{"id":7507,"date":"2020-11-02T03:24:44","date_gmt":"2020-11-02T03:24:44","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=7507"},"modified":"2020-11-02T03:24:44","modified_gmt":"2020-11-02T03:24:44","slug":"casting-thimble-2","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/casting-thimble-2\/","title":{"rendered":"D\u00f6k\u00fcm Y\u00fcz\u00fc\u011f\u00fc"},"content":{"rendered":"

D\u00f6k\u00fcm Y\u00fcz\u00fc\u011f\u00fc<\/strong> \u0130ki malzemeden olu\u015fur: y\u00fcksek silikonlu 140 eriyik ve Al-Si. G\u00fc\u00e7l\u00fc korozyon direnci, y\u00fcksek geometrik hassasiyet, p\u00fcr\u00fczs\u00fcz d\u00f6k\u00fcm y\u00fczeyi, uzun \u00f6m\u00fcr, d\u00fc\u015f\u00fck bak\u0131m maliyeti ve erimi\u015f metale kirlilik olu\u015fturmama \u00f6zelliklerine sahiptir. Bu \u00fcr\u00fcn, s\u0131cak \u00fcst d\u00f6k\u00fcm i\u00e7in en iyi se\u00e7imdir. Y\u00fcksek katma de\u011fer ve y\u00fcksek teknik performans gerektiren havac\u0131l\u0131k, ula\u015f\u0131m ve elektronik \u00fcr\u00fcnler gibi al\u00fcminyum ala\u015f\u0131ml\u0131 hassas d\u00f6k\u00fcm \u00fcr\u00fcnlerinin \u00fcretimine y\u00f6nelik teknik ihtiya\u00e7lar\u0131 kar\u015f\u0131lamak i\u00e7in idealdir.<\/p>\n

AdTech, yeni malzemelerin geli\u015ftirilmesi ve s\u0131cak \u00fcst d\u00f6k\u00fcm i\u00e7in d\u00f6k\u00fcm parmakl\u0131\u011f\u0131 ile \u00e7ekme borular\u0131n\u0131n \u00fcretiminde uzmanla\u015fm\u0131\u015f bir \u00fcreticidir.
\n\u015eirket, 2012 y\u0131l\u0131ndan bu yana s\u0131cak \u00fcst d\u00f6k\u00fcm \u00fcr\u00fcnleri geli\u015ftirmekte ve \u00fcretmektedir: g\u00f6vde, adapt\u00f6r plakas\u0131, y\u00f6nlendirici plaka, s\u0131cak \u00fcst kapa\u011f\u0131, grafit halka, y\u00f6nlendirici oluk ve di\u011fer \u00fcr\u00fcnler, erimi\u015f metal d\u00f6k\u00fcm ekipmanlar\u0131nda, \u00f6zellikle de Wagstaff gazl\u0131 kayar d\u00f6k\u00fcm masas\u0131 ile birlikte hassas d\u00f6k\u00fcm i\u015flemlerinde kullan\u0131lmaktad\u0131r. D\u00f6k\u00fcm s\u0131ras\u0131nda, da\u011f\u0131t\u0131m plakas\u0131ndaki s\u0131v\u0131 al\u00fcminyum, \u015fekillendirme amac\u0131yla kal\u0131p kristalle\u015ftiricisine ba\u011flan\u0131r ve bu \u00fcr\u00fcnler, mevcut m\u00fc\u015fteriler taraf\u0131ndan 98%'den fazla say\u0131da kabul g\u00f6rm\u00fc\u015ft\u00fcr.<\/p>\n

\"D\u00f6k\u00fcm<\/p>\n

S\u0131cak \u00fcst d\u00f6k\u00fcm<\/a> Kal\u0131b\u0131n \u00fcst k\u0131sm\u0131nda iyi bir \u0131s\u0131 koruma performans\u0131na sahip bir alan bulunan bir d\u00f6k\u00fcm y\u00f6ntemini ifade eder. S\u0131cak \u00fcst d\u00f6k\u00fcm\u00fcn temel amac\u0131, kal\u0131b\u0131n tamam\u0131n\u0131n birincil so\u011fumas\u0131n\u0131 yava\u015flatmak de\u011fil, kal\u0131b\u0131n \u00fcst k\u0131sm\u0131n\u0131n birincil so\u011fumas\u0131n\u0131 yava\u015flatmakt\u0131r.<\/p>\n

