Intlaka yefotosensitive, eyaziwa ngokuba yi-UV enyangekayo encamathelayo engenamthunzi, okanye i-resin ye-UV (ingcina), ikakhulu yenziwe yi-oligomer, ifotoinitiator kunye ne-diluent.Kwiminyaka yakutshanje, i-photosensitive resin isetyenzisiwe kushishino olusakhulayo lwe-3D yoshicilelo, ethandwa kwaye ixatyiswe lishishini ngenxa yeempawu zayo ezintle.Umbuzo ngulo, ngaba i-photosensitive resin inetyhefu?
Umgaqo-siseko wokwenza i-photosensitive resin: xa ukukhanya kwe-ultraviolet (ukukhanya okunobude obuthile) kukhanya kwi-photosensitive resin, i-photosensitive resin iya kuvelisa ukunyanga ukusabela kunye nokutshintsha ukusuka kulwelo ukuya kokuqinileyo.Iyakwazi ukulawula indlela yokukhanya (i-SLA Technology) okanye ilawule ngokuthe ngqo ubume bokukhanya (i-DLP) iteknoloji yokuphilisa.Ngale ndlela, umaleko wokunyanga uba yimodeli.
Iiresin zefotosensitive zisetyenziswa kakhulu ukuprinta iimodeli ezintle kunye neemodeli zoyilo ezintsonkothileyo ezineemfuno eziphezulu zokuchaneka kwemodeli kunye nomgangatho womphezulu, njengeebhodi zezandla, ezenziwe ngesandla, ubucwebe okanye iinxalenye zendibano ezichanekileyo.Nangona kunjalo, ayifanelekanga ukuprinta iimodeli ezinkulu.Ukuba iimodeli ezinkulu zifuna ukuprintwa, kufuneka zihlulwe ukuze ziprintwe.Nangona kunjalo, kufuneka kukhunjulwe ukuba ukuprintwa okuguquguqukayo kunye nokungafihli ngokupheleleyo kufuneka kukhazimliswe kwixesha elizayo.Apho ukukhazimliswa kungenakufikelela khona, ukungafihli kuya kuba kubi kancinane.
Izinto ze-photosensitive resin azinakutsho nje ukuba ziyityhefu okanye aziyiyo.Ubuthi kufuneka buxoxwe ngokudityaniswa nedosi.Ngokuqhelekileyo, akukho ngxaki emva kokunyangwa kokukhanya okuqhelekileyo.I-resin yokunyanga ukukhanya yintlaka ye-matrix yokwaleka ukukhanya.Idityaniswe kunye ne-photoinitiator, i-diluent esebenzayo kunye nezongezo ezahlukeneyo ukwenza ukutyabeka okuphilisa ukukhanya.
I-monomer esebenzayo ye-UV luhlobo lwe-acrylate monoma efanelekileyo kwi-UV yokunyanga ukuphendula.I-HDDA ine-viscosity ephantsi, amandla e-dilution anamandla, umphumo wokuvuvukala kwi-substrate yeplastiki, kwaye inokuphucula ngokufanelekileyo kwaye ikhuthaze ukunamathela kwi-substrate yeplastiki.Inokumelana neekhemikhali ezilungileyo, ukuxhathisa kwamanzi kunye nokuxhathisa ubushushu, ukuxhathisa kwemozulu okugqwesileyo, isantya sokusabela okuphakathi kunye nokuguquguquka okulungileyo.Iimonomers ze-UV zisetyenziswa ngokubanzi kwiingubo ze-UV, ii-inks ze-UV, i-Adhesives ye-UV kunye namanye amasimi.
I-monomer ye-UV ibonakaliswe nge-viscosity ephantsi kunye nekhono elinamandla lokuxutywa;Ukunamathela ngokugqwesileyo kwi-substrate yeplastiki;Ukuchasana kakuhle kweekhemikhali, ukuxhathisa kwamanzi kunye nokuxhathisa ukushisa;Ukumelana nemozulu okugqwesileyo;Ukuguquguquka okuhle;Isantya esiphakathi sokunyanga;Ukumanzisa kakuhle kunye nokulinganisa.
I-monomer ye-UV inokunyangwa kuphela xa ifakwe kwisisombululo seglue ngokukhanya kwe-ultraviolet, oko kukuthi, i-photosensitizer kwi-adhesive engenamthunzi iya kudityaniswa ne-monomer xa ibonakaliswe kukukhanya kwe-ultraviolet.Ngokwethiyori, i-adhesive engenamthunzi ayiyi kunyanga phantse ngonaphakade ngaphandle kwemisebe yomthombo wokukhanya kwe-ultraviolet.Imitha ye-Ultraviolet ivela kwindalo yelanga kunye nemithombo yokukhanya eyenziweyo.Okukhona i-UV yomelele, kokukhona isantya sokunyanga sikhawuleza.Ngokuqhelekileyo, ixesha lokunyanga livela kwi-10 ukuya kwi-60 imizuzwana.Ngokukhanya kwelanga kwemvelo, i-ultraviolet ray kwimozulu yelanga iya kuba namandla, kwaye ngokukhawuleza isantya sokunyanga sikhona.Nangona kunjalo, xa kungekho kukhanya kwelanga okunamandla, kuphela umthombo wokukhanya we-ultraviolet owenziweyo onokusetyenziswa.
Kukho iintlobo ezininzi zemithombo yokukhanya ye-ultraviolet eyenziweyo, kwaye umahluko wamandla nawo mkhulu kakhulu.Amandla aphantsi anokuba mancinci njengeewatts ezimbalwa, kwaye amandla aphezulu anokufikelela kumashumi amawaka eewatts.Isantya sokunyanga se-adhesive shadowless eveliswa ngabavelisi abahlukeneyo okanye iimodeli ezahlukeneyo zahlukile.I-adhesive engenamthunzi esetyenziselwa ukudibanisa inokunyangwa kuphela nge-irradiation elula.Ngoko ke, i-adhesive shadowless adhesive esetyenziselwa ukudibanisa inokudibanisa kuphela izinto ezimbini ezicacileyo okanye enye yazo kufuneka ibonakale, ukwenzela ukuba ukukhanya kwe-ultraviolet kudlule kwaye kukhanyise i-adhesive liquid;Faka i-Adhesive ye-UV engenamthunzi kwenye yemigangatho, vala iinqwelomoya ezimbini, kwaye ukhanyise isibane se-ultraviolet esinobude obufanelekileyo (ngokuqhelekileyo yi-365nm-400nm) kunye namandla okanye isibane soxinzelelo oluphezulu lwemercury ukuze sikhanyise.Xa i-irradiating, kuyimfuneko ukukhupha i-irradiate ukusuka kwiziko ukuya kwi-periphery, kwaye uqinisekise ukuba ukukhanya kunokungena ngokwenene kwindawo yokudibanisa.
Ixesha lokuposa: May-19-2022