Ihe ndị a na-eme iji gbochie nkwụsị nke diski breeki na ntọhapụ: a na-ewebata ígwè a wụrụ awụ n'ime sprue ahụ nke ọma iji belata ikpo ọkụ nke diski na mpaghara ma gbochie ịmepụta ebe ọkụ na-ekpo ọkụ.Dị ka echiche nke iguzosi ike n'ezi ihe nke nkedo ígwè, ka obere akụkụ ndị nwere mgbidi dị gịrịgịrị, ka uru mbelata na-abawanye, na-emesi ike na mbelata.Ụdị nri nwere ike ịbụ nri nri gating ma ọ bụ nri riser.Mgbe a nabatara atụmatụ nri nke usoro gating, isi sprue nwere ike ịba ụba nke ọma, dị ka ịbawanye elu nke igbe dị elu, na-agbakwụnye mgbanaka ọnụ ụzọ, wdg;Onye na-agba obe bụ isi akụkụ nke ikuku na-ese n'elu mmiri.Mgbe ejiri ya maka mgbakwunye shrinkage, akụkụ ya nwere ike ịbawanye nke ọma;Ihe dị n'ime ime ga-adị mkpụmkpụ, dị gịrịgịrị na obosara.Ihe nkedo dị n'ime ya dị mkpụmkpụ (mkpụrụkpụ transverse dị nso na nkedo).N'ihi mmetụta thermal nke nkedo na transverse sprue na eruba mmetụta nke ígwè a wụrụ awụ na-ejuputa na nri, nke dị n'ime sprue agaghị esiri ike ma mechie tupu oge eruo, ọ ga-anọgide na-adịghị egbochi ruo ogologo oge.Mkpa (n'ozuzu) nwere ike igbochi ịmepụta kọntaktị na-ekpo ọkụ na-ekpo ọkụ na ntinye nke sprue dị n'ime.Obosara ahụ bụ iji hụ na ebe njupụta zuru oke.Ozugbo nkedo ahụ na-abanye n'ogo siri ike nke graphitization mgbasawanye na mkpirisi, ígwè a wụrụ awụ na ingate ga-akwụsị na-asọpụta ma mee ka ọ sie ike ma kwụsị n'oge iji meziwanye ọnụego ojiji nke graphitization onwe ya nri, nke bụ mgbanwe mgbanwe mmetụta nke mkpụmkpụ, dị gịrịgịrị. na obosara ingate (riser olu) na nri.Maka ụfọdụ ihe nkedo nwere nnukwu mbelata, enwere ike ịtọ onye na-ebili maka nri.A na-edobe onye na-ebuli elu na mmalite nke ime ime, ma ọ bụ enwere ike ịtọ onye na-ebuli elu na etiti etiti iji zụọ diski n'otu akụkụ nke n'ime sprue.Maka obere akụkụ ndị nwere mgbidi dị mkpa, enwere ike ịnakwere usoro mgbochi nke abụọ, ya bụ, enwere ike ịgbakwunye inoculant n'ime obere ngwugwu maka inoculation ozugbo iji meziwanye mmetụta inoculation ma kwalite nucleation na uto nke graphite.Enwere ike ịgbakwunye ya na ala nke ngwugwu ma saa ya n'ime ígwè a wụrụ awụ.
