Fasahar samar da farantin tungsten

Foda metallurgy tungsten yawanci yana da kyau hatsi, ta blank ne kullum zaba ta high zafin jiki ƙirƙira da mirgina Hanyar, da yawan zafin jiki ne kullum sarrafa tsakanin 1500 ~ 1600 ℃.Bayan babu komai, tungsten na iya ƙara jujjuyawa, ƙirƙira ko jujjuyawa.Ana aiwatar da mashin ɗin matsa lamba a ƙasa da zafin jiki na recrystallization, saboda iyakokin hatsi na tungsten da aka sake gyarawa suna raguwa, wanda ke iyakance aikin aiki.Sabili da haka, tare da haɓaka jimlar yawan aiki na tungsten, zazzabi na lalacewa yana raguwa daidai.
Tungsten farantin mirgina za a iya raba zafi mirgina, dumi mirgina da sanyi mirgina.Saboda babban juriya na nakasawa na tungsten, rollers na yau da kullun ba za su iya cika buƙatun farantin tungsten ba gaba ɗaya, yayin da rollers ɗin da aka yi da kayan na musamman yakamata a yi amfani da su.A cikin mirgina tsari, rollers bukatar preheated, da preheating zafin jiki ne 100 ~ 350 ℃ bisa ga daban-daban mirgina yanayi.Blanks za a iya machined kawai a lokacin da dangi yawa (rabo na ainihin yawa to theoretical yawa) ya fi 90%, kuma suna da kyau processibility a yawa na 92 ​​~ 94%.The tungsten slab zafin jiki ne 1,350 ~ 1,500 ℃ a cikin zafi mirgina tsari;idan an zaɓi sigogin tsarin nakasawa ba da kyau ba, za a lissafta blanks.Matsakaicin zafin jiki na farawa shine 1,200 ℃;8mm-kauri zafi birgima faranti na iya kai kauri na 0.5mm ta dumi mirgina.Tungsten faranti suna da tsayin juriya na nakasawa, kuma jikin na'urar na iya lankwasa da nakasu a cikin tsarin jujjuyawar, don haka faranti za su samar da kauri mara daidaituwa tare da jagorar nisa, kuma yana iya fashe saboda rashin nakasar duka. sassa a cikin abin nadi ko mirgina tsarin musayar niƙa.Matsakaicin jujjuyawar juzu'i na faranti mai kauri 0.5mm shine zafin jiki ko sama da zafin dakin;tare da brittleness, da zanen gado ya kamata a yi birgima a cikin 0.2mm-kauri zanen gado a zazzabi na 200 ~ 500 ℃.A cikin lokaci na baya na mirgina, zanen tungsten suna da bakin ciki da tsayi.Don tabbatar da dumama dumama faranti, graphite ko molybdenum disulphide yawanci ana rufe su, wanda ba wai kawai yana da fa'ida ga dumama faranti ba amma har ma yana da tasirin mai a cikin aikin injin.