{"id":1338,"date":"2019-10-30T14:05:17","date_gmt":"2019-10-30T14:05:17","guid":{"rendered":"https:\/\/srtech.it\/le-procede-de-fusion-a-la-cire-perdue\/"},"modified":"2026-09-16T21:19:32","modified_gmt":"2026-09-16T21:19:32","slug":"le-procede-de-fusion-a-la-cire-perdue","status":"publish","type":"page","link":"https:\/\/srtech.it\/fr\/le-procede-de-fusion-a-la-cire-perdue\/","title":{"rendered":"Le Proc\u00e9d\u00e9 de Fusion a la Cire Perdue"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; fullwidth=\u00a0\u00bbon\u00a0\u00bb theme_builder_area=\u00a0\u00bbpost_content\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb][et_pb_fullwidth_code _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb theme_builder_area=\u00a0\u00bbpost_content\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime;]<!doctype html><!-- [et_pb_line_break_holder] --><html 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.step-no{grid-row:1\/3;width:48px;height:48px;border-width:4px;font-size:16px}#sr-process .step img{grid-column:2;height:190px;min-height:190px}#sr-process .step-copy{grid-column:2;padding:24px 20px}#sr-process .quality-photo{min-height:360px}#sr-process .checks,#sr-process .insights-grid{grid-template-columns:1fr}#sr-process .insight-card{min-height:auto}}<!-- [et_pb_line_break_holder] -->  <\/style>\n<p><!-- [et_pb_line_break_holder] --><\/head><!-- [et_pb_line_break_holder] --><body><!-- [et_pb_line_break_holder] --><main id=\"sr-process\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<header class=\"hero\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"wrap\">\n<div class=\"hero-copy\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"kicker\">Fonderie \u00e0 cire perdue<\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<h1>Le proc\u00e9d\u00e9 de fonderie \u00e0 cire perdue, \u00e9tape par \u00e9tape.<\/h1>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"lead\">De la reproduction du composant en cire \u00e0 la coul\u00e9e de l\u2019acier, jusqu\u2019aux usinages et aux contr\u00f4les finaux : neuf \u00e9tapes pour obtenir des pi\u00e8ces complexes, pr\u00e9cises et r\u00e9p\u00e9tables.<\/pee><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"actions\"><a class=\"btn btn-red\" href=\"https:\/\/srtech.it\/fr\/produits-a-la-cire-perdue\/\">Voir les produits moul\u00e9s \u00e0 la cire perdue \u2192<\/a><a class=\"btn btn-outline\" href=\"mailto:commerciale@srtech.it?subject=Demande%20de%20devis%20fonderie%20cire%20perdue\">Envoyer un plan pour un devis<\/a><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"hero-bar\">\n<div class=\"wrap macro-grid\">\n<div class=\"macro\"><strong>01 \u00b7 Mod\u00e8le<\/strong>cires et assemblage<\/div>\n<div class=\"macro\"><strong>02 \u00b7 Carapace<\/strong>rev\u00eatement et cuisson<\/div>\n<div class=\"macro\"><strong>03 \u00b7 M\u00e9tal<\/strong>coul\u00e9e, finition et contr\u00f4les<\/div>\n<\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/header>\n<p><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"section\">\n<div class=\"wrap intro\">\n<div>\n<div class=\"kicker\">Comment \u00e7a fonctionne<\/div>\n<h2>Trois grandes phases, un seul proc\u00e9d\u00e9 de production<\/h2>\n<pee>La fonderie de pr\u00e9cision, \u00e9galement appel\u00e9e fonderie \u00e0 cire perdue, utilise un mod\u00e8le en cire qui reproduit le composant \u00e0 fabriquer tout en tenant compte des retraits du proc\u00e9d\u00e9.<\/pee><pee>Le mod\u00e8le est envelopp\u00e9 dans une carapace c\u00e9ramique. Apr\u00e8s l\u2019\u00e9limination de la cire, le m\u00e9tal en fusion remplit la cavit\u00e9 ainsi lib\u00e9r\u00e9e et prend la g\u00e9om\u00e9trie de la pi\u00e8ce.