Isigaba sokuqala sophando sasigxile ekukhetheni i-monomer eza kusebenza njengebhloko yokwakha i-polymer resin. I-monomer kwakufuneka inyangeke kwi-UV, ibe nexesha elifutshane lokunyanga, kwaye ibonise iimpawu zoomatshini ezifanelekileyo zokusetyenziswa koxinzelelo oluphezulu. Iqela, emva kokuvavanya abantu abathathu abanokuba ngabaviwa, ekugqibeleni lagqiba kwi-2-hydroxyethyl methacrylate (siza kuyibiza nje ngokuba yi-HEMA).
Nje ukuba i-monomer ivalelwe ngaphakathi, abaphandi baqalisa ukufumana uxinaniso olufanelekileyo lwe-photoinitiator kunye ne-agent efanelekileyo yokuvuthela ukuze idibanise i-HEMA nayo. Iintlobo ezimbini ze-photoinitiator zavavanywa ukuba zikulungele na ukunyanga phantsi kwezibane ze-UV eziqhelekileyo ezingama-405nm ezifumaneka rhoqo kwiinkqubo ezininzi ze-SLA. Ii-photoinitiators zadityaniswa kwi-1:1 ratio kwaye zaxutywa kwi-5% ngobunzima ukuze kubekho iziphumo ezilungileyo. I-agent yokuvuthela - eyayiza kusetyenziselwa ukukhulisa isakhiwo seseli se-HEMA, nto leyo eyabangela 'ukugqwala' - yayinzima kancinci ukuyifumana. Uninzi lwee-agents ezivavanyiweyo zazinganyibiliki okanye kunzima ukuzinzisa, kodwa ekugqibeleni iqela lagqiba ekubeni lisebenzise i-agent yokuvuthela engeyoyesiqhelo esetyenziswa kwiipolymers ezifana ne-polystyrene.
Umxube ontsonkothileyo wezithako wasetyenziswa ukwenza i-resin yokugqibela ye-photopolymer kwaye iqela lafumana umsebenzi wokuprinta i-3D uyilo olungelulo oluntsonkothileyo lwe-CAD. Iimodeli zaprintwa nge-3D kwi-Anycubic Photon kwisikali se-1x zaza zafudunyezwa kwi-200°C ukuya kuthi ga kwimizuzu elishumi. Ubushushu bachitha i-agent yokuvuthela, bavuselela isenzo sokufutha kwe-resin kwaye bandisa ubungakanani beemodeli. Xa bethelekisa imilinganiselo yangaphambi nasemva kokwandiswa, abaphandi babale ukwandiswa kwevolumu ukuya kuthi ga kwi-4000% (40x), betyhala iimodeli eziprintiweyo ze-3D ngaphaya kwemida yobukhulu bepleyiti yokwakha ye-Photon. Abaphandi bakholelwa ukuba obu buchwephesha bungasetyenziselwa ukusetyenziswa okulula njengee-aerofoils okanye izixhobo zokubhabha ngenxa yoxinano oluphantsi kakhulu lwezinto ezandisiweyo.
Ixesha lokuthumela: Septemba-30-2024
