{"id":11208,"date":"2021-11-14T08:47:10","date_gmt":"2021-11-14T08:47:10","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11208"},"modified":"2021-11-12T08:56:35","modified_gmt":"2021-11-12T08:56:35","slug":"aluminum-cast-rolling-production","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-cast-rolling-production\/","title":{"rendered":"Producci\u00f3n de laminados de aluminio fundido"},"content":{"rendered":"<p>El proceso de laminaci\u00f3n en caliente de piezas fundidas se utiliza ampliamente en la transformaci\u00f3n profunda de aleaciones de aluminio. Este proceso presenta las ventajas de un flujo de proceso corto, un bajo consumo energ\u00e9tico, una distancia dendr\u00edtica reducida y compuestos intermet\u00e1licos finos.<\/p>\n<p>Sin embargo, en el proceso de producci\u00f3n real, la chapa laminada por fundici\u00f3n presenta diversos defectos, entre los cuales el borde agrietado es un defecto habitual en el proceso de producci\u00f3n.<\/p>\n<p>La existencia de este defecto hace que las bandas laminadas en caliente est\u00e9n sometidas continuamente a tensiones de tracci\u00f3n y compresi\u00f3n en el proceso de producci\u00f3n posterior, y que las grietas de los bordes sigan expandi\u00e9ndose. En concreto, las grandes grietas originales de los bordes se extienden r\u00e1pidamente durante el laminado en fr\u00edo y, al alcanzar una cierta extensi\u00f3n, provocan la rotura de la banda e interrumpen la producci\u00f3n.<\/p>\n<p>Adem\u00e1s, las grietas demasiado grandes no pueden eliminarse por completo, lo que no solo afecta al procesamiento posterior y al uso por parte del usuario, sino que tambi\u00e9n aumenta el coste. Por lo tanto, se trata de un problema urgente para los t\u00e9cnicos de producci\u00f3n, como el agrietamiento excesivo y c\u00f3mo evitar la aparici\u00f3n de grietas durante el <a href=\"http:\/\/www.alalloycasting.com\/es\/casting-and-rolling-production\/\">producci\u00f3n de piezas fundidas y laminadas<\/a> proceso.<\/p>\n<p>Seg\u00fan el principio de fundici\u00f3n-laminaci\u00f3n, en la zona de fundici\u00f3n-laminaci\u00f3n, el metal l\u00edquido se enfr\u00eda mediante dos rodillos giratorios, y los dos procesos de fundici\u00f3n y laminaci\u00f3n se completan en poco tiempo. No se produce ning\u00fan deslizamiento relativo entre la superficie del metal y la del rodillo, y la pieza laminada se vuelve m\u00e1s delgada, produci\u00e9ndose \u00fanicamente un gran deslizamiento hacia atr\u00e1s en el centro.<\/p>\n<p>Por lo tanto, la superficie met\u00e1lica y la capa interna se deforman bajo la acci\u00f3n de la fuerza de cizallamiento y la presi\u00f3n, y esta deformaci\u00f3n se transmite a la capa dura solidificada de la cavidad l\u00edquida, provocando la misma deformaci\u00f3n y fuerza de cizallamiento en el interior de dicha capa dura solidificada.<\/p>\n<p>Cuando la fuerza de cizallamiento generada por la deformaci\u00f3n supera la resistencia al cizallamiento del metal solidificado de capa dura, la parte m\u00e1s d\u00e9bil del material se agrieta primero y, a continuaci\u00f3n, la grieta se expande. Una vez que la tensi\u00f3n en ese punto se ha relajado por completo, la grieta deja de expandirse, form\u00e1ndose as\u00ed una fisura.<\/p>\n<p>En la zona de deformaci\u00f3n, el metal se ve sometido simult\u00e1neamente a la fuerza de fricci\u00f3n ejercida por las orejas de la punta del rodillo y a la tensi\u00f3n de tracci\u00f3n aplicada a ambos lados. Estas dos tensiones, en direcciones opuestas, provocan que las grietas se produzcan preferentemente en los bordes.<\/p>\n<p>Seg\u00fan el principio de la fundici\u00f3n y la laminaci\u00f3n, las fundiciones de aluminio pueden minimizar las grietas reduciendo el grado de deformaci\u00f3n o disminuyendo la fricci\u00f3n de las orejas de la punta del molde.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cast-rolling production is widely used in aluminum alloy deep-processing production. The aluminum cast-rolling production has the advantages of short process flow, low energy consumption, small&hellip;<\/p>","protected":false},"author":1,"featured_media":11211,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-11208","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aluminum Cast Rolling Production, Aluminum Alloy Deep Processing<\/title>\n<meta name=\"description\" content=\"The aluminum cast-rolling production has the advantages of short process flow, low energy consumption, small dendritic distance.\" \/>\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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