{"id":10687,"date":"2026-03-18T11:26:48","date_gmt":"2026-03-18T10:26:48","guid":{"rendered":"https:\/\/dennglobal.com\/projects\/jante-en-aluminium-forge\/"},"modified":"2026-06-03T14:24:26","modified_gmt":"2026-06-03T12:24:26","slug":"jante-en-aluminium-forge","status":"publish","type":"projects","link":"https:\/\/dennglobal.com\/fr\/projects\/jante-en-aluminium-forge\/","title":{"rendered":"Jante en aluminium forg\u00e9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Forgeage rotatif pour les jantes en aluminium \u00e0 haute performance.<\/p>\n\n<p class=\"wp-block-paragraph\">Structure de grain optimis\u00e9e et distribution contr\u00f4l\u00e9e des mat\u00e9riaux.<br\/>Composants l\u00e9gers con\u00e7us pour une r\u00e9sistance structurelle et une r\u00e9sistance \u00e0 la fatigue \u00e9lev\u00e9es.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"margin-top:40px;margin-right:0;margin-bottom:0;margin-left:0\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#fe5000\" class=\"has-inline-color\">Le d\u00e9fi<\/mark><\/h2>\n\n<p class=\"wp-block-paragraph\">Les applications automobiles de haute performance et haut de gamme exigent des jantes qui allient un faible poids \u00e0 une r\u00e9sistance m\u00e9canique exceptionnelle.<\/p>\n\n<p class=\"wp-block-paragraph\">Les roues traditionnelles en aluminium moul\u00e9 pr\u00e9sentent plusieurs limites inh\u00e9rentes. Pour obtenir la r\u00e9sistance requise, les fabricants doivent souvent augmenter l&rsquo;\u00e9paisseur du mat\u00e9riau, ce qui se traduit par des composants plus lourds et des conceptions moins efficaces. <\/p>\n\n<p class=\"wp-block-paragraph\">Les processus de moulage peuvent \u00e9galement introduire des d\u00e9fauts internes qui compromettent les performances structurelles sous des charges cycliques.<\/p>\n\n<p class=\"wp-block-paragraph\">Les fabricants avaient besoin d&rsquo;une solution capable de les satisfaire :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>R\u00e9duction du poids des composants<\/li>\n\n\n\n<li>Haute int\u00e9grit\u00e9 structurelle<\/li>\n\n\n\n<li>Am\u00e9lioration de la r\u00e9sistance \u00e0 la fatigue<\/li>\n\n\n\n<li>Structure mat\u00e9rielle interne coh\u00e9rente<\/li>\n\n\n\n<li>Une production industrielle fiable<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">L&rsquo;objectif \u00e9tait clair : int\u00e9grer la r\u00e9sistance dans le mat\u00e9riau plut\u00f4t que de la compenser par une masse suppl\u00e9mentaire.al shape while maintaining full control over material flow, temperature and forming forces.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"margin-top:40px\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#fe5000\" class=\"has-inline-color\">La solution DENN<\/mark><\/h2>\n\n<p class=\"wp-block-paragraph\">DENN a mis en \u0153uvre un processus de forgeage rotatif contr\u00f4l\u00e9 utilisant des machines RF pour produire des pr\u00e9formes de jantes en aluminium forg\u00e9 avec une structure interne optimis\u00e9e.<\/p>\n\n<p class=\"wp-block-paragraph\">Au lieu de verser de l&rsquo;aluminium en fusion dans un moule, le forgeage rotatif d\u00e9forme plastiquement une billette d&rsquo;aluminium solide par une combinaison contr\u00f4l\u00e9e de mouvements de rotation et de compression axiale.<\/p>\n\n<p class=\"wp-block-paragraph\">Pendant le processus :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>L&rsquo;outil sup\u00e9rieur fonctionne \u00e0 un angle d&rsquo;inclinaison fixe<\/li>\n\n\n\n<li>Le billet tourne pendant que la pression axiale est appliqu\u00e9e<\/li>\n\n\n\n<li>Le mat\u00e9riau s&rsquo;\u00e9coule radialement sous l&rsquo;effet d&rsquo;une d\u00e9formation contr\u00f4l\u00e9e<\/li>\n\n\n\n<li>La structure du grain est compact\u00e9e et r\u00e9orient\u00e9e.<\/li>\n\n\n\n<li>La taille des billettes est optimis\u00e9e afin d&rsquo;\u00e9viter toute masse de mat\u00e9riau inutile.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Cette d\u00e9formation plastique contr\u00f4l\u00e9e \u00e9limine les d\u00e9fauts internes g\u00e9n\u00e9ralement associ\u00e9s \u00e0 la coul\u00e9e et produit une microstructure dense et raffin\u00e9e.<\/p>\n\n<p class=\"wp-block-paragraph\">L&rsquo;aluminium n&rsquo;est pas coul\u00e9 dans la forme.<br\/>Il est forg\u00e9 dans la structure.<\/p>\n\n<figure class=\"wp-block-image size-full is-resized img-gut\"><img fetchpriority=\"high\" decoding=\"async\" width=\"642\" height=\"192\" src=\"https:\/\/dennglobal.com\/wp-content\/uploads\/2026\/03\/image3.png\" alt=\"\" class=\"wp-image-5339\" style=\"aspect-ratio:2.435;object-fit:contain;width:800px;height:auto\" srcset=\"https:\/\/dennglobal.com\/wp-content\/uploads\/2026\/03\/image3.png 642w, https:\/\/dennglobal.com\/wp-content\/uploads\/2026\/03\/image3-300x90.png 300w, https:\/\/dennglobal.com\/wp-content\/uploads\/2026\/03\/image3-180x54.png 180w, https:\/\/dennglobal.com\/wp-content\/uploads\/2026\/03\/image3-360x108.png 360w, https:\/\/dennglobal.com\/wp-content\/uploads\/2026\/03\/image3-640x191.png 640w\" sizes=\"(max-width: 642px) 100vw, 642px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\" style=\"margin-top:40px\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#fe5000\" class=\"has-inline-color\">Le r\u00e9sultat<\/mark><\/h2>\n\n<p class=\"wp-block-paragraph\">Les jantes rotatives en aluminium forg\u00e9 offrent des avantages consid\u00e9rables en termes de performances :<\/p>\n\n<p class=\"wp-block-paragraph\">Structure de grain raffin\u00e9e et compacte<\/p>\n\n<p class=\"wp-block-paragraph\">Am\u00e9lioration de la r\u00e9sistance \u00e0 la fatigue sous charges cycliques<\/p>\n\n<p class=\"wp-block-paragraph\">Int\u00e9grit\u00e9 structurelle sup\u00e9rieure \u00e0 celle des roues en fonte<\/p>\n\n<p class=\"wp-block-paragraph\">R\u00e9duction du risque de porosit\u00e9 interne et de d\u00e9fauts de coul\u00e9e<\/p>\n\n<p class=\"wp-block-paragraph\">Rapport poids\/r\u00e9sistance optimis\u00e9<\/p>\n\n<p class=\"wp-block-paragraph\">Une production industrielle stable et reproductible<\/p>\n\n<p class=\"wp-block-paragraph\">La pr\u00e9forme forg\u00e9e constitue une base structurelle sup\u00e9rieure pour les op\u00e9rations d&rsquo;usinage et de finition ult\u00e9rieures.<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"margin-top:40px\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#fe5000\" class=\"has-inline-color\">Donn\u00e9es du processus<\/mark><\/h2>\n\n<p class=\"wp-block-paragraph\">Pi\u00e8ce : Jante de roue forg\u00e9e en aluminium<br\/>Industrie : Automobile \/ v\u00e9hicules de performance<br\/>Mat\u00e9riau : Alliage d&rsquo;aluminium<br\/>Technologie : Forgeage rotatif<br\/>Machines : S\u00e9rie DENN RF<br\/>Type de processus : Forgeage rotatif de billettes pour pr\u00e9formes structurelles<\/p>\n\n<h2 class=\"wp-block-heading\" style=\"margin-top:40px\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#fe5000\" class=\"has-inline-color\">Pourquoi c&rsquo;est important<\/mark><\/h2>\n\n<p class=\"wp-block-paragraph\">Dans la fabrication des roues, la performance n&rsquo;est pas d\u00e9finie par l&rsquo;apparence, mais par la structure interne.<\/p>\n\n<p class=\"wp-block-paragraph\">Le forgeage rotatif cr\u00e9e une architecture mat\u00e9rielle dense et contr\u00f4l\u00e9e, capable de r\u00e9sister \u00e0 des contraintes m\u00e9caniques importantes tout en conservant une masse r\u00e9duite.<\/p>\n\n<p class=\"wp-block-paragraph\">Chez DENN, nous ne nous contentons pas de former l&rsquo;aluminium.<br\/>Nous concevons sa structure interne par d\u00e9formation rotative contr\u00f4l\u00e9e, ce qui garantit la solidit\u00e9, la fiabilit\u00e9 et la r\u00e9p\u00e9tabilit\u00e9 d\u00e8s la premi\u00e8re \u00e9tape du formage.<\/p>\n","protected":false},"featured_media":10689,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false},"class_list":["post-10687","projects","type-projects","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jante en aluminium forg\u00e9 - DENN<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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