![\"Al\u00fcminyum](\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/07\/Aluminum-Hot-Top-Casting-Process.jpg\")
<\/p>\nAl\u00fcminyum ala\u015f\u0131ml\u0131 yuvarlak k\u00fcl\u00e7elerin \u00fcretimi i\u00e7in al\u00fcminyum s\u0131cak \u00fcst d\u00f6k\u00fcm i\u015flemi tercih edilmektedir; bu i\u015flem, k\u00fcl\u00e7enin m\u00fckemmel i\u00e7 ve y\u00fczey kalitesi ile kolay \u00fcretim ve i\u015fletim gibi avantajlara sahiptir. Ala\u015f\u0131m\u0131n bile\u015fimi ve s\u0131cak \u00fcst d\u00f6k\u00fcm prosesi ekipman\u0131n\u0131n belirlenmesi ko\u015fuluyla, y\u00fcksek kaliteli, geni\u015f \u00e7apl\u0131 al\u00fcminyum ala\u015f\u0131ml\u0131 yuvarlak k\u00fcl\u00e7elerin \u00fcretimi i\u00e7in d\u00f6k\u00fcm prosesi parametreleri b\u00fcy\u00fck \u00f6nem ta\u015f\u0131maktad\u0131r.<\/p>\n
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Al\u00fcminyum s\u0131cak \u00fcst d\u00f6k\u00fcm i\u015flem parametreleri aras\u0131nda ba\u015fl\u0131ca d\u00f6k\u00fcm h\u0131z\u0131, d\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131 ve k\u00fcl\u00e7enin so\u011fuma mukavemeti yer almaktad\u0131r. Y\u00fcksek kaliteli al\u00fcminyum ala\u015f\u0131ml\u0131 yuvarlak k\u00fcl\u00e7elerin \u00fcretimi, asl\u0131nda bu \u00fc\u00e7 ana parametrenin en uygun \u015fekilde bir araya getirilmesinin sonucudur.<\/p>\n
(1) D\u00f6k\u00fcm h\u0131z\u0131. S\u0131cak \u00fcstl\u00fc d\u00f6k\u00fcm kristalizat\u00f6r\u00fcnde, so\u011futma i\u015flemi s\u0131ras\u0131nda so\u011futma ve ya\u011flamada rol oynayan bir y\u00fckseltici man\u015fon bulunur. Y\u00fckseltici man\u015fonun geni\u015fli\u011fi sabit oldu\u011fundan, k\u00fcl\u00e7enin so\u011futma y\u00fcksekli\u011fi de sabittir. D\u00f6k\u00fcm h\u0131z\u0131n\u0131n se\u00e7imi, al\u00fcminyum ala\u015f\u0131ml\u0131 yuvarlak k\u00fcl\u00e7enin iyi bir \u015fekillendirilebilirli\u011fe sahip olmas\u0131n\u0131 sa\u011flamaya dayal\u0131 olmal\u0131d\u0131r; bu da al\u00fcminyum ala\u015f\u0131ml\u0131 yuvarlak k\u00fcl\u00e7enin \u00e7atlak g\u00f6stermemesini ve iyi bir y\u00fczey kalitesine sahip olmas\u0131n\u0131 sa\u011flamak anlam\u0131na gelir. Yukar\u0131daki fakt\u00f6rler g\u00f6z \u00f6n\u00fcnde bulunduruldu\u011funda ve k\u00fct\u00fc\u011f\u00fcn b\u00fcy\u00fck \u00e7ap\u0131 da dikkate al\u0131nd\u0131\u011f\u0131nda, al\u00fcminyum ala\u015f\u0131ml\u0131 yuvarlak k\u00fct\u00fcklerin nispeten d\u00fc\u015f\u00fck bir d\u00f6k\u00fcm h\u0131z\u0131nda d\u00f6k\u00fclmesi daha uygundur; bu nedenle d\u00f6k\u00fcm h\u0131z\u0131 20-30 mm\/dk olarak se\u00e7ilir.<\/p>\n
(2) D\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131. D\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131n\u0131n se\u00e7imi, serbest d\u00f6k\u00fcmden sonra al\u00fcminyum ala\u015f\u0131m\u0131 eriyi\u011finin d\u00f6k\u00fcm i\u015flemi s\u0131ras\u0131nda iyi bir ak\u0131\u015fkanl\u0131\u011fa sahip olmas\u0131n\u0131 sa\u011flamaya dayan\u0131r. Zira yaln\u0131zca iyi bir ak\u0131\u015fkanl\u0131k, al\u00fcminyum ala\u015f\u0131m\u0131 eriyi\u011finin iyi dolum \u00f6zelliklerine sahip olmas\u0131n\u0131 garanti edebilir.<\/p>\n