{"id":42450,"date":"2024-07-11T11:03:30","date_gmt":"2024-07-11T09:03:30","guid":{"rendered":"https:\/\/xometry.pro\/articles\/impact-post-processing-dimensional-accuracy\/"},"modified":"2024-10-28T17:19:13","modified_gmt":"2024-10-28T16:19:13","slug":"impact-post-traitement-sur-precision-dimensionnelle","status":"publish","type":"articles","link":"https:\/\/xometry.pro\/fr\/articles\/impact-post-traitement-sur-precision-dimensionnelle\/","title":{"rendered":"Impact du post-traitement sur la pr\u00e9cision dimensionnelle des pi\u00e8ces"},"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-techniques-courantes-de-post-traitement-dans-la-fabrication\">Techniques courantes de post-traitement dans la fabrication<\/a>\n\n<\/li>\n<li><a href=\"#h-l-impact-des-differentes-techniques-de-post-traitement-sur-la-precision-dimensionnelle\">L&rsquo;impact des diff\u00e9rentes techniques de post-traitement sur la pr\u00e9cision dimensionnelle<\/a>\n\n<\/li>\n<li><a href=\"#h-reglements-et-normes-pour-le-maintien-de-la-precision-dimensionnelle-pendant-le-post-traitement\">R\u00e8glements et normes pour le maintien de la pr\u00e9cision dimensionnelle pendant le post-traitement<\/a>\n\n<\/li>\n<li><a href=\"#h-outils-et-technologie-pour-la-surveillance-et-le-controle-des-changements-dimensionnels\">Outils et technologie pour la surveillance et le contr\u00f4le des changements dimensionnels<\/a>\n\n<\/li>\n<li><a href=\"#h-comment-refleter-les-tolerances-sur-les-dessins-techniques\">Comment refl\u00e9ter les tol\u00e9rances sur les dessins techniques<\/a>\n<\/li><\/ul><\/div>\n\n\n<p>Dans les domaines de la <a href=\"https:\/\/xometry.eu\/fr\/usinage-cnc\/\" target=\"_blank\" rel=\"noreferrer noopener\">fabrication traditionnelle<\/a> et de la <a href=\"https:\/\/xometry.eu\/fr\/impression-3d\/\" target=\"_blank\" rel=\"noreferrer noopener\">fabrication additive<\/a>, les phases de design et de production sont souvent au centre des pr\u00e9occupations. Cependant, les produits finaux, qu&rsquo;il s&rsquo;agisse de machines industrielles ou d&rsquo;appareils \u00e9lectroniques, n\u00e9cessitent souvent un post-traitement pour am\u00e9liorer leur apparence ou leurs caract\u00e9ristiques de durabilit\u00e9.<\/p>\n\n\n\n<p><a href=\"https:\/\/xometry.pro\/fr\/articles\/finitions\/\">Le post-traitement<\/a> dans la fabrication traditionnelle comprend l&rsquo;usinage, le polissage et le rev\u00eatement pour lisser les surfaces, enlever l&rsquo;exc\u00e8s de mati\u00e8re ou appliquer des finitions de protection. La fabrication additive utilise des m\u00e9thodes sp\u00e9cifiques telles que le retrait du support, le lissage des surfaces, la peinture a\u00e9rosol et le durcissement. Par exemple, les impressions 3D en r\u00e9sine n\u00e9cessitent un post-durcissement \u00e0 la lumi\u00e8re UV ou \u00e0 la chaleur pour se solidifier et am\u00e9liorer leurs propri\u00e9t\u00e9s m\u00e9caniques.<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-eu\/articles\/cnc-machining-finishes\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/finish-render-bead-blasting.png\" alt=\"Bead blasted\"><\/a><a href=\"https:\/\/xometry.pro\/en-eu\/articles\/cnc-machining-finishes\/\" class=\"aside-link\">Finitions de surface pour usinage CNC<\/a>    <\/aside>\r\n    \n\n\n<p>Mais quel impact le post-traitement a-t-il sur la pr\u00e9cision dimensionnelle des pi\u00e8ces ? La pi\u00e8ce va-t-elle se dilater ou se contracter ? Ce sont des questions essentielles \u00e0 prendre en compte lors de la cr\u00e9ation d&rsquo;un mod\u00e8le 3D pour s&rsquo;assurer que la pi\u00e8ce r\u00e9pond aux sp\u00e9cifications de design, fonctionne correctement et s&rsquo;assemble parfaitement.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/vapor-smoothed-part-accuracy-1024x768.jpg\" alt=\"A person using a digital caliper to measure the thickness of a black 3D-printed part, with the caliper\" class=\"wp-image-41969\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/vapor-smoothed-part-accuracy-1024x768.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/vapor-smoothed-part-accuracy-300x225.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/vapor-smoothed-part-accuracy-768x576.jpg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/vapor-smoothed-part-accuracy-1536x1152.jpg 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/vapor-smoothed-part-accuracy-2048x1536.