{"id":2818,"date":"2021-09-23T11:48:50","date_gmt":"2021-09-23T09:48:50","guid":{"rendered":"https:\/\/pluss-sc.ch\/plasma-et-autogene\/"},"modified":"2023-03-03T16:21:53","modified_gmt":"2023-03-03T15:21:53","slug":"plasma-et-autogene","status":"publish","type":"page","link":"https:\/\/pluss-sc.ch\/de\/plasma-et-autogene\/","title":{"rendered":"Plasma et autog\u00e8ne"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2818\" class=\"elementor elementor-2818 elementor-657\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-455b70f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"455b70f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cbc849c\" data-id=\"cbc849c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4685504 elementor-widget elementor-widget-heading\" data-id=\"4685504\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Plasma et autog\u00e8ne<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\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-f44c671 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f44c671\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-52e9edc\" data-id=\"52e9edc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f4ba178 elementor-widget elementor-widget-text-editor\" data-id=\"f4ba178\" data-element_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<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><strong>Plasma<\/strong><\/p><p>Le d\u00e9coupage \u00e0 l&#8217;arc plasma, d\u00e9velopp\u00e9 dans les ann\u00e9es 50, a permis de couper les m\u00e9taux qui ne pouvaient l\u2019\u00eatre au chalumeau (ex\u00a0: aciers inoxydables, aluminium, cuivre et leurs alliages).<\/p><p>Il s\u2019agit d\u2019un proc\u00e9d\u00e9 de coupage par fusion. L\u2019arc \u00e9lectrique et le gaz plasma sont comprim\u00e9s par une tuy\u00e8re en cuivre refroidie \u00e0 l\u2019eau. Le gaz ainsi chauff\u00e9 g\u00e9n\u00e8re un arc plasma dont la temp\u00e9rature peut atteindre\u00a025000 \u00b0C. La mati\u00e8re est instantan\u00e9ment fondue dans la saign\u00e9e de coupe puis en est chass\u00e9e par le jet de plasma.<\/p><p>Ce proc\u00e9d\u00e9 permet d&#8217;obtenir des vitesses de coupe sup\u00e9rieures au d\u00e9coupage oxhydrique. Il en r\u00e9sulte donc une plus faible \u00e9l\u00e9vation de temp\u00e9rature de la pi\u00e8ce coup\u00e9e.<\/p><p>Cependant, le d\u00e9coupage au jet plasma g\u00e9n\u00e8re un fort d\u00e9gagement de fum\u00e9e. Un syst\u00e8me d&#8217;aspiration de fum\u00e9es est indispensable pour la protection du personnel et des installations environnantes. Le niveau sonore de l&#8217;aspirateur de fum\u00e9es coupl\u00e9 au bruit de l&#8217;arc \u00e9lectrique n&#8217;est pas n\u00e9gligeable. Il convient d&#8217;en tenir compte lors de l&#8217;implantation d&#8217;une telle installation.<\/p><p>L&#8217;\u00e9volution technologique des sources de courant nous permet, depuis quelques ann\u00e9es, de faire du marquage (dessin) sur les pi\u00e8ces \u00e0 usiner. Le principe est identique au d\u00e9coupage, mais la source du courant ne d\u00e9passe pas 20 amp\u00e8res. L&#8217;arc \u00e9lectrique est suffisamment puissant pour marquer sans traverser la pi\u00e8ce.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\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-top-column elementor-element elementor-element-6b939d9\" data-id=\"6b939d9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-66665cd elementor-widget elementor-widget-text-editor\" data-id=\"66665cd\" data-element_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<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><strong>Autog\u00e8ne<\/strong><\/p><p>La technologie autog\u00e8ne existe depuis le d\u00e9but du 20e si\u00e8cle. L\u2019oxycoupage est un proc\u00e9d\u00e9 de coupage par combustion localis\u00e9e, mais continue, \u00e0 l\u2019aide d\u2019un jet d\u2019oxyg\u00e8ne.<\/p><p>La premi\u00e8re \u00e9tape consiste \u00e0 chauffer la pi\u00e8ce \u00e0 une temp\u00e9rature de 1300 \u00b0C (point d&#8217;amor\u00e7age) \u00e0 l&#8217;endroit o\u00f9 l&#8217;on souhaite commencer la coupe. Lorsque le point d&#8217;amor\u00e7age est atteint, on insuffle de l&#8217;oxyg\u00e8ne sous pression au centre de la buse. Ce jet d&#8217;oxyg\u00e8ne permet la combustion de la mati\u00e8re dans la saign\u00e9e de coupe et sur toute l&#8217;\u00e9paisseur de la pi\u00e8ce. Il a \u00e9galement pour r\u00f4le d&#8217;\u00e9vacuer les scories form\u00e9es par la coupe.<\/p><p>Ce proc\u00e9d\u00e9 est technologiquement tr\u00e8s simple et donc tr\u00e8s \u00e9conomique \u00e0 l&#8217;achat. Il est tr\u00e8s facile d&#8217;utiliser plusieurs chalumeaux sur la m\u00eame machine (maximum 2 pour le proc\u00e9d\u00e9 plasma), ce qui induit une meilleure rentabilit\u00e9 pour la production de grandes s\u00e9ries. Les coupes obtenues sont de tr\u00e8s grande qualit\u00e9 dans une tr\u00e8s large gamme d&#8217;\u00e9paisseur (sup\u00e9rieure \u00e0 300 mm).<\/p><p>Par contre, les pi\u00e8ces coup\u00e9es subissent une plus grande \u00e9l\u00e9vation de temp\u00e9rature. L&#8217;oxycoupage g\u00e9n\u00e8re moins de fum\u00e9e que le d\u00e9coupage plasma, mais il est tout de m\u00eame conseill\u00e9 de recourir \u00e0 un syst\u00e8me d\u2019\u00e9vacuation des fum\u00e9es. Le processus de coupe produit beaucoup de projections de m\u00e9tal en fusion. Il s\u2019agira ainsi de tenir compte des risques de br\u00fblures et d&#8217;incendie lors de l&#8217;implantation sur un site de production.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\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-1446778 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1446778\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-75f6465\" data-id=\"75f6465\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Plasma et autog\u00e8ne Plasma Le d\u00e9coupage \u00e0 l&#8217;arc plasma, d\u00e9velopp\u00e9 dans les ann\u00e9es 50, a permis de couper les m\u00e9taux qui ne pouvaient l\u2019\u00eatre au chalumeau (ex\u00a0: aciers inoxydables, aluminium, cuivre et leurs alliages). Il s\u2019agit d\u2019un proc\u00e9d\u00e9 de coupage par fusion. L\u2019arc \u00e9lectrique et le gaz plasma sont comprim\u00e9s par une tuy\u00e8re en cuivre [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2818","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Plasma et autog\u00e8ne - Pl\u00fcss SC<\/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:\/\/pluss-sc.ch\/de\/plasma-et-autogene\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Plasma et autog\u00e8ne - Pl\u00fcss SC\" \/>\n<meta property=\"og:description\" content=\"Plasma et autog\u00e8ne Plasma Le d\u00e9coupage \u00e0 l&#8217;arc plasma, d\u00e9velopp\u00e9 dans les ann\u00e9es 50, a permis de couper les m\u00e9taux qui ne pouvaient l\u2019\u00eatre au chalumeau (ex\u00a0: aciers inoxydables, aluminium, cuivre et leurs alliages). 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