<\/pee><\/div>\n<div class=\"macro-cards\">\n<article class=\"macro-card\">\n<div class=\"macro-num\">1<\/div>\n<div>\n<h3>Cr\u00e9ation de la grappe<\/h3>\n<pee>Moulage des mod\u00e8les en cire et assemblage sur l\u2019arbre de coul\u00e9e.<\/pee><\/div>\n<\/article>\n<article class=\"macro-card\">\n<div class=\"macro-num\">2<\/div>\n<div>\n<h3>Pr\u00e9paration de la carapace<\/h3>\n<pee>Couches c\u00e9ramiques successives, d\u00e9cirage et cuisson \u00e0 haute temp\u00e9rature.<\/pee><\/div>\n<\/article>\n<article class=\"macro-card\">\n<div class=\"macro-num\">3<\/div>\n<div>\n<h3>Production du composant<\/h3>\n<pee>Coul\u00e9e, \u00e9limination de la carapace, finition, usinages et contr\u00f4le.<\/pee><\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"section soft\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<div>\n<div class=\"kicker\">Le cycle de production<\/div>\n<h2>Les neuf \u00e9tapes de la fonderie \u00e0 cire perdue<\/h2>\n<\/div>\n<pee>Chaque phase influe sur la pr\u00e9cision dimensionnelle, la qualit\u00e9 de surface et l\u2019int\u00e9grit\u00e9 m\u00e9tallurgique de la pi\u00e8ce moul\u00e9e.<\/pee><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"timeline\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\" id=\"cires\">\n<div class=\"step-no\">01<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/00_process02a.jpg\" alt=\"Moulage des mod\u00e8les en cire\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">Mod\u00e8le en cire<\/span><\/p>\n<h3>Moulage des cires<\/h3>\n<pee>La cire est inject\u00e9e dans des moules sp\u00e9cifiques afin d\u2019obtenir des mod\u00e8les conformes \u00e0 la g\u00e9om\u00e9trie du composant final. Cette phase d\u00e9termine la pr\u00e9cision, la r\u00e9p\u00e9tabilit\u00e9 et la qualit\u00e9 de la pi\u00e8ce.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\">\n<div class=\"step-no\">02<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/00_process02b-1.jpg\" alt=\"Assemblage de la grappe en cire\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">Mod\u00e8le en cire<\/span><\/p>\n<h3>Assemblage de la grappe<\/h3>\n<pee>Les mod\u00e8les sont fix\u00e9s sur l\u2019arbre de coul\u00e9e en cire par chauffage contr\u00f4l\u00e9, formant une structure unique appel\u00e9e grappe.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\" id=\"carapace\">\n<div class=\"step-no\">03<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/00_process02c-1.jpg\" alt=\"Cr\u00e9ation de la carapace c\u00e9ramique\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">Carapace c\u00e9ramique<\/span><\/p>\n<h3>Cr\u00e9ation de la carapace c\u00e9ramique<\/h3>\n<pee>La grappe est plong\u00e9e plusieurs fois dans un bain c\u00e9ramique puis recouverte de mat\u00e9riau r\u00e9fractaire. La premi\u00e8re couche, au contact de la cire, est d\u00e9terminante pour la qualit\u00e9 de surface.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\">\n<div class=\"step-no\">04<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/00_process02d1.jpg\" alt=\"D\u00e9cirage et cuisson de la carapace\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">Carapace c\u00e9ramique<\/span><\/p>\n<h3>D\u00e9cirage et cuisson<\/h3>\n<pee>La cire est \u00e9limin\u00e9e de la carapace s\u00e9ch\u00e9e. Celle-ci est ensuite cuite \u00e0 haute temp\u00e9rature afin d\u2019acqu\u00e9rir la r\u00e9sistance m\u00e9canique et thermique n\u00e9cessaire \u00e0 la coul\u00e9e.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\" id=\"coulee\">\n<div class=\"step-no\">05<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/00_process02e-1.jpg\" alt=\"Coul\u00e9e de l'acier dans la carapace c\u00e9ramique\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">M\u00e9tal<\/span><\/p>\n<h3>Coul\u00e9e de l\u2019acier<\/h3>\n<pee>Le m\u00e9tal en fusion est coul\u00e9 par gravit\u00e9 dans la carapace encore chaude. La ma\u00eetrise des temp\u00e9ratures limite le choc thermique et favorise un refroidissement r\u00e9gulier de la pi\u00e8ce.