00e9venue par l\u2019application d\u2019un rev\u00eatement, mais ce dernier finira par s\u2019user avec le temps. La technologie SLA permet \u00e9galement d\u2019imprimer \u00e0 l\u2019aide de mat\u00e9riaux c\u00e9ramiques qui sont consid\u00e9r\u00e9s comme \u00e9tant les plus s\u00fbrs du point de vue alimentaire.<\/p>\n\n\n\n<p>De par ses sp\u00e9cificit\u00e9s, l\u2019impression FDM produit des pi\u00e8ces comportant de nombreuses failles tr\u00e8s \u00e9troites entre chaque couche. De plus, elle n\u2019est pas particuli\u00e8rement connue pour g\u00e9n\u00e9rer des surfaces lisses. Afin d\u2019assurer une qualit\u00e9 alimentaire sur le long terme, les surfaces obtenues par impression 3D FDM doivent \u00eatre polies et un rev\u00eatement de qualit\u00e9 alimentaire pourra \u00eatre subs\u00e9quemment appliqu\u00e9.<\/p>\n\n\n\n<p>Dans le cas des technologies SLS et MJF, les articles peuvent \u00eatre directement imprim\u00e9s avec des mat\u00e9riaux de qualit\u00e9 alimentaire, comme le nylon PA 12, pour obtenir des pi\u00e8ces de haute qualit\u00e9. N\u00e9anmoins, l\u2019ajout d\u2019un rev\u00eatement de qualit\u00e9 alimentaire est hautement recommand\u00e9 pour rendre les articles non poreux.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"materiaux-dimpression-3d\"><strong>Mat\u00e9riaux d\u2019impression 3D<\/strong><\/h3>\n\n\n<p>Utiliser un mat\u00e9riau d\u2019impression 3D qui est le m\u00eame que celui ayant servi \u00e0 fabriquer l\u2019imprimante est une pratique dangereuse : il pourra en r\u00e9sulter une contamination des articles produits, et ce m\u00eame si le mat\u00e9riau employ\u00e9 est certifi\u00e9 de qualit\u00e9 alimentaire. Il est capital que toutes les pi\u00e8ces de l\u2019imprimante directement impliqu\u00e9es dans la fabrication soient certifi\u00e9es sans danger pour la nourriture.&nbsp;<\/p>\n\n\n\n<p>Pour les imprimantes FDM, la buse en laiton peut contenir des traces de plomb, lesquelles viendront contaminer les articles imprim\u00e9s. On peut pallier ce d\u00e9faut en rempla\u00e7ant les buses en laiton par des buses en acier inoxydable pour une impression plus s\u00fbre. Par cons\u00e9quent, avant d\u2019imprimer un ouvrage de qualit\u00e9 alimentaire, il est capital d\u2019\u00e9valuer rigoureusement tous les mat\u00e9riaux composant une imprimante afin de s\u2019assurer qu\u2019ils le sont eux-m\u00eames.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"traitements-postusinage-de-qualite-alimentaire\"><strong>Traitements post-usinage de qualit\u00e9 alimentaire<\/strong><\/h2>\n\n\n<p>Comme il a \u00e9t\u00e9 dit plus haut, nombreuses sont les pi\u00e8ces imprim\u00e9es en 3D \u00e0 n\u00e9cessiter un traitement post-usinage avant d\u2019\u00eatre consid\u00e9r\u00e9es comme \u00e9tant de qualit\u00e9 alimentaire. Diff\u00e9rents traitements et rev\u00eatements pourront \u00eatre appliqu\u00e9s pour garantir une surface des plus lisses, d\u00e9pourvue de failles ou d\u2019entailles.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"finitions\"><strong>Finitions<\/strong><\/h3>\n\n\n<p>Cette cat\u00e9gorie inclut les proc\u00e9d\u00e9s destin\u00e9s \u00e0 produire une surface lisse et plane. Il en existe de diff\u00e9rentes sortes, m\u00e9caniques ou chimiques :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Polissage au tambour :<\/strong> pour les pi\u00e8ces pr\u00e9sentant un taux \u00e9lev\u00e9 de poudre m\u00e9tallique, le polissage au tambour est particuli\u00e8rement efficace. Les impressions m\u00e9talliques, d\u00e9j\u00e0 relativement lisses par nature, pourront l\u2019\u00eatre encore plus apr\u00e8s juste une heure au tambour. Des dur\u00e9es prolong\u00e9es permettront d\u2019obtenir un \u00e9tat de surface encore plus lisse.<\/li>\n\n\n\n<li><strong>Polissage \u00e0 la vapeur : <\/strong>une m\u00e9thode rapide et efficace. Le type de vapeur employ\u00e9 d\u00e9pend du mat\u00e9riau d\u2019impression. Ce proc\u00e9d\u00e9 peut \u00eatre facilement automatis\u00e9 mais peut, dans certains cas, alt\u00e9rer la r\u00e9sistance m\u00e9canique de la pi\u00e8ce.