{"id":10051,"date":"2021-08-24T09:10:21","date_gmt":"2021-08-24T09:10:21","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10051"},"modified":"2021-08-24T09:10:21","modified_gmt":"2021-08-24T09:10:21","slug":"molten-metal-filtration-process","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/molten-metal-filtration-process\/","title":{"rendered":"Proceso de filtraci\u00f3n de metal fundido"},"content":{"rendered":"

El proceso de filtraci\u00f3n del metal fundido es muy importante. Es el \u00faltimo paso antes de la fundici\u00f3n y determina la calidad de la pieza fundida. Para que el metal fundido pueda atravesar la placa filtrante, es necesario superar la tensi\u00f3n superficial de la pel\u00edcula de \u00f3xido que recubre la superficie del metal fundido, y debe haber suficiente metal fundido para impregnar la placa filtrante.<\/p>\n

Rellena el Caja de filtro CFF<\/a> a un caudal adecuado y sin que se forme un v\u00f3rtice importante, lo que puede reducir la generaci\u00f3n y la incorporaci\u00f3n de inclusiones. Un exceso de inclusiones puede reducir considerablemente la capacidad de la placa filtrante para capturarlas.<\/p>\n

Deje que la placa filtrante de espuma cer\u00e1mica se asiente de forma natural; no la agite, ni la sacuda ni manipule la caja del filtro. Cualquier alteraci\u00f3n provocar\u00e1 una perfusi\u00f3n local, lo que reducir\u00e1 el efecto filtrante y la capacidad de retener impurezas.<\/p>\n

Se coloca un deflector de canal de vertido en el canal de flujo situado entre la caja de filtrado CFF y la m\u00e1quina de colada; el metal fundido se vierte primero en la placa de filtrado y, a continuaci\u00f3n, se llena el canal de flujo situado delante de la presa del canal de vertido; tras ello, se abre la presa del deflector para iniciar la colada. Este m\u00e9todo vuelve a exponer la placa filtrante a la presi\u00f3n total, lo que garantiza la perfusi\u00f3n de la placa filtrante seg\u00fan la norma 100% y, adem\u00e1s, proporciona un flujo r\u00e1pido de metal fundido que favorece el inicio de la colada.<\/p>\n

\"Sistema<\/p>\n

Proceso normal de filtraci\u00f3n de metal fundido<\/strong><\/p>\n

(1) No se debe agitar la escoria en la caja de filtrado ni en el canal de desag\u00fce. La escoria destruir\u00e1 la pel\u00edcula de \u00f3xido de la superficie del metal fundido y har\u00e1 que este la arrastre. La escoria que se encuentra en la superficie del metal fundido es inofensiva, mientras que la que se encuentra debajo de la superficie es perjudicial.<\/p>\n

(2) Llenar el canal de colada con metal. Durante el proceso de fundici\u00f3n, una fluctuaci\u00f3n excesiva del nivel de metal en el canal de colada aumentar\u00e1 el contenido de escoria de la masa fundida. La turbulencia debe limitarse por debajo de la superficie del metal, y debe protegerse la pel\u00edcula de \u00f3xido de la superficie para evitar que se destruya. Adem\u00e1s, ambos lados de la placa filtrante deben quedar sumergidos en la masa fundida.<\/p>\n

(3) No se debe hacer vibrar la placa filtrante de ninguna manera. Hacer vibrar la caja del filtro y el canal de descarga, raspar la placa filtrante bajo la masa fundida, etc., provocar\u00e1 la aparici\u00f3n de inclusiones no met\u00e1licas. Tambi\u00e9n puede hacer que la placa filtrante suelte escoria, y la escoria que se suelte entrar\u00e1 en el lingote y permanecer\u00e1 en el producto.<\/p>","protected":false},"excerpt":{"rendered":"

The molten metal filtration process is very important. It is the last step before casting and determines the quality of the casting. In order for…<\/p>","protected":false},"author":1,"featured_media":10052,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[7373,12498],"class_list":["post-10051","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cff-filter-system","tag-molten-metal-filtration-process"],"yoast_head":"\nMolten Metal Filtration Process, CFF Filter System<\/title>\n<meta name=\"description\" content=\"The molten metal filtration process is very important. 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