{"id":10710,"date":"2021-10-22T02:25:23","date_gmt":"2021-10-22T02:25:23","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10710"},"modified":"2021-10-22T02:25:23","modified_gmt":"2021-10-22T02:25:23","slug":"filter-size","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/filter-size\/","title":{"rendered":"Tamanho do filtro para filtragem de alum\u00ednio fundido"},"content":{"rendered":"

O efeito de filtragem da placa filtrante AdTech depende do tamanho dos poros da placa, do tamanho e do tipo das inclus\u00f5es (densidade, caracter\u00edsticas de umecta\u00e7\u00e3o) e da velocidade com que o alum\u00ednio l\u00edquido atravessa a placa filtrante.<\/p>\n

Os filtros de espuma cer\u00e2mica s\u00e3o basicamente classificados de acordo com o tamanho dos poros: 20PPI, 30PPI, 40PPI, 50PPI e 60PPI. Quanto maior o n\u00famero, menor \u00e9 a abertura. Por\u00e9m, na pr\u00e1tica, os quatro tipos \u2014 20PPI, 30PPI e 40PPI \u2014 j\u00e1 atendem \u00e0s necessidades dos clientes.<\/p>\n

Com o avan\u00e7o da ci\u00eancia e da tecnologia, o aprimoramento da pureza das ligas met\u00e1licas de fundi\u00e7\u00e3o e o aumento dos requisitos de desempenho na fundi\u00e7\u00e3o, um novo tipo de filtro de espuma cer\u00e2mica passou a ser utilizado na produ\u00e7\u00e3o de pe\u00e7as fundidas, o que trouxe grandes avan\u00e7os para a filtragem do metal fundido.<\/p>\n

\"Remo\u00e7\u00e3o<\/p>\n

A alta qualidade filtro de espuma cer\u00e2mica para fundi\u00e7\u00e3o<\/a> desempenha um papel muito importante na melhoria da qualidade das pe\u00e7as fundidas. \u00c9 capaz de filtrar com efic\u00e1cia as inclus\u00f5es n\u00e3o met\u00e1licas presentes no metal fundido, reduzindo assim os poros de esc\u00f3ria, melhorando as propriedades mec\u00e2nicas das pe\u00e7as fundidas, melhorando o acabamento superficial das pe\u00e7as fundidas e prolongando sua vida \u00fatil.<\/p>\n

O filtro cer\u00e2mico de espuma AdTech utiliza espuma de poliuretano como suporte. Ap\u00f3s a hidr\u00f3lise, ele \u00e9 imerso em um revestimento composto por p\u00f3 cer\u00e2mico, aglutinante, auxiliar de sinteriza\u00e7\u00e3o, agente de suspens\u00e3o etc., e, em seguida, o excesso de revestimento \u00e9 removido para uniformizar o revestimento cer\u00e2mico. O revestimento \u00e9 aplicado sobre a estrutura do suporte para formar um corpo verde, que \u00e9 ent\u00e3o seco e queimado em alta temperatura.<\/p>\n

Oferecemos filtros de espuma cer\u00e2mica em todos os tamanhos comuns: 7\u2033, 9\u2033, 12\u2033, 15\u2033, 17\u2033, 20\u2033 e 23\u2033. Oferecemos toda a gama de porosidades, de PPI 10 at\u00e9 PPI 60 (PPI = poros por polegada). Tamb\u00e9m \u00e9 poss\u00edvel fabricar filtros sob medida.<\/p>\n

O filtro Foundry de 30 ppi e 40 ppi \u00e9 o filtro de espuma cer\u00e2mica mais utilizado na ind\u00fastria de fundi\u00e7\u00e3o de alum\u00ednio. A fundi\u00e7\u00e3o comum de alum\u00ednio geralmente utiliza placas filtrantes cer\u00e2micas de 10 a 40 ppi. A avia\u00e7\u00e3o e os materiais de alum\u00ednio de alta qualidade geralmente utilizam placas filtrantes cer\u00e2micas de 30 a 60 ppi.<\/p>","protected":false},"excerpt":{"rendered":"

The filtering effect of the AdTech filter plate depends on the pore size of the filter plate, the size and type of inclusions (density, wetting…<\/p>","protected":false},"author":1,"featured_media":10791,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10710","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nFilter Size for Molten Aluminum Filtration, 30 PPI Ceramic Foam Filter<\/title>\n<meta name=\"description\" content=\"The filtering effect of the AdTech filter plate depends on the pore size of the filter plate, the size and type of inclusions...\" \/>\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.alalloycasting.com\/pt\/filter-size\/\" \/>\n<meta property=\"og:locale\" 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