Ukuphosa isanti kunye notyalo-mali ziinkqubo ezimbini eziphambili zokuphosa kwiziseko zala maxesha. Zombini ezi nkqubo zimbini zokuphosa zineempawu zazo ezizezinye, izibonelelo kunye nezinto ezingalunganga. Ukuphosa isanti kusebenzisa isanti eluhlaza okanye isanti eyomileyo ukwenza ukungunda ngaphambi kokugalela. Phambi kokuba kwenziwe isikhunta, iinkuni, iplastikhi okanye iipateni zesinyithi kufuneka zenziwe kuqala ukwenza isithuba sokubumba kwesanti. Isanti eluhlaza kunye nesanti eyomileyo inokuphinda isetyenziswe emva kokuphoswa nokushukuma.
Ngexesha lokuphosa utyalo-mali, imilo okanye replica iyenziwa (ihlala iphuma kwi-wax) kwaye ibekwe ngaphakathi kwisilinda yesinyithi ebizwa ngeflask. Udaka olumanzi lufakwa kwisilinda ejikeleze imilo ye-wax. Emva kokuba udaka luqinile, isilinda equlathe ipateni ye-wax kunye nodaka lubekwa eziko kwaye zifudunyezwa de i-wax ibe ngumphunga ngokupheleleyo. Emva kokuba i-wax itshe yaphela (de-waxing), iflask iyasuswa e-ontini, kwaye nesinyithi esityhidiweyo (ihlala ingumxube wentsimbi, intsimbi engenasici, ubhedu ... njl. Xa isinyithi sipholile kwaye siqinisiwe, udaka luyasuswa, kwaye ukuphoswa kwesinyithi kuyatyhilwa.
Ukuphosa kuluncedo kakhulu ekwenzeni izinto eziqingqiweyo okanye iimilo zobunjineli ngejometri entsimbi. Iinxalenye zokuphosa zinembonakalo eyahlukileyo kuzo, ezahluke mpela kumacandelo omatshini. Ezinye iimilo ekunokuba nzima ukuzenza kumatshini zilahlwa ngokulula ngakumbi. Kukho inkunkuma encinci yezinto eziphathekayo kwiimilo ezininzi, kuba ngokungafaniyo nokuchithwa, ukuphosa akuyona inkqubo yokukhupha. Nangona kunjalo, ukuchaneka okufumanekayo ngokulahla akulunganga njengokuchwetheza.
Ufanele ukhethe nini ukulahlwa kotyalo mali kwaye kufuneka ukhethe nini ukuphosa isanti?
Olunye uncedo olukhulu lokuphosa utyalo-mali kukuba inokuvumela ukucolwa kwipateni, ngelixa ukuphosa isanti kungavumi. Ekuphoseni isanti, ipateni kufuneka ikhutshwe esantini emva kokuba ipakishwe, ngelixa kutyalo-mali ukuphosa ipatheni kuyaphefumlwa bubushushu. Castings Ulenze kunye namacandelo ezingcakacileyo nazo zingenziwa ngokulula ngakumbi eyahlayo mali, kwaye umphezulu umphetho kakuhle ngokubanzi kufezekiswa. Kwelinye icala, ukulahla utyalo-mali yinkqubo efike ngexesha kwaye ibiza kakhulu, kwaye kunokuba nezinga lempumelelo elisezantsi kunokuphoswa kwesanti kuba kunamanyathelo enkqubo kunye namathuba amaninzi okungahambi kakuhle.
Ixesha leposi: Dec-28-2020