{"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\/pt\/molten-metal-casting\/","title":{"rendered":"Fundi\u00e7\u00e3o de metal fundido"},"content":{"rendered":"<p>O metal fundido, especialmente o alum\u00ednio fundido, costuma conter subst\u00e2ncias s\u00f3lidas, que podem afetar a qualidade da pe\u00e7a fundida. Ap\u00f3s a solidifica\u00e7\u00e3o do metal fundido, essas subst\u00e2ncias s\u00f3lidas aparecem como impurezas na pe\u00e7a fundida, resultando em menor ductilidade, brilho superficial insatisfat\u00f3rio e propriedades de anodiza\u00e7\u00e3o deficientes.<\/p>\n<p>Existem v\u00e1rias fontes de impurezas; por exemplo, da camada superficial de materiais oxidados, que se rompem e penetram no metal fundido. Al\u00e9m disso, as impurezas incluem impurezas insol\u00faveis, como carbonetos, boretos e outros compostos ou part\u00edculas que se desprendem do revestimento do forno.<\/p>\n<p>O filtro de espuma cer\u00e2mica porosa \u00e9 particularmente adequado para a filtragem de metal fundido devido ao seu bom desempenho de filtragem, baixo custo e facilidade de uso. O filtro deve, em primeiro lugar, contar com medidas de prote\u00e7\u00e3o eficazes, de modo que possa ser instalado no equipamento de filtragem de maneira simples. Al\u00e9m disso, deve estar bem fixado e ser f\u00e1cil de desmontar e lavar.<\/p>\n<p><a href=\"http:\/\/www.alalloycasting.com\/pt\/ceramic-foam-filter\/\">Filtro de espuma cer\u00e2mica<\/a> \u00e9 fabricado a partir de espuma macia de poliuretano como mat\u00e9ria-prima. A estrutura b\u00e1sica apresenta uma forma tridimensional de dodecaedro regular. O mecanismo de filtragem interno dessa estrutura difere do mecanismo de filtragem superficial de outros filtros. Como as part\u00edculas de malha fina est\u00e3o fixadas \u00e0 estrutura interna para a filtragem, a resist\u00eancia ao fluxo \u00e9 baixa e a capacidade de reten\u00e7\u00e3o de part\u00edculas \u00e9 alta, sendo essa uma estrutura ideal para um filtro.<\/p>\n<p>AdTech <a href=\"http:\/\/www.alalloycasting.com\/pt\/plate-filter-box\/\">caixa de filtro de placas<\/a> e o filtro de espuma cer\u00e2mica s\u00e3o utilizados em conjunto. Durante o uso, o filtro \u00e9 instalado em uma caixa de filtro. A caixa de filtro possui um dispositivo de fixa\u00e7\u00e3o da placa filtrante; a placa filtrante tem formato aberto e sua lateral \u00e9 inclinada, sendo que o \u00e2ngulo de inclina\u00e7\u00e3o da placa filtrante \u00e9 adequado \u00e0 lateral do conjunto do filtro. As bordas de algod\u00e3o expandido ao redor do filtro garantem o encaixe no lado correspondente da caixa de filtragem, de modo que \u00e9 improv\u00e1vel que o metal se infiltre entre o filtro e a caixa de filtragem, reduzindo assim o g\u00e1s gerado pelo dispositivo de veda\u00e7\u00e3o durante o processo de filtragem.<\/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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