1. SLA
SLA ndi mafakitale3D kusindikizakapena njira yowonjezera yopangira yomwe imagwiritsa ntchito laser yoyendetsedwa ndi makompyuta kuti ipange mbali mu dziwe la UV-curable photopolymer resin. Laser imalongosola ndikuchiritsa gawo la gawo lomwe limapangidwa pamwamba pa utomoni wamadzimadzi. The anachiritsa wosanjikiza ndiye adatchithisira mwachindunji pansi pa madzi utomoni pamwamba ndi ndondomeko mobwerezabwereza. Chilichonse chochiritsidwa chatsopanocho chimamangiriridwa ndi wosanjikiza pansi pake. Njirayi ikupitirira mpaka gawolo litatha.
Ubwino:Pamitundu yamaganizidwe, ma prototypes odzikongoletsera ndi mapangidwe ovuta, SLA imatha kupanga magawo okhala ndi ma geometri ovuta komanso zomaliza zabwino kwambiri poyerekeza ndi njira zina zowonjezera. Mitengo ndi yopikisana ndipo teknoloji imapezeka kuchokera kuzinthu zambiri.
Zoyipa:Magawo a prototype mwina sangakhale amphamvu ngati magawo opangidwa kuchokera ku utomoni waukadaulo, chifukwa chake magawo opangidwa ndi SLA sagwiritsidwa ntchito pang'ono pakuyesa magwiridwe antchito. Kuonjezera apo, pamene zigawo zimayikidwa pazitsulo za UV kuti zichiritse kunja kwa gawolo, gawo lopangidwa mu SLA liyenera kugwiritsidwa ntchito ndi UV ndi chinyezi chochepa kuti zisawonongeke.
2. SLS
Mu ndondomeko ya SLS, laser yoyendetsedwa ndi makompyuta imakokedwa kuchokera pansi mpaka pamwamba pa bedi lotentha la ufa wa nayiloni, womwe umasungunuka pang'onopang'ono (kusakanikirana) kukhala olimba. Pambuyo pa wosanjikiza uliwonse, wodzigudubuza amayika ufa watsopano pamwamba pa bedi ndipo ndondomekoyi imabwerezedwa.SLS imagwiritsa ntchito nayiloni yolimba kapena ufa wosinthika wa TPU, wofanana ndi thermoplastics weniweni wa engineering, kotero mbali zake zimakhala zolimba kwambiri komanso zolondola, koma zimakhala ndi Pamwamba komanso kusowa kwatsatanetsatane.SLS imapereka kuchuluka kwakukulu komanga, imalola kupanga magawo okhala ndi ma geometries ovuta kwambiri ndikupanga ma prototypes olimba.
Ubwino:Magawo a SLS amakhala olondola komanso olimba kuposa magawo a SLA. Njirayi imatha kupanga magawo olimba okhala ndi ma geometries ovuta ndipo ndi oyenera kuyesedwa kogwira ntchito.
Zoyipa:Magawo ali ndi kapangidwe kanjere kapena mchenga ndipo njira zopangira utomoni ndizochepa.
3. CNC
Pamakina, chipika cholimba (kapena chotchinga) chapulasitiki kapena chitsulo chimangiriridwa pa aKusintha kwa CNCkapena kutembenuza makina ndikudula chinthu chomalizidwa ndi machining subtractive, motsatana. Njirayi nthawi zambiri imapanga mphamvu zapamwamba komanso kutha kwapamwamba kuposa njira iliyonse yopangira zowonjezera. Ilinso ndi pulasitiki yokwanira, yofanana ndi yomwe imapangidwa kuchokera kuzitsulo zolimba kapena zoponderezedwa za thermoplastic resin, mosiyana ndi njira zambiri zowonjezera, zomwe zimagwiritsa ntchito zipangizo zonga pulasitiki ndikumanga m'magulu. Mitundu yosiyanasiyana ya zinthu zomwe mungasankhe imalola kuti gawolo likhale ndi zinthu zomwe zimafunidwa monga: mphamvu zolimba, kukana kukhudzidwa, kutentha kwa kutentha, kukana kwa mankhwala ndi biocompatibility. Kulekerera kwabwino kumapanga magawo, ma jigs ndi zosintha zoyenera kuti zitheke komanso kuyesa ntchito, komanso zida zogwirira ntchito zomaliza.
Ubwino:Chifukwa chakugwiritsa ntchito ma engineering grade thermoplastics ndi zitsulo pamakina a CNC, mbali zake zimakhala zomaliza bwino komanso zolimba kwambiri.
Zoyipa:Makina a CNC amatha kukhala ndi malire a geometric ndipo nthawi zina kumakhala okwera mtengo kwambiri kuchita izi m'nyumba kuposa kusindikiza kwa 3D. Milling nibbles nthawi zina imakhala yovuta chifukwa njirayo ndikuchotsa zinthu m'malo mowonjezera.
4. Jekeseni akamaumba
Kumanga jekeseni mwachanguimagwira ntchito pobaya jekeseni wa thermoplastic resin mu nkhungu ndipo chomwe chimapangitsa kuti ntchitoyi ikhale "mwachangu" ndiukadaulo womwe umagwiritsidwa ntchito popanga nkhungu, yomwe nthawi zambiri imapangidwa kuchokera ku aluminiyamu osati chitsulo chomwe chimagwiritsidwa ntchito popanga nkhungu. Zigawo zoumbidwa ndi zolimba ndipo zimakhala ndi mapeto abwino kwambiri. Iyinso ndi njira yopangira magawo apulasitiki pamafakitale, kotero pali zabwino zake zopangira prototyping munjira yomweyo ngati ziloleza. Pafupifupi pulasitiki iliyonse yaukadaulo kapena rabara yamadzimadzi ya silicone (LSR) itha kugwiritsidwa ntchito, chifukwa chake opanga samangokhala ndi zida zomwe zimagwiritsidwa ntchito popanga ma prototyping.
Ubwino:Magawo owumbidwa opangidwa kuchokera kuzinthu zingapo zamakalasi a engineering okhala ndi zomaliza zabwino kwambiri ndizomwe zimalosera bwino za kupanga panthawi yopanga.
Zoyipa:Ndalama zoyambira zopangira zida zomwe zimagwirizanitsidwa ndi kuumba jekeseni mwachangu sizichitika mwanjira zina zowonjezera kapena makina a CNC. Choncho, nthawi zambiri, zimakhala zomveka kuchita maulendo amodzi kapena awiri a prototyping mofulumira (ochotsa kapena owonjezera) kuti ayang'ane zoyenera ndikugwira ntchito musanapitirire kuumba jekeseni.
Nthawi yotumiza: Dec-14-2022
