Kunezinhlobo ezine eziyinhloko zezinqubo zeUkuphrinta kwe-3D, futhi izinqubo ezintsha zivame ukuvela.Inqubo ngayinye yokukhiqiza izithasiselo isebenzisa izinto ezihlukene ukuze kukhiqizwe izingxenye ezinezakhiwo ezihlukile ezisebenza kahle ezinhlelweni ezithile.
1. kukhona i-photopolymerization
Ukwehliswa kwe-polymerization yama-photopolymer anguketshezi alashwe yi-photosensitive polymerization kungenye yezinqubo zokuqala zokukhiqiza izithasiselo.Isendlalelo se-Uv esinembile ngokuphulukiswa kongqimba kanye nokuqiniswa kwezingqimba ezincane zama-resins e-photosensitive.Le ndlela, eyaziwa ngokuthi i-stereophotography, yathengiswa maphakathi nawo-1980.NgeyangempelaUkuphrinta kwe-3Dezobuchwepheshe engqondweni, izingxenye ze-stereolithography zisetshenziselwa ukutshala izimali ezinhlelweni ezifana namaphethini wokulingisa, ama-prototypes namamodeli emibono.Obunye ubuchwepheshe obuphawulekayo ukucutshungulwa kokukhanya kwedijithali.
2. extrusion impahla
Lolu hlobo lokukhiqiza okungeziwe lusabalalisa izinto ngokushisisa umlomo noma ngokukhipha ikhanda.Ngemva kokubeka isendlalelo esisodwa, yehla ukuze wakhe iplatifomu, noma uhambise ikhanda le-extrusion phezulu ukuze uphrinte isendlalelo esilandelayo phezu kwesendlalelo sangaphambilini.Impahla eluhlaza ngokuvamile i-thermoplastic filament, inxeba ku-spool futhi iyancibilika lapho ikhishwa.Indlela evamile yokusebenzisa le ndlela i-deposition encibilikisiwe.Lolu hlobo lokukhiqiza okungeziwe lungasetshenziselwa ukukhiqiza izingxenye, amathuluzi okukhiqiza, nama-prototypes asebenzayo ngenxa yekhono lokwakha ngezinto ezijwayelekile ze-thermoplastic.
3. i-powder layer fusion
Ukuhlanganisa ungqimba lwempushana indawo yengxenye ephambanayo yempushana ehlanganiswe amandla ashisayo.Ukushisa kuncibilikisa impuphu futhi kuqina lapho kuphola.Ngama-polymers, impushana engasetshenzisiwe ezungeze ingxenye isetshenziselwa ukubamba ingxenye endaweni, ngakho-ke akukho ukwesekwa okwengeziwe okudingekayo.Ezingxenyeni zensimbi, amahange ngokuvamile adingeka ukuxhuma izingxenye embhedeni wokuphrinta futhi asekele ukucushwa okuya phansi.I-Laser sintering yathengiswa ngo-1992, kwalandelwa ukucwiliswa kwesivinini esikhulu futhi, muva nje, i-multi-jet fusion.Ekwenziweni kwensimbi, i-laser sintering yensimbi eqondile kanye ne-electron beam melting molding (EBM) yizinhlelo zezimboni ezaziwa kakhulu.
4. Ukufafaza ngezinto ezibonakalayo
Umjovo wezinto ezibonakalayo ungenye yezindlela ezisheshayo zokukhiqiza izithasiselo zisebenzisa amakhanda okuphrinta ane-nozzle eminingi.Ukukhiqiza okungeziwe kufaka amaconsi ongqimba lwento yokwakha ngongqimba.Isistimu yomjovo we-Material ingaphrinta izingxenye ze-material enezigaba eziningi.Izingxenye zikhiqizwa ngezilinganiso ezihlukene zento ngayinye, okuholela ezinhlobonhlobo zemibala kanye nezinhlobonhlobo zezinto ezibonakalayo.Ngokuvamile, lezi zinhlelo zisebenzisa ama-photopolymers, ama-wax nezinto zedijithali lapho ama-photopolymers amaningi axutshwa futhi afuthwe kanyekanye.Amasu afana nemodeli ye-multi-jet kanye ne-jetting asetshenziselwa ukudala i-prototyping esheshayo, amamodeli omqondo, amaphethini okusakaza okutshalwa kwezimali, namamodeli ezokwelapha angokoqobo e-anatomical.
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Isikhathi sokuthumela: Jun-06-2022