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\">\n<div class=\"step-no\">06<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/00_process02f-1.jpg\" alt=\"D\u00e9cochage de la carapace c\u00e9ramique\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">Extraction<\/span><\/p>\n<h3>D\u00e9cochage et s\u00e9paration<\/h3>\n<pee>Apr\u00e8s solidification, le rev\u00eatement c\u00e9ramique est bris\u00e9. Les pi\u00e8ces sont ensuite s\u00e9par\u00e9es de l\u2019arbre de coul\u00e9e par d\u00e9coupe m\u00e9canique ou thermique.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\" id=\"finition\">\n<div class=\"step-no\">07<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/00_process02g-1.jpg\" alt=\"Finition des pi\u00e8ces moul\u00e9es \u00e0 la cire perdue\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">Composant fini<\/span><\/p>\n<h3>Finition et usinages m\u00e9caniques<\/h3>\n<pee>Les attaques de coul\u00e9e sont \u00e9limin\u00e9es et, si n\u00e9cessaire, des traitements thermiques, usinages CNC, per\u00e7ages, filetages, rectifications et finitions de surface sont r\u00e9alis\u00e9s.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\" id=\"controles\">\n<div class=\"step-no\">08<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/controlli-1.jpg\" alt=\"Contr\u00f4les dimensionnels des composants\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">Qualit\u00e9<\/span><\/p>\n<h3>Contr\u00f4les dimensionnels et qualitatifs<\/h3>\n<pee>L\u2019alliage, le proc\u00e9d\u00e9 et le composant fini sont contr\u00f4l\u00e9s afin de v\u00e9rifier la conformit\u00e9 au plan, l\u2019int\u00e9grit\u00e9 de la pi\u00e8ce moul\u00e9e et la constance des approvisionnements.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<article class=\"step\">\n<div class=\"step-no\">09<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/packing-1.jpg\" alt=\"Emballage des composants moul\u00e9s \u00e0 la cire perdue\"><\/p>\n<div class=\"step-copy\"><span class=\"phase\">Supply chain<\/span><\/p>\n<h3>Emballage, exp\u00e9dition et Kanban<\/h3>\n<pee>Les composants conformes sont emball\u00e9s puis exp\u00e9di\u00e9s par voie maritime ou a\u00e9rienne. \u00c0 Parme, SR Tech g\u00e8re des stocks d\u00e9di\u00e9s et des livraisons programm\u00e9es selon une logique Kanban.<\/pee><\/div>\n<\/article>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"section\">\n<div class=\"wrap quality\">\n<div class=\"quality-photo\"><img decoding=\"async\" src=\"https:\/\/www.srtech.it\/wp-content\/uploads\/2019\/07\/controlli-1.jpg\" alt=\"Contr\u00f4le qualit\u00e9 d\u2019un composant moul\u00e9 \u00e0 la cire perdue\"><\/div>\n<div>\n<div class=\"kicker\">Qualit\u00e9 de la pi\u00e8ce moul\u00e9e<\/div>\n<h2>Le contr\u00f4le ne se limite pas \u00e0 la derni\u00e8re phase<\/h2>\n<pee>La qualit\u00e9 finale d\u00e9pend du contr\u00f4le syst\u00e9matique de l\u2019ensemble du cycle : stabilit\u00e9 des mod\u00e8les en cire, uniformit\u00e9 de la carapace, composition de l\u2019alliage, temp\u00e9ratures de fusion et de coul\u00e9e, refroidissement et op\u00e9rations ult\u00e9rieures.<\/pee>\n<ul class=\"checks\">\n<li>Analyse chimique de l\u2019alliage<\/li>\n<li>Contr\u00f4les dimensionnels<\/li>\n<li>Rapport MMT<\/li>\n<li>Certificat EN 10204 3.1<\/li>\n<li>Contr\u00f4les visuels<\/li>\n<li>Essais sp\u00e9cifiques sur demande<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"section soft\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"wrap\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"kicker\">Ressources techniques<\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<h2>En savoir plus sur la fonderie \u00e0 cire perdue<\/h2>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"insights-intro\">D\u00e9couvrez les caract\u00e9ristiques de la technologie, consultez des exemples de composants r\u00e9alis\u00e9s et comparez les tol\u00e9rances ainsi que les domaines d\u2019application.