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/vapor-smoothed-part-accuracy-scaled.jpg\" data-fancybox=\"gallery-42450\" data-caption=\"Mesure de la pr\u00e9cision d&#039;une pi\u00e8ce imprim\u00e9e en 3D liss\u00e9e \u00e0 la vapeur \u00e0 l&#039;aide d&#039;un calibre num\u00e9rique.\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/vapor-smoothed-part-accuracy-scaled.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\">Mesure de la pr\u00e9cision d&rsquo;une pi\u00e8ce imprim\u00e9e en 3D liss\u00e9e \u00e0 la vapeur \u00e0 l&rsquo;aide d&rsquo;un calibre num\u00e9rique.<\/figcaption><\/figure>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/fr\/articles\/impression-3d-finitions\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Closeup-of-a-SLS-PA12-3D-printed-part-with-black-dying-and-vapour-smoothing-.webp\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/fr\/articles\/impression-3d-finitions\/\" class=\"aside-link\">Finitions de surface pour impression 3D<\/a>    <\/aside>\r\n    \n\n<h2 class=\"wp-block-heading\" id=\"h-techniques-courantes-de-post-traitement-dans-la-fabrication\"><strong>Techniques courantes de post-traitement dans la fabrication<\/strong><\/h2>\n\n\n<p>Lors de la conception, le post-traitement est important car il am\u00e9liore l&rsquo;apparence et la fonctionnalit\u00e9 des pi\u00e8ces. Cela signifie \u00e9galement qu&rsquo;il affecte la pr\u00e9cision dimensionnelle. Il existe plusieurs m\u00e9thodes de post-traitement typiques qui sont utilis\u00e9es dans l&rsquo;usinage CNC, la fabrication de t\u00f4les et l&rsquo;impression 3D :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Microbillage :<\/strong> Cette technique utilise un jet haute pression de petites billes, souvent en verre ou en plastique, dirig\u00e9es vers la surface de la pi\u00e8ce, \u00e9liminant tous les d\u00e9fauts et lui donnant un aspect uniforme. Le processus peut adoucir l\u00e9g\u00e8rement les ar\u00eates vives, ce qui peut modifier les dimensions cl\u00e9s, en particulier l\u00e0 o\u00f9 les d\u00e9tails sont complexes.<\/li>\n\n\n\n<li><strong>Polissage \u00e9lectrolytique : <\/strong>Il s&rsquo;agit d&rsquo;une m\u00e9thode \u00e9lectrochimique qui \u00e9limine les couches tr\u00e8s minces de l&rsquo;acier, assurant des surfaces brillantes apr\u00e8s le nettoyage. Cependant, le processus d&rsquo;\u00e9limination produit un \u00e9moussement et entra\u00eene des ajustements minimes pour s&rsquo;adapter aux exigences de pr\u00e9cision en raison des changements de dimension.<\/li>\n\n\n\n<li><strong>Lissage \u00e0 la vapeur :<\/strong> Le lissage \u00e0 la vapeur consiste \u00e0 mettre les objets cr\u00e9\u00e9s \u00e0 partir de l&rsquo;impression 3D en contact avec des vapeurs chimiques, ce qui entra\u00eene la fusion et la r\u00e9gulation des surfaces ext\u00e9rieures. Ce processus peut modifier les petits \u00e9l\u00e9ments et \u00e9mousser les ar\u00eates vives, en particulier pour les pi\u00e8ces finement d\u00e9taill\u00e9es.<\/li>\n\n\n\n<li><strong>Tribofinition du m\u00e9dia<\/strong> : En plus de l&rsquo;\u00e9limination des bavures, la tribofinition du m\u00e9dia polit \u00e9galement les surfaces en les pla\u00e7ant dans des r\u00e9cipients vibrants \u00e9quip\u00e9s de supports abrasifs. Ce processus ne convient pas aux \u00e9l\u00e9ments fragiles des pi\u00e8ces telles que les ar\u00eates vives.<\/li>\n\n\n\n<li><strong>Sablage : <\/strong>Le sablage utilise des particules \u00e0 grande vitesse pour nettoyer les surfaces ainsi que pour texturer avant l&rsquo;application de peinture ou d&rsquo;autres traitements.<\/li>\n\n\n\n<li><strong>Rev\u00eatement par poudre :<\/strong> Ici, des poudres s\u00e8ches sont appliqu\u00e9es \u00e9lectrostatiquement sur un objet qui sera ensuite chauff\u00e9 pour durcir le rev\u00eatement et en faire un rev\u00eatement durable. Cependant, le processus augmente l\u00e9g\u00e8rement les dimensions et peut causer des probl\u00e8mes d&rsquo;assemblage pour les composants serr\u00e9s.