{"id":7485,"date":"2021-01-12T08:22:10","date_gmt":"2021-01-12T08:22:10","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7485"},"modified":"2021-01-12T08:22:10","modified_gmt":"2021-01-12T08:22:10","slug":"ceramic-filters-for-aluminum-foundry","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/ceramic-filters-for-aluminum-foundry\/","title":{"rendered":"Filtros cer\u00e1micos para fundici\u00f3n de aluminio"},"content":{"rendered":"

Los filtros de espuma cer\u00e1mica presentan las siguientes ventajas: buena estabilidad qu\u00edmica, elevada resistencia espec\u00edfica, resistencia a altas temperaturas, resistencia a los choques t\u00e9rmicos, gran superficie espec\u00edfica, buen efecto de eliminaci\u00f3n de escorias, funcionamiento sencillo, f\u00e1cil combinaci\u00f3n con otras piezas y bajo coste. Por ello, los filtros de espuma cer\u00e1mica para la filtraci\u00f3n de metal fundido se han convertido en un m\u00e9todo de purificaci\u00f3n habitual en las fundiciones de aluminio.<\/p>\n

La tecnolog\u00eda de filtraci\u00f3n de metal fundido mediante filtros de espuma cer\u00e1mica surgi\u00f3 en la d\u00e9cada de 1970 y se ha utilizado ampliamente en Estados Unidos, Canad\u00e1, Jap\u00f3n, Francia, Australia y Suiza.<\/p>\n

En los \u00faltimos a\u00f1os se han estudiado algunas nuevas tecnolog\u00edas para la purificaci\u00f3n del aluminio fundido, como el tratamiento din\u00e1mico al vac\u00edo, la purificaci\u00f3n mediante desgasificaci\u00f3n continua por ultrasonidos y los filtros de cer\u00e1mica de corind\u00f3n, entre otras, y se han obtenido buenos resultados. Sin embargo, estos m\u00e9todos t\u00e9cnicos son relativamente complejos y costosos, por lo que resulta dif\u00edcil implantarlos a gran escala en la producci\u00f3n.<\/p>\n

En cuanto a la filtraci\u00f3n mediante filtro met\u00e1lico y tela de fibra, solo se pueden eliminar las inclusiones de gran tama\u00f1o presentes en la masa fundida de la aleaci\u00f3n de aluminio, pero no las inclusiones de tama\u00f1o inferior a un micr\u00f3metro. Adem\u00e1s, el filtro met\u00e1lico contamina la aleaci\u00f3n de aluminio. El uso de filtros de espuma cer\u00e1mica en la fundici\u00f3n de aluminio permite filtrar las inclusiones finas y mejorar significativamente las propiedades mec\u00e1nicas y la calidad est\u00e9tica de las piezas fundidas.<\/p>\n

\"Filtros<\/p>\n

\u00a1El uso de los materiales resistentes a altas temperaturas adecuados influir\u00e1 positivamente en tu productividad! AdTech ofrece filtros de espuma cer\u00e1mica de al\u00famina<\/a> para fundici\u00f3n de aluminio.<\/p>\n

Los filtros de espuma cer\u00e1mica dise\u00f1ados especialmente por AdTech est\u00e1n fabricados con \u00f3xido de aluminio como materia prima b\u00e1sica. Se fabrican con porosidades que var\u00edan entre 10 y 60 poros por pulgada (PPI). Adem\u00e1s, se fabrican juegos combinados con una porosidad de 20-30 PPI, aunque tambi\u00e9n hay otras opciones disponibles. Se fabrican filtros de diferentes tama\u00f1os y a medida seg\u00fan las especificaciones del cliente.<\/p>\n

El filtro de espuma cer\u00e1mica de al\u00famina presenta una red multicapa y orificios pasantes multidimensionales, que est\u00e1n comunicados entre s\u00ed. Durante la filtraci\u00f3n, el aluminio fundido arrastra las inclusiones a lo largo de los canales sinuosos y los poros. Cuando el aluminio fundido entra en contacto con el esqueleto de espuma de la placa filtrante, es interceptado, adsorbido y depositado directamente. Cuando el metal fundido fluye por el orificio, el canal de la placa filtrante se curva, y el metal fundido que circula por el canal cambia de direcci\u00f3n; las inclusiones chocan contra el yunque de la pared del orificio y se adhieren firmemente a ella.<\/p>","protected":false},"excerpt":{"rendered":"

The ceramic foam filters have the advantages of good chemical stability, high specific strength, high-temperature resistance, thermal shock resistance, large specific surface area, good slag…<\/p>","protected":false},"author":1,"featured_media":7486,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nCeramic Filters for Aluminum Foundry -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"Ceramic filters molten metal filtration have become a conventional purification method in aluminum foundry. 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