Stereolithography (SLA) – Zaɓin da ya dace don Bugawa ta 3D Mai Kyau
Stereolithography (SLA ko SL) Fasaha ce ta buga 3D mai inganci wacce ke amfani da resin mai saurin narkewa a cikin ruwa a matsayin kayan aiki. Wannan fasaha tana amfani da kayan aikin tsaftacewa mai sauri na resin mai saurin narkewa a ƙarƙashin takamaiman hasken laser na UV, wanda ke ba da damar ƙirƙirar tsarin 3D mai rikitarwa ta hanyar ƙera shi daga Layer-by-Layer.
A lokacin ƙera, resin mai ɗaukar haske a cikin ruwa yana yin polymerization da ƙarfi nan take lokacin da aka fallasa shi ga hasken UV (tsawon raƙuman ruwa kusan 250-400nm). Injin SLA yana mai da hankali kan laser ɗin UV daidai akan saman resin mai ɗaukar haske, yana warkar da resin a hankali daga aya zuwa layi sannan daga layi zuwa sama, yana cimma daidaitattun zane-zane na kowane layi. An gina samfurin 3D mai tsauri da cikakken bayani.
Stereolithography yana ba da fa'idodi kamar ingantaccen ƙira mai kyau, saman da ke da santsi, da kuma sake fasalin cikakkun bayanai masu ƙuduri mai girma. Ana amfani da shi sosai a cikin ƙirƙirar samfuran masana'antu, ƙirar na'urorin likitanci, ƙirar kayan ado, kera mold, da kuma ƙirar samfura masu inganci. Ƙirƙirar sa cikin sauri da daidaito yana rage yawan zagayowar haɓaka samfura, yana kawo sassauci da kirkire-kirkire ga masana'antar kera kayayyaki.
SLA (Stereolithography) ba wai kawai babbar fasaha ce ta wakilci a cikin bugu na 3D ba, har ma da mafita mai inganci don cimma ingantaccen samfuri da ƙananan samarwa na musamman, yana taimaka wa kamfanoni cimma manyan matsayi a cikin kera kayayyaki daidai gwargwado.
Guraben da ke ɗauke da sinadarai masu sauƙin ɗaukar hoto kyauta:
Ribobi: Ƙarancin farashi, warkarwa da sauri, tauri mai kyau, ƙarancin ɗanko
Rashin Amfani: Babban hana iskar oxygen, raguwar yawan iskar oxygen, raguwar kayayyakin da aka buga, ƙarancin daidaito, da kuma buƙatar magancewa ta biyu.
Guraben Cationic Photosensitive:
Fa'idodi: Ƙarancin raguwar girma bayan an warke, yawan amsawa mai yawa, babu buƙatar warkarwa ta biyu bayan ƙera shi, hana iskar oxygen ba ta shafar shi ba, kwanciyar hankali mai kyau, kyawawan halayen injiniya, da kuma daidaito mai kyau.
Rashin amfani: Yawan amsawa a hankali, yawan danko, sinadarin vinyl ethers yana da yawan fallasawa da kuma saurin warkewa; sinadarin epoxies suna da rauni.
Tsarin Haɗin Kai:
Tsarin haɗin Acrylate-epoxy ya haɗu da ƙa'idodin warkarwa guda biyu da aka ambata a sama, tare da masu ƙaddamar da cationic da free radical waɗanda ke aiki tare.
An rarraba resins ɗin bugawa na 3D zuwa resins masu sauƙin ɗaukar hoto, resins masu sauƙin ɗaukar hoto, da tsarin haɗin gwiwa. Ever Ray, wani kamfani mai shekaru 20 na ƙwarewa a fannin samarwa da haɓaka resins masu sauƙin ɗaukar hoto, yana da ƙarfin samarwa na tan 20,000 a kowace shekara, layin samfura masu cikakken tsari, da kuma ikon keɓance samfuran. Resins ɗin bugawa na 3D sun haɗa da Polyurethane 7224-1, 7200, 7296-1, da kuma 7253A-5.