<\/li>\n\n\n\n<li><strong>Placage : <\/strong>Le placage consiste \u00e0 d\u00e9poser un rev\u00eatement m\u00e9tallique sur une surface pour am\u00e9liorer la conductivit\u00e9 \u00e9lectrique, la r\u00e9sistance \u00e0 l&rsquo;usure et la protection contre la corrosion.<\/li>\n\n\n\n<li><strong>Anodisation :<\/strong> L&rsquo;anodisation, qui se d\u00e9cline en diff\u00e9rents types (Type II et Type III \u00e9tant les plus couramment utilis\u00e9s), est un proc\u00e9d\u00e9 \u00e9lectrochimique utilis\u00e9 pour augmenter la couche d&rsquo;oxyde sur les surfaces m\u00e9talliques.<\/li>\n\n\n\n<li><strong>Passivation :<\/strong> C&rsquo;est le processus par lequel les pi\u00e8ces en acier inoxydable sont trait\u00e9es pour \u00e9liminer le fer libre et obtenir une meilleure r\u00e9sistance \u00e0 la corrosion par la formation d&rsquo;une couche d&rsquo;oxyde protectrice.<\/li>\n\n\n\n<li><strong>Peinture a\u00e9rosol :<\/strong> Ce processus est utilis\u00e9 pour appliquer de la peinture sur des pi\u00e8ces \u00e0 des fins esth\u00e9tiques et de protection, modifiant potentiellement l\u00e9g\u00e8rement les dimensions.<\/li>\n<\/ul>\n\n\n    <section class=\"article-author-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <div class=\"author-block\">\r\n                            <\/div>\r\n                <div class=\"quote-block\" style=\"border-color: #0E6AED;\">\r\n                    <p>Certaines m\u00e9thodes de post-traitement peuvent \u00eatre combin\u00e9es pour obtenir des r\u00e9sultats am\u00e9lior\u00e9s, telles que le lissage \u00e0 la vapeur suivi d&rsquo;une peinture a\u00e9rosol pour obtenir une surface lisse et color\u00e9e, ou le sablage suivi d&rsquo;une anodisation pour obtenir une finition mate et r\u00e9sistante \u00e0 la corrosion.<\/p>\n                <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/www.youtube.com\/playlist?list=PLQSLwu4VbvzKgzu9I6xGv3uc_0V32M377\" target=\"_blank\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finishing-icon.svg\" alt=\"\"><\/a><a href=\"https:\/\/www.youtube.com\/playlist?list=PLQSLwu4VbvzKgzu9I6xGv3uc_0V32M377\" target=\"_blank\" class=\"aside-link\"> Regardez notre s\u00e9rie de vid\u00e9os \u00ab Le post-traitement expliqu\u00e9 \u00bb<\/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\/2024\/06\/finish-render-bead-blasting.png\" alt=\"Bead blasted\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/finish-render-bead-blasting.png\" data-fancybox=\"gallery\" data-caption=\"Microbillage\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/finish-render-bead-blasting.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"Bead blasted\" 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>Microbillage<\/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\/finish-render-electropolishing.png\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-electropolishing.png\" data-fancybox=\"gallery\" data-caption=\"Polissage \u00e9lectrolytique\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-electropolishing.png\" 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>Polissage \u00e9lectrolytique<\/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\/finish-render-media-tumbling.png\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-media-tumbling.png\" data-fancybox=\"gallery\" data-caption=\"Tribofinition de m\u00e9dia\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-media-tumbling.png\" 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>Tribofinition de m\u00e9dia<\/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\/09\/Powder-Coating-Render-RAL-9004-Signal-Black-1.png\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/Powder-Coating-Render-RAL-9004-Signal-Black-1.png\" data-fancybox=\"gallery\" data-caption=\"Rev\u00eatement par poudre\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/Powder-Coating-Render-RAL-9004-Signal-Black-1.png\" 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>Rev\u00eatement par poudre<\/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\/finish-render-plating-silver.png\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-plating-silver.png\" data-fancybox=\"gallery\" data-caption=\"Argenture \u00e9lectrolytique\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-plating-silver.png\" 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>Argenture \u00e9lectrolytique<\/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\/2024\/06\/finish-render-anodizing-type-II-black.png\" alt=\"Anodizing black\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/finish-render-anodizing-type-II-black.png\" data-fancybox=\"gallery\" data-caption=\"Anodisation (type II)\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/finish-render-anodizing-type-II-black.