{"id":4910,"date":"2020-09-18T08:15:03","date_gmt":"2020-09-18T08:15:03","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=4910"},"modified":"2020-09-18T08:15:03","modified_gmt":"2020-09-18T08:15:03","slug":"filtering-technology","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/filtering-technology\/","title":{"rendered":"Tecnolog\u00eda de filtrado"},"content":{"rendered":"<p>La tecnolog\u00eda de filtrado con filtros de espuma cer\u00e1mica permite purificar eficazmente las aleaciones l\u00edquidas para fundici\u00f3n. En la producci\u00f3n de piezas fundidas, la tasa de rechazo debida a defectos de fundici\u00f3n \u2014como las inclusiones no met\u00e1licas\u2014 suele situarse entre el 50% y el 60% del n\u00famero total de piezas rechazadas. Los defectos por inclusiones no solo reducen gravemente las propiedades mec\u00e1nicas de la pieza fundida, sino que tambi\u00e9n tienen un efecto perjudicial sobre su comportamiento en el procesamiento y su aspecto. La purificaci\u00f3n de las aleaciones l\u00edquidas de fundici\u00f3n y la reducci\u00f3n o eliminaci\u00f3n de diversas inclusiones no met\u00e1licas es, sin duda, una medida t\u00e9cnica muy importante para obtener piezas fundidas de alta calidad.<\/p>\n<p>Se trata de una tecnolog\u00eda de filtrado que lleva casi dos d\u00e9cadas aplic\u00e1ndose mediante la instalaci\u00f3n de un dispositivo de filtrado en el sistema de colada. Al principio, se utilizaba arena oleosa o arena arcillosa para fabricar n\u00facleos de arena con orificios, generalmente redondos o cuadrados, con un grosor de entre 10 y 20 mm, que se empleaban tras su secado. Normalmente se colocan en el extremo superior o inferior del bebedero y en el canal transversal para filtrar los residuos, pero los filtros de arena oleosa o arcillosa presentan una escasa resistencia a la erosi\u00f3n del metal fundido a altas temperaturas, por lo que su uso es limitado. Posteriormente, se han promovido y aplicado ampliamente las rejillas filtrantes de fibra y metal. Son muy c\u00f3modas de usar, pero su resistencia a las altas temperaturas y su eficacia de filtrado a\u00fan no son ideales, por lo que su uso generalizado tambi\u00e9n se ve limitado.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4912\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/09\/Filtering-Technology-1.jpg\" alt=\"Tecnolog\u00eda de filtrado\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Filtering-Technology-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Filtering-Technology-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Con el desarrollo de la ciencia y la tecnolog\u00eda, as\u00ed como con la mejora de la pureza de las aleaciones met\u00e1licas de fundici\u00f3n y el aumento de los requisitos de rendimiento de la fundici\u00f3n, en los \u00faltimos 10 a\u00f1os se ha empezado a utilizar un nuevo tipo de filtro cer\u00e1mico de espuma en la producci\u00f3n de fundici\u00f3n, lo que ha aportado calidad a la filtraci\u00f3n del metal fundido. La alta calidad <a href=\"http:\/\/www.alalloycasting.com\/es\/ceramic-foam-filter-pal\/\">filtro de espuma cer\u00e1mica<\/a> desempe\u00f1a un papel muy importante en la mejora de la calidad de las piezas fundidas. Es capaz de filtrar eficazmente las inclusiones s\u00f3lidas no met\u00e1licas primarias y secundarias presentes en el metal fundido, lo que permite reducir los poros de escoria, mejorar las propiedades mec\u00e1nicas de las piezas fundidas, reducir el margen de mecanizado, mejorar el acabado superficial de las piezas fundidas y prolongar la vida \u00fatil de las herramientas de mecanizado.<\/p>\n<p>El filtro de espuma cer\u00e1mica utiliza espuma de poliuretano como soporte. Tras la hidr\u00f3lisis, se sumerge en un recubrimiento compuesto por polvo cer\u00e1mico, aglutinante, aditivo de sinterizaci\u00f3n, agente de suspensi\u00f3n, etc., y a continuaci\u00f3n se escurre el exceso de recubrimiento para que este quede distribuido de manera uniforme. Se aplica al esqueleto del soporte para formar un cuerpo verde, y posteriormente el cuerpo verde se seca y se cuece a alta temperatura.<\/p>","protected":false},"excerpt":{"rendered":"<p>Filtering technology of ceramic foam filters can effectively achieve the purpose of purifying liquid casting alloys. In casting production, the casting rejection rate due to&hellip;<\/p>","protected":false},"author":1,"featured_media":4911,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[4705],"class_list":["post-4910","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-filtering-technology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Filtering Technology of Ceramic Foam Filters in Aluminum Casting<\/title>\n<meta name=\"description\" content=\"Filtering technology of ceramic foam filters can effectively achieve the purpose of purifying metal. It is a very important method.\" \/>\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\/filtering-technology\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Filtering Technology of Ceramic Foam Filters in Aluminum Casting\" \/>\n<meta property=\"og:description\" content=\"Filtering technology of ceramic foam filters can effectively achieve the purpose of purifying metal. It is a very important method.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alalloycasting.com\/es\/filtering-technology\/\" \/>\n<meta property=\"og:site_name\" content=\"alalloycasting\" \/>\n<meta property=\"article:published_time\" content=\"2020-09-18T08:15:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Filtering-Technology.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"AdTech\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"AdTech\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/filtering-technology\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/filtering-technology\\\/\"},\"author\":{\"name\":\"AdTech\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#\\\/schema\\\/person\\\/431d9c832111002d5e0bf6dc57a33c20\"},\"headline\":\"Filtering Technology\",\"datePublished\":\"2020-09-18T08:15:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/filtering-technology\\\/\"},\"wordCount\":405,\"publisher\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/filtering-technology\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.alalloycasting.com\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/Filtering-Technology.jpg\",\"keywords\":[\"Filtering Technology\"],\"articleSection\":[\"Blog\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/filtering-technology\\\/\",\"url\":\"https:\\\/\\\/www.alalloycasting.com\\\/filtering-technology\\\/\",\"name\":\"Filtering Technology of Ceramic Foam Filters in Aluminum Casting\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/filtering-technology\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/filtering-technology\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.alalloycasting.com\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/Filtering-Technology.jpg\",\"datePublished\":\"2020-09-18T08:15:03+00:00\",\"description\":\"Filtering technology of ceramic foam filters can effectively achieve the purpose of purifying metal. 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