![\"Metal](\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/05\/Metal-Foundry-Filter-1.jpg\")
<\/p>\nD\u00f6k\u00fcm i\u015flemi s\u0131ras\u0131nda, erimi\u015f metalin b\u00fcy\u00fck bir k\u0131sm\u0131 t\u00fcrb\u00fclansl\u0131 bir halde kal\u0131ba doldurulur; \u00f6zellikle d\u00f6k\u00fcm\u00fcn ilk a\u015famas\u0131nda, erimi\u015f metal belirli bir y\u00fckseklikten kal\u0131ba girer. Seramik k\u00f6p\u00fck filtrenin ak\u0131\u015f yolunun k\u0131vr\u0131ml\u0131 ve b\u00fck\u00fcml\u00fc yap\u0131s\u0131 sayesinde, s\u0131v\u0131 metalin t\u00fcrb\u00fclansl\u0131 ak\u0131\u015ftan laminer ak\u0131\u015fa ge\u00e7me yetene\u011fi olduk\u00e7a y\u00fcksektir. Metal d\u00f6k\u00fcm filtresi, g\u00fc\u00e7l\u00fc t\u00fcrb\u00fclansl\u0131 ak\u0131\u015fa sahip erimi\u015f metali laminer hale getirir.<\/p>\n
Erimi\u015f metal, seramik k\u00f6p\u00fck filtreden ge\u00e7tikten sonra, orijinal t\u00fcrb\u00fclansl\u0131 durumuna d\u00f6nmeden \u00f6nce daha uzun bir ge\u00e7i\u015f b\u00f6lgesinden ge\u00e7mesi gerekir. Bu ge\u00e7i\u015f b\u00f6lgesinde, s\u0131v\u0131 ak\u0131\u015f\u0131 art\u0131k t\u00fcrb\u00fclansl\u0131 ak\u0131\u015fa veya k\u00fc\u00e7\u00fck t\u00fcrb\u00fclansa d\u00f6n\u00fc\u015femez; bu sayede metalin ikincil oksidasyonu ve kal\u0131b\u0131n a\u015f\u0131nmas\u0131 \u00f6nlenir, dolay\u0131s\u0131yla ikincil oksit kal\u0131nt\u0131lar\u0131n\u0131n c\u00fcruf t\u0131kanmas\u0131na yol a\u00e7mas\u0131 engellenir.<\/p>\n
\u0130lk a\u015famada, al\u00fcminyum eriyi\u011fi \u00f6ncelikle metal d\u00f6k\u00fcm filtresinin g\u00f6zeneklerinden ge\u00e7er; bu s\u00fcre\u00e7te y\u00fczey gerilimini a\u015fmak, yol boyunca ak\u0131\u015f\u0131 sa\u011flamak ve yerel ak\u0131\u015f direncini a\u015fmak gerekir; bunun i\u00e7in de belirli bir ba\u015flang\u0131\u00e7 bas\u0131n\u00e7 y\u00fcksekli\u011fi bulunmal\u0131d\u0131r.<\/p>\n
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Yaln\u0131zca al\u00fcminyum eriyiklerinin ba\u015flang\u0131\u00e7 bas\u0131nc\u0131 uygun oldu\u011funda, al\u00fcminyum eriyikleri filtre plakas\u0131n\u0131n g\u00f6zeneklerinden s\u00fcz\u00fclebilir. Aksi takdirde, al\u00fcminyum eriyiklerinin s\u00fcz\u00fclme i\u015fleminin ger\u00e7ekle\u015ftirilmesi zordur. Bu nedenle, ilk bas\u0131n\u00e7 de\u011feri, filtre olu\u015fumunun ger\u00e7ekle\u015febilmesi i\u00e7in kilit \u00f6neme sahiptir. Filtre plakas\u0131n\u0131n g\u00f6zenek boyutu, eriyik s\u0131cakl\u0131\u011f\u0131 ve kimyasal bile\u015fim, ilk bas\u0131n\u00e7 de\u011ferini etkileyen fakt\u00f6rlerdir.<\/p>\n
Kullan\u0131m s\u0131ras\u0131nda, ba\u015flang\u0131\u00e7taki indent\u00f6r\u00fcn genellikle milimetre oldu\u011fu g\u00f6r\u00fclmektedir. Metal d\u00f6k\u00fcm filtresi \u00e7al\u0131\u015fma durumuna, yani kararl\u0131 duruma ge\u00e7tikten sonra, filtrasyonun sorunsuz bir \u015fekilde ilerlemesini sa\u011flamak i\u00e7in bas\u0131n\u00e7 y\u00fcksekli\u011fi yakla\u015f\u0131k milimetre civar\u0131ndad\u0131r.<\/p>\n
D\u00f6k\u00fcmhane d\u00f6k\u00fcm s\u00fczme i\u015fleminin ilk a\u015famas\u0131nda, filtre al\u00fcminyum eriyiklerinin \u0131s\u0131s\u0131n\u0131 emdi\u011fi i\u00e7in al\u00fcminyum eriyik s\u0131cakl\u0131\u011f\u0131 ba\u015flang\u0131\u00e7ta d\u00fc\u015fer. Al\u00fcminyum eriyiklerinin ilk a\u015famada yeterli ak\u0131\u015fkanl\u0131\u011f\u0131n\u0131 koruyabilmesi i\u00e7in, s\u0131cakl\u0131k genellikle bu seviyenin alt\u0131na d\u00fc\u015fmemelidir; ayr\u0131ca filtre plakas\u0131 kullan\u0131mdan \u00f6nce yeterince \u00f6n \u0131s\u0131t\u0131lmal\u0131 ve uygun bir s\u0131cakl\u0131\u011fa getirilmelidir.<\/p>\n