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"Anodizing black\" 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>Anodisation (type II)<\/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\/finish-render-passivation.png\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-passivation.png\" data-fancybox=\"gallery\" data-caption=\"Passivation\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-passivation.png\" 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>Passivation<\/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\/12\/SLS-PA12-3D-printed-part-with-a-black-spray-painting-finish.webp\" alt=\"SLS PA12 3D printed part with a black spray painting finish\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/SLS-PA12-3D-printed-part-with-a-black-spray-painting-finish.webp\" data-fancybox=\"gallery\" data-caption=\"Peinture a\u00e9rosol\" aria-label=\"Open full image\">\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/SLS-PA12-3D-printed-part-with-a-black-spray-painting-finish.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS PA12 3D printed part with a black spray painting finish\" 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>Peinture a\u00e9rosol<\/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-pa11-media-tumbled-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS PA media tumbled\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/sls-pa11-media-tumbled-front-sample-part-xometry-1440x1153-1.webp\" data-fancybox=\"gallery\" data-caption=\"Tribofinition de m\u00e9dia\" aria-label=\"Open full image\"0>\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/sls-pa11-media-tumbled-front-sample-part-xometry-1440x1153-1.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"SLS PA media tumbled\" 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>Tribofinition de m\u00e9dia<\/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\/2024\/07\/MJF-PA12-Natural-Vapour-Fusion-Front-scaled.jpg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/MJF-PA12-Natural-Vapour-Fusion-Front-scaled.jpg\" data-fancybox=\"gallery\" data-caption=\"Lissage \u00e0 la vapeur\" aria-label=\"Open full image\"1>\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/MJF-PA12-Natural-Vapour-Fusion-Front-scaled.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>Lissage \u00e0 la vapeur<\/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\/2024\/06\/finish-render-bead-blasting.png\" alt=\"Bead blasted\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-electropolishing.png\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-media-tumbling.png\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/09\/Powder-Coating-Render-RAL-9004-Signal-Black-1.png\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-plating-silver.png\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/finish-render-anodizing-type-II-black.png\" alt=\"Anodizing black\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/finish-render-passivation.png\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/SLS-PA12-3D-printed-part-with-a-black-spray-painting-finish.webp\" alt=\"SLS PA12 3D printed part with a black spray painting finish\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/08\/sls-pa11-media-tumbled-front-sample-part-xometry-1440x1153-1.webp\" alt=\"SLS PA media tumbled\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/MJF-PA12-Natural-Vapour-Fusion-Front-scaled.