{"id":8295,"date":"2021-12-30T07:34:07","date_gmt":"2021-12-30T07:34:07","guid":{"rendered":"https:\/\/www.aluminiumceramicfiber.com\/?p=8295"},"modified":"2021-12-30T07:34:07","modified_gmt":"2021-12-30T07:34:07","slug":"foundry-feeding-tip-cavity","status":"publish","type":"post","link":"https:\/\/www.aluminiumceramicfiber.com\/tr\/foundry-feeding-tip-cavity\/","title":{"rendered":"D\u00f6k\u00fcm Besleme Ucu Bo\u015flu\u011fu"},"content":{"rendered":"

D\u00f6k\u00fcm Besleme Ucu Bo\u015flu\u011fu, al\u00fcminyum \u015ferit d\u00f6k\u00fcm i\u015fleminde kullan\u0131l\u0131r. Erimi\u015f al\u00fcminyum, uzun \u015fekilli d\u00f6k\u00fcm ucundan, ters y\u00f6nde d\u00f6nen iki su so\u011futmal\u0131 silindir aras\u0131ndaki s\u0131k\u0131\u015ft\u0131rma bo\u015flu\u011funa beslenir.<\/p>\n

Erimi\u015f al\u00fcminyum, silindirlerle temas etti\u011finde so\u011fur ve silindirlerin aras\u0131ndan ge\u00e7erken so\u011fumaya devam eder; b\u00f6ylece tekd\u00fcze kal\u0131nl\u0131kta geni\u015f bir d\u00f6k\u00fcm metal \u015ferit olu\u015fur.<\/p>\n

S\u0131v\u0131 metal d\u00f6k\u00fcm makinesine beslendi\u011fi s\u00fcrece, d\u00f6k\u00fcm i\u015flemi kesintisiz olarak devam edebilir.<\/p>\n

D\u00f6k\u00fcm Besleme Ucu Bo\u015flu\u011fu, genellikle s\u0131v\u0131 al\u00fcminyumla temastan kaynaklanan a\u015f\u0131nmaya ve termal \u015foka dayanabilen d\u00fc\u015f\u00fck yo\u011funluklu bir seramik malzemeden yap\u0131l\u0131r; \u00f6rne\u011fin, gerekli \u015fekle getirilmi\u015f bir seramik elyaf levha gibi.<\/p>\n

Bu malzemelerin yo\u011funlu\u011funun d\u00fc\u015f\u00fck olmas\u0131 nedeniyle, \u0131s\u0131 iletkenlikleri \u00e7ok d\u00fc\u015f\u00fckt\u00fcr (genellikle 0,18 W\/mK\u2019dan az) ve i\u00e7indeki s\u0131v\u0131 al\u00fcminyum i\u00e7in belirli bir derecede \u0131s\u0131 yal\u0131t\u0131m\u0131 sa\u011flayabilirler. Tekerlek Ucu<\/a>.<\/p>\n

Ancak, bir s\u00fcre \u00fcretimde kald\u0131ktan sonra, kimyasal a\u015f\u0131nmaya ve y\u0131pranmaya maruz kalabilirler. Bu durum, u\u00e7 yap\u0131s\u0131 i\u00e7inde \u00e7e\u015fitli kirliliklerin olu\u015fmas\u0131na yol a\u00e7abilir ve nihayetinde d\u00f6k\u00fcm hareketinin erken durmas\u0131na neden olabilir.<\/p>\n

