Ubhedu lweAluminiyamineempawu zokuphosa zokufunxa okuqinileyo, i-slag ye-oxidation elula, ukushwabana okukhulu kokuqina, ukungahambi kakuhle kwe-thermal, kunye nokusebenza kakubi kokuphosa. Ngaphambi kokuphosa, abavelisi be-tin bronze basebenzisa umxube wezinye iikhompawundi zesinyithi zomhlaba zealkali, ezifana ne-Na₃AlF₆ kunye ne-NaF, njenge-ejenti ye-slagging yokucoca ubhedu olumanzi. Kwakusebenza ukuphucula i-crystalline structure yentsimbi ecocekileyo yolwelo kunye ne-ingot.
Ubushushu bokuphosa be-aluminium yobhedu luqhele ukuba yi-1120 ~ 1180℃, kwaye iqondo lobushushu lokuphosa le-ingot yesayizi enkulu lingaphantsi kancinci. Xa i-ingot ye-aluminium yobhedu ejikelezayo iphoswe, inqanaba lolwelo lwesinyithi kwi-mold lingaphoswa kwimo evulekileyo yokuhamba ngaphandle kokhuseleko.
Inyibilika ingena kumngundo ngomngxuma osezantsi kwefaneli. Uyilo lwe-funnel aperture kufuneka luhlangabezane neemeko ezimbini ngexesha elinye: enye kukuqinisekisa izinga lokuhamba elihambelana nesantya sokuphosa; Okwesibini, qinisekisa ukuba ifaneli isoloko igcina inqanaba elithile lolwelo, ukuze isigqubuthelo solwelo singakwazi ukungena kwisingundo sisuka kumngxuma wefaneli. I-aluminium-bronze ingot ixhomekeke kwi-porosity kunye ne-shrinkage egxininisiweyo. Kuyimfuneko ukuba ugcwalise ngokucophelela ekupheleni kokuthulula ukuze ugweme i-shrinkage egxininisiweyo ye-ingot.
I-aluminiyam-yebronze ucingo olugobayo lunokuba nokungazinzi koxinzelelo kunye nokuguquguquka. Ukuba kukho izinto ezibonakalayo ezibonisayo ebusweni, umphezulu wocingo lobhedu wonakaliswe, onokubangelwa kwinkqubo yokudweba ucingo, ebonisa ukuba umgangatho wocingo lobhedu awulungile. Ukuba ucingo lobhedu oluveliswayo lunale meko, kufuneka sinikele ingqalelo ukujonga ukuba i-mold yethu igugile, kwaye ingaba ivili lesikhokelo aliguquki ixesha elide, elinokukhokelela kwiingxaki ze-flash.
Ukuba kukho amanqaku angekhoyo kumphezulu wocingo lwe-aluminiyam yobhedu, ukugqiba okubonakalayo kubi kakhulu. Lo mcimbi ubizwa ngokuba yizinwele, ezibangelwa ukuguga kunye nokukrazula, kwaye kukho imikrwelo kunye nezinye iingxaki, ezibonisa ukuba umgangatho wocingo lobhedu awulungile kakhulu. Ukusuka kwimbonakalo inokujongwa ngokungqongqo umgangatho wocingo lobhedu, ngoko kufuneka sivule amehlo ethu xa sithenga ucingo lobhedu, singadideki ngeemveliso eziphantsi.
Ixesha lokuposa: Nov-10-2022