{"id":11312,"date":"2021-11-20T07:41:55","date_gmt":"2021-11-20T07:41:55","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11312"},"modified":"2021-11-20T07:41:55","modified_gmt":"2021-11-20T07:41:55","slug":"filtre-de-fonderie","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/filtre-de-fonderie\/","title":{"rendered":"filtro de fundici\u00f3n"},"content":{"rendered":"<p>Para conseguir un grado \u00f3ptimo de llenado del molde, es importante calcular el tama\u00f1o adecuado del filtro para cada aplicaci\u00f3n espec\u00edfica de colada. El filtro de fundici\u00f3n debe ser lo suficientemente grande como para no retrasar ni obstaculizar el flujo de metal fundido, ni obstruirse con inclusiones retenidas antes de que finalice la colada. Para acercarse lo m\u00e1s posible al caudal original sin filtrar, el filtro de fundici\u00f3n debe ser varias veces mayor que la zona de estrangulamiento del sistema de entrada. Se debe prestar especial atenci\u00f3n a los siguientes par\u00e1metros de fundici\u00f3n.<\/p>\n<p>Factores que influyen en el caudal: n\u00famero y tama\u00f1o de los poros del filtro de fundici\u00f3n (10, 15, 25) y zona de estrangulamiento del sistema de activaci\u00f3n.<\/p>\n<p>Factores que pueden provocar obstrucciones: n\u00famero de tama\u00f1os de poro del filtro de fundici\u00f3n (10, 15, 25) y calidad de la masa fundida, incluyendo: material de fusi\u00f3n, composici\u00f3n qu\u00edmica de la aleaci\u00f3n, tratamiento de la masa fundida y cantidad de metal que se va a filtrar.<\/p>\n<p>Para conseguir un caudal adecuado, el filtro debe dimensionarse de tal forma que su superficie frontal sea varias veces superior a la superficie total del estrechamiento en el sistema de la puerta. A medida que aumenta la relaci\u00f3n entre la superficie del filtro y la superficie de estrangulamiento, la tasa de llenado del molde aumenta de forma exponencial. Con relaciones entre la superficie del filtro y la superficie de estrangulamiento inferiores a cuatro, el filtro aumenta considerablemente el tiempo de colada en comparaci\u00f3n con una colada sin filtrar.<\/p>\n<p>Cuando la relaci\u00f3n entre la zona de filtrado y la zona de estrangulamiento es superior a ocho, el tiempo de colada pr\u00e1cticamente no se ve afectado por el filtro. Si la relaci\u00f3n est\u00e1 entre cuatro y ocho, puede observarse un ligero aumento del tiempo de colada.<\/p>\n<p>Por lo general, se recomienda utilizar una relaci\u00f3n entre la superficie del filtro y la superficie de estrangulamiento de al menos cuatro, pero en el caso de las piezas moldeadas de secci\u00f3n delgada, dicha relaci\u00f3n debe ser mayor. Los tama\u00f1os de poro m\u00e1s finos (#15 y 25) aumentan ligeramente la restricci\u00f3n del caudal del filtro y pueden requerir un ligero aumento de la superficie del filtro. Multiplicando el \u00e1rea de estrangulamiento por la relaci\u00f3n filtro\/\u00e1rea de estrangulamiento deseada, se obtiene el tama\u00f1o de filtro necesario.<\/p>\n<p>Es importante utilizar el \u00e1rea efectiva del filtro para el c\u00e1lculo. El \u00e1rea efectiva del filtro se define como la zona de entrada del filtro que no queda cubierta por la impresi\u00f3n en el molde. Los factores de bloqueo deben utilizarse a modo de orientaci\u00f3n. Muchas fundiciones que siguen buenas pr\u00e1cticas en el tratamiento de metales son capaces de producir mucho m\u00e1s aluminio por pulgada cuadrada de lo que se indica en la tabla.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pour obtenir un taux de remplissage optimal du moule, il est important de calculer la taille de filtre appropri\u00e9e pour chaque application de coul\u00e9e sp\u00e9cifique.&hellip;<\/p>","protected":false},"author":1,"featured_media":11313,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12828,12829],"class_list":["post-11312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-filtre-de-fonderie","tag-filtre-en-ceramique-filtration-en-aluminium-fondu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>filtre de 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