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-l-impact-des-differentes-techniques-de-post-traitement-sur-la-precision-dimensionnelle\"><strong>L&rsquo;impact des diff\u00e9rentes techniques de post-traitement sur la pr\u00e9cision dimensionnelle<\/strong><\/h2>\n\n\n<p>Lorsque vous envisagez le post-traitement des pi\u00e8ces, il est important de comprendre comment chaque technique affecte \u00e0 la fois la pr\u00e9cision dimensionnelle et la finition de surface. Le tableau ci-dessous compare diff\u00e9rentes m\u00e9thodes de post-traitement (toutes disponibles sur <a href=\"https:\/\/get.xometry.eu\/?locale=fr\" target=\"_blank\" rel=\"noreferrer noopener\">le moteur de devis instantan\u00e9\u00ae<\/a> de Xometry), y compris leurs effets sur la pr\u00e9cision dimensionnelle du mat\u00e9riau et la finition de surface typique \u00e0 laquelle vous pouvez vous attendre.<\/p>\n\n\n<div class=\"custom-table-block table-with-white-space\" id=\"table-id-176\" >\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-176\" placeholder=\"Rechercher...\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table width=\"892\">\n<tbody>\n<tr>\n<td width=\"140\"><strong>Technique<\/strong><\/td>\n<td width=\"178\"><strong>Changement dimensionnel<\/strong><\/td>\n<td width=\"130\"><strong>Finition de surface<\/strong><\/td>\n<td width=\"223\"><strong>Applications typiques<\/strong><\/td>\n<td width=\"221\"><strong>Mat\u00e9riaux avec lesquels elles fonctionnent<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Microbillage<\/td>\n<td width=\"178\">N\u00e9gligeable<\/td>\n<td width=\"130\">Mat\/satin\u00e9,<\/p>\n<p>Granuleux<\/td>\n<td width=\"223\">Finition esth\u00e9tique, pr\u00e9paration<\/p>\n<p>de surface pour rev\u00eatements<\/td>\n<td width=\"221\">M\u00e9taux, plastiques,<\/p>\n<p>composites<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Polissage \u00e9lectrolytique<\/td>\n<td width=\"178\">L\u00e9g\u00e8re r\u00e9duction (0,00635 mm)<\/td>\n<td width=\"130\">Lumineux, lisse<\/td>\n<td width=\"223\">Am\u00e9lioration de la r\u00e9sistance \u00e0 la corrosion et lissage des micro-pics et des vall\u00e9es<\/td>\n<td width=\"221\">Acier inoxydable, aluminium, cuivre<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Lissage \u00e0 la vapeur<\/td>\n<td width=\"178\">R\u00e9duction mineure (~ 0,023 mm)<\/td>\n<td width=\"130\">Brillant, lisse<\/td>\n<td width=\"223\">Am\u00e9lioration de la qualit\u00e9 de surface des pi\u00e8ces imprim\u00e9es en 3D<\/td>\n<td width=\"221\">Thermoplastique<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Tribofinition du m\u00e9dia<\/td>\n<td width=\"178\">N\u00e9gligeable<\/td>\n<td width=\"130\">Finition satin\u00e9e<\/td>\n<td width=\"223\">Pi\u00e8ces \u00e0 surface liss\u00e9e<\/td>\n<td width=\"221\">M\u00e9taux, plastiques<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Sablage<\/td>\n<td width=\"178\">L\u00e9g\u00e8re r\u00e9duction (~0.005\u20130.025 mm)<\/td>\n<td width=\"130\">Finition mate<\/td>\n<td width=\"223\">Pr\u00e9paration de surface pour la peinture<\/td>\n<td width=\"221\">M\u00e9taux, plastiques<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Rev\u00eatement par poudre<\/td>\n<td width=\"178\">Ajout (~0,02\u20130,05 mm)<\/td>\n<td width=\"130\">Mat ou brillant, color\u00e9<\/td>\n<td width=\"223\">Pi\u00e8ces r\u00e9sistantes \u00e0 l\u2019usure, esth\u00e9tique<\/td>\n<td width=\"221\">M\u00e9taux, plastiques<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Placage<\/td>\n<td width=\"178\">Ajout (~0,02\u20130,05 mm)<\/td>\n<td width=\"130\">Finition m\u00e9tallis\u00e9e<\/td>\n<td width=\"223\">Composants \u00e9lectriques, pi\u00e8ces r\u00e9sistantes \u00e0 l&rsquo;usure<\/td>\n<td width=\"221\">M\u00e9taux (par exemple, cuivre, nickel)<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Passivation<\/td>\n<td width=\"178\">N\u00e9gligeable<\/td>\n<td width=\"130\">Mat, r\u00e9sistance accrue<\/td>\n<td width=\"223\">Am\u00e9liorations esth\u00e9tiques, protection de surface<\/td>\n<td width=\"221\">Acier inoxydable<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Peinture a\u00e9rosol<\/td>\n<td width=\"178\">Ajout (~0,02\u20130,05 mm)<\/td>\n<td width=\"130\">Lisse, color\u00e9<\/td>\n<td width=\"223\">Am\u00e9lioration et protection des surfaces<\/td>\n<td width=\"221\">M\u00e9taux, plastiques<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Anodisation (type II)<\/td>\n<td width=\"178\">Ajout (~0.0025 mm)<\/td>\n<td width=\"130\">Mat ou brillant, color\u00e9<\/td>\n<td width=\"223\">R\u00e9sistance \u00e0 la corrosion, pi\u00e8ces durables<\/td>\n<td width=\"221\">Aluminium<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Anodisation (type III)<\/td>\n<td width=\"178\">Ajout (~0.025 mm)<\/td>\n<td width=\"130\">Mat ou l\u00e9g\u00e8rement rugueux, color\u00e9<\/td>\n<td width=\"223\">Applications \u00e0 haute usure, composants m\u00e9caniques, r\u00e9sistance \u00e0 la corrosion, pi\u00e8ces durables<\/td>\n<td width=\"221\">Aluminium<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Peinture a\u00e9rosol et polissage \u00e0 la vapeur<\/td>\n<td width=\"178\">Ajout (~ 0,012-0,25 mm) ; l\u00e9g\u00e8re r\u00e9duction (n\u00e9gligeable)<\/td>\n<td width=\"130\">Lisse, color\u00e9 ; Brillant, lisse<\/td>\n<td width=\"223\">Combiner l&rsquo;am\u00e9lioration\/la protection de la surface et l&rsquo;am\u00e9lioration de la qualit\u00e9 pour les pi\u00e8ces imprim\u00e9es en 3D<\/td>\n<td width=\"221\">Thermoplastique<\/td>\n<\/tr>\n<tr>\n<td width=\"140\">Sablage et anodisation<\/td>\n<td width=\"178\">R\u00e9duction n\u00e9gligeable (~0,0025-0,025 mm)<\/td>\n<td width=\"130\">Mat ou satin\u00e9, granuleux ; Mat ou brillant, color\u00e9<\/td>\n<td width=\"223\">Pr\u00e9paration de la surface et protection des pi\u00e8ces en aluminium<\/td>\n<td width=\"221\">Aluminium<\/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    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/fr\/topic\/how-does-vapor-polishing-effect-3d-prints-tolerance\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/community-icon-1.svg\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/fr\/topic\/how-does-vapor-polishing-effect-3d-prints-tolerance\/\" class=\"aside-link\">Forum : Comment se traduit le polissage \u00e0 la vapeur sur la tol\u00e9rance des impressions 3D ?<\/a>    <\/aside>\r\n    \n\n<h2 class=\"wp-block-heading\" id=\"h-reglements-et-normes-pour-le-maintien-de-la-precision-dimensionnelle-pendant-le-post-traitement\"><strong>R\u00e8glements et normes pour le maintien de la pr\u00e9cision dimensionnelle pendant le post-traitement<\/strong><\/h2>\n\n\n<p>Voici un bref aper\u00e7u des normes relatives \u00e0 la maintenance de la pr\u00e9cision dimensionnelle pendant le post-traitement couramment utilis\u00e9 en Europe, au Royaume-Uni et en Turquie :<\/p>\n\n\n<div class=\"custom-table-block \" id=\"table-id-923\" >\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-923\" placeholder=\"Rechercher...\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table width=\"892\">\n<tbody>\n<tr>\n<td width=\"117\"><strong>Standard<\/strong><\/td>\n<td width=\"254\"><strong>Utilisation<\/strong><\/td>\n<td width=\"235\"><strong>Objectif<\/strong><\/td>\n<td width=\"286\"><strong>Exemple d&rsquo;application<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"117\"><a href=\"https:\/\/www.iso.org\/standard\/7748.html\" target=\"_blank\" rel=\"noopener\">ISO 2768<\/a><\/td>\n<td width=\"254\">\u00c9tablit des tol\u00e9rances g\u00e9n\u00e9rales pour les dimensions lin\u00e9aires, les dimensions angulaires et les tol\u00e9rances g\u00e9om\u00e9triques dans les pi\u00e8ces m\u00e9talliques non associ\u00e9es<\/td>\n<td width=\"235\">Assure la coh\u00e9rence de la taille tout au long des diff\u00e9rents processus de fabrication et des \u00e9tapes de post-production<\/td>\n<td width=\"286\">Indique les tol\u00e9rances moyennes pour un arbre m\u00e9tallique usin\u00e9 par CNC d&rsquo;un diam\u00e8tre de 50 mm comme \u00ab ISO 2768-m \u00bb sur le plan<\/td>\n<\/tr>\n<tr>\n<td width=\"117\"><a href=\"https:\/\/www.iso.org\/standard\/66777.html\" target=\"_blank\" rel=\"noopener\">ISO 1101<\/a><\/td>\n<td width=\"254\">D\u00e9finit les limites admissibles pour les variations de la g\u00e9om\u00e9trie de la pi\u00e8ce, en se concentrant sur les tol\u00e9rances de forme et de position<\/td>\n<td width=\"235\">S&rsquo;assure que les composants r\u00e9pondent aux normes g\u00e9om\u00e9triques malgr\u00e9 les changements dimensionnels lors des op\u00e9rations de finition<\/td>\n<td width=\"286\">Sp\u00e9cifie la perpendicularit\u00e9 : \u22a5 0,1 ISO 1101 pour qu&rsquo;un trou reste dans une zone de tol\u00e9rance de 0,1 mm par rapport \u00e0 un plan de r\u00e9f\u00e9rence donn\u00e9<\/td>\n<\/tr>\n<tr>\n<td width=\"117\"><a href=\"https:\/\/www.gdandtbasics.com\/asme-y14-5-gdt-standard\/\" target=\"_blank\" rel=\"noopener\">ASME