{"id":7712,"date":"2021-04-13T19:30:26","date_gmt":"2021-04-13T19:30:26","guid":{"rendered":"https:\/\/macrodynepress.com\/presses-hydrauliques-de-formage-superplastique-spf\/"},"modified":"2025-08-01T10:35:27","modified_gmt":"2025-08-01T10:35:27","slug":"presses-hydrauliques-de-formage-superplastique-spf","status":"publish","type":"post","link":"https:\/\/macrodynepress.com\/fr\/presses-hydrauliques-de-formage-superplastique-spf\/","title":{"rendered":"Presses hydrauliques de formage superplastique (SPF)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"7712\" class=\"elementor elementor-7712 elementor-6023\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-252e809 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"252e809\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a9ebbfd\" data-id=\"a9ebbfd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-801a321 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"801a321\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5e5e90e\" data-id=\"5e5e90e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-25476df elementor-widget elementor-widget-heading\" data-id=\"25476df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">introduction <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-912fa3d elementor-widget elementor-widget-text-editor\" data-id=\"912fa3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La superplasticit\u00e9 est une caract\u00e9ristique des m\u00e9taux ou alliages m\u00e9talliques, qui deviennent plus mall\u00e9ables \u00e0 haute temp\u00e9rature. En raison de cette caract\u00e9ristique, les alliages peuvent \u00eatre \u00e9tir\u00e9s dans des tailles beaucoup plus grandes, produisant des composants l\u00e9gers \u00e0 haute r\u00e9sistance avec des g\u00e9om\u00e9tries complexes.<\/p><p>Dans le processus de formage superplastique (SPF), les feuilles de m\u00e9tal sont expos\u00e9es \u00e0 des gaz inertes comme l&rsquo;argon (extr\u00eamement pur) dans un syst\u00e8me de vide. Le gaz est appliqu\u00e9 uniform\u00e9ment sur la feuille sur la cavit\u00e9 de la fili\u00e8re. Le mat\u00e9riau est fa\u00e7onn\u00e9 sur des moules pour produire les pi\u00e8ces requises, y compris des structures tridimensionnelles telles que des structures creuses ou en nid d&rsquo;abeilles. Des pressions de gaz variables sont utilis\u00e9es pour garantir que l&rsquo;\u00e9paisseur souhait\u00e9e est atteinte.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-639cefa\" data-id=\"639cefa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a080fea elementor-widget elementor-widget-image\" data-id=\"a080fea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"256\" height=\"300\" src=\"https:\/\/macrodynepress.com\/wp-content\/uploads\/2021\/04\/SPFP1-400-Ton-Super-Plastic-Forming-Press-256x300-1.png\" class=\"attachment-full size-full wp-image-6739\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Presse de formage superplastique de 400 tonnes<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-4e35edc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4e35edc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-068b039\" data-id=\"068b039\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t<a class=\"elementor-element elementor-element-b23585f e-flex e-con-boxed e-con e-parent\" data-id=\"b23585f\" data-element_type=\"container\" data-e-type=\"container\" href=\"https:\/\/macrodynepress.com\/fr\/hydraulic-presses\/formage-superplastique\/\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8aa6c27 e-con-full e-flex e-con e-child\" data-id=\"8aa6c27\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-63072ab elementor-widget elementor-widget-image\" data-id=\"63072ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"700\" height=\"820\" src=\"https:\/\/macrodynepress.com\/wp-content\/uploads\/2021\/04\/SPFP1-400-Ton-Super-Plastic-Forming-Press-1-1.png\" class=\"attachment-full size-full wp-image-32669\" alt=\"\" srcset=\"https:\/\/macrodynepress.com\/wp-content\/uploads\/2021\/04\/SPFP1-400-Ton-Super-Plastic-Forming-Press-1-1.png 700w, https:\/\/macrodynepress.com\/wp-content\/uploads\/2021\/04\/SPFP1-400-Ton-Super-Plastic-Forming-Press-1-1-256x300.png 256w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bfb216a e-con-full e-flex e-con e-child\" data-id=\"bfb216a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b507b0d elementor-widget elementor-widget-heading\" data-id=\"b507b0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Presses de formage superplastiques<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90b27f3 elementor-widget elementor-widget-heading\" data-id=\"90b27f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span