{"id":1376,"date":"2023-11-16T08:00:18","date_gmt":"2023-11-16T08:00:18","guid":{"rendered":"https:\/\/novanta.com\/fr\/precision-manufacturing\/resources\/whitepapers\/precision-detalonnage-des-sous-systemes-de-tete-de-balayage-laser\/"},"modified":"2026-09-02T11:02:00","modified_gmt":"2026-09-02T11:02:00","slug":"precision-detalonnage-des-sous-systemes-de-tete-de-balayage-laser","status":"publish","type":"novanta_tech_paper","link":"https:\/\/novanta.com\/fr\/precision-manufacturing\/ressources\/documents-blancs\/precision-detalonnage-des-sous-systemes-de-tete-de-balayage-laser\/","title":{"rendered":"Pr\u00e9cision d&rsquo;\u00e9talonnage des sous-syst\u00e8mes laser et de t\u00eate de balayage"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-technical-paper-overview\">Pr\u00e9sentation de l&rsquo;article technique<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-calibration-accuracy-for-laser-amp-scan-head-sub-systems-calibration-method-not-scan-head-spec-decides-mark-on-the-fly-accuracy\">Pr\u00e9cision d&rsquo;\u00e9talonnage des sous-syst\u00e8mes laser et de t\u00eate de balayage C&rsquo;est la m\u00e9thode d&rsquo;\u00e9talonnage, et non les caract\u00e9ristiques techniques de la t\u00eate de balayage, qui d\u00e9termine la pr\u00e9cision du marquage \u00e0 la vol\u00e9e.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La pr\u00e9cision de l\u2019\u00e9talonnage est la caract\u00e9ristique qui d\u00e9termine discr\u00e8tement le bon fonctionnement des applications laser \u00e0 positionnement dynamique. Pour les t\u00e2ches statiques (marquage r\u00e9p\u00e9titif \u00e0 des positions fixes), les pr\u00e9r\u00e9glages d\u2019usine suffisent. Mais pour le \u00ab Mark-on-the-Fly \u00bb, le positionnement par cam\u00e9ra, les semi-conducteurs et la mobilit\u00e9 \u00e9lectrique, la distorsion en coussin des miroirs X\/Y, combin\u00e9e \u00e0 la distorsion du barillet de l\u2019objectif F-Th\u00eata, entra\u00eene des erreurs de positionnement qu\u2019aucun ajustement post-traitement ne peut corriger.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article technique r\u00e9dig\u00e9 par trois auteurs de Novanta compare trois m\u00e9thodes d\u2019\u00e9talonnage (manuel, scanner \u00e0 plat, m\u00e9trologie) sur deux t\u00eates de balayage de Cambridge Technology (versia hybride + Lightning II enti\u00e8rement num\u00e9rique) sur des substrats en papier et en verre \u2014 avec des r\u00e9sultats empiriques : l\u2019\u00e9talonnage manuel g\u00e9n\u00e8re une erreur de champ de num\u00e9risation d\u2019environ 1 %, le num\u00e9riseur \u00e0 plat d\u2019environ 0,1 %, et la m\u00e9trologie n\u2019est limit\u00e9e que par la pr\u00e9cision intrins\u00e8que du MicroVu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-include\">Principaux enseignements :<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pourquoi la pr\u00e9cision de l\u2019\u00e9talonnage est ignor\u00e9e dans les fiches techniques alors qu\u2019elle est d\u00e9terminante pour la r\u00e9ussite du positionnement \u00abMark-on-the-Fly\u00bb et par cam\u00e9ra<\/li>\n\n\n\n<li>Comment la distorsion en coussin des miroirs X\/Y et la distorsion en barillet des objectifs F-Theta se combinent pour compliquer le d\u00e9fi de l\u2019\u00e9talonnage<\/li>\n\n\n\n<li>Quand investir dans un \u00e9talonnage m\u00e9trologique (mobilit\u00e9 \u00e9lectrique, semi-conducteurs) plut\u00f4t que dans un \u00e9talonnage manuel (pr\u00e9r\u00e9glages de marquage en usine)<\/li>\n\n\n\n<li>Ce qu\u2019apporte chaque m\u00e9thode : manuel (erreur d\u2019environ 1 %, quelques minutes), \u00e0 plat (environ 0,1 %, environ 1 heure), m\u00e9trologique (erreur la plus faible, co\u00fbt le plus \u00e9lev\u00e9)<\/li>\n\n\n\n<li>Une combinaison pratique de t\u00eate de balayage et de substrat : Lightning II + verre = erreur la plus faible en \u00e9talonnage m\u00e9trologique<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e9l\u00e9chargez le document technique complet pour consulter les donn\u00e9es comparatives des trois m\u00e9thodes d\u2019\u00e9talonnage (versia vs Lightning II \u00d7 papier vs verre), la liste des \u00e9quipements (laser \u00e0 fibre IPG, Jenoptik F-Theta, m\u00e9trologie MicroVu), ainsi que les courbes de compromis temps\/co\u00fbt\/pr\u00e9cision qui vous permettront de d\u00e9terminer la m\u00e9thode d\u2019\u00e9talonnage la mieux adapt\u00e9e \u00e0 votre application avant la mise en service de la ligne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"white-space: normal;border-width: 0px;margin: 0px;, Roboto, Helvetica, Arial, sans-serif;font-size: 14px\"><\/p><p style=\"white-space: normal;border-width: 0px;margin: 0px;, Roboto, Helvetica, Arial, sans-serif;font-size: 14px\"><\/p><ul style=\"white-space: normal;border-width: 0px;list-style-type: disc;margin: 0px;padding: 0px 0px 0px 20px;flex-direction: column;gap: 6px;, Roboto, Helvetica, Arial, sans-serif;font-size: 14px\"><\/ul><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9sentation de l&rsquo;article technique Pr\u00e9cision d&rsquo;\u00e9talonnage des sous-syst\u00e8mes laser et de t\u00eate de balayage C&rsquo;est la m\u00e9thode d&rsquo;\u00e9talonnage, et non les caract\u00e9ristiques techniques de la t\u00eate de balayage, qui d\u00e9termine la pr\u00e9cision du marquage \u00e0 la vol\u00e9e. La pr\u00e9cision de l\u2019\u00e9talonnage est la caract\u00e9ristique qui d\u00e9termine discr\u00e8tement le bon fonctionnement des applications laser \u00e0 positionnement [&hellip;]<\/p>\n","protected":false},"author":342,"featured_media":328,"template":"","meta":{"_acf_changed":false,"card_thumbnail_id":0,"show_table_of_content":true},"class_list":["post-1376","novanta_tech_paper","type-novanta_tech_paper","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Calibration Accuracy for Scan Head Sub-Systems | Novanta<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez les facteurs qui d\u00e9terminent la pr\u00e9cision de l&#039;\u00e9talonnage des t\u00eates de balayage laser et des sous-syst\u00e8mes d&#039;\u00e9largissement de faisceau, ainsi que les moyens de la maintenir tout au long de 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