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

Al\u00fcminyum d\u00f6k\u00fcm haddeleme makinesi, bir \u00fcst silindir ve bir alt silindir olmak \u00fczere iki silindirden olu\u015fur. Yap\u0131\u015fmaz al\u00fcminyum d\u00f6k\u00fcm nozulu, \u00fcst ve alt silindirler aras\u0131ndaki bo\u015flu\u011fa yerle\u015ftirilmi\u015ftir. Besleme D\u00f6k\u00fcm Nozulu, \u00fcst ve alt silindirlerden olu\u015fan iki d\u00f6k\u00fcm nozulu par\u00e7as\u0131n\u0131 i\u00e7erir. \u00dcst nozul par\u00e7as\u0131 \u00fcst silindire, alt nozul par\u00e7as\u0131 ise alt silindire biti\u015fiktir. \u00dcretim s\u00fcreci devam ettik\u00e7e, \u00fcst ve alt nozul par\u00e7alar\u0131 \u00fczerinde baz\u0131 karbon birikintileri ve ince par\u00e7ac\u0131klar birikebilir. Bu c\u00fcruflar zamanla al\u00fcminyum levhan\u0131n y\u00fczeyinde koyu \u00e7izgiler ve \u00e7izikler olu\u015fturur ve bu da al\u00fcminyum levhan\u0131n y\u00fczey kalitesini ciddi \u015fekilde etkiler. Bu kusurlar\u0131n geleneksel y\u00f6ntemlerle giderilmesi zordur. Bu eksikliklerin \u00fcstesinden gelmek i\u00e7in geleneksel y\u00f6ntem, levhay\u0131 yeniden d\u00f6kmektir; yani, \u00fcretim durdurulduktan sonra c\u00fcrufu temizlemek ve yeniden \u00fcretim yapmakt\u0131r. Ancak, yeniden d\u00f6k\u00fcm i\u015flemi \u00fcretim verimlili\u011fini b\u00fcy\u00fck \u00f6l\u00e7\u00fcde etkileyecek ve \u00fcretim maliyetini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131racakt\u0131r.<\/p>\n

Feed Caster Nozulu'nu kullanmadan \u00f6nce yap\u0131lmas\u0131 gereken haz\u0131rl\u0131k \u00e7al\u0131\u015fmalar\u0131
\n1. Sabit f\u0131r\u0131ndaki erimi\u015f al\u00fcminyumun s\u0131cakl\u0131\u011f\u0131n\u0131 750 \u2103\u00b110 \u2103\u2019ye ayarlay\u0131n (k\u0131\u015f\u0131n \u00fcst s\u0131n\u0131r, yaz\u0131n ise alt s\u0131n\u0131r dikkate al\u0131n\u0131r).
\n2. K\u0131lavuz sisteminin s\u0131k\u0131ca birle\u015ftirilmi\u015f olup olmad\u0131\u011f\u0131n\u0131 kontrol edin ve her t\u00fcrl\u00fc dikey plaka aletini do\u011fru yere yerle\u015ftirin.
\n3. Grafit p\u00fcsk\u00fcrtme s\u0131n\u0131r\u0131n\u0131 levha geni\u015fli\u011fine g\u00f6re ayarlay\u0131n ve \u00f6n kutudaki termokuplunu monte edin.
\n4. Makine grubunu \u00e7al\u0131\u015ft\u0131rarak, ekipman\u0131n her bir par\u00e7as\u0131n\u0131n sisteminin (so\u011futma suyu) normal \u00e7al\u0131\u015f\u0131p \u00e7al\u0131\u015fmad\u0131\u011f\u0131n\u0131 kontrol edin.<\/p>\n

D\u00f6k\u00fcm Besleme Ucu \u2013 Kavite Konum Ayar\u0131
\n1. Izgaral\u0131 d\u00f6k\u00fcm nozulu grubunu d\u00f6k\u00fcm ve haddeleme tesisine kald\u0131r\u0131n ve d\u00f6k\u00fcm nozulu platformu \u00fczerinde konumunu hizalay\u0131n.
\n2. Noz\u00fcl\u00fcn yatay konumunu uygun bir de\u011fere ayarlay\u0131n
\n3. D\u00f6k\u00fcm noz\u00fcl\u00fcn\u00fc merdane aral\u0131\u011f\u0131na yava\u015f\u00e7a yakla\u015ft\u0131r\u0131n, d\u00f6k\u00fcm b\u00f6lgesinin \u00f6nceden belirlenmi\u015f uzunlu\u011funa ula\u015fmak i\u00e7in dikey ve yatay konumlar\u0131n\u0131 ayarlay\u0131n ve d\u00f6k\u00fcm noz\u00fcl\u00fc ile \u00fcst ve alt merdaneler aras\u0131ndaki aral\u0131\u011f\u0131n en uygun durumunu g\u00f6zlemleyin.<\/p>\n