{"id":8299,"date":"2021-03-31T06:31:02","date_gmt":"2021-03-31T06:31:02","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8299"},"modified":"2021-03-31T06:31:02","modified_gmt":"2021-03-31T06:31:02","slug":"ceramic-filters-for-metal-casting","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/ceramic-filters-for-metal-casting\/","title":{"rendered":"Filtros cer\u00e1micos para la fundici\u00f3n de metales"},"content":{"rendered":"<p>Los filtros cer\u00e1micos para la fundici\u00f3n de metales pueden eliminar eficazmente las impurezas de gran tama\u00f1o presentes en el aluminio fundido y absorber las part\u00edculas finas de impurezas a nivel microm\u00e9trico, mejorando as\u00ed la calidad de la superficie, el rendimiento del producto y la microestructura, adem\u00e1s de aumentar la producci\u00f3n. Los filtros cer\u00e1micos para la fundici\u00f3n de metales se utilizan ampliamente en la producci\u00f3n de perfiles de aluminio, papel de aluminio y aleaciones de aluminio.<\/p>\n<p><strong>Proceso de fabricaci\u00f3n de filtros de espuma cer\u00e1mica<\/strong><\/p>\n<p>Los filtros de espuma cer\u00e1mica para la fundici\u00f3n de metales adoptan una estructura de red tridimensional y utilizan una esponja de espuma org\u00e1nica, conectada a trav\u00e9s de los poros, como soporte para sumergirla en una pasta cer\u00e1mica especial con propiedades tixotr\u00f3picas; adem\u00e1s, se emplea un proceso especial de extrusi\u00f3n con rodillos para distribuir uniformemente la pasta cer\u00e1mica sobre la superficie. A continuaci\u00f3n, se seca y se cura, y finalmente se cuece a alta temperatura.<\/p>\n<p>La porosidad es el porcentaje del volumen total de las cavidades en el <a href=\"http:\/\/www.alalloycasting.com\/es\/foam-ceramic-filter-for-casting\/\">filtro cer\u00e1mico de espuma<\/a> producto en relaci\u00f3n con el volumen total del filtro. La porosidad determina la capacidad de filtraci\u00f3n del filtro de espuma cer\u00e1mica por unidad de volumen. Cuanto mayor sea la porosidad, mayor ser\u00e1 el caudal de filtraci\u00f3n del filtro y mayor ser\u00e1 su capacidad de filtraci\u00f3n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8301\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/03\/Alumina-Ceramic-Filter-Plate.jpg\" alt=\"\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/03\/Alumina-Ceramic-Filter-Plate.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/03\/Alumina-Ceramic-Filter-Plate-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>En la actualidad, existen dos m\u00e9todos principales para calcular el volumen de los orificios de los filtros cer\u00e1micos:<\/p>\n<p>Un m\u00e9todo consiste en calcular el volumen de los orificios del filtro cer\u00e1mico de espuma seg\u00fan la ley de Arqu\u00edmedes; es decir, utilizar un tubo de rebose para verter agua en un vaso de precipitados hasta que el agua salga por el tubo de rebose y, a continuaci\u00f3n, comprobar que el agua ya no sale. Introduzca todas las muestras en el agua con cuidado; a continuaci\u00f3n, el agua saldr\u00e1 por el tubo de rebose y se medir\u00e1 la cantidad de agua en el recipiente. Reste el volumen del rebose del volumen f\u00edsico de la placa filtrante, que es el volumen total de los pocillos de la placa filtrante.<\/p>\n<p>Otro m\u00e9todo consiste en determinar la densidad real y la densidad aparente de la muestra que se va a analizar y, a continuaci\u00f3n, calcular la porosidad de la muestra seg\u00fan la siguiente f\u00f3rmula.<\/p>\n<p>Ambos m\u00e9todos tienen sus ventajas y sus inconvenientes. El m\u00e9todo de funcionamiento es sencillo y pr\u00e1ctico, y la velocidad de detecci\u00f3n es elevada, pero su inconveniente fundamental radica en las caracter\u00edsticas de absorci\u00f3n de agua del propio material de la placa filtrante, por lo que la cantidad de agua descargada es inferior a la cantidad real de agua. Esto da lugar a datos de medici\u00f3n demasiado bajos.<\/p>\n<p>Aunque el proceso de ensayo del segundo m\u00e9todo es m\u00e1s complicado, durante el mismo se descarta la influencia de la tasa de absorci\u00f3n de agua del material de la placa filtrante, por lo que los datos obtenidos son relativamente precisos.<\/p>\n<p>En esta norma, se establece que el \u00edndice de porosidad es superior a 84%.<\/p>","protected":false},"excerpt":{"rendered":"<p>The ceramic filters for metal casting can effectively remove the large impurities in the molten aluminum and absorb the micron-level fine particles of impurities, thereby&hellip;<\/p>","protected":false},"author":1,"featured_media":8300,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-8299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-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>Ceramic Filters for Metal Casting -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The ceramic foam filters for metal casting adopt a three-dimensional network structure, and use the organic foam sponge...\" \/>\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\/es\/ceramic-filters-for-metal-casting\/\" \/>\n<meta property=\"og:locale\" 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