{"id":9970,"date":"2021-08-19T06:26:27","date_gmt":"2021-08-19T06:26:27","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9970"},"modified":"2021-08-19T06:26:27","modified_gmt":"2021-08-19T06:26:27","slug":"molten-metal-casting","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/molten-metal-casting\/","title":{"rendered":"Coul\u00e9e de m\u00e9tal en fusion"},"content":{"rendered":"<p>Le m\u00e9tal en fusion, en particulier l'aluminium en fusion, contient souvent des substances solides susceptibles d'alt\u00e9rer la qualit\u00e9 de la pi\u00e8ce moul\u00e9e. Une fois le m\u00e9tal en fusion solidifi\u00e9, ces mati\u00e8res solides apparaissent sous forme d'impuret\u00e9s dans la pi\u00e8ce moul\u00e9e, ce qui entra\u00eene une diminution de la ductilit\u00e9, un brillant de surface insatisfaisant et de mauvaises propri\u00e9t\u00e9s d'anodisation.<\/p>\n<p>Il existe diverses sources d'impuret\u00e9s, provenant par exemple de la couche superficielle des mat\u00e9riaux oxyd\u00e9s, qui se brisent et p\u00e9n\u00e8trent dans le m\u00e9tal en fusion. Par ailleurs, parmi ces impuret\u00e9s figurent des impuret\u00e9s insolubles, telles que les carbures, les borures et d'autres compos\u00e9s ou particules provenant du rev\u00eatement du four.<\/p>\n<p>Le filtre en mousse c\u00e9ramique poreuse est particuli\u00e8rement adapt\u00e9 \u00e0 la filtration des m\u00e9taux en fusion en raison de son bon rendement de filtration, de son faible co\u00fbt et de sa facilit\u00e9 d'utilisation. Le filtre doit tout d'abord \u00eatre dot\u00e9 de dispositifs de protection efficaces, afin de pouvoir \u00eatre install\u00e9 facilement sur l'\u00e9quipement de filtration. Il doit \u00e9galement \u00eatre solidement fix\u00e9, tout en restant facile \u00e0 d\u00e9monter et \u00e0 nettoyer.<\/p>\n<p><a href=\"http:\/\/www.alalloycasting.com\/fr\/ceramic-foam-filter\/\">Filtre en mousse c\u00e9ramique<\/a> est fabriqu\u00e9 \u00e0 partir de mousse de polyur\u00e9thane souple comme mati\u00e8re premi\u00e8re. Sa structure de base pr\u00e9sente une configuration tridimensionnelle en dod\u00e9ca\u00e8dre r\u00e9gulier. Le m\u00e9canisme de filtration interne de cette structure diff\u00e8re du m\u00e9canisme de filtration en surface des autres filtres. Les particules \u00e0 mailles fines \u00e9tant fix\u00e9es \u00e0 l'ossature interne pour la filtration, la r\u00e9sistance \u00e0 l'\u00e9coulement est faible et la capacit\u00e9 de r\u00e9tention des particules est \u00e9lev\u00e9e, ce qui en fait une structure id\u00e9ale pour un filtre.<\/p>\n<p>AdTech <a href=\"http:\/\/www.alalloycasting.com\/fr\/plate-filter-box\/\">bo\u00eete \u00e0 filtres \u00e0 plaques<\/a> et un filtre en mousse c\u00e9ramique sont utilis\u00e9s conjointement. Lors de son utilisation, le filtre est install\u00e9 dans un bo\u00eetier de filtration. Ce bo\u00eetier est \u00e9quip\u00e9 d\u2019un dispositif de fixation de la plaque filtrante ; celle-ci pr\u00e9sente une forme ouverte et ses bords sont inclin\u00e9s, l\u2019angle d\u2019inclinaison \u00e9tant adapt\u00e9 au profil lat\u00e9ral de l\u2019ensemble filtrant. Les bords en coton expans\u00e9 autour du filtre assurent l'\u00e9tanch\u00e9it\u00e9 avec le c\u00f4t\u00e9 correspondant du bo\u00eetier de filtration, ce qui emp\u00eache le m\u00e9tal de s'infiltrer entre le filtre et le bo\u00eetier, r\u00e9duisant ainsi les gaz g\u00e9n\u00e9r\u00e9s par le dispositif d'\u00e9tanch\u00e9it\u00e9 pendant le processus de filtration.<\/p>","protected":false},"excerpt":{"rendered":"<p>Molten metal, especially molten aluminum, often contains solid substances, which can affect the quality of the casting. After the molten metal has solidified, this solid&hellip;<\/p>","protected":false},"author":1,"featured_media":9971,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[487,12381,12383,12382],"class_list":["post-9970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cff-filter","tag-molten-metal-casting","tag-plate-filter-box","tag-porous-ceramic-foam-filter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Molten Metal Casting, Porous Ceramic Foam Filter<\/title>\n<meta name=\"description\" content=\"Molten metal often contains solid substances, which can affect the quality of the casting. 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