{"id":2453,"date":"2020-06-28T09:56:28","date_gmt":"2020-06-28T09:56:28","guid":{"rendered":"http:\/\/alalloycasting.com\/?p=2453"},"modified":"2020-09-28T06:15:54","modified_gmt":"2020-09-28T06:15:54","slug":"filtration-in-foundries","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/filtration-in-foundries\/","title":{"rendered":"Filtraci\u00f3n en fundiciones"},"content":{"rendered":"

La filtraci\u00f3n de aleaciones de aluminio puede dividirse en varias fases, dependiendo del tipo de tecnolog\u00eda utilizada en la producci\u00f3n de piezas fundidas o del m\u00e9todo de preparaci\u00f3n del metal l\u00edquido. La fabricaci\u00f3n de aleaciones de aluminio cumple los requisitos de mayor pureza del metal fundido, con el fin de aumentar la calidad de los productos intermedios fabricados para la producci\u00f3n final (l\u00e1minas, bloques, lingotes, barras, perfiles, etc.). De este modo, la filtraci\u00f3n en las fundiciones contribuye a reducir la tasa de rechazo en la fabricaci\u00f3n del producto final y a mejorar su calidad.<\/p>\n

Filtraci\u00f3n de aleaciones de aluminio<\/h2>\n

La fundici\u00f3n de metales se lleva a cabo en estas instalaciones mediante campa\u00f1as continuas o discontinuas de entre unas pocas toneladas y varios cientos de toneladas, por lo que se utilizan filtros de gran superficie para la filtraci\u00f3n. Estos se colocan en el sistema de distribuci\u00f3n del metal l\u00edquido. Recomendamos colocar los filtros alojados en las cajas de filtraci\u00f3n cer\u00e1micas, utilizando una disposici\u00f3n horizontal o vertical de los filtros.<\/p>\n

\"Filtraci\u00f3n<\/p>\n

Filtro de aluminio fundido<\/h2>\n

El filtros de espuma cer\u00e1mica<\/a><\/strong> Adaptados para soportar cargas t\u00e9rmicas prolongadas, pueden utilizarse para la filtraci\u00f3n. Los filtros de aluminio fundido suelen emplearse en las dimensiones normalizadas que se indican en pulgadas, con una porosidad de entre 10 y 60 PPI (poros por pulgada lineal). El tama\u00f1o del filtro de espuma cer\u00e1mica depende de su porosidad y se selecciona en funci\u00f3n de la capacidad de filtraci\u00f3n, el tiempo de colada y la soluci\u00f3n de dise\u00f1o de la caja de filtraci\u00f3n<\/a><\/strong>. La elecci\u00f3n de la porosidad del filtro para aluminio fundido viene determinada por la aleaci\u00f3n concreta, la temperatura de fundici\u00f3n, la contaminaci\u00f3n del metal y la calidad de producto final requerida.<\/p>\n

Antes de su puesta en marcha, el filtro debe precalentarse adecuadamente para garantizar su correcto funcionamiento. Una vez finalizada la campa\u00f1a, el filtro puede reutilizarse si la caja de filtraci\u00f3n est\u00e1 equipada con un sistema de calefacci\u00f3n permanente. Si el metal se deposita en el filtro de espuma cer\u00e1mica<\/a>, hay que sustituirlo para la pr\u00f3xima campa\u00f1a de fundici\u00f3n.<\/p>\n

Filtraci\u00f3n en fundiciones<\/h2>\n

La contaminaci\u00f3n del metal fundido por \u00f3xidos duros, que provoca problemas en el acabado de las piezas fundidas, es la raz\u00f3n principal por la que se ha introducido la filtraci\u00f3n de la fundici\u00f3n en las fundiciones. La eliminaci\u00f3n de defectos indeseables, como la falta de fluidez de la fundici\u00f3n, la porosidad (poros), la baja homogeneidad, etc., que a menudo se producen \u00fanicamente durante el propio proceso de fundici\u00f3n, bajo el impacto de la turbulencia del metal l\u00edquido en el molde, es la segunda raz\u00f3n principal para la filtraci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"

Aluminium alloy filtration can be broken down into several parts, depending on the type of the applied technology of cast production or on the method…<\/p>","protected":false},"author":1,"featured_media":5216,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[645,21,664,665],"class_list":["post-2453","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-aluminium-alloys-filtration","tag-ceramic-foam-filter","tag-filtration-in-foundries","tag-molten-aluminium-filter"],"yoast_head":"\nFiltration in Foundries,Aluminium Alloys Filtration,Molten Aluminium Filter<\/title>\n<meta name=\"description\" content=\"Molten metal pollution by oxides, causing problems with cast finishing, is the main reason for introduction of cast filtration in foundries.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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