Al\u00fcminyum d\u00f6k\u00fcmde genellikle dikey veya yatay su so\u011futmal\u0131 yar\u0131 s\u00fcrekli d\u00f6k\u00fcm y\u00f6ntemi kullan\u0131l\u0131r.
\nDikey d\u00f6k\u00fcmde k\u00fct\u00fc\u011f\u00fcn yap\u0131s\u0131n\u0131 ve y\u00fczey kalitesini iyile\u015ftirmek amac\u0131yla, elektromanyetik kristalizasyon tanklar\u0131, k\u0131sa kristalizasyon tanklar\u0131 ve s\u0131cak \u00fcst d\u00f6k\u00fcm y\u00f6ntemleri de geli\u015ftirilmi\u015ftir (bkz. metallerin kat\u0131la\u015fmas\u0131).
\nSu so\u011futmal\u0131 yar\u0131 s\u00fcrekli d\u00f6k\u00fcm y\u00f6ntemi, s\u0131v\u0131 metali bir oluk arac\u0131l\u0131\u011f\u0131yla su so\u011futmal\u0131 bir kristalle\u015ftiriciye aktarmak ve b\u00f6ylece s\u0131v\u0131 metalin so\u011futularak kat\u0131la\u015fm\u0131\u015f bir kabuk olu\u015fturmas\u0131n\u0131 sa\u011flamakt\u0131r; bu kabuk, d\u00f6k\u00fcm makinesinin taban\u0131 taraf\u0131ndan \u00e7ekilir veya kendi a\u011f\u0131rl\u0131\u011f\u0131yla kristalle\u015ftiriciden d\u00fc\u015ferek bir k\u00fcl\u00e7e olu\u015fturur.
\n\u0130\u015flem parametreleri, ala\u015f\u0131m bile\u015fimi ve k\u00fct\u00fck boyutuna ba\u011fl\u0131 olarak b\u00fcy\u00fck \u00f6l\u00e7\u00fcde de\u011fi\u015fiklik g\u00f6sterir.
\nGenel olarak, d\u00f6k\u00fcm h\u0131z\u0131 ve so\u011fuma h\u0131z\u0131 m\u00fcmk\u00fcn oldu\u011funca art\u0131r\u0131lmal\u0131 ve kristalle\u015fme tank\u0131n\u0131n y\u00fcksekli\u011fi azalt\u0131lmal\u0131d\u0131r. D\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131 genellikle ala\u015f\u0131m\u0131n likid\u00fcs \u00e7izgisinden 50 ila 110 \u00b0C daha y\u00fcksektir. Ayr\u0131ca, al\u00fcminyum \u015feritlerin s\u00fcrekli d\u00f6k\u00fcm ve haddeleme s\u00fcreci geli\u015ftirilmi\u015ftir.<\/p>\n

D\u00f6k\u00fcm al\u00fcminyum ala\u015f\u0131mlar\u0131, d\u00f6vme al\u00fcminyum ala\u015f\u0131mlar\u0131yla ayn\u0131 ala\u015f\u0131m sistemine sahiptir ve d\u00f6vme al\u00fcminyum ala\u015f\u0131mlar\u0131yla ayn\u0131 mukavemetlendirme mekanizmas\u0131na sahiptir (gerilmeyle mukavemetlendirme hari\u00e7). Temel fark, d\u00f6k\u00fcm al\u00fcminyum ala\u015f\u0131mlar\u0131ndaki ala\u015f\u0131m elementi silikonun maksimum i\u00e7eri\u011finin, \u00e7o\u011fu d\u00f6vme al\u00fcminyumun i\u00e7eri\u011finden daha y\u00fcksek olmas\u0131d\u0131r. Ala\u015f\u0131mdaki silikon i\u00e7eri\u011fi.
\nG\u00fc\u00e7lendirici elementlerin yan\u0131 s\u0131ra, d\u00f6k\u00fcm al\u00fcminyum ala\u015f\u0131m\u0131, ala\u015f\u0131m\u0131n yeterli ak\u0131\u015fkanl\u0131\u011fa sahip olmas\u0131 ve d\u00f6k\u00fcm s\u0131ras\u0131nda d\u00f6k\u00fcm\u00fcn b\u00fcz\u00fclme derzlerini kolayca doldurabilmesi i\u00e7in yeterli miktarda \u00f6tektik element (genellikle silikon) i\u00e7ermelidir. \u015eu anda, temel ala\u015f\u0131mlar yaln\u0131zca a\u015fa\u011f\u0131daki 6 kategoriye ayr\u0131lmaktad\u0131r:
\nAI-Cu ala\u015f\u0131m\u0131
\nAI-Cu-Si ala\u015f\u0131m\u0131
\nAI-Si ala\u015f\u0131m\u0131
\nAI-Mg ala\u015f\u0131m\u0131
\nAI-Zn-Mg ala\u015f\u0131m\u0131
\nAI-Sn ala\u015f\u0131m\u0131.<\/p>\n

D\u00f6k\u00fcm \u00f6zellikleri genellikle ak\u0131\u015fkanl\u0131k, b\u00fcz\u00fclme, g\u00f6zeneklilik, bile\u015fen ayr\u0131\u015fmas\u0131, gaz emilimi, d\u00f6k\u00fcm gerilimi ve so\u011fuk \u00e7atlama e\u011filimi vb. unsurlar\u0131 i\u00e7erir.<\/p>","protected":false},"excerpt":{"rendered":"

Casting Thimble is made of two materials: high silicon melting 140 and Al-Si. It has strong corrosion resistance, high geometric accuracy, smooth casting surface, long life, low maintenance cost, and no pollution to molten metal. It is the best choice for hot top casting ,…<\/p>","protected":false},"author":1,"featured_media":7514,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"\nCasting Thimble | Adtech China - Aluminium hot-top Casting<\/title>\n<meta name=\"description\" content=\"Casting Thimble is made of two materials: high silicon melting 140 and Al-Si. 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