style=\"color:#10529E;text-decoration: underline\">En savoir plus sur les presses de formage de superplastiques Macrodyne sur mesure<\/span><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-20fd4f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"20fd4f5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-700bd92\" data-id=\"700bd92\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-0716f8a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0716f8a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3cce069\" data-id=\"3cce069\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-caf0cfe elementor-widget elementor-widget-heading\" data-id=\"caf0cfe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mat\u00e9riaux et applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76518d0 elementor-widget elementor-widget-text-editor\" data-id=\"76518d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La superplasticit\u00e9 se trouve dans divers mat\u00e9riaux, y compris les m\u00e9taux et alliages, les c\u00e9ramiques, les verres m\u00e9talliques en vrac et les mat\u00e9riaux g\u00e9ologiques. L&rsquo;aluminium devient superplastique \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 500 degr\u00e9s Celsius et le titane \u00e0 des temp\u00e9ratures d\u00e9passant 900 degr\u00e9s Celsius. De nouveaux alliages font \u00e9galement leur apparition sur le march\u00e9, qui pr\u00e9sente une superplasticit\u00e9 m\u00eame \u00e0 des temp\u00e9ratures plus basses.<\/p><p> <\/p><p>Des mat\u00e9riaux comme ceux-ci permettent d&rsquo;obtenir des feuilles plus minces, am\u00e9liorant \u00e0 la fois la dur\u00e9e de vie des moules et des pi\u00e8ces et r\u00e9duisant le poids et le co\u00fbt des composants. Par rapport aux m\u00e9thodes de formage traditionnelles, SPF offre des \u00e9conomies de mati\u00e8re (&gt; 10%), r\u00e9duction des co\u00fbts d&rsquo;outillage (&gt; 20%), des d\u00e9lais d&rsquo;ex\u00e9cution plus courts et une r\u00e9sistance de la pi\u00e8ce am\u00e9lior\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7938558\" data-id=\"7938558\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d0e4abb elementor-widget elementor-widget-image\" data-id=\"d0e4abb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"190\" src=\"https:\/\/macrodynepress.com\/wp-content\/uploads\/2021\/04\/superplastic-product-790x500-300x190-1.jpg\" class=\"attachment-full size-full wp-image-6740\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b4263f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b4263f5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f5af70b\" data-id=\"f5af70b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-42c32e0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"42c32e0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-97268a4\" data-id=\"97268a4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c620e2d elementor-widget elementor-widget-text-editor\" data-id=\"c620e2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L&rsquo;un des avantages les plus importants du SPF est la capacit\u00e9 de produire des pi\u00e8ces plus grandes, plus r\u00e9sistantes et plus l\u00e9g\u00e8res qu&rsquo;une presse traditionnelle, avec moins de joints et de soudures. Cela est d\u00fb, en partie, \u00e0 un mat\u00e9riau stratifi\u00e9 particulier (et secret) qui est utilis\u00e9 dans le processus, comme celui utilis\u00e9 dans la fabrication de moteurs \u00e0 r\u00e9action, par exemple.<\/p><p> <\/p><p>Le rapport r\u00e9sistance \/ poids \u00e9lev\u00e9 et la r\u00e9sistance \u00e0 la corrosion des composants SPF les rendent id\u00e9aux pour les applications de l&rsquo;industrie a\u00e9rospatiale. Les presses SPF sont utilis\u00e9es pour certains des programmes d&rsquo;avions commerciaux les plus \u00e9tendus au monde pour produire des pi\u00e8ces d&rsquo;aile, des carters de moteur, des pales et des gouvernails. Le SPF est \u00e9galement utilis\u00e9 pour les composants automobiles, les dispositifs m\u00e9dicaux, les panneaux architecturaux et m\u00eame les t\u00eates de clubs de golf. <\/p><p> <\/p><p>Un exemple de SPF en action dans l&rsquo;industrie a\u00e9rospatiale est utilis\u00e9 par les principaux fabricants pour l&rsquo;a\u00e9ronef, l&rsquo;espace et la d\u00e9fense, o\u00f9 l&rsquo;alliage Ti-6AI-4V a \u00e9t\u00e9 utilis\u00e9 pour fabriquer un cadre de poutre centrale de nacelle en un seul composant, comme alternative. aux huit \u00e9l\u00e9ments et aux 96 fixations n\u00e9cessaires auparavant &#8211; l&rsquo;utilisation \u00e0 la fois de SPF et de collage par diffusion a permis de r\u00e9aliser des \u00e9conomies de co\u00fbts de 55 pour cent et une \u00e9conomie de poids de 33 pour cent.