{"id":8353,"date":"2026-03-10T16:39:56","date_gmt":"2026-03-10T15:39:56","guid":{"rendered":"https:\/\/setforge.net\/non-classe\/developper-un-procede-de-forge-a-mi-chaud-de-qualite\/"},"modified":"2026-08-28T10:53:50","modified_gmt":"2026-08-28T08:53:50","slug":"developper-un-procede-de-forge-a-mi-chaud-de-qualite","status":"publish","type":"post","link":"https:\/\/www.setforge.net\/fr\/blog\/developper-un-procede-de-forge-a-mi-chaud-de-qualite\/","title":{"rendered":"D\u00e9velopper un proc\u00e9d\u00e9 de forge \u00e0 mi-chaud de qualit\u00e9"},"content":{"rendered":"<div class=\"et_pb_section_0 et_pb_section et_section_regular et_block_section\">\n<div class=\"et_pb_row_0 et_pb_row et_block_row\">\n<div class=\"et_pb_column_0 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2>EXPERTISE, \u00c9QUIPEMENTS FIABLES ET INNOVATION : DES PR\u00c9REQUIS INDISPENSABLES<\/h2>\n<\/div><\/div>\n\n<div class=\"et_pb_text_1 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>Port\u00e9e par l'industrie automobile et sa recherche permanente de composants plus performants, plus l\u00e9gers et plus comp\u00e9titifs, la forge \u00e0 mi-chaud a gagn\u00e9 en importance. Utilis\u00e9e seule ou int\u00e9gr\u00e9e dans des gammes de fabrication combinant forge \u00e0 mi-chaud et forge \u00e0 froid, cette technique s'est impos\u00e9e pour sa capacit\u00e9 \u00e0 produire des composants aux meilleures caract\u00e9ristiques m\u00e9caniques. <\/p>\n<p><strong>Les entit\u00e9s Setforge du groupe Farinia, <span style=\"color: #ff6600;\">Setforge Near Net<\/span> et <span style=\"color: #ff6600;\">Setforge Gauvin<\/span>, sont sp\u00e9cialis\u00e9es dans la fabrication d'une large gamme de composants forg\u00e9s \u00e0 mi-chaud pour les industries automobile et poids lourds.<\/strong><\/p>\n<p>Il convient de rappeler qu'aucune des trois grandes technologies de forge, \u00e0 froid, \u00e0 mi-chaud et \u00e0 chaud, n'est intrins\u00e8quement sup\u00e9rieure aux autres. Le choix du proc\u00e9d\u00e9 le plus adapt\u00e9 doit s'appuyer sur la g\u00e9om\u00e9trie du composant, la nuance de mat\u00e9riau, les caract\u00e9ristiques m\u00e9caniques vis\u00e9es et les volumes de production. <\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_1 et_pb_row et_block_row\">\n<div class=\"et_pb_column_1 et_pb_column et_pb_column_2_5 et_block_column et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_image_0 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.setforge.net\/wp-content\/uploads\/2026\/03\/Page-BLOG-Article1-2.webp\" width=\"1100\" height=\"820\" srcset=\"https:\/\/www.setforge.net\/wp-content\/uploads\/2026\/03\/Page-BLOG-Article1-2.webp 1100w, https:\/\/www.setforge.net\/wp-content\/uploads\/2026\/03\/Page-BLOG-Article1-2-980x731.webp 980w, https:\/\/www.setforge.net\/wp-content\/uploads\/2026\/03\/Page-BLOG-Article1-2-480x358.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1100px, 100vw\" class=\"wp-image-3320\" alt=\"DES CAS D&#039;USAGE CONCRETS D\u00c9J\u00c0 D\u00c9PLOY\u00c9S\" title=\"Page-BLOG-Article1-2\" \/><\/span><\/div>\n<\/div>\n\n<div class=\"et_pb_column_2 et_pb_column et_pb_column_3_5 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_text_2 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2>Caract\u00e9ristiques principales de la forge \u00e0 mi-chaud<\/h2>\n<\/div><\/div>\n\n<div class=\"et_pb_text_3 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>\u00c0 l'instar de la forge \u00e0 froid, la forge \u00e0 mi-chaud est un proc\u00e9d\u00e9 relativement r\u00e9cent, dont les origines remontent aux ann\u00e9es 1950, par opposition aux techniques de forge \u00e0 chaud, mill\u00e9naires. Les pi\u00e8ces forg\u00e9es \u00e0 mi-chaud offrent de meilleures tol\u00e9rances et un meilleur \u00e9tat de surface que les pi\u00e8ces forg\u00e9es \u00e0 chaud, sans toutefois atteindre les niveaux de pr\u00e9cision de la forge \u00e0 froid. <\/p>\n<p>La plage de temp\u00e9rature de la forge \u00e0 mi-chaud se situe entre 650 \u00b0C et 1 000 \u00b0C, selon le mat\u00e9riau mis en \u0153uvre et la nature des composants. Dans cette plage, le taux d'\u00e9crouissage est significativement r\u00e9duit par rapport \u00e0 la forge \u00e0 froid : la limite d'\u00e9lasticit\u00e9 diminue et la ductilit\u00e9 augmente, ce qui autorise des taux de d\u00e9formation plus \u00e9lev\u00e9s et contribue favorablement \u00e0 la dur\u00e9e de vie des outillages.  <\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_2 et_pb_row et_block_row\">\n<div class=\"et_pb_column_3 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_text_4 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>La plage basse de temp\u00e9rature, entre 740 et 770 \u00b0C, est g\u00e9n\u00e9ralement utilis\u00e9e pour des pi\u00e8ces de complexit\u00e9 moyenne avec traitement thermique apr\u00e8s forgeage. Pour des composants plus complexes, la temp\u00e9rature de forgeage doit d\u00e9passer le point de transformation : les formes obtenues sont alors tr\u00e8s proches de la g\u00e9om\u00e9trie finale, sans n\u00e9cessiter d'op\u00e9rations compl\u00e9mentaires significatives. <\/p>\n<p>Ce proc\u00e9d\u00e9 s'applique aux composants \u00e0 tol\u00e9rances serr\u00e9es en alliages d'acier qui ne sont pas accessibles par forge \u00e0 froid \u2014 \u00e0 l'image des arbres et engrenages automobiles, pi\u00e8ces typiquement forg\u00e9es \u00e0 mi-chaud. La grande majorit\u00e9 des composants forg\u00e9s \u00e0 mi-chaud pr\u00e9sente une g\u00e9om\u00e9trie \u00e0 sym\u00e9trie de r\u00e9volution, m\u00eame si les d\u00e9veloppements r\u00e9cents permettent d'aborder des g\u00e9om\u00e9tries plus complexes, comme les corps d'injecteurs. <\/p>\n<p>La forge \u00e0 mi-chaud exige un savoir-faire approfondi en conception d'outillage, notamment en r\u00e9gulation thermique, et en pr\u00e9paration des lopins, afin d'atteindre les niveaux de dur\u00e9e de vie outillage requis. Tous les param\u00e8tres cl\u00e9s du proc\u00e9d\u00e9, qualit\u00e9 de la mati\u00e8re premi\u00e8re, masse du lopin (forme nette sans bavure), pr\u00e9paration des lopins, temp\u00e9ratures et param\u00e8tres de maintenance, doivent \u00eatre pilot\u00e9s avec pr\u00e9cision. <\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_3 et_pb_row et_block_row\">\n<div class=\"et_pb_column_4 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_text_5 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2>D\u00e9velopper un proc\u00e9d\u00e9 de forge \u00e0 mi-chaud moderne<\/h2>\n<\/div><\/div>\n\n<div class=\"et_pb_text_6 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>La forge \u00e0 mi-chaud constitue un axe majeur de l'expertise historique de Setforge dans la fabrication de composants m\u00e9caniques de haute qualit\u00e9. Setforge Near Net et Setforge Gauvin sont les sites Setforge \u00e9quip\u00e9s de lignes de forge semi-chaude de derni\u00e8re g\u00e9n\u00e9ration. Dans le cadre de la strat\u00e9gie industrie 4.0 et de la d\u00e9marche lean du groupe Farinia, nos \u00e9quipes investissent en continu dans des solutions d'am\u00e9lioration de la production et de la qualit\u00e9.  <\/p>\n<p>Les exigences qualit\u00e9 de l'industrie automobile ne cessent de cro\u00eetre, port\u00e9es par le d\u00e9veloppement de nouvelles solutions technologiques. Les composants de moteur, de transmission et de ch\u00e2ssis doivent ainsi offrir les meilleures propri\u00e9t\u00e9s m\u00e9caniques, conjuguant r\u00e9sistance et adaptabilit\u00e9. \u00c0 ces d\u00e9fis s'ajoutent la hausse des co\u00fbts de l'\u00e9nergie et des mati\u00e8res premi\u00e8res, auxquels les forgeurs doivent faire face.  <\/p>\n<p>Pour r\u00e9pondre \u00e0 l'\u00e9volution rapide du march\u00e9 et satisfaire l'ensemble de ces exigences, le groupe Farinia et sa filiale forge Setforge ont fait le choix de l'innovation. Engag\u00e9s depuis plusieurs ann\u00e9es dans une d\u00e9marche de digitalisation et de modernisation, ils sont en mesure de s'adapter \u00e0 la dynamique du secteur et de livrer des composants forg\u00e9s \u00e0 chaud, \u00e0 mi-chaud et \u00e0 froid de qualit\u00e9 premium pour un large spectre d'industries. <\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Port\u00e9e par l&rsquo;industrie automobile et sa recherche permanente de composants plus performants, plus l\u00e9gers et plus comp\u00e9titifs, la forge \u00e0 mi-chaud a gagn\u00e9 en importance. Utilis\u00e9e seule ou int\u00e9gr\u00e9e dans des gammes de fabrication combinant forge \u00e0 mi-chaud et forge \u00e0 froid, cette technique s&rsquo;est impos\u00e9e pour sa capacit\u00e9 \u00e0 produire des composants aux meilleures caract\u00e9ristiques m\u00e9caniques. ","protected":false},"author":1,"featured_media":8352,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[49],"tags":[],"filtres_blog":[27],"filtres_news":[],"class_list":["post-8353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9velopper un proc\u00e9d\u00e9 de forge \u00e0 mi-chaud de qualit\u00e9 - Setforge<\/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:\/\/www.setforge.net\/fr\/blog\/developper-un-procede-de-forge-a-mi-chaud-de-qualite\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9velopper un proc\u00e9d\u00e9 de forge \u00e0 mi-chaud de qualit\u00e9 - Setforge\" \/>\n<meta property=\"og:description\" content=\"Port\u00e9e par l&#039;industrie automobile et sa recherche permanente de composants plus performants, plus l\u00e9gers et plus comp\u00e9titifs, la forge \u00e0 mi-chaud a gagn\u00e9 en importance. 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