Y14.5<\/a><\/td>\n<td width=\"254\">D\u00e9crit comment les symboles du syst\u00e8me de cotation GD&amp;T sp\u00e9cifient les variations admissibles des tailles et des formes des pi\u00e8ces \u00e0 l&rsquo;aide de contr\u00f4les tels que le contr\u00f4le de position<\/td>\n<td width=\"235\">Assure l&rsquo;uniformit\u00e9 et une grande pr\u00e9cision pendant et apr\u00e8s la fabrication<\/td>\n<td width=\"286\">Utilisation du symbole de tol\u00e9rance de position sur le dessin : Position : \u24c5 0.2 | \u230010 | A B C*<\/td>\n<\/tr>\n<tr>\n<td width=\"117\"><a href=\"https:\/\/www.astm.org\/d0618-21.html\" target=\"_blank\" rel=\"noopener\">ASTM D618<\/a><\/td>\n<td width=\"254\">D\u00e9crit la pratique de conditionnement des plastiques \u00e0 des fins de test apr\u00e8s moulage pour tester les effets de lissage thermique ou chimique<\/td>\n<td width=\"235\">Assure la pr\u00e9cision dimensionnelle en conditionnant les \u00e9chantillons pour l&rsquo;\u00e9quilibre avant d&rsquo;autres op\u00e9rations<\/td>\n<td width=\"286\">Conditionnement des \u00e9chantillons plastiques pendant 48 heures \u00e0 50\u00b0C, puis 96 heures \u00e0 23\u00b0C avec 50 % d&rsquo;humidit\u00e9 relative avant lissage chimique<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*Le centre du trou doit se situer dans une zone de 0,2 mm de diam\u00e8tre autour des donn\u00e9es de r\u00e9f\u00e9rence \u00ab A \u00bb, \u00ab B \u00bb et \u00ab C \u00bb afin qu&rsquo;un assemblage pr\u00e9cis puisse \u00eatre r\u00e9alis\u00e9 pendant le post-traitement.<\/p>\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    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/fr\/guides\/livre-blanc-tolerances-pieces-usinees\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/Fusion360_LoadingPart-Illustration-1.png\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/fr\/guides\/livre-blanc-tolerances-pieces-usinees\/\" class=\"aside-link\">eBook: La ma\u00eetrise des tol\u00e9rances pour les pi\u00e8ces usin\u00e9es<\/a>    <\/aside>\r\n    \n\n<h2 class=\"wp-block-heading\" id=\"h-outils-et-technologie-pour-la-surveillance-et-le-controle-des-changements-dimensionnels\"><strong>Outils et technologie pour la surveillance et le contr\u00f4le des changements dimensionnels<\/strong><\/h2>\n\n\n<p>La surveillance\/le contr\u00f4le des changements dimensionnels pendant le post-traitement n\u00e9cessite des technologies ou des outils pr\u00e9cis. Certaines solutions cl\u00e9s incluent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Les machines de mesure des coordonn\u00e9es (CMM) <\/strong>: Ces machines utilisent une sonde pour mesurer avec pr\u00e9cision les formes physiques d&rsquo;un objet. Elles sont utiles pour v\u00e9rifier les mesures et d\u00e9tecter tout \u00e9cart par rapport aux sp\u00e9cifications de design. Elles excellent dans la pr\u00e9cision, atteignant souvent des mesures ave des pr\u00e9cisions de l&rsquo;ordre du microm\u00e8tre (0,001 mm), d\u00e9passant de loin la pr\u00e9cision typique des calibres num\u00e9riques, qui est d&rsquo;environ 0,01 mm.<\/li>\n\n\n\n<li><strong>Les scanners laser <\/strong>: Les scanners laser fournissent des mesures sans contact. Elles g\u00e9n\u00e8rent des mod\u00e8les 3D haute r\u00e9solution de pi\u00e8ces qui sont ensuite compar\u00e9s \u00e0 des designs r\u00e9alis\u00e9s par CAO pour d\u00e9terminer tout changement dimensionnel.<\/li>\n\n\n\n<li><strong>Les comparateurs optiques <\/strong>: Ces appareils projettent le profil d&rsquo;une pi\u00e8ce sur un \u00e9cran et permettent une comparaison visuelle avec des normes pr\u00e9d\u00e9finies. Ils sont particuli\u00e8rement utiles pour surveiller les changements dimensionnels des petites pi\u00e8ces complexes.<\/li>\n\n\n\n<li><strong>Les calibres et microm\u00e8tres num\u00e9riques<\/strong> : Pour des mesures rapides et pr\u00e9cises, les \u00e9triers et microm\u00e8tres num\u00e9riques offrent une excellente pr\u00e9cision lorsqu&rsquo;il s&rsquo;agit de mesurer des longueurs ou des \u00e9paisseurs, ce qui est imp\u00e9ratif pour le contr\u00f4le de la qualit\u00e9.