{"id":8999,"date":"2021-05-28T07:15:52","date_gmt":"2021-05-28T07:15:52","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8999"},"modified":"2021-05-28T07:15:52","modified_gmt":"2021-05-28T07:15:52","slug":"alumina-filters","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/alumina-filters\/","title":{"rendered":"Filtros de alumina"},"content":{"rendered":"

Os filtros de espuma cer\u00e2mica de alumina especialmente projetados pela AdTech s\u00e3o fabricados a partir da mat\u00e9ria-prima b\u00e1sica \u00f3xido de alum\u00ednio. S\u00e3o produzidos com porosidades que variam de 10 a 60 poros por polegada (PPI). Al\u00e9m disso, s\u00e3o oferecidos conjuntos combinados com porosidade de 20 a 30 PPI, sendo poss\u00edveis outras op\u00e7\u00f5es. S\u00e3o fabricados filtros de diferentes tamanhos e sob medida, de acordo com as especifica\u00e7\u00f5es.<\/p>\n

Caracter\u00edsticas:
\n\u2013 Uma estrutura de poros homog\u00eanea
\n\u2013 Alta resist\u00eancia superficial
\n\u2013 Resistente a temperaturas de at\u00e9 1.100 \u00b0C
\n\u2013 Excelente resist\u00eancia aos produtos qu\u00edmicos utilizados em fundi\u00e7\u00f5es<\/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

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

O efeito de filtragem dos filtros de alumina da AdTech depende do tamanho dos poros da placa filtrante, 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 passa pela placa filtrante.<\/p>\n

Os filtros de espuma cer\u00e2mica de alumina 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. Mas, na pr\u00e1tica, os quatro tipos \u2014 20PPI, 30PPI e 40PPI \u2014 j\u00e1 atendem \u00e0s necessidades dos clientes.<\/p>","protected":false},"excerpt":{"rendered":"

AdTech specially designed Alumina Ceramic Foam Filters are made of the basic raw material Aluminium Oxide. They are manufactured with porosities varying from 10 to…<\/p>","protected":false},"author":1,"featured_media":9010,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[433,104,105,1440,427,1439,426,219,425,1441,165,419],"class_list":["post-8999","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-alumina-ceramic-foam-filter","tag-ceramic-filter","tag-ceramic-filter-for-foundry","tag-ceramic-filter-malaysia","tag-ceramic-foam-filter-manufacturers","tag-ceramic-foam-filter-manufacturers-in-india","tag-ceramic-foam-filter-manufacturing-process","tag-ceramic-foam-filter-suppliers","tag-ceramic-foam-filters-for-casting","tag-foam-ceramic-filter","tag-foam-filter-manufacturers","tag-foam-filter-material"],"yoast_head":"\nAlumina Filters Sizes 20PPI, 30PPI, 40PPI, 50PPI, and 60PPI<\/title>\n<meta name=\"description\" content=\"AdTech specially designed Alumina Ceramic Foam Filters are made of the basic raw material Aluminium Oxide. 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