(1) Karancin danko.Maganin UV ya dogara ne akan ƙirar CAD, kuma resin yana lanƙwasa Layer ta Layer don samar da sassa.Bayan kammala Layer na farko, yana da wahala ga resin ruwa ya rufe saman daɗaɗɗen resin da aka warke ta atomatik, saboda zafin saman resin ya fi na ƙaƙƙarfan guduro.Dole ne a goge matakin resin kuma a shafe shi sau ɗaya tare da na'ura ta atomatik, kuma za'a iya sarrafa Layer na gaba bayan an daidaita matakin.Wannan yana buƙatar guduro don samun ɗanɗano kaɗan don tabbatar da kyakkyawan matakinsa da sauƙin aiki.A halin yanzu, ana buƙatar dankowar guduro gabaɗaya ya zama ƙasa da 600 CP · s (30 ℃).
(2) Maganin ragewa kadan ne.Nisa tsakanin kwayoyin resin ruwa shine nisa na karfin van der Waals, kimanin 0.3 ~ 0.5 nm.Bayan warkewa, kwayoyin sun haɗe, kuma nisa tsakanin kwayoyin halitta don samar da tsarin cibiyar sadarwa yana jujjuyawa zuwa nisan haɗin haɗin gwiwa, kusan 0.154 nm.Babu shakka, nisa tsakanin kwayoyin halitta yana raguwa kafin da bayan warkewa.Za a rage nisa ta intermolecular na ƙarar halayen polymerization ta 0.125 ~ 0.325 nm.A cikin aiwatar da canjin sinadarai, C = C ya zama CC, tsayin haɗin yana ƙaruwa kaɗan, amma gudummawar da ake bayarwa ga canjin nisan hulɗar intermolecular kadan ne.Saboda haka, ƙarar ƙarar bayan warkewa ba makawa.A lokaci guda, kafin da kuma bayan warkewa, rashin lafiya ya zama mafi tsari, kuma raguwar girma kuma yana faruwa.Wannan ba shi da kyau ga samfurin gyare-gyare na shrinkage, wanda zai haifar da damuwa na ciki da sauƙi don haifar da lalacewa, warpage da fashewar sassan samfurin., Kuma yana tasiri sosai ga daidaito na sassa.Sabili da haka, haɓaka ƙananan guduro mai raguwa shine babban matsalar da resin SLA ke fuskanta a halin yanzu.
(3) Gudun warkewa yana da sauri.Gabaɗaya, kauri na kowane Layer shine 0.1 ~ 0.2 mm, wanda za'a iya ƙarfafa Layer ta Layer yayin gyare-gyare.Yana ɗaukar ɗaruruwa zuwa dubunnan yadudduka don ƙarfafa ɓangaren da ya ƙare.Don haka, idan za a kera daskararrun a cikin ɗan gajeren lokaci, ƙimar warkewa yana da mahimmanci.Lokacin bayyanar da katakon Laser zuwa ma'ana yana cikin kewayon microsecond zuwa millise seconds, wanda kusan yayi daidai da rayuwar yanayin farin ciki na photoinitiator da aka yi amfani da shi.Ƙananan curing kudi ba kawai rinjayar da curing sakamako, amma kuma kai tsaye rinjayar da aiki yadda ya dace na gyare-gyaren inji, don haka yana da wuya a yi amfani da kasuwanci samar.
(4) Karancin fadadawa.A cikin aiwatar da gyare-gyaren gyare-gyare, resin ruwa ko da yaushe yana rufe sashin da aka warke na workpiece kuma zai iya shiga cikin sashin da aka warke, yana sa resin da aka warke ya fadada, yana haifar da karuwar girman sashi.Za'a iya tabbatar da daidaiton samfurin kawai idan kumburin resin yana ƙarami.
(5) Babban hankali.Saboda SLA yana amfani da hasken monochromatic, tsayin tsayin guduro mai ɗaukar hoto da laser dole ne ya dace, wato, tsayin igiyoyin Laser yakamata ya kasance kusa da matsakaicin tsayin raƙuman raƙuman ruwa na resin.A lokaci guda, kewayon raƙuman raƙuman raƙuman ruwa na guduro mai ɗaukar hoto yakamata ya zama kunkuntar, wanda zai iya tabbatar da cewa curing yana faruwa ne kawai a madaidaicin sakawa na Laser, don haka haɓaka daidaiton masana'anta.
(6) Babban darajar warkewa.Zai iya rage raguwar samfurin gyare-gyaren bayan-cure, don haka rage lalacewar bayan-cure.
(7) Ƙarfin jika mai girma.Ƙarfin rigar da ke da ƙarfi zai iya tabbatar da cewa tsarin bayan-curing ba zai haifar da nakasawa ba, fadadawa da kuma peeling interlayer.
Lokacin aikawa: Maris 28-2023