Itekhnoloji ye-UV ithathwa ngabaninzi njengetekhnoloji "ezayo kwaye izayo" yokunyanga iingubo zamashishini. Nangona inokuba yinto entsha kwabaninzi kumzi mveliso wemizi-mveliso kunye neemoto, sele ikhona ngaphezulu kweminyaka engamashumi amathathu kwamanye amashishini…
Itekhnoloji ye-UV ithathwa ngabaninzi njengetekhnoloji "ezayo kwaye izayo" yokunyanga iingubo zamashishini. Nangona inokuba yinto entsha kwabaninzi kumzi mveliