{"id":10715,"date":"2026-03-18T12:01:32","date_gmt":"2026-03-18T11:01:32","guid":{"rendered":"https:\/\/dennglobal.com\/projects\/section-de-conduit-de-ventilation-avec-bride-renforcee\/"},"modified":"2026-06-03T14:24:32","modified_gmt":"2026-06-03T12:24:32","slug":"section-de-conduit-de-ventilation-avec-bride-renforcee","status":"publish","type":"projects","link":"https:\/\/dennglobal.com\/fr\/projects\/section-de-conduit-de-ventilation-avec-bride-renforcee\/","title":{"rendered":"Section de conduit de ventilation avec bride renforc\u00e9e"},"content":{"rendered":"\n

De l’assemblage soud\u00e9 au formage contr\u00f4l\u00e9 d’une seule pi\u00e8ce<\/strong><\/p>\n\n

Le d\u00e9fi<\/mark><\/h2>\n\n

Un fabricant de syst\u00e8mes de ventilation industrielle produisait des sections de gaines cylindriques par.. :<\/p>\n\n

    \n
  • Roulage de la t\u00f4le<\/li>\n\n\n\n
  • Soudage de joints longitudinaux<\/li>\n\n\n\n
  • Soudage d’anneaux de bride s\u00e9par\u00e9s<\/li>\n\n\n\n
  • Per\u00e7age de trous de connexion lors d’op\u00e9rations secondaires<\/li>\n<\/ul>\n\n

    Cette approche a permis de cr\u00e9er :<\/p>\n\n

      \n
    • Cycles de production longs<\/li>\n\n\n\n
    • Distorsions de soudage affectant la rondeur<\/li>\n\n\n\n
    • G\u00e9om\u00e9trie incoh\u00e9rente de la bride<\/li>\n\n\n\n
    • Co\u00fbts de main-d’\u0153uvre plus \u00e9lev\u00e9s<\/li>\n\n\n\n
    • Augmentation du poids des pi\u00e8ces<\/li>\n<\/ul>\n\n

      L’exigence \u00e9tait claire :R\u00e9duire le soudage. Stabiliser la g\u00e9om\u00e9trie. Am\u00e9liorer l’efficacit\u00e9 de la production. La forme finale de la pi\u00e8ce est obtenue tout en conservant un contr\u00f4le total sur le flux de mat\u00e9riau, la temp\u00e9rature et les forces de formage. <\/p>\n\n

      La solution DENN<\/mark><\/h2>\n\n

      DENN a recon\u00e7u la pi\u00e8ce en utilisant des op\u00e9rations de filage contr\u00f4l\u00e9 et de formage auxiliaire sur des machines NTR et RB.<\/p>\n\n

      Au lieu d’assembler plusieurs composants, la section du conduit est form\u00e9e \u00e0 partir d’un disque plat en acier inoxydable en un corps cylindrique d’une seule pi\u00e8ce.<\/p>\n\n

      Le processus s’int\u00e8gre :<\/p>\n\n

        \n
      • Tournage pour former la g\u00e9om\u00e9trie cylindrique<\/li>\n\n\n\n
      • R\u00e9duction contr\u00f4l\u00e9e de l’\u00e9paisseur des parois<\/li>\n\n\n\n
      • Bordure \u00e0 90\u00b0 avec bord renforc\u00e9<\/li>\n\n\n\n
      • Formation int\u00e9gr\u00e9e de nervures pour la rigidit\u00e9 structurelle<\/li>\n\n\n\n
      • Op\u00e9ration de per\u00e7age final pour l’assemblage<\/li>\n<\/ul>\n\n

        Toutes les op\u00e9rations sont effectu\u00e9es selon un cycle stable et reproductible.<\/p>\n\n

        Pas de bague de bride soud\u00e9e.Pas de d\u00e9formation due \u00e0 l’apport de chaleur.Pas de correction g\u00e9om\u00e9trique n\u00e9cessaire.<\/p>\n\n

        \"\"<\/figure>\n\n

        Le r\u00e9sultat<\/mark><\/h2>\n\n

        La transformation a eu un impact mesurable :<\/p>\n\n

          \n
        • Composant d’une seule pi\u00e8ce au lieu d’un assemblage soud\u00e9<\/li>\n\n\n\n
        • Am\u00e9lioration de la rondeur et de la stabilit\u00e9 dimensionnelle<\/li>\n\n\n\n
        • Bride renforc\u00e9e avec un poids total r\u00e9duit<\/li>\n\n\n\n
        • Cycles de production plus rapides<\/li>\n\n\n\n
        • R\u00e9duction significative des co\u00fbts par rapport \u00e0 la fabrication traditionnelle<\/li>\n<\/ul>\n\n

          En outre, les brides renforc\u00e9es augmentent la rigidit\u00e9 structurelle tout en permettant d’utiliser des mat\u00e9riaux de base plus fins, ce qui am\u00e9liore l’efficacit\u00e9 du flux d’air et r\u00e9duit la consommation de mat\u00e9riaux.<\/p>\n\n

          \"\"<\/figure>\n\n

          Pourquoi c’est important<\/mark><\/h2>\n\n

          Dans les syst\u00e8mes de ventilation, la g\u00e9om\u00e9trie influe directement sur les performances du flux d’air et la pr\u00e9cision de l’installation.<\/p>\n\n

          En \u00e9liminant le soudage et en contr\u00f4lant le flux de mat\u00e9riau par le biais du formage rotatif, le fabricant a obtenu des r\u00e9sultats :<\/p>\n\n

          Rendement stable.Pi\u00e8ces plus l\u00e9g\u00e8res.Productivit\u00e9 accrue.<\/p>\n\n

          Chez DENN, nous simplifions la complexit\u00e9 –en rempla\u00e7ant la fabrication en plusieurs \u00e9tapes par une d\u00e9formation contr\u00f4l\u00e9e.<\/p>\n","protected":false},"featured_media":10716,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false},"class_list":["post-10715","projects","type-projects","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nSection de conduit de ventilation avec bride renforc\u00e9e - DENN<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dennglobal.com\/fr\/projects\/section-de-conduit-de-ventilation-avec-bride-renforcee\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Section de conduit de ventilation avec bride renforc\u00e9e - DENN\" \/>\n<meta property=\"og:description\" content=\"De l’assemblage soud\u00e9 au formage contr\u00f4l\u00e9 d’une seule pi\u00e8ce Le d\u00e9fi Un fabricant de syst\u00e8mes de ventilation industrielle produisait des sections de gaines cylindriques par.. : Cette approche a permis de cr\u00e9er : L’exigence \u00e9tait claire :R\u00e9duire le soudage. 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