{"id":12417,"date":"2022-01-21T03:54:04","date_gmt":"2022-01-21T03:54:04","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=12417"},"modified":"2022-01-21T03:54:04","modified_gmt":"2022-01-21T03:54:04","slug":"%d0%bb%d0%b8%d1%82%d0%b5%d0%b9%d0%bd%d1%8b%d0%b5-%d0%b8-%d0%bf%d1%80%d0%be%d0%ba%d0%b0%d1%82%d0%bd%d1%8b%d0%b5-%d1%81%d0%be%d0%bf%d0%bb%d0%b0","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/%d0%bb%d0%b8%d1%82%d0%b5%d0%b9%d0%bd%d1%8b%d0%b5-%d0%b8-%d0%bf%d1%80%d0%be%d0%ba%d0%b0%d1%82%d0%bd%d1%8b%d0%b5-%d1%81%d0%be%d0%bf%d0%bb%d0%b0\/","title":{"rendered":"Boquillas de fundici\u00f3n y laminaci\u00f3n"},"content":{"rendered":"

Las boquillas de colada y laminaci\u00f3n se calcinan a alta temperatura y no contienen sustancias org\u00e1nicas. La tasa de contracci\u00f3n a 800 \u00b0C es nula, lo que permite su uso en diversos laminadores de dos rodillos para la colada continua de piezas en bruto. Boquilla para colada blanda de fibra cer\u00e1mica sin bola de escoria, utilizada para la producci\u00f3n de chapas y l\u00e1minas de aluminio destinadas a materiales de embalaje m\u00e9dicos y alimentarios. Boquilla para colada dura de fibra cer\u00e1mica sin bola de escoria ni relleno importado, que presenta caracter\u00edsticas de alta resistencia, superficie lisa y resistencia al desgaste, y es adecuada para la colada y laminaci\u00f3n de chapa de aluminio a alta velocidad.<\/p>\n

Las boquillas de fundici\u00f3n y laminaci\u00f3n est\u00e1n fabricadas con materiales de alta calidad (a excepci\u00f3n del silicato de sodio), cuentan con un buen recubrimiento antiadherente de aluminio, baja conductividad t\u00e9rmica, alta resistencia t\u00e9rmica, densidad uniforme, superficie lisa y dimensiones precisas.<\/p>\n

Las protuberancias en forma de raya que aparecen a lo largo de la superficie de un producto de aluminio constituyen un defecto superficial del material de aluminio. En el lateral del producto se observa una protuberancia unilateral con protuberancias bilaterales a ambos lados. Algunas de ellas est\u00e1n presentes en todo el producto, mientras que otras aparecen de forma localizada, espor\u00e1dica o peri\u00f3dica. Las protuberancias que aparecen en la superficie del producto deben eliminarse.<\/p>\n

\"Boquillas<\/p>\n

Consejos para los hechiceros<\/a> se abre la espiga, ya que durante el laminado se produce un desbordamiento de metal hacia el orificio ya formado, y el exceso de metal se expulsa hacia el espacio libre del rodillo. Las causas concretas son:
\n(1) Un dise\u00f1o incorrecto del orificio, un ajuste incorrecto del laminador o un desgaste grave del orificio en el producto acabado, lo que da lugar a un gran n\u00famero de orificios en el producto acabado y, a su vez, a la aparici\u00f3n de orejetas en ambos lados;
\n(2) La gu\u00eda de entrada del orificio terminado est\u00e1 mal colocada, no queda bien ajustada, el juego es demasiado grande o el tipo de orificio de entrada no permite fabricar f\u00e1cilmente una oreja unilateral o una oreja intermitente bilateral;
\n(3) La temperatura del laminado es baja o la diferencia de temperatura a lo largo de toda la longitud es elevada;
\n(4) Mal ajuste de la l\u00ednea de laminaci\u00f3n continua.
\n(5) El metal se recorta en el orificio delantero del producto acabado, y en la superficie del laminado aparece una capa convexa, mientras que durante el laminado se forma una oreja peri\u00f3dica.<\/p>\n

M\u00e9todos de prevenci\u00f3n y soluci\u00f3n:<\/strong>
\n(1) Elige el coeficiente de anchura adecuado y mejora el dise\u00f1o del orificio;
\n(2) reforzar el control del tren de laminaci\u00f3n y distribuir de forma razonable la reducci\u00f3n;
\n(3) Coloque correctamente la gu\u00eda prefabricada de la abertura de entrada;
\n(4) Sustituya la ranura desgastada si presenta un desgaste considerable;
\n(5) Mejorar la calidad del calentamiento de la pieza y conseguir una temperatura homog\u00e9nea.<\/p>","protected":false},"excerpt":{"rendered":"

\u041b\u0438\u0442\u0435\u0439\u043d\u044b\u0435 \u0438 \u043f\u0440\u043e\u043a\u0430\u0442\u043d\u044b\u0435 \u0441\u043e\u043f\u043b\u0430 \u043f\u0440\u043e\u043a\u0430\u043b\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043f\u0440\u0438 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0435 \u0438 \u043d\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0432\u0435\u0449\u0435\u0441\u0442\u0432. \u0421\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0443\u0441\u0430\u0434\u043a\u0438 \u043f\u0440\u0438 800 \u00b0\u0421 \u0440\u0430\u0432\u043d\u0430 \u043d\u0443\u043b\u044e, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0435\u0433\u043e \u0432…<\/p>","protected":false},"author":1,"featured_media":12418,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[13198,13199],"class_list":["post-12417","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-13198","tag-13199"],"yoast_head":"\n\u041b\u0438\u0442\u0435\u0439\u043d\u044b\u0435 \u0438 \u043f\u0440\u043e\u043a\u0430\u0442\u043d\u044b\u0435 \u0441\u043e\u043f\u043b\u0430, \u041d\u0430\u043a\u043e\u043d\u0435\u0447\u043d\u0438\u043a \u0438\u0437 \u043a\u0435\u0440\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0432\u043e\u043b\u043e\u043a\u043d\u0430<\/title>\n<meta name=\"description\" content=\"\u041b\u0438\u0442\u0435\u0439\u043d\u044b\u0435 \u0438 \u043f\u0440\u043e\u043a\u0430\u0442\u043d\u044b\u0435 \u0441\u043e\u043f\u043b\u0430 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