{"id":2708,"date":"2020-07-09T08:58:35","date_gmt":"2020-07-09T08:58:35","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=2708"},"modified":"2020-10-14T08:10:48","modified_gmt":"2020-10-14T08:10:48","slug":"aluminum-ingot-quality","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-ingot-quality\/","title":{"rendered":"Calidad de los lingotes de aluminio"},"content":{"rendered":"

Si la estructura y el principio de dise\u00f1o del molde de fundici\u00f3n a presi\u00f3n no son adecuados, no solo se plantear\u00e1n dificultades en la fabricaci\u00f3n del molde, sino que tambi\u00e9n ser\u00e1 dif\u00edcil garantizar la calidad del lingote de aluminio.<\/p>\n

La fundici\u00f3n de aluminio utiliza el proceso Hall-H\u00e9roult para extraer el aluminio met\u00e1lico de su \u00f3xido, la al\u00famina. En este m\u00e9todo, la al\u00famina se disuelve en criolita en un crisol a unos 1000 \u00b0C. A continuaci\u00f3n, la mezcla se somete a electr\u00f3lisis para que el aluminio l\u00edquido, m\u00e1s denso, se deposite en el c\u00e1todo situado en el fondo del crisol. A continuaci\u00f3n, el aluminio puede transferirse a equipos de fundici\u00f3n o extrusi\u00f3n para su conformado final, o bien fundirse en lingotes para su refundici\u00f3n. En la actualidad, la mayor\u00eda utiliza el m\u00e9todo de fundici\u00f3n a presi\u00f3n en moldes para producir piezas de fundici\u00f3n a presi\u00f3n. Este m\u00e9todo no solo permite obtener piezas de alta precisi\u00f3n fundici\u00f3n a presi\u00f3n<\/a> moldes, superficies lisas de los moldes, buenas propiedades mec\u00e1nicas, pero tambi\u00e9n una alta eficiencia en la producci\u00f3n. Sin embargo, esta excelente calidad de los lingotes de aluminio depende principalmente del concepto de dise\u00f1o estructural de las piezas de fundici\u00f3n a presi\u00f3n.<\/p>\n

\"Calidad<\/p>\n

Factores que influyen en la calidad de los lingotes de aluminio<\/h2>\n

1. El material de los lingotes de aluminio para fundici\u00f3n a presi\u00f3n est\u00e1 sujeto a ciertas limitaciones. Dado que los moldes de fundici\u00f3n a presi\u00f3n est\u00e1n sujetos a restricciones de temperatura, el punto de fusi\u00f3n de algunos lingotes de aluminio es demasiado alto, lo que acorta la vida \u00fatil de los moldes de fundici\u00f3n a presi\u00f3n de los accesorios, lo que supone un coste adicional considerable. Hasta la fecha, los lingotes de aluminio producidos mediante moldes de fundici\u00f3n a presi\u00f3n incluyen aleaciones de zinc, lingotes de aluminio, aleaciones de magnesio, aleaciones de cobre y otros metales no ferrosos.<\/p>\n

2. En la superficie del molde de fundici\u00f3n a presi\u00f3n hay peque\u00f1os poros semicirculares. Debido a que el gas presente en el poro se expande y se contrae a altas temperaturas, la superficie de la pieza fundida a presi\u00f3n se abomba. Como consecuencia, el aspecto de las piezas procesadas mediante fundici\u00f3n a presi\u00f3n se ve afectado y su calidad general se ve reducida. Por lo tanto, las piezas de fundici\u00f3n a presi\u00f3n no suelen someterse a tratamiento t\u00e9rmico ni a soldadura, y no son adecuadas para su uso en entornos con altas temperaturas.<\/p>\n

3. La precisi\u00f3n dimensional de las piezas de fundici\u00f3n a presi\u00f3n tambi\u00e9n es limitada. El tama\u00f1o del molde de fundici\u00f3n a presi\u00f3n viene determinado por la fuerza de sujeci\u00f3n de la m\u00e1quina de fundici\u00f3n a presi\u00f3n y por el tama\u00f1o del molde. Por lo tanto, el proceso de fundici\u00f3n a presi\u00f3n no es adecuado para la producci\u00f3n de piezas de gran tama\u00f1o, sino solo para la producci\u00f3n de algunas piezas de peque\u00f1o tama\u00f1o. Sin embargo, en el caso de las piezas de fundici\u00f3n a presi\u00f3n con superficies c\u00f3ncavas m\u00e1s complejas, resulta m\u00e1s dif\u00edcil fabricar los moldes de fundici\u00f3n a presi\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"

If the structure and design principle of the die-casting mold are not good, it will not only bring difficulties to the die-casting mold manufacturing, but…<\/p>","protected":false},"author":1,"featured_media":5558,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[813,812],"class_list":["post-2708","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-die-casting","tag-influencing-factors-of-aluminum-ingot-quality"],"yoast_head":"\nAluminum Ingot Quality Influencing Factors | Die Casting<\/title>\n<meta name=\"description\" content=\"If the structure and design principle of the die-casting mold are not good, it will affect the die casting and aluminum ingot quality.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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