{"id":30379,"date":"2015-11-19T00:00:00","date_gmt":"2015-11-18T23:00:00","guid":{"rendered":"https:\/\/lati.com\/lati-hm-la-legerete-des-polymeres-rencontre-la-rigidite-des-metaux\/"},"modified":"2026-05-04T15:25:10","modified_gmt":"2026-05-04T13:25:10","slug":"lati-hm-la-legerete-des-polymeres-rencontre-la-rigidite-des-metaux","status":"publish","type":"post","link":"https:\/\/lati.com\/fr\/lati-hm-la-legerete-des-polymeres-rencontre-la-rigidite-des-metaux\/","title":{"rendered":"LATI HM : la l\u00e9g\u00e8ret\u00e9 des polym\u00e8res rencontre la rigidit\u00e9 des m\u00e9taux"},"content":{"rendered":"<h2 data-start=\"372\" data-end=\"437\"><strong data-start=\"375\" data-end=\"437\">Mat\u00e9riaux haute performance pour m\u00e9canismes de pr\u00e9cision<\/strong><\/h2>\n<p data-start=\"439\" data-end=\"767\">L\u00e9g\u00e8ret\u00e9, robustesse et rigidit\u00e9 sont des exigences fondamentales pour tout <strong data-start=\"510\" data-end=\"537\">m\u00e9canisme industriel<\/strong>, en particulier lorsque le dispositif fonctionne \u00e0 haute vitesse et avec une grande pr\u00e9cision.<br data-start=\"622\" data-end=\"625\" \/>Dans ces contextes, la <strong data-start=\"654\" data-end=\"680\">r\u00e9sistance \u00e0 la fatigue<\/strong> devient \u00e9galement essentielle pour pr\u00e9venir les d\u00e9faillances dues aux contraintes r\u00e9p\u00e9t\u00e9es dans le temps.<\/p>\n<p data-start=\"769\" data-end=\"1036\">Ces besoins sont communs \u00e0 de nombreux secteurs industriels : <strong data-start=\"828\" data-end=\"843\">automatisation<\/strong>, <strong data-start=\"845\" data-end=\"857\">robotique<\/strong>, <strong data-start=\"859\" data-end=\"880\">machines-outils<\/strong> et <strong data-start=\"883\" data-end=\"900\">m\u00e9tiers textiles<\/strong>. Dans ces applications, les performances m\u00e9caniques doivent \u00eatre concili\u00e9es avec la n\u00e9cessit\u00e9 de r\u00e9duire le poids, les co\u00fbts et la complexit\u00e9 de production.<\/p>\n<hr data-start=\"1038\" data-end=\"1041\" \/>\n<h2 data-start=\"1043\" data-end=\"1104\"><strong data-start=\"1046\" data-end=\"1104\">Des m\u00e9taux aux technopolym\u00e8res : une \u00e9volution n\u00e9cessaire<\/strong><\/h2>\n<p data-start=\"1106\" data-end=\"1374\">Traditionnellement, les \u00e9l\u00e9ments structurels de ces syst\u00e8mes sont fabriqu\u00e9s en <strong data-start=\"1186\" data-end=\"1197\">acier<\/strong>, en <strong data-start=\"1199\" data-end=\"1232\">alliages d&rsquo;aluminium ou de magn\u00e9sium<\/strong>, ou en <strong data-start=\"1239\" data-end=\"1267\">composites thermodurcissables<\/strong> renforc\u00e9s de fibres de verre ou de carbone.<br data-start=\"1309\" data-end=\"1312\" \/>Ces solutions pr\u00e9sentent toutefois des limitations importantes :<\/p>\n<ul data-start=\"1375\" data-end=\"1616\">\n<li data-start=\"1375\" data-end=\"1461\">\n<p data-start=\"1377\" data-end=\"1461\">Processus de production <strong data-start=\"1400\" data-end=\"1420\">longs et co\u00fbteux<\/strong>, tels que l&rsquo;usinage \u00e0 partir de pi\u00e8ces massives ou la coul\u00e9e ;<\/p>\n<\/li>\n<li data-start=\"1462\" data-end=\"1512\">\n<p data-start=\"1464\" data-end=\"1512\"><strong data-start=\"1464\" data-end=\"1509\">G\u00e9om\u00e9tries complexes difficiles \u00e0 r\u00e9aliser<\/strong> ;<\/p>\n<\/li>\n<li data-start=\"1513\" data-end=\"1616\">\n<p data-start=\"1515\" data-end=\"1616\">Manque de flexibilit\u00e9 de conception et difficult\u00e9 \u00e0 int\u00e9grer plusieurs fonctions dans un seul composant.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1618\" data-end=\"1795\">Pour surmonter ces limitations, LATI a d\u00e9velopp\u00e9 une famille de <strong data-start=\"1681\" data-end=\"1727\">compounds thermoplastiques haute performance<\/strong> capables de combiner <strong data-start=\"1748\" data-end=\"1794\">rigidit\u00e9 m\u00e9tallique et l\u00e9g\u00e8ret\u00e9 polym\u00e9rique<\/strong>.<\/p>\n<hr data-start=\"1797\" data-end=\"1800\" \/>\n<h2 data-start=\"1802\" data-end=\"1859\"><strong data-start=\"1805\" data-end=\"1859\">Compound LATI HM : hautes performances, poids r\u00e9duit<\/strong><\/h2>\n<p data-start=\"1861\" data-end=\"2259\">Introduits en <strong data-start=\"1876\" data-end=\"1884\">2007<\/strong>, les <strong data-start=\"1888\" data-end=\"1923\">compounds thermoplastiques LATI HM (High Modulus)<\/strong> repr\u00e9sentent une solution innovante pour les applications structurelles \u00e0 hautes performances.<br data-start=\"2012\" data-end=\"2015\" \/>Ces mat\u00e9riaux sont <strong data-start=\"2037\" data-end=\"2086\">charg\u00e9s de fibres de carbone \u00e0 haut module<\/strong> jusqu\u2019\u00e0 <strong data-start=\"2095\" data-end=\"2102\">45 %<\/strong>, atteignant un <strong data-start=\"2120\" data-end=\"2158\">module d\u2019\u00e9lasticit\u00e9 sup\u00e9rieur \u00e0 40 GPa<\/strong> \u2014 plus du double par rapport aux grades courants renforc\u00e9s de verre ou de fibre de carbone \u00e0 haute t\u00e9nacit\u00e9.<\/p>\n<p data-start=\"2261\" data-end=\"2437\">Gr\u00e2ce \u00e0 ces propri\u00e9t\u00e9s, les compounds thermoplastiques HM permettent la production de <strong data-start=\"2327\" data-end=\"2362\">composants moul\u00e9s par injection<\/strong> avec une <strong data-start=\"2367\" data-end=\"2403\">rigidit\u00e9 comparable \u00e0 celle des m\u00e9taux<\/strong>, offrant des avantages en termes de :<\/p>\n<ul data-start=\"2438\" data-end=\"2698\">\n<li data-start=\"2438\" data-end=\"2506\">\n<p data-start=\"2440\" data-end=\"2506\"><strong data-start=\"2440\" data-end=\"2471\">Pr\u00e9cision op\u00e9rationnelle<\/strong> des leviers et m\u00e9canismes,<\/p>\n<\/li>\n<li data-start=\"2507\" data-end=\"2549\">\n<p data-start=\"2509\" data-end=\"2549\"><strong data-start=\"2509\" data-end=\"2546\">R\u00e9duction du poids et de l&rsquo;inertie<\/strong>,<\/p>\n<\/li>\n<li data-start=\"2550\" data-end=\"2601\">\n<p data-start=\"2552\" data-end=\"2601\"><strong data-start=\"2552\" data-end=\"2580\">Consommation \u00e9nerg\u00e9tique r\u00e9duite<\/strong> pour l&rsquo;actionnement,<\/p>\n<\/li>\n<li data-start=\"2602\" data-end=\"2641\">\n<p data-start=\"2604\" data-end=\"2641\"><strong data-start=\"2604\" data-end=\"2638\">R\u00e9duction de la friction et de l&rsquo;usure<\/strong>,<\/p>\n<\/li>\n<li data-start=\"2642\" data-end=\"2698\">\n<p data-start=\"2644\" data-end=\"2698\"><strong data-start=\"2644\" data-end=\"2695\">Possibilit\u00e9 d&rsquo;\u00e9liminer la lubrification externe<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2700\" data-end=\"2848\">La l\u00e9g\u00e8ret\u00e9 du polym\u00e8re r\u00e9duit \u00e9galement les forces d&rsquo;inertie et les contraintes internes, am\u00e9liorant la <strong data-start=\"2803\" data-end=\"2822\">dur\u00e9e de vie en fatigue<\/strong> et la stabilit\u00e9 dans le temps.