{"id":4966,"date":"2020-09-21T09:05:18","date_gmt":"2020-09-21T09:05:18","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=4966"},"modified":"2020-09-21T09:05:18","modified_gmt":"2020-09-21T09:05:18","slug":"casting-and-rolling","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/casting-and-rolling\/","title":{"rendered":"Fundici\u00f3n y laminaci\u00f3n"},"content":{"rendered":"<p>La fundici\u00f3n y el laminado constituyen una etapa importante en la fabricaci\u00f3n de productos de aluminio fundido y laminado. Sin embargo, con la expansi\u00f3n de su uso, se han impuesto requisitos m\u00e1s exigentes en cuanto a la calidad superficial, la calidad interna y la forma de las chapas fundidas y laminadas. En este contexto, hemos llevado a cabo un estudio de seguimiento sobre todo el proceso de producci\u00f3n de bobinas de aluminio fundido y laminado, analizando al mismo tiempo el sistema de procesos y la gesti\u00f3n t\u00e9cnica, y hemos obtenido una comprensi\u00f3n preliminar de las reglas y las causas de los defectos de calidad de las chapas de aluminio fundido y laminado.<\/p>\n<p>La banda caliente es un defecto habitual en la producci\u00f3n de fundici\u00f3n y laminaci\u00f3n. Sus causas son:<\/p>\n<ul>\n<li>Debido a la elevada temperatura de fusi\u00f3n, la distribuci\u00f3n de la temperatura a lo largo de la direcci\u00f3n transversal en la zona de colada y laminaci\u00f3n es desigual, y la longitud de las bolsas de l\u00edquido locales es excesiva, llegando en ocasiones a superar la longitud de la propia zona de colada y laminaci\u00f3n.<\/li>\n<li>El nivel de l\u00edquido del <a href=\"https:\/\/www.alalloycasting.com\/es\/alumina-fiber-flow-box\/\">compartimento delantero<\/a> es demasiado baja y la presi\u00f3n est\u00e1tica es reducida, por lo que el suministro local de metal fundido en la cavidad de la boca es insuficiente. Este metal fundido local no puede entrar en contacto con la superficie del rodillo, por lo que no se enfr\u00eda lo suficiente en la zona de colada y laminaci\u00f3n, y el proceso de cristalizaci\u00f3n no puede completarse.<\/li>\n<li>La velocidad de colada y laminaci\u00f3n es demasiado elevada, lo que provoca que la cavidad l\u00edquida se alargue y que el proceso de cristalizaci\u00f3n no haya concluido en una zona concreta de la masa fundida.<\/li>\n<li>Un exceso de grafito mejora la lubricaci\u00f3n de la superficie del rodillo, lo que se traduce en una buena fluidez de la masa fundida y facilita la aparici\u00f3n de puntos calientes.<\/li>\n<\/ul>\n<p>Teniendo en cuenta las causas propias de los tr\u00f3picos, se debe prestar atenci\u00f3n al control de la temperatura de fusi\u00f3n, el nivel de l\u00edquido en la caja frontal, la velocidad de colada y el consumo de grafito durante el funcionamiento.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4969\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/09\/Casting-and-Rolling-2.jpg\" alt=\"Fundici\u00f3n y laminaci\u00f3n\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Casting-and-Rolling-2.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Casting-and-Rolling-2-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Las condiciones tropicales extremas provocan la aparici\u00f3n de agujeros en la plancha. La causa de estos agujeros es que el contenido de hidr\u00f3geno en la masa fundida es demasiado elevado, y el gas se mezcla con el metal en la boquilla durante el proceso de colada y laminaci\u00f3n.<\/p>\n<p>Teniendo en cuenta las causas de la aparici\u00f3n de agujeros, es necesario tomar las siguientes precauciones:<\/p>\n<ul>\n<li>Controla los par\u00e1metros de fundici\u00f3n y laminaci\u00f3n para evitar la aparici\u00f3n de poros causados por la zona caliente.<\/li>\n<li>Optimizar los procesos de fundici\u00f3n, desgasificaci\u00f3n y eliminaci\u00f3n de escoria, de modo que el contenido de hidr\u00f3geno sea inferior a 0,15 ml\/100 g de Al.<\/li>\n<li>Reduzca al m\u00e1ximo la temperatura del horno de fusi\u00f3n y de la caja delantera para reducir el contenido de gas.<\/li>\n<li>El <a href=\"http:\/\/www.alalloycasting.com\/es\/casting-nozzle\/\">boquilla de fundici\u00f3n<\/a> el material est\u00e9 completamente seco.<\/li>\n<\/ul>\n<p>AdTech se especializa en resolver los problemas que surgen en el proceso de fundici\u00f3n de aluminio. Ofrece servicios en l\u00ednea <a href=\"http:\/\/www.alalloycasting.com\/es\/degassing-unit\/\">unidad de desgasificaci\u00f3n<\/a> y equipos de filtraci\u00f3n, <a href=\"http:\/\/www.alalloycasting.com\/es\/casting-launder-2\/\">canales de colada<\/a>, series de control de flujo, placas de boquillas de colada y otros materiales refractarios para fundiciones de aluminio, que pueden ayudar a las plantas de aluminio a fabricar productos que cumplan con los requisitos de calidad.<\/p>","protected":false},"excerpt":{"rendered":"<p>Casting and rolling is an important step for aluminum cast-rolled products. However, with the expansion of its use, higher requirements have been placed on the&hellip;<\/p>","protected":false},"author":1,"featured_media":4968,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-4966","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>Casting and Rolling used for Aluminum Cast-rolled Products<\/title>\n<meta name=\"description\" content=\"Casting and rolling is an important step for aluminum cast-rolled products. Hot strip is a common defect in casting and rolling production.\" \/>\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\/casting-and-rolling\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Casting and Rolling used for Aluminum Cast-rolled Products\" \/>\n<meta property=\"og:description\" content=\"Casting and rolling is an important step for aluminum cast-rolled products. Hot strip is a common defect in casting and rolling production.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alalloycasting.com\/es\/casting-and-rolling\/\" \/>\n<meta property=\"og:site_name\" content=\"alalloycasting\" \/>\n<meta property=\"article:published_time\" content=\"2020-09-21T09:05:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Casting-and-Rolling-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"320\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"AdTech\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"AdTech\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/casting-and-rolling\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/casting-and-rolling\\\/\"},\"author\":{\"name\":\"AdTech\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#\\\/schema\\\/person\\\/431d9c832111002d5e0bf6dc57a33c20\"},\"headline\":\"Casting and Rolling\",\"datePublished\":\"2020-09-21T09:05:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/casting-and-rolling\\\/\"},\"wordCount\":420,\"publisher\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/casting-and-rolling\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.alalloycasting.com\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/Casting-and-Rolling-1.jpg\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/casting-and-rolling\\\/\",\"url\":\"https:\\\/\\\/www.alalloycasting.com\\\/casting-and-rolling\\\/\",\"name\":\"Casting and Rolling used for Aluminum Cast-rolled Products\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/casting-and-rolling\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/casting-and-rolling\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.alalloycasting.com\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/Casting-and-Rolling-1.jpg\",\"datePublished\":\"2020-09-21T09:05:18+00:00\",\"description\":\"Casting and rolling is an important step for aluminum cast-rolled products. 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Las bandas en caliente son un defecto habitual en el proceso de fundici\u00f3n y laminado.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.alalloycasting.com\/es\/casting-and-rolling\/","og_locale":"es_ES","og_type":"article","og_title":"Casting and Rolling used for Aluminum Cast-rolled Products","og_description":"Casting and rolling is an important step for aluminum cast-rolled products. 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