<\/pee><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"insights-grid\"><!-- [et_pb_line_break_holder] -->        <a class=\"insight-card\" href=\"https:\/\/srtech.it\/fr\/fusion-a-la-cire-perdue\/\"><!-- [et_pb_line_break_holder] -->          <span class=\"insight-number\">01<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Fonderie \u00e0 cire perdue<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Caract\u00e9ristiques, mat\u00e9riaux, avantages et services propos\u00e9s par SR Tech.<\/pee><!-- [et_pb_line_break_holder] -->          <span class=\"insight-link\">Acc\u00e9der \u00e0 la page \u2192<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"insight-card\" href=\"https:\/\/srtech.it\/fr\/produits-a-la-cire-perdue\/\"><!-- [et_pb_line_break_holder] -->          <span class=\"insight-number\">02<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Produits moul\u00e9s \u00e0 la cire perdue<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Composants bruts, usin\u00e9s et finis r\u00e9alis\u00e9s pour diff\u00e9rents secteurs industriels.<\/pee><!-- [et_pb_line_break_holder] -->          <span class=\"insight-link\">Voir les produits \u2192<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"insight-card\" href=\"https:\/\/srtech.it\/fr\/tolerances-dimensionnelles-en-fonderie-a-cire-perdue\/\"><!-- [et_pb_line_break_holder] -->          <span class=\"insight-number\">03<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Tol\u00e9rances dimensionnelles<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Consultez les tol\u00e9rances r\u00e9alisables et les niveaux de pr\u00e9cision applicables.<\/pee><!-- [et_pb_line_break_holder] -->          <span class=\"insight-link\">Consulter les tableaux \u2192<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"insight-card\" href=\"https:\/\/srtech.it\/fr\/comparaison-entre-la-fonderie-a-cire-perdue-et-les-autres-technologies\/\"><!-- [et_pb_line_break_holder] -->          <span class=\"insight-number\">04<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Comparaison des technologies<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Comparez la fonderie \u00e0 cire perdue \u00e0 l\u2019usinage CNC, au forgeage et \u00e0 d\u2019autres proc\u00e9d\u00e9s.<\/pee><!-- [et_pb_line_break_holder] -->          <span class=\"insight-link\">Comparer les proc\u00e9d\u00e9s \u2192<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"cta\">\n<div class=\"wrap cta-inner\">\n<div>\n<h2>Vous souhaitez savoir si votre composant se pr\u00eate \u00e0 la fonderie \u00e0 cire perdue ?<\/h2>\n<pee>Envoyez-nous le plan 2D ou 3D, le mat\u00e9riau et les quantit\u00e9s indicatives. Nous \u00e9valuerons la g\u00e9om\u00e9trie, les tol\u00e9rances, les finitions et la solution de production.<\/pee><\/div>\n<p><a class=\"btn\" href=\"mailto:commerciale@srtech.it?subject=Evaluation%20composant%20fonderie%20cire%20perdue\">Envoyer le plan \u2192<\/a><\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><\/main><!-- [et_pb_line_break_holder] --><\/body><!-- [et_pb_line_break_holder] --><\/html><!-- [et_pb_line_break_holder] -->[\/et_pb_fullwidth_code][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2142,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-1338","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le Proc\u00e9d\u00e9 de Fusion a la Cire Perdue | SR Tech srl - 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