boquilla de fundici\u00f3n<\/a>, lo que provoca una distribuci\u00f3n desigual del material fundido a lo largo de la direcci\u00f3n axial del rodillo de colada. Por ejemplo, si la velocidad de flujo en el centro de la salida de la boquilla de colada es demasiado elevada, el centro del rodillo de colada se expandir\u00e1 localmente, lo que dar\u00e1 lugar a una convexidad excesiva del mismo.<\/p>\n![\"Punta](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2022\/01\/Aluminum-Caster-Tip-Nozzle.jpg\")
<\/p>\n
La \u00abbanda caliente\u00bb es un defecto que se produce en la zona de fundici\u00f3n y laminaci\u00f3n del aluminio fundido, en la que algunas \u00e1reas no se han solidificado por completo y son arrastradas por el rodillo de fundici\u00f3n y laminaci\u00f3n. Los agujeros se forman en la mitad superior de la secci\u00f3n transversal de la palanquilla fundida y se extienden a lo largo de la direcci\u00f3n longitudinal de la misma, formando un canal blanco en la superficie de la palanquilla donde se producen los agujeros. Parte de este canal blanco se encuentra en una posici\u00f3n fija y es continuo. Otros se desplazan lateralmente por la superficie de la banda y, en ocasiones, dos canales blancos que se desplazan lateralmente se fusionan en uno solo, apareciendo un agujero en el punto de uni\u00f3n. Existen muchas razones que explican la aparici\u00f3n de puntos calientes o agujeros, pero la distribuci\u00f3n lateral de la temperatura de la masa fundida a la salida de la boquilla es desigual, y la no solidificaci\u00f3n parcial de la palanquilla fundida es tambi\u00e9n una de las causas de estos defectos.<\/p>\n
Como todos sabemos, en la industria del procesamiento del papel de aluminio, el tratamiento del papel de aluminio ultrafino resulta complicado. Sin embargo, resulta a\u00fan m\u00e1s dif\u00edcil fabricar papel de aluminio ultrafino a partir de lingotes laminados en caliente, lo que exige una calidad interna muy estricta de dichos lingotes. La estructura del aluminio boquilla con punta giratoria<\/a> afecta directamente a la uniformidad de la distribuci\u00f3n transversal de la masa de la placa fundida, por lo que durante el proceso de producci\u00f3n son frecuentes los defectos de calidad local en la placa fundida y la banda, lo que afecta al rendimiento del procesamiento posterior del papel de aluminio e incluso provoca directamente el desecho del producto.<\/p>","protected":false},"excerpt":{"rendered":"The aluminum caster tip has a great influence on the quality of the cast-rolled strip, especially the uniformity of the velocity distribution and temperature distribution…<\/p>","protected":false},"author":1,"featured_media":10249,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10248","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\n
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