<\/p><p> <\/p><p>Le collage par diffusion est un autre proc\u00e9d\u00e9, plus respectueux de l&rsquo;environnement, utilis\u00e9 dans les industries nucl\u00e9aire et a\u00e9rospatiale pour coller plusieurs feuilles ensemble sous vide ou dans un environnement de gaz inerte. Le processus de diffusion \u00e0 l&rsquo;\u00e9tat solide permet aux mol\u00e9cules des feuilles de s&rsquo;int\u00e9grer \u00e0 des temp\u00e9ratures et pressions \u00e9lev\u00e9es tout en conservant la plupart des propri\u00e9t\u00e9s inh\u00e9rentes aux m\u00e9taux ou alliages individuels.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1a97368 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1a97368\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-86ab194\" data-id=\"86ab194\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e06ab6f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e06ab6f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0c439cd\" data-id=\"0c439cd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e2b6761 elementor-widget elementor-widget-heading\" data-id=\"e2b6761\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00c9tablissement des param\u00e8tres de processus<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08811bc elementor-widget elementor-widget-text-editor\" data-id=\"08811bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le proc\u00e9d\u00e9 SPF est tr\u00e8s distinct et n\u00e9cessite de longues dur\u00e9es de cycle \u00e0 des temp\u00e9ratures extr\u00eamement \u00e9lev\u00e9es. Le temps moyen n\u00e9cessaire pour fabriquer une pi\u00e8ce \u00e0 des temp\u00e9ratures comprises entre 930 et 970 degr\u00e9s Celsius est d&rsquo;environ 7 heures.<\/p><p>Une vitesse de formage lente rend le proc\u00e9d\u00e9 id\u00e9al pour les applications de production \u00e0 faible volume, bien que ce soit l&rsquo;un des inconv\u00e9nients du SPF. Heureusement, les progr\u00e8s de la technologie des proc\u00e9d\u00e9s ont permis un d\u00e9bit plus rapide et des temps de cycle am\u00e9lior\u00e9s, rendant le SPF plus comp\u00e9titif pour les applications \u00e0 volume \u00e9lev\u00e9, comme celles utilis\u00e9es dans les applications automobiles.<\/p><p>Le tableau ci-dessous g\u00e9n\u00e9ralise certains des param\u00e8tres de processus du SPF:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-770e4b0 elementor-widget elementor-widget-text-editor\" data-id=\"770e4b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td><strong>Param\u00e8tre<\/strong><\/td><td><strong> Varier<\/strong><\/td><\/tr><tr><td>Tonnage typique<\/td><td> 50 \u00e0 800 tonnes<\/td><\/tr><tr><td>Taille de lit typique<\/td><td> 60 \u00ab\u00a0x 40\u00a0\u00bb \u00e0 120 \u00ab\u00a0\u00e0 80\u00a0\u00bb<\/td><\/tr><tr><td>Pression de pressage typique<\/td><td> 500 \u00e0 1000 psi<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0d67e5c\" data-id=\"0d67e5c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cde0c79 elementor-widget elementor-widget-image\" data-id=\"cde0c79\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"256\" height=\"300\" src=\"https:\/\/macrodynepress.com\/wp-content\/uploads\/2021\/04\/SPFP3-600-Ton-Super-Plastic-Forming_Press-256x300-1.jpg\" class=\"attachment-full size-full wp-image-6741\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Presse de formage superplastique de 600 tonnes<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c36efec elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c36efec\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-880cf53\" data-id=\"880cf53\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8d668f8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8d668f8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-03875a0\" data-id=\"03875a0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8fa2460 elementor-widget elementor-widget-text-editor\" data-id=\"8fa2460\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Exemple<\/em>:<\/p><p>Les sp\u00e9cifications de tonnage des presses SPF d\u00e9pendent de la taille de la matrice et du composant. Les presses sont pratiquement des m\u00e9canismes de serrage, et les vitesses ne sont pas les m\u00eames que dans une op\u00e9ration de presse r\u00e9guli\u00e8re. Hormis la pression de 500 psi requise pour ouvrir la presse, le tonnage doit \u00eatre plus \u00e9lev\u00e9 pour fournir le bon effet de serrage.<\/p><p> <\/p><p>Si la pi\u00e8ce mesure 50 pouces sur 30 pouces, la surface de la pi\u00e8ce sera de 1 500 pouces carr\u00e9s. Prenez ces 1500 pouces carr\u00e9s et multipliez-les par la pression: 500 psi \u00e9quivaudrait \u00e0 750 000 livres de force (ou 375 tonnes). Id\u00e9alement, le tonnage de la presse devrait \u00eatre de 450 \u00e0 500 tonnes, avec une vitesse de fermeture rapide d&rsquo;environ 50 pouces par minute, un retour rapide de 50 pouces par minute et une pression de 1 \u00e0 5 pouces par minute.