Guduro mai ɗaukar hoto, wanda akafi sani da UV mai warkewar inuwa mara inuwa, ko guduro UV (mfani), galibi ya ƙunshi oligomer, photoinitiator da diluent.A cikin 'yan shekarun nan, an yi amfani da resin mai ɗaukar hoto a cikin masana'antar bugu na 3D masu tasowa, wanda masana'antu suka fi so da daraja saboda kyawawan halaye.Tambayar ita ce, ko guduro mai ɗaukar hoto yana da guba?
Ƙirƙirar ka'idar guduro mai ɗaukar hoto: lokacin da hasken ultraviolet (haske tare da wani tsayin tsayi) yana haskakawa akan guduro mai ɗaukar hoto, guduro mai ɗaukar hoto zai haifar da amsawar warkewa kuma ya canza daga ruwa zuwa ƙarfi.Yana iya sarrafa hanyar haske (Fasahar SLA) ko kai tsaye sarrafa siffar fasahar haske (DLP) don warkewa.Ta wannan hanyar, Layer curing ya zama abin koyi.
Ana amfani da resins masu ɗaukar hoto galibi don buga samfura masu kyau da ƙira masu sarƙaƙƙiya tare da manyan buƙatu don daidaiton ƙima da ingancin saman, kamar allunan hannu, abin hannu, kayan ado ko ainihin sassan taro.Duk da haka, bai dace da buga manyan samfura ba.Idan manyan samfura suna buƙatar bugu, suna buƙatar tarwatsa su don bugawa.Duk da haka, ya kamata a tuna cewa duka biyu na translucent da cikakken m bugu suna buƙatar gogewa a mataki na gaba.Inda polishing ba zai iya isa ba, da nuna gaskiya zai zama dan kadan muni.
Abubuwan guduro mai ɗaukar hoto ba zai iya faɗi kawai ko mai guba ne ko mara guba ba.Dole ne a tattauna guba a hade tare da kashi.Gabaɗaya, babu matsala bayan gyaran haske na al'ada.Guduro mai warkarwa mai haske shine guduro matrix na rufin warkar da haske.An haɗa shi da photoinitiator, diluent mai aiki da ƙari daban-daban don samar da shafi mai haske.
Mai aiki UV monomer wani nau'i ne na acrylate monomer wanda ya dace da maganin UV.HDDA yana da ƙarancin danko, ƙarfin dilution mai ƙarfi, tasirin kumburi akan madaidaicin filastik, kuma yana iya inganta haɓakawa da haɓaka mannewa zuwa madaidaicin filastik.Yana da kyakkyawan juriya na sinadarai, juriya na ruwa da juriya na zafi, kyakkyawan juriya na yanayi, saurin amsawa da kuma sassauci mai kyau.UV monomers ana amfani da ko'ina a UV coatings, UV tawada, UV adhesives da sauran filayen.
UV monomer yawanci yana da ƙarancin danko da ƙarfin dilution mai ƙarfi;Kyakkyawan mannewa zuwa filastik filastik;Kyakkyawan juriya na sinadarai, juriya na ruwa da juriya mai zafi;Kyakkyawan juriya na yanayi;Kyakkyawan sassauci;Matsakaicin saurin warkewa;Good wetting da matakin.
UV monomer za a iya warkewa kawai lokacin da aka haskaka shi zuwa ga manne da hasken ultraviolet, wato, photosensitizer a cikin m inuwa za a hade tare da monomer lokacin da aka fallasa ga ultraviolet haske.A bisa ka'ida, manne marar inuwa ba zai warke ba kusan har abada ba tare da hasken hasken ultraviolet ba.Hasken ultraviolet yana fitowa daga hasken rana na halitta da tushen hasken wucin gadi.Mafi ƙarfi da UV, da sauri da saurin warkewa.Gabaɗaya, lokacin warkewa yana daga 10 zuwa 60 seconds.Don hasken rana na halitta, hasken ultraviolet a cikin yanayin rana zai yi ƙarfi, kuma saurin warkarwa yana da sauri.Koyaya, lokacin da babu hasken rana mai ƙarfi, ana iya amfani da tushen hasken ultraviolet kawai.
Akwai nau'ikan hasken ultraviolet na wucin gadi da yawa, kuma bambancin ikon kuma yana da girma sosai.Ƙarƙashin wutar lantarki na iya zama ƙanƙanta kamar ƴan watts, kuma babban ƙarfin zai iya kaiwa dubban watts.Gudun warkarwa na manne marar inuwa da masana'anta daban-daban ko samfura daban-daban ke samarwa ya bambanta.Manne marar inuwa da aka yi amfani da shi don haɗawa za a iya warkewa ta hanyar haske mai haske.Don haka, manne marar inuwa da aka yi amfani da shi don haɗawa zai iya haɗa abubuwa biyu na zahiri ko kuma ɗaya daga cikinsu dole ne ya kasance a bayyane, ta yadda hasken ultraviolet zai iya wucewa ya haskaka ruwan manne;Aiwatar da manne mara inuwa UV zuwa ɗaya daga cikin saman, rufe jiragen biyu, kuma a ba da haske tare da fitilar ultraviolet tare da tsayin raƙuman ruwa mai dacewa (yawanci 365nm-400nm) da makamashi ko fitilar mercury mai ƙarfi don haskakawa.Lokacin haskakawa, ya zama dole don haskakawa daga tsakiya zuwa gefe, kuma tabbatar da cewa hasken zai iya shiga cikin ɓangaren haɗin gwiwa.
Lokacin aikawa: Mayu-19-2022