{"id":7245,"date":"2020-12-25T09:18:41","date_gmt":"2020-12-25T09:18:41","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7245"},"modified":"2020-12-25T09:18:41","modified_gmt":"2020-12-25T09:18:41","slug":"molten-aluminium-casting-stage","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/molten-aluminium-casting-stage\/","title":{"rendered":"Fase de fundici\u00f3n de aluminio fundido"},"content":{"rendered":"

Una vez que el aluminio fundido se ha vertido durante un determinado periodo de tiempo, comienza la fase de colada. En esta fase, la velocidad de colada empieza a aumentar desde la velocidad inicial hasta la velocidad normal de colada; la temperatura de colada tambi\u00e9n comienza a subir hasta alcanzar la temperatura normal de colada, y el volumen de agua de enfriamiento aumenta desde el volumen inicial hasta el volumen normal de agua de colada.<\/p>\n

Presta atenci\u00f3n a los siguientes aspectos durante la fase de fundici\u00f3n del aluminio fundido:<\/strong><\/p>\n

Esta fase es la m\u00e1s propensa a fallos en el proceso de fundici\u00f3n, y presenta un alto riesgo de explosiones y quemaduras. Seg\u00fan las estad\u00edsticas pertinentes, m\u00e1s de 70% de los accidentes relacionados con la fundici\u00f3n se produjeron en esta fase. Por lo tanto, se debe prestar especial atenci\u00f3n a la seguridad en esta fase y reducir al m\u00ednimo el personal presente en la planta.<\/p>\n

La velocidad inicial de colada suele ser de entre 50% y 70% de la velocidad normal de colada. Por lo general, la velocidad normal de colada debe alcanzarse en un tramo de colada de 200 mm.<\/p>\n

El volumen de agua de enfriamiento suele empezar a aumentar con respecto al volumen inicial de agua cuando comienza el tiempo de retenci\u00f3n. Cuando la velocidad de colada alcanza su nivel normal, el volumen de agua (presi\u00f3n del agua) tambi\u00e9n alcanza el volumen normal de agua de enfriamiento de la colada.<\/p>\n

Presta atenci\u00f3n a la observaci\u00f3n en esta fase, y el molde que presente fugas de aluminio debe sellarse con cono de fibra refractaria<\/a> a tiempo para evitar una fuga excesiva de aluminio y, de este modo, evitar explosiones u otros accidentes.<\/p>\n

\"Conos<\/p>\n

En esta fase de fundici\u00f3n de aluminio fundido, tambi\u00e9n es f\u00e1cil que se produzca una obstrucci\u00f3n por aluminio debido a la condensaci\u00f3n de este metal en el tubo de desag\u00fce. Las causas de esta obstrucci\u00f3n son numerosas, aunque suelen deberse a la baja temperatura del aluminio fundido o a un tiempo de llenado y mantenimiento demasiado prolongado. Es necesario realizar un an\u00e1lisis espec\u00edfico en la producci\u00f3n real. El aluminio del tap\u00f3n puede volver a fundirse y derramarse durante el proceso de fundici\u00f3n, provocando una explosi\u00f3n. El aluminio del tap\u00f3n tambi\u00e9n puede hacer que el caudal del aluminio fundido sea demasiado bajo en una determinada posici\u00f3n de la plataforma, lo que dificulta el llenado con aluminio fundido y, en \u00faltima instancia, la propia fundici\u00f3n.<\/p>\n

Por lo general, cuando el crisol con fugas o el tap\u00f3n de aluminio alcanza m\u00e1s de 5 cristalizadores, se debe detener la colada a tiempo para evitar cualquier peligro.<\/p>\n

En esta fase, el nivel de l\u00edquido de la plataforma de colada variar\u00e1 considerablemente. Intente evitar grandes ondulaciones del aluminio fundido. Preste atenci\u00f3n a la velocidad de inclinaci\u00f3n del horno est\u00e1tico o al ajuste del visor del horno manual. Haga que el nivel del l\u00edquido de la plataforma alcance un valor estable en poco tiempo. El valor de estabilidad general debe ser entre 30 mm y 40 mm inferior a la superficie m\u00e1s alta de la plataforma.<\/p>","protected":false},"excerpt":{"rendered":"

After the molten aluminium filling for a certain period of time, it starts to enter the casting stage. At this stage, the casting speed starts…<\/p>","protected":false},"author":1,"featured_media":7251,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7245","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nMolten Aluminium Casting Blocked with Refractory Fiber Cone<\/title>\n<meta name=\"description\" content=\"At this molten aluminium casting stage, the mold with aluminum leakage should be blocked with refractory fiber cone in time.\" \/>\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\/molten-aluminium-casting-stage\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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