<\/p><p> <\/p><p>Il est essentiel de s&rsquo;assurer que les mat\u00e9riaux sont d&rsquo;\u00e9paisseur uniforme sur toute la surface de la feuille pour garantir une r\u00e9sistance \u00e0 la traction uniforme. Le processus doit \u00e9galement tenir compte des effets du retour \u00e9lastique, qui a tendance \u00e0 se produire une fois que la pression est rel\u00e2ch\u00e9e pendant le processus de production.<\/p><p> <\/p><p>De m\u00eame, le grippage peut se produire en cas de frottement et d&rsquo;adh\u00e9rence, ce qui provoque une rugosit\u00e9 localis\u00e9e et d&rsquo;autres d\u00e9fauts de surface. Cela est particuli\u00e8rement vrai de l&rsquo;aluminium lorsqu&rsquo;il est chauff\u00e9 \u00e0 un \u00e9tat superplastique et soumis \u00e0 des forces de compression. Pour \u00e9viter que le mat\u00e9riau interm\u00e9diaire n&rsquo;adh\u00e8re au moule, ce qui entra\u00eene des variations de l&rsquo;\u00e9coulement du mat\u00e9riau lors de son \u00e9tirage, utilisez une lubrification \u00e0 haute temp\u00e9rature pour limiter les frottements et att\u00e9nuer les risques de grippage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f6c4e84 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f6c4e84\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9b4c9e6\" data-id=\"9b4c9e6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f4e1053 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f4e1053\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b3ceefb\" data-id=\"b3ceefb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7ae55e7 elementor-widget elementor-widget-heading\" data-id=\"7ae55e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conception de presse hydraulique SPF<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad8e78c elementor-widget elementor-widget-text-editor\" data-id=\"ad8e78c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Une presse hydraulique sp\u00e9cialement con\u00e7ue pour une application SPF est au c\u0153ur de toute op\u00e9ration SPF. Plusieurs fonctionnalit\u00e9s cl\u00e9s de la presse SPF auront des implications sur les r\u00e9sultats du processus:<\/p><ul><li>Pressions de gaz argon pr\u00e9cises et reproductibles et contr\u00f4le de la temp\u00e9rature multi-zone. Ce sont des \u00e9l\u00e9ments critiques d&rsquo;une op\u00e9ration SPF r\u00e9ussie. Pour maximiser l&rsquo;efficacit\u00e9 de ces syst\u00e8mes, une commande de presse flexible et r\u00e9p\u00e9table est n\u00e9cessaire. Les syst\u00e8mes de gestion de gaz de pr\u00e9cision comprennent des \u00e9changeurs de chaleur pour le refroidissement des gaz chauds pendant l&rsquo;\u00e9chappement et fournissent des pressions de gaz d&rsquo;argon pr\u00e9cises et r\u00e9p\u00e9tables.<\/li><li>Des fonctions hydrauliques et de contr\u00f4le innovantes permettent d&rsquo;augmenter le tonnage de la presse proportionnellement \u00e0 l&rsquo;augmentation de la pression d&rsquo;argon et vice versa pour minimiser la charge des joints de fili\u00e8re. <\/li><li>Des \u00e9crans thermiques et une isolation en c\u00e9ramique hautement efficaces sont standard sur les presses Macrodyne SPF et offrent une isolation optimale des temp\u00e9ratures \u00e9lev\u00e9es r\u00e9sultant du processus tout en garantissant une longue dur\u00e9e de vie des composants et la s\u00e9curit\u00e9 de l&rsquo;op\u00e9rateur.<\/li><li>Des agencements de guidage de plongeur sp\u00e9cialis\u00e9s comprenant un ensemble de guidage central de type plongeur et un agencement de barre de guidage \u00e0 compensation de temp\u00e9rature \/ anti-rotation situ\u00e9 dans la traverse fournissent un guidage am\u00e9lior\u00e9 du plateau mobile.<\/li><li>Les syst\u00e8mes d&rsquo;acquisition de donn\u00e9es \u00e0 grande vitesse offrent un acc\u00e8s accru aux informations variables de processus et optimisent l&rsquo;int\u00e9gration des donn\u00e9es entre la presse et les r\u00e9seaux internes.<\/li><li>Des syst\u00e8mes de contr\u00f4le avanc\u00e9s pour g\u00e9rer les variables de processus, y compris le contr\u00f4le de temp\u00e9rature multi-zone, garantissent le succ\u00e8s des op\u00e9rations de formage superplastique.<\/li><li>Coussins roulants pour un changement rapide et s\u00fbr des matrices. Ils sont personnalisables et sont disponibles dans des configurations \u00e0 une ou deux fili\u00e8res pour un d\u00e9placement unidirectionnel ou de type T.