Kokubili i-UV (ultraviolet) kanye ne-EB (electron beam) kusebenzisa imisebe ye-electromagnetic, ehlukile ekushiseni kwe-IR (infrared). Nakuba i-UV (Ultra Violet) kanye ne-EB (Electron Beam) zine-wavelengths ehlukene, zombili zingabangela ukuhlanganiswa kwamakhemikhali ezinzwaneni ze-inki, okungukuthi, ukuxhumanisa kwama-molecule amaningi, okuholela ekushiseni okusheshayo.
Ngokuphambene nalokho, i-IR curing isebenza ngokushisa uyinki, ikhiqiza imiphumela eminingi:
● Ukuhwamuka kwenani elincane le-solvent noma umswakama,
● Ukuthambisa ungqimba lweyinki kanye nokugeleza okwandisiwe, okuvumela ukumuncwa nokomiswa,
● Ukushiswa komhlaba okubangelwa ukushisa kanye nokuxhumana nomoya,
● Ukwelashwa ngamakhemikhali ayingxenye yama-resin namafutha anama-molecule amaningi ngaphansi kokushisa.
Lokhu kwenza ukuphulukiswa kwe-IR kube inqubo yokomisa enezinhlangothi eziningi nengxenye, kunokuba kube inqubo eyodwa ephelele yokuphulukisa. Uyinki osekelwe ku-solvent uyahluka futhi, njengoba ukuphulukiswa kwawo kufezwa ngo-100% ngokuhwamuka kwe-solvent ngosizo lokugeleza komoya.
Umehluko Phakathi Kokwelapha Nge-UV Ne-EB
Ukwelashwa kwe-UV kuhlukile ekunakekelweni kwe-EB ikakhulukazi ngokujula kokungena. Imisebe ye-UV inokungena okulinganiselwe; isibonelo, ungqimba lweyinki oluyi-4–5 µm ubukhulu ludinga ukwelapha okuhamba kancane ngokukhanya kwe-UV okunamandla aphezulu. Alukwazi ukwelashwa ngesivinini esiphezulu, njengamashidi angu-12,000–15,000 ngehora ekuphrintiweni kwe-offset. Ngaphandle kwalokho, ubuso bungase buphole ngenkathi ungqimba lwangaphakathi luhlala lungamanzi—njengeqanda elingaphekiwe kahle—okungabangela ukuthi ubuso buphinde buncibilike futhi bunamathele.
Ukungena kwe-UV nakho kuyahlukahluka kakhulu kuye ngombala weyinki. Uyinki we-Magenta nowe-Cyan ungena kalula, kodwa uyinki ophuzi nomnyama umunca ingxenye enkulu ye-UV, kanti uyinki omhlophe ubonakalisa i-UV eningi. Ngakho-ke, ukuhleleka kokufakwa kwemibala ekuphrintiweni kuthinta kakhulu ukucinywa kwe-UV. Uma uyinki omnyama noma ophuzi one-UV ephezulu emunca kakhulu ingaphezulu, uyinki obomvu noma oluhlaza okwesibhakabhaka ongaphansi ungase ungaphili ngokwanele. Ngakolunye uhlangothi, ukubeka uyinki obomvu noma oluhlaza okwesibhakabhaka phezulu kanye nophuzi noma omnyama ngaphansi kwandisa amathuba okucinywa okuphelele. Ngaphandle kwalokho, ungqimba ngalunye lombala lungadinga ukucinywa okuhlukile.
Ngakolunye uhlangothi, i-EB curing ayinawo umehluko oncike kumbala ekuphekeni futhi inokungena okunamandla kakhulu. Ingangena ephepheni, epulasitiki, nakwezinye izinto ezingaphansi komhlaba, futhi iphilise ngisho nezinhlangothi zombili zombhalo ngesikhathi esisodwa.
Izinto Ezibalulekile Okufanele Uzicabangele
Uyinki omhlophe ongaphansi komhlaba uyinselele kakhulu ekukhanyeni kwe-UV ngoba ubonakalisa ukukhanya kwe-UV, kodwa ukukhanyisa kwe-EB akuthinteki kulokhu. Lokhu kuyinzuzo eyodwa ye-EB kune-UV.
Kodwa-ke, ukuphulukisa kwe-EB kudinga ukuthi indawo engaphezulu ibe sendaweni engenawo umoya-mpilo ukuze kufezwe ukusebenza kahle okwanele kokuphulukisa. Ngokungafani ne-UV, engaphulukisa emoyeni, i-EB kumele ikhulise amandla angaphezu kokuphindwe kayishumi emoyeni ukuze kufezwe imiphumela efanayo—umsebenzi oyingozi kakhulu odinga izinyathelo zokuphepha eziqinile. Isixazululo esisebenzayo ukugcwalisa igumbi lokuphulukisa nge-nitrogen ukuze kususwe umoya-mpilo futhi kuncishiswe ukuphazamiseka, okuvumela ukuphulukisa okusebenzayo kakhulu.
Eqinisweni, ezimbonini ze-semiconductor, ukuthathwa kwezithombe ze-UV kanye nokuvezwa kuvame ukwenziwa emakamelweni agcwele i-nitrogen, angenawo umoya-mpilo ngesizathu esifanayo.
Ngakho-ke i-EB curing ifaneleka kuphela kumashidi ephepha amancane noma amafilimu epulasitiki ekufakweni kokumboza nokuphrinta. Ayifaneleki imishini yokunyathelisa efakwe amashidi enamaketanga omshini nama-gripper. I-UV curing, ngokuphambene nalokho, ingasebenza emoyeni futhi iyasebenza kakhulu, yize i-UV curing engenawo umoya-mpilo ingavamile ukusetshenziswa ekuphrinteni noma ekufakweni kokumboza namuhla.
Isikhathi sokuthunyelwe: Septhemba-09-2025