<\/p>\n<hr data-start=\"2850\" data-end=\"2853\" \/>\n<h2 data-start=\"2855\" data-end=\"2907\"><strong data-start=\"2858\" data-end=\"2907\">Hautes performances m\u00eame en environnements critiques<\/strong><\/h2>\n<p data-start=\"2909\" data-end=\"3152\">Les compounds thermoplastiques HM sont formul\u00e9s \u00e0 partir de <strong data-start=\"2951\" data-end=\"2996\">r\u00e9sines thermoplastiques haute performance<\/strong> telles que le <strong data-start=\"3002\" data-end=\"3021\">PPA, le PPS et le PEEK<\/strong>, s\u00e9lectionn\u00e9es pour assurer une <strong data-start=\"3049\" data-end=\"3081\">r\u00e9sistance thermique et chimique<\/strong> m\u00eame dans des conditions de fonctionnement extr\u00eames.<br data-start=\"3120\" data-end=\"3123\" \/>Ils sont id\u00e9aux, par exemple, pour :<\/p>\n<ul data-start=\"3153\" data-end=\"3299\">\n<li data-start=\"3153\" data-end=\"3183\">\n<p data-start=\"3155\" data-end=\"3183\"><strong data-start=\"3155\" data-end=\"3180\">Robots de peinture<\/strong>,<\/p>\n<\/li>\n<li data-start=\"3184\" data-end=\"3233\">\n<p data-start=\"3186\" data-end=\"3233\"><strong data-start=\"3186\" data-end=\"3230\">Installations industrielles haute temp\u00e9rature<\/strong>,<\/p>\n<\/li>\n<li data-start=\"3234\" data-end=\"3299\">\n<p data-start=\"3236\" data-end=\"3299\"><strong data-start=\"3236\" data-end=\"3256\">Machines textiles<\/strong> expos\u00e9es aux huiles, vapeurs et agents agressifs.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3301\" data-end=\"3469\">La pr\u00e9sence substantielle de <strong data-start=\"3328\" data-end=\"3349\">fibres de carbone<\/strong> conf\u00e8re \u00e9galement des <strong data-start=\"3369\" data-end=\"3395\">propri\u00e9t\u00e9s antistatiques<\/strong>, r\u00e9duisant l&rsquo;accumulation de poussi\u00e8re et de particules sur les surfaces op\u00e9rationnelles.<\/p>\n<hr data-start=\"3471\" data-end=\"3474\" \/>\n<h2 data-start=\"3476\" data-end=\"3522\"><strong data-start=\"3479\" data-end=\"3522\">Innovation et fiabilit\u00e9 par LATI<\/strong><\/h2>\n<p data-start=\"3524\" data-end=\"3887\">Avec la famille <strong data-start=\"3540\" data-end=\"3551\">LATI HM<\/strong>, l\u2019entreprise offre aux concepteurs une gamme de <strong data-start=\"3597\" data-end=\"3617\">compounds thermoplastiques techniques<\/strong> capables de remplacer efficacement et en toute s\u00e9curit\u00e9 le m\u00e9tal, \u00e9largissant les possibilit\u00e9s de conception et optimisant les processus de production.<br data-start=\"3750\" data-end=\"3753\" \/>Un pas concret vers une <strong data-start=\"3787\" data-end=\"3838\">industrie plus l\u00e9g\u00e8re, plus efficace et plus durable<\/strong>, sans compromis sur les performances m\u00e9caniques.<\/p>\n<p data-start=\"3524\" data-end=\"3887\">Vous souhaitez en savoir plus ? <a href=\"http:\/\/latiwp.weblink.it\/contattaci\/\">Contactez-nous ici<\/a> !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u00e9g\u00e8ret\u00e9, robustesse et rigidit\u00e9 sont d&rsquo;une importance fondamentale pour tout m\u00e9canisme, en particulier s&rsquo;il est int\u00e9gr\u00e9 dans un dispositif fonctionnant \u00e0 tr\u00e8s haute vitesse et n\u00e9cessitant une grande pr\u00e9cision.<\/p>\n","protected":false},"author":1,"featured_media":25864,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[623,646,615],"tags":[],"class_list":["post-30379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hautes-temperatures","category-industrie","category-rd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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