{"id":7935,"date":"2021-02-25T06:51:10","date_gmt":"2021-02-25T06:51:10","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7935"},"modified":"2021-02-25T06:51:10","modified_gmt":"2021-02-25T06:51:10","slug":"air-slip-casting","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/air-slip-casting\/","title":{"rendered":"Fundici\u00f3n por deslizamiento de aire"},"content":{"rendered":"<p>La fundici\u00f3n neum\u00e1tica y la fundici\u00f3n por deslizamiento de aire permiten producir lingotes de alta calidad, lo que las convierte en m\u00e9todos avanzados y contempor\u00e1neos de conformado de lingotes. Sin embargo, este m\u00e9todo de fundici\u00f3n es m\u00e1s sensible a los cambios en la presi\u00f3n atmosf\u00e9rica, por lo que esta debe controlarse con precisi\u00f3n, y plantea mayores exigencias en cuanto a la calidad del gas de fundici\u00f3n. Cuanto menor sea el contenido de agua, mejor. El anillo de grafito poroso que se utiliza se desgasta r\u00e1pidamente y es caro. Adem\u00e1s, la tecnolog\u00eda de fundici\u00f3n es exigente y dif\u00edcil de dominar.<\/p>\n<p>La fundici\u00f3n neum\u00e1tica con \u00abhot top\u00bb consiste en hacer pasar gas a una determinada presi\u00f3n entre el <a href=\"http:\/\/www.alalloycasting.com\/es\/hot-top-casting-cap\/\">tapa superior caliente<\/a> y el cristalizador, y su presi\u00f3n se equilibra exactamente con la presi\u00f3n est\u00e1tica del material fundido en ese punto, formando un espacio de aire entre el material fundido y la pared del molde. La masa fundida aprovecha este espacio de aire para deslizarse hacia abajo y solidificarse, lo que reduce significativamente la conducci\u00f3n de calor por contacto del molde (1 enfriamiento), haciendo que la superficie del lingote sea lisa, que la capa enfriada sea poco profunda y que la estructura cristalina interna tambi\u00e9n mejore.<\/p>\n<p>La diferencia entre el \u00abhot top\u00bb de deslizamiento por aire y el \u00abhot top\u00bb de presi\u00f3n de aire radica en que, en el molde se incorpora un anillo de grafito microporoso, y el petr\u00f3leo y el gas penetran a trav\u00e9s del hueco de dicho anillo para formar una c\u00e1mara de aire que permite que la masa fundida se deslice hacia abajo, se solidifique y adquiera su forma, lo que permite producir lingotes de fundici\u00f3n de alta calidad.<\/p>\n<p><strong>Ventajas del moldeo por deslizamiento de aire<\/strong><\/p>\n<ol>\n<li>La calidad superficial del lingote es excelente. A medida que se reduce la refrigeraci\u00f3n primaria y se refuerza la secundaria, la cavidad del metal l\u00edquido se vuelve m\u00e1s plana, lo que elimina pr\u00e1cticamente las condiciones que dan lugar a la formaci\u00f3n de segregaciones superficiales. Dado que sigue existiendo una capa caliente en la parte superior del lingote, la posibilidad de que se formen capas se reduce considerablemente al aumentar la velocidad de colada. Gracias a la capa lubricante de aceite o gas situada entre la cubierta del lingote y la pared del molde, tambi\u00e9n se reduce considerablemente la tendencia a la formaci\u00f3n de grietas y ara\u00f1azos superficiales. Por lo tanto, la calidad superficial de los lingotes de colada por deslizamiento al aire es mejor que la de la colada con parte superior caliente.<\/li>\n<li>Se reduce la tendencia a la formaci\u00f3n de grietas en el lingote. La forma m\u00e1s plana de la cavidad l\u00edquida hace que la distribuci\u00f3n de las tensiones t\u00e9rmicas sea m\u00e1s uniforme, lo que reduce la tendencia a la formaci\u00f3n de grietas en el lingote. Se puede utilizar una mayor velocidad de colada, lo que mejora la eficiencia de la producci\u00f3n.<\/li>\n<li>Los granos son m\u00e1s finos y uniformes. Tanto una mayor resistencia al enfriamiento como una mayor velocidad de colada aumentan la velocidad media de cristalizaci\u00f3n del lingote. Por lo tanto, la estructura cristalina del lingote es m\u00e1s fina y uniforme, lo que mejora el rendimiento general de todo el lingote.<\/li>\n<li>La intensidad de mano de obra es baja.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Pneumatic and air slip casting can produce high-quality ingots, representing contemporary advanced ingot forming methods. However, this casting method is more sensitive to changes in&hellip;<\/p>","protected":false},"author":1,"featured_media":7936,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7935","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>Air slip Casting Technology | Pneumatic Hot Top Casting<\/title>\n<meta name=\"description\" content=\"Pneumatic and air slip casting can produce high-quality ingots, representing contemporary advanced ingot forming methods.\" \/>\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\/air-slip-casting\/\" \/>\n<meta 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