{"id":1372,"date":"2023-09-03T14:13:35","date_gmt":"2023-09-03T14:13:35","guid":{"rendered":"https:\/\/novanta.com\/fr\/precision-manufacturing\/resources\/whitepapers\/optimiser-le-rendement-des-moteurs-electriques-le-pouvoir-du-decapage-en-epingle-a-cheveux\/"},"modified":"2026-09-02T11:01:50","modified_gmt":"2026-09-02T11:01:50","slug":"optimiser-le-rendement-des-moteurs-electriques-la-puissance-du-decapage-en-epingle-a-cheveux","status":"publish","type":"novanta_tech_paper","link":"https:\/\/novanta.com\/fr\/precision-manufacturing\/ressources\/documents-blancs\/optimiser-le-rendement-des-moteurs-electriques-la-puissance-du-decapage-en-epingle-a-cheveux\/","title":{"rendered":"Optimiser le rendement des moteurs \u00e9lectriques : le pouvoir du d\u00e9capage en \u00e9pingle \u00e0 cheveux"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\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-unlocking-electric-motor-efficiency-with-laser-hairpin-stripping-two-step-laser-stripping-not-single-laser-ablation-decides-hairpin-weld-quality\"><strong>Optimiser le rendement des moteurs \u00e9lectriques gr\u00e2ce au d\u00e9capage au laser en \u00ab hairpin \u00bb<\/strong><br><em>C&rsquo;est le d\u00e9capage au laser en deux \u00e9tapes, et non l&rsquo;ablation au laser en une seule \u00e9tape, qui d\u00e9termine la qualit\u00e9 de la soudure des \u00ab hairpins \u00bb.<\/em><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les stators en \u00ab hairpin \u00bb sont \u00e0 l\u2019origine du rendement \u00e9lev\u00e9 des moteurs \u00e9lectriques. Il s\u2019agit de fils de cuivre rectangulaires pr\u00e9sentant un facteur de remplissage en cuivre plus \u00e9lev\u00e9 que les fils ronds traditionnels, et dot\u00e9s d\u2019une isolation organique pour des raisons de s\u00e9curit\u00e9. Mais l\u2019assemblage repose sur la soudure des extr\u00e9mit\u00e9s des \u00ab hairpins \u00bb \u2014 et un seul micron de r\u00e9sidu d\u2019isolant sur le cuivre entra\u00eene des soudures fragiles, une efficacit\u00e9 r\u00e9duite du moteur et un rendement de production irr\u00e9gulier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article technique r\u00e9dig\u00e9 par trois auteurs de Novanta d\u00e9crit un proc\u00e9d\u00e9 laser en deux \u00e9tapes pour les stators en \u00ab hairpin \u00bb : un laser CO\u2082 de 400 W (Novanta Firestar i401 \u00e0 10,6 \u00b5m) \u00e9limine la majeure partie de l&rsquo;isolant, puis un laser \u00e0 fibre nanoseconde de 200 W \u00e9limine la couche r\u00e9siduelle de 1 \u00e0 2 \u00b5m \u2014 les deux lasers fonctionnant simultan\u00e9ment via la t\u00eate de balayage triaxiale \u00e0 double longueur d\u2019onde \u00ab Chameleon \u00bb de Novanta, permettant d\u2019atteindre des temps de cycle inf\u00e9rieurs \u00e0 1,0 seconde.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-include\">Principaux points \u00e0 retenir :<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pourquoi la qualit\u00e9 de la soudure des \u00ab hairpins \u00bb \u2014 et donc le rendement du moteur \u2014 d\u00e9pend de l\u2019\u00e9limination compl\u00e8te de l\u2019isolant organique (des r\u00e9sidus de l\u2019ordre du micron compromettent la soudure)<\/li>\n\n\n\n<li>En quoi une combinaison de deux lasers (CO\u2082 pour la partie principale + fibre pour les r\u00e9sidus) surpasse toute approche \u00e0 laser unique en termes de vitesse ET de qualit\u00e9<\/li>\n\n\n\n<li>Quand privil\u00e9gier le CO\u2082 \u00e0 9,3 \u00b5m plut\u00f4t qu\u2019\u00e0 10,6 \u00b5m : cela d\u00e9pend de la composition chimique de l\u2019isolant (PA, PE, PI), mesur\u00e9e \u00e0 l\u2019aide d\u2019un spectrom\u00e8tre IR ATR<\/li>\n\n\n\n<li>Ce que permet la t\u00eate de balayage Chameleon : un traitement \u00e0 double longueur d\u2019onde gr\u00e2ce \u00e0 une seule t\u00eate \u00e0 3 axes avec un chevauchement de champ de 75 %<\/li>\n\n\n\n<li>Une r\u00e9f\u00e9rence pratique dans l\u2019industrie : une fluorescence inf\u00e9rieure \u00e0 9 RFU obtenue sur quatre mod\u00e8les en \u00e9pingle \u00e0 cheveux en moins de 1,0 seconde par cycle<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-\">T\u00e9l\u00e9chargez le document technique complet pour consulter les donn\u00e9es d\u2019absorbance du spectrom\u00e8tre IR ATR sur quatre mat\u00e9riaux d\u2019isolation, les jeux de param\u00e8tres pour le processus en deux \u00e9tapes CO\u2082 + fibre, ainsi que l\u2019architecture de la t\u00eate de balayage \u00e0 double longueur d\u2019onde Chameleon \u2014 avant de choisir un syst\u00e8me de d\u00e9capage \u00e0 laser unique qui doublerait votre temps de cycle et l\u2019encombrement de votre machine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9sentation de l&rsquo;article technique Optimiser le rendement des moteurs \u00e9lectriques gr\u00e2ce au d\u00e9capage au laser en \u00ab hairpin \u00bbC&rsquo;est le d\u00e9capage au laser en deux \u00e9tapes, et non l&rsquo;ablation au laser en une seule \u00e9tape, qui d\u00e9termine la qualit\u00e9 de la soudure des \u00ab hairpins \u00bb. Les stators en \u00ab hairpin \u00bb sont \u00e0 l\u2019origine [&hellip;]<\/p>\n","protected":false},"author":342,"featured_media":399,"template":"","meta":{"_acf_changed":false,"card_thumbnail_id":0,"show_table_of_content":true},"class_list":["post-1372","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>Hairpin Stripping for Electric Motor Efficiency | Novanta<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment le d\u00e9coupage par ablation laser des \u00ab hairpins \u00bb am\u00e9liore le rendement des moteurs \u00e9lectriques, en compl\u00e9ment de la d\u00e9coupe laser des \u00e9lectrodes de batterie dans la fabrication des v\u00e9hicules \u00e9lectriques.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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