<\/li>\n\n\n\n<li><strong>Les testeurs de rugosit\u00e9 de surface <\/strong>: Ceux-ci d\u00e9terminent la qualit\u00e9 des finitions de surface en identifiant les changements qui affecteraient la pr\u00e9cision dimensionnelle r\u00e9sultant de pratiques telles que le pon\u00e7age ou le polissage par post-traitement.<\/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=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/engineer-using-cmm-measuring-3d-printed-part-close-up-1024x683.jpg\" alt=\"Engineer using a coordinate measuring machine (CMM) to inspect a 3D-printed part in a lab setting\" class=\"wp-image-41993\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/engineer-using-cmm-measuring-3d-printed-part-close-up-1024x683.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/engineer-using-cmm-measuring-3d-printed-part-close-up-300x200.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/engineer-using-cmm-measuring-3d-printed-part-close-up-768x512.jpg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/engineer-using-cmm-measuring-3d-printed-part-close-up-1536x1024.jpg 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/engineer-using-cmm-measuring-3d-printed-part-close-up-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/engineer-using-cmm-measuring-3d-printed-part-close-up-scaled.jpg\" data-fancybox=\"gallery-42450\" data-caption=\"Un ing\u00e9nieur inspectant une pi\u00e8ce \u00e0 l&#039;aide d&#039;une machine de mesure de coordonn\u00e9es (CMM) pour garantir la pr\u00e9cision des dimensions\" aria-label=\"Open full image\"2><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/engineer-using-cmm-measuring-3d-printed-part-close-up-scaled.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\">Un ing\u00e9nieur inspectant une pi\u00e8ce \u00e0 l&rsquo;aide d&rsquo;une machine de mesure de coordonn\u00e9es (CMM) pour garantir la pr\u00e9cision des dimensions<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comment-refleter-les-tolerances-sur-les-dessins-techniques\"><strong>Comment refl\u00e9ter les tol\u00e9rances sur les dessins techniques<\/strong><\/h2>\n\n\n<p>Pour refl\u00e9ter les processus de finition, tels que l&rsquo;anodisation, sur les dessins techniques, il est n\u00e9cessaire d&rsquo;indiquer les tol\u00e9rances de post-traitement pour toute exigence sp\u00e9cifique du client (par exemple, anodisation dure 50 \u00b5m).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pr\u00e9cisez clairement sur le dessin que les tol\u00e9rances sur le dessin sont des tol\u00e9rances post-traitement.<\/li>\n\n\n\n<li>Pour les traitements fins (&lt;10 \u00b5m), les tol\u00e9rances finales peuvent souvent \u00eatre garanties. Pour tout traitement d&rsquo;une \u00e9paisseur sup\u00e9rieure \u00e0 10 \u00b5m, il est recommand\u00e9 de masquer certaines surfaces pour \u00e9viter des changements dimensionnels post-traitement impr\u00e9visibles (par exemple, masquer des trous filet\u00e9s pour garantir leur conformit\u00e9 aux tol\u00e9rances et leur fonctionnalit\u00e9 apr\u00e8s l&rsquo;application d&rsquo;une couche d&rsquo;anodisation \u00e9paisse).<\/li>\n\n\n\n<li>Ajoutez tous les symboles de finition de surface (rugosit\u00e9) et les tol\u00e9rances sp\u00e9cifiques (lin\u00e9aires ou g\u00e9om\u00e9triques) qui garantiront que la pi\u00e8ce r\u00e9pond \u00e0 ses exigences fonctionnelles.<\/li>\n<\/ul>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.eu\/fr\/\" target=\"_blank\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/manual_quote_ready.svg\" alt=\"\"><\/a><a href=\"https:\/\/xometry.eu\/fr\/\" target=\"_blank\" class=\"aside-link\">Approvisionnement de pi\u00e8ces avec post-traitement chez Xometry<\/a>    <\/aside>\r\n    ","protected":false},"author":50,"featured_media":41986,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[597,692],"class_list":["post-42450","articles","type-articles","status-publish","has-post-thumbnail","hentry","global-tag-finitions","global-tag-design-fr"],"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>Impact du post-traitement sur la pr\u00e9cision dimensionnelle | Xometry Pro<\/title>\n<meta name=\"description\" content=\"Discover how post-processing impacts dimensional accuracy in manufacturing, affecting the final dimensions and functionality of parts.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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