{"id":7637,"date":"2020-11-17T03:49:18","date_gmt":"2020-11-17T03:49:18","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=7637"},"modified":"2020-11-17T03:49:18","modified_gmt":"2020-11-17T03:49:18","slug":"30ppi-40ppi-casting-filter","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/30ppi-40ppi-casting-filter\/","title":{"rendered":"Filtro de selecci\u00f3n de 30 ppi y 40 ppi"},"content":{"rendered":"

Filtro de selecci\u00f3n de 30 ppi y 40 ppi<\/strong> Por lo general, se utiliza espuma de poliuretano como soporte, que se sumerge en una pasta cer\u00e1mica compuesta por polvos finos \u2014como \u00e1ridos refractarios, agentes de sinterizaci\u00f3n, aglutinantes y agua\u2014 y, a continuaci\u00f3n, se escurre el exceso de pasta. El material cer\u00e1mico que rodea la fibra de espuma se seca, se cuece y se sinteriza a alta temperatura hasta obtener, finalmente, un producto cer\u00e1mico espumado.
\nDebido a la diferente temperatura de colada de la aleaci\u00f3n de fundici\u00f3n, se debe seleccionar para la fundici\u00f3n un filtro cer\u00e1mico de espuma fabricado con material refractario.<\/p>\n

Para resolver este problema, se inserta en el sistema de colada un filtro sencillo, fabricado con malla met\u00e1lica, chapa de acero perforada, etc., con el fin de eliminar las inclusiones desde el principio.
\nA la malla filtrante interna de estructuras bidimensionales, como las fibras de silicato en forma de pino y las fibras de nitruro de boro.
\nHoy en d\u00eda, los filtros de espuma cer\u00e1mica utilizan el tama\u00f1o de los poros para interceptar mec\u00e1nicamente las part\u00edculas grandes de \u00f3xidos mixtos, y recurren a la torta de filtraci\u00f3n para filtrar las part\u00edculas peque\u00f1as de \u00f3xidos mixtos.
\nAdem\u00e1s, gracias a sus capacidades de adsorci\u00f3n y rectificaci\u00f3n, la l\u00ednea de producci\u00f3n que utiliza filtros cer\u00e1micos de espuma ha mejorado considerablemente el rendimiento de las piezas fundidas.<\/p>\n

Dimensiones del filtro de espuma cer\u00e1mica<\/strong>
\n660 x 660 x 50 (26\u2033)
\n584 x 584 x 50 (23\u2033)
\n508 x 508 x 50 (20\u2033)
\n432 x 432 x 50 (17\u2033)
\n381 x 381 x 50 (15\u2033)
\n305 x 305 x 50 (12\u2033)
\n228 x 228 x 50 (9\u2033)
\n178 x 178 x 50 (7\u2033)<\/p>\n

Filtro de espuma cer\u00e1mica. Tama\u00f1o de los poros (PPI):<\/strong> 10\/20\/30\/40\/50\/60<\/p>\n

\"Filtro<\/p>\n

Hay un revestimiento de silicato de aluminio de 8 mm alrededor de la placa filtrante de cer\u00e1mica para sellar la zona de contacto entre la placa filtrante y la caja del filtro, con el fin de garantizar que no se produzca ninguna fuga de aluminio l\u00edquido.<\/p>\n

En la fundici\u00f3n de aluminio convencional se suelen utilizar placas filtrantes cer\u00e1micas de entre 10 y 40 ppi.
\nEn el sector de la aviaci\u00f3n y en los materiales de aluminio de alta calidad se suelen utilizar placas filtrantes cer\u00e1micas de entre 30 y 60 ppi.
\nEl filtro para fundici\u00f3n de 30 ppi y 40 ppi es el filtro de espuma cer\u00e1mica m\u00e1s utilizado en la industria de la fundici\u00f3n de aluminio.<\/strong><\/p>\n

Los filtros cer\u00e1micos de espuma deber\u00edan ser bien conocidos por todos los ingenieros del sector de la fundici\u00f3n. Su funci\u00f3n principal es eliminar las impurezas oxidadas y otras inclusiones no met\u00e1licas del metal fundido mediante la retenci\u00f3n y la adsorci\u00f3n, lo que puede mejorar significativamente la calidad de las piezas fundidas y reducir la tasa de desechos de fundici\u00f3n.<\/p>\n

Filtro cer\u00e1mico de espuma de al\u00famina<\/strong><\/a> Puede eliminar eficazmente diversas inclusiones presentes en el aluminio fundido con una precisi\u00f3n del orden de los micr\u00f3metros, de modo que el aluminio fundido adquiera un flujo laminar uniforme, lo que facilita el punzonado.
\nPresenta una buena resistencia mec\u00e1nica y estabilidad qu\u00edmica, as\u00ed como una excelente resistencia a la erosi\u00f3n h\u00eddrica del aluminio.
\nUn control riguroso del tama\u00f1o de los poros y de la tasa de poros pasantes permite obtener un efecto de filtrado estable; alrededor de la placa filtrante de cer\u00e1mica espumada hay un revestimiento de fibra cer\u00e1mica de sellado, que ayuda a sellar el filtro en la caja de filtrado y garantiza que no se produzca ninguna fuga de l\u00edquido met\u00e1lico.<\/p>","protected":false},"excerpt":{"rendered":"

30ppi 40ppi Casting Filter generally uses polyurethane foam as a carrier, immersed in a ceramic slurry made of fine powders such as refractory aggregate sintering aids, binders, and water, and then squeezes out the excess slurry. The ceramic material around the foam fiber is dried…<\/p>","protected":false},"author":1,"featured_media":7638,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"\n30ppi 40ppi Casting Filter | Adtech China - sales@adtechamm.com<\/title>\n<meta name=\"description\" content=\"30ppi 40ppi Casting Filter generally uses polyurethane foam as a carrier, immersed in a ceramic slurry made of fine powders such as refractory...\" \/>\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.adtechamm.com\/es\/30ppi-40ppi-casting-filter\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"30ppi 40ppi Casting Filter | Adtech China - sales@adtechamm.com\" \/>\n<meta property=\"og:description\" content=\"30ppi 40ppi Casting Filter generally uses polyurethane foam as a carrier, immersed in a ceramic slurry made of fine powders such as refractory...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.adtechamm.com\/es\/30ppi-40ppi-casting-filter\/\" \/>\n<meta property=\"og:site_name\" content=\"Adtech China\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/avril.allen.3994\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/profile.php?id=100058838456679\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-17T03:49:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2020\/11\/30ppi-40ppi-Casting-Filter.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\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:creator\" content=\"@AdTech_China\" \/>\n<meta name=\"twitter:site\" content=\"@AdTech_China\" \/>\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\":\"WebPage\",\"@id\":\"https:\/\/www.adtechamm.com\/30ppi-40ppi-casting-filter\/\",\"url\":\"https:\/\/www.adtechamm.com\/30ppi-40ppi-casting-filter\/\",\"name\":\"30ppi 40ppi Casting Filter | Adtech China - 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