{"id":1736,"date":"2021-12-29T12:37:47","date_gmt":"2021-12-29T12:37:47","guid":{"rendered":"https:\/\/novanta.com\/fr\/precision-manufacturing\/resources\/whitepapers\/amelioration-de-la-qualite-de-la-saisie-des-notes\/"},"modified":"2026-09-02T11:02:42","modified_gmt":"2026-09-02T11:02:42","slug":"amelioration-de-la-qualite-de-la-saisie-des-notes","status":"publish","type":"novanta_tech_paper","link":"https:\/\/novanta.com\/fr\/precision-manufacturing\/ressources\/documents-blancs\/amelioration-de-la-qualite-de-la-saisie-des-notes\/","title":{"rendered":"Am\u00e9lioration de la qualit\u00e9 du marquage des caract\u00e8res"},"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<p class=\"wp-block-paragraph\">Am\u00e9lioration de la qualit\u00e9 du marquage des caract\u00e8res sur les lignes de production \u00e0 grande vitesse<br>Ce sont les temps de retard de la t\u00eate de balayage, et non la puissance du laser, qui d\u00e9terminent la qualit\u00e9 du marquage des caract\u00e8res \u00e0 grande vitesse.<br>Des vitesses de ligne plus \u00e9lev\u00e9es, des polices plus petites et des exigences r\u00e9glementaires de qualit\u00e9 de plus en plus strictes<br>mettent les syst\u00e8mes de marquage \u00e0 rude \u00e9preuve chaque ann\u00e9e. Au-del\u00e0 d\u2019un certain seuil, les caract\u00e8res<br>commencent \u00e0 se d\u00e9former : les extr\u00e9mit\u00e9s se recourbent vers le haut dans le sens du d\u00e9placement, les coins br\u00fblent<br>, et les contours s\u2019estompent l\u00e0 o\u00f9 les galvos n\u2019ont pas encore stabilis\u00e9 leur position. Le levier d\u2019action<br>pour rem\u00e9dier \u00e0 ces trois probl\u00e8mes ne r\u00e9side g\u00e9n\u00e9ralement pas dans une puissance laser plus \u00e9lev\u00e9e. Il s\u2019agit plut\u00f4t de r\u00e9gler les<br>retards de marquage, de saut et de polygone du syst\u00e8me.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article technique passe en revue l&rsquo;ensemble des choix qui d\u00e9terminent<br>la qualit\u00e9 du marquage et le d\u00e9bit \u00e0 la vitesse de production : adaptation de l\u2019absorption du mat\u00e9riau cible<br>, choix de la police et du motif, s\u00e9lection du laser et de la t\u00eate de balayage,<br>optiques de focalisation, ainsi que les r\u00e9glages de retard du contr\u00f4leur qui assurent la coh\u00e9sion de l\u2019ensemble<br>\u2014 notamment le d\u00e9lai poly variabil et la compensation de vitesse, deux fonctionnalit\u00e9s optionnelles<br>qui peuvent permettre d\u2019am\u00e9liorer le d\u00e9bit de pr\u00e8s de 65 %.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-include\">Points cl\u00e9s \u00e0 retenir :<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pourquoi les r\u00e9glages de retard de la t\u00eate de balayage \u2014 et non la puissance du laser \u2014 limitent g\u00e9n\u00e9ralement la qualit\u00e9 des caract\u00e8res \u00e0 grande vitesse<\/li>\n\n\n\n<li>Comment les d\u00e9lais de marquage, de saut et de polyd\u00e9lai entra\u00eenent chacun un mode de d\u00e9faillance diff\u00e9rent (extr\u00e9mit\u00e9s d\u00e9form\u00e9es, d\u00e9buts estomp\u00e9s, angles flous)<\/li>\n\n\n\n<li>Quand le \u00ab Variable Poly Delay \u00bb am\u00e9liore sensiblement le d\u00e9bit (vitesse de marquage &gt; 10 000 mm\/s) et quand ce n\u2019est pas le cas<\/li>\n\n\n\n<li>Quelle ouverture de miroir choisir pour votre application : 7 mm pour le codage, 10 mm pour les applications flexibles, 14 mm et plus pour le marquage industriel<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Un exemple pratique de r\u00e9f\u00e9rence : ti100 + MOVIA 10 mm + contr\u00f4leur ScanMaster, avec la liste de tous les param\u00e8tres. T\u00e9l\u00e9chargez le document technique complet pour obtenir la recette param\u00e9trique d\u00e9taill\u00e9e (vitesses de marquage\/saut, les trois r\u00e9glages de d\u00e9lai, rapport cyclique, fr\u00e9quence), des comparaisons c\u00f4te \u00e0 c\u00f4te de la qualit\u00e9 des caract\u00e8res selon les configurations de d\u00e9lai, ainsi qu\u2019un cadre d\u2019\u00e9valuation permettant d\u2019adapter les sp\u00e9cifications de la t\u00eate de balayage \u00e0 la vitesse de votre ligne \u2014 avant que l\u2019objectif de d\u00e9bit de demain ne se transforme en probl\u00e8me de qualit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9sentation de l&rsquo;article technique Am\u00e9lioration de la qualit\u00e9 du marquage des caract\u00e8res sur les lignes de production \u00e0 grande vitesseCe sont les temps de retard de la t\u00eate de balayage, et non la puissance du laser, qui d\u00e9terminent la qualit\u00e9 du marquage des caract\u00e8res \u00e0 grande vitesse.Des vitesses de ligne plus \u00e9lev\u00e9es, des polices plus [&hellip;]<\/p>\n","protected":false},"author":342,"featured_media":1054,"template":"","meta":{"_acf_changed":false,"card_thumbnail_id":0,"show_table_of_content":true},"class_list":["post-1736","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>Improving Character Marking Quality | Novanta<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment am\u00e9liorer la qualit\u00e9 et la lisibilit\u00e9 du marquage laser au niveau des caract\u00e8res dans les syst\u00e8mes de codage laser \u00e0 haut d\u00e9bit sur la cha\u00eene de production.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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