Amalambu e-UV aphathwayo aphathwa ngesandla angamathuluzi asebenzisa imisebe ye-ultraviolet (UV) ukuze aqalise ukusabela kwamakhemikhali, ukulapha ngokushesha okunamathelayo, okunamathelayo, noma oyinki. Umgomo wabo oyinhloko wokusebenza ukusabela kwe-photochemical: imisebe ye-UV yobude obuthile bujabulisa i-photoinitiator, yona eyenza ukuthi ama-monomers noma ama-oligomers okubalulekile enze i-polymerize noma i-crosslink, ekugcineni yakhe i-coating eqinile.
Lawa madivayisi ngokuvamile asebenzisa izibani ze-mercury vapor noma imithombo yokukhanya ye-LED, namalambu omphunga we-mercury asetshenziswa kakhulu ngenxa yokusebenza kahle kwawo okuphezulu kwe-UV. Uma i-current idlula kumhwamuko we-mercury ngaphakathi kwesibani, ama-athomu e-mercury ajabulela ukuya-kusimo samandla aphezulu. Bese bebuyela esimweni esiphansi bese bekhipha imisebe ye-UV enamaza amaza agxile ku-365nm (UVA), 385nm, noma 405nm. Lawa maza wamaza e-UV enza kusebenze ama-photoinitiators ngempumelelo (afana ne-benzophenone noma i-benzoin ether), awenze abole futhi akhiqize ama-radicals mahhala noma ama-cations, aphinde aqalise ukwenziwa kwe-polymerization yezinto ze-resin.
Amalambu okwelapha e-UV aphathwayo aklanyelwe ukuphatheka nokulawula okunembile, ngokuvamile abonisa amandla aphumayo alungisekayo kanye nesikhathi sokuchayeka ukuze sivumelane nezidingo zokwelapha zezinto ezihlukahlukene. Isibonelo, imodi-yokuqina okuphansi ifanele ama-coatings amancane, kuyilapho imodi{2}}yokuqina isetshenziselwa ukwelapha ngokushesha izendlalelo eziwugqinsi. Ngaphezu kwalokho, amalambu esimanje e-LED UV elaphayo aya ngokuya eshintsha amalambu e-mercury endabuko ngenxa yokusebenzisa kwawo amandla aphansi, ukuphila isikhathi eside, kanye{4}nokusebenza kwamahhala kwe-mercury. Nokho, ububanzi bawo obuncane be-wavelength budinga amasistimu athile we-photoinitiator.
Phakathi nenqubo yokufaka isicelo, opharetha kufanele aqinisekise ukuthi ukukhanya kwe-UV kukhanyisa ngokulinganayo indawo ukuze kwelashwe ukuze kugwenywe izithunzi noma ukuvuza kokukhanya okungaholela ekwelapheni okungaphelele. Ngaphezu kwalokho, ngenxa yokuthi ukukhanya kwe-UV kuyingozi esikhumbeni nasemehlweni womuntu, okokusebenza kuvame ukufaka izindlela zokuphepha ezifana nama-alamu anesikhathi noma izihlungi zamehlo.
Kafushane, amalambu aphathwayo e-UV aphathwayo, ngokulawula ngokunembile imisebe ye-UV kanye nezinto zokuphulukisa ngokuphumelelayo, asetshenziswa kabanzi ezinhlelweni ezinjengokuhlanganiswa kwe-elekthronikhi, ukubuyiselwa kwamazinyo, kanye nezingubo zezimboni. Ukuthuthuka okuqhubekayo kwezobuchwepheshe kuqhuba ukuthuthukiswa kokukhiqiza nokulungisa ngokushesha.