<\/li>\n\n\n\n<li><strong>Polissage au papier de verre :<\/strong> l\u2019une des m\u00e9thodes de polissage les plus simples, elle peut ais\u00e9ment retirer la plupart des imperfections et dissimuler les failles entre les couches d\u2019impression. Attention cependant : la chaleur d\u00e9gag\u00e9e au cours de l\u2019abrasion peut entra\u00eener des d\u00e9formations de la pi\u00e8ce. On recommandera donc plut\u00f4t un polissage au papier abrasif humide.<\/li>\n\n\n\n<li><strong>Usinage : <\/strong>un proc\u00e9d\u00e9 davantage populaire avec les pi\u00e8ces m\u00e9talliques qu\u2019avec les pi\u00e8ces plastiques. Il est malheureusement peu pratique et on\u00e9reux d\u00e8s qu\u2019on a affaire \u00e0 des articles dont les parois sont minces.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"999\" height=\"668\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Powder-coatings-on-metal-parts.webp\" alt=\"Powder coatings on metal parts\" class=\"wp-image-18741\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Powder-coatings-on-metal-parts.webp 999w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Powder-coatings-on-metal-parts-300x201.webp 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Powder-coatings-on-metal-parts-768x514.webp 768w\" sizes=\"(max-width: 999px) 100vw, 999px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Powder-coatings-on-metal-parts.webp\" data-fancybox=\"gallery-23573\" data-caption=\"Rev\u00eatement par poudre sur des pi\u00e8ces m\u00e9talliques\" aria-label=\"Body cell text\"5><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Powder-coatings-on-metal-parts.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><figcaption class=\"wp-element-caption\">Rev\u00eatement par poudre sur des pi\u00e8ces m\u00e9talliques<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"revetements\"><strong>Rev\u00eatements<\/strong><\/h3>\n\n\n<p>L\u2019application d\u2019un rev\u00eatement est une m\u00e9thode efficace pour obtenir des surfaces lisses. Un rev\u00eatement sous forme d\u2019enduit peut \u00eatre appliqu\u00e9 m\u00eame sur des pi\u00e8ces non certifi\u00e9es, comme les r\u00e9sines employ\u00e9es en SLA. Les rev\u00eatements les plus commun\u00e9ment utilis\u00e9s sont \u00e0 base d\u2019\u00e9poxy. Garder \u00e0 l\u2019esprit, cependant, que l\u2019application d\u2019un rev\u00eatement fera varier l\u2019\u00e9paisseur de la pi\u00e8ce, un facteur qu\u2019il faudra prendre en compte au cours de la phase de conception.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\"><strong>Conclusion<\/strong><\/h2>\n\n\n<p>L\u2019impression 3D appliqu\u00e9e \u00e0 l\u2019industrie agro-alimentaire peut aider \u00e0 r\u00e9duire les co\u00fbts des produits et leur temps de mise sur le march\u00e9. Cependant, d\u00e8s qu\u2019il s\u2019agit de nourriture, la s\u00e9curit\u00e9 rev\u00eat rapidement une importance de premier plan. Bien que la plupart des imprimantes 3D ne soient pas capables de produire des surfaces suffisamment lisses pour cette industrie, l\u2019utilisation de traitements post-usinages peut permettre d\u2019atteindre le degr\u00e9 de finesse requis. L\u2019application d\u2019un rev\u00eatement est la meilleure fa\u00e7on d\u2019obtenir une surface lisse, tout en cr\u00e9ant une couche de s\u00e9paration \u00e9tanche entre la pi\u00e8ce et la nourriture.<\/p>\n\n\n\n<p>Xometry Europe offre des <a href=\"https:\/\/get.xometry.eu\/?locale=fr\">services en ligne d\u2019impression 3D<\/a>, \u00e0 la fois rapides, fiables et d\u2019une grande exactitude, pour toutes ces technologies et les mat\u00e9riaux associ\u00e9s. Gr\u00e2ce \u00e0 notre <a href=\"https:\/\/my.xometry.eu\/quote?locale=fr\">plateforme de devis instantan\u00e9<\/a> et notre r\u00e9seau de plus de 2000 fabricants partenaires, nous sommes en mesure de vous garantir que la production de vos pi\u00e8ces se d\u00e9roule sans accrocs, depuis le devis jusqu\u2019\u00e0 la livraison sur le pas de votre porte !<\/p>\n","protected":false},"author":50,"featured_media":18758,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[485],"class_list":["post-23573","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>Guide de l\u2019impression 3D de qualit\u00e9 alimentaire | Xometry Pro<\/title>\n<meta name=\"description\" content=\"Cet article explique comment 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