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-f730ed9\" data-id=\"f730ed9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-43f4009 elementor-widget elementor-widget-image\" data-id=\"43f4009\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"256\" height=\"300\" src=\"https:\/\/macrodynepress.com\/wp-content\/uploads\/2021\/04\/SPFP2-175-Ton-Super-Plastic-Forming-Press.-256x300-1.jpg\" class=\"attachment-full size-full wp-image-6742\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Presse de formage superplastique 175 tonnes<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f0187f6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f0187f6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f2aa546\" data-id=\"f2aa546\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fe9435f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe9435f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-fde88be\" data-id=\"fde88be\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7fed9cb elementor-widget elementor-widget-text-editor\" data-id=\"7fed9cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPourquoi Macrodyne? \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70c6d65 elementor-widget elementor-widget-text-editor\" data-id=\"70c6d65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Que vous soyez novice dans le processus SPF ou que vous repr\u00e9sentiez une entreprise poss\u00e9dant une vaste exp\u00e9rience de l&rsquo;application, nous vous encourageons \u00e0<a href=\"https:\/\/macrodynepress.com\/fr\/nous-contacter\/\"><u> Nous contacter<\/u><\/a> aujourd&rsquo;hui. Nous pouvons travailler avec vous pour optimiser votre environnement de production et vous aider \u00e0 obtenir la meilleure qualit\u00e9 de pi\u00e8ce de sa cat\u00e9gorie \u00e0 des volumes plus \u00e9lev\u00e9s et \u00e0 des co\u00fbts inf\u00e9rieurs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be59ccb elementor-widget elementor-widget-text-editor\" data-id=\"be59ccb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Visitez notre page sur le <a href=\"https:\/\/macrodynepress.com\/fr\/superplastic-forming-2\/\">formage des superplastiques<\/a> pour en savoir plus sur les presses de formage des superplastiques sur mesure.<\/p><p><a class=\"post\" href=\"https:\/\/macrodynepress.com\/fr\/nous-contacter\/\">Contactez-nous<\/a> \u00e0 propos de vos besoins en presses hydrauliques.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>introduction La superplasticit\u00e9 est une caract\u00e9ristique des m\u00e9taux ou alliages m\u00e9talliques, qui deviennent plus mall\u00e9ables \u00e0 haute temp\u00e9rature. En raison de cette caract\u00e9ristique, les alliages peuvent \u00eatre \u00e9tir\u00e9s dans des tailles beaucoup plus grandes, produisant des composants l\u00e9gers \u00e0 haute r\u00e9sistance avec des g\u00e9om\u00e9tries complexes. Dans le processus de formage superplastique (SPF), les feuilles de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33618,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[57],"tags":[],"class_list":["post-7712","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-papiers-blanc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Presses hydrauliques de formage superplastique (SPF) | Macrodyne<\/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:\/\/macrodynepress.com\/fr\/presses-hydrauliques-de-formage-superplastique-spf\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Presses hydrauliques de formage superplastique (SPF) | Macrodyne\" \/>\n<meta property=\"og:description\" content=\"introduction La superplasticit\u00e9 est une caract\u00e9ristique des m\u00e9taux ou alliages m\u00e9talliques, qui deviennent plus mall\u00e9ables \u00e0 haute temp\u00e9rature. En raison de cette caract\u00e9ristique, les alliages peuvent \u00eatre \u00e9tir\u00e9s dans des tailles beaucoup plus grandes, produisant des composants l\u00e9gers \u00e0 haute r\u00e9sistance avec des g\u00e9om\u00e9tries complexes. Dans le processus de formage superplastique (SPF), les feuilles de [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/macrodynepress.com\/fr\/presses-hydrauliques-de-formage-superplastique-spf\/\" \/>\n<meta property=\"og:site_name\" content=\"Macrodyne\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/macrodynetech\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-13T19:30:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-01T10:35:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/macrodynepress.com\/wp-content\/uploads\/2021\/04\/Superplastic.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1414\" \/>\n\t<meta property=\"og:image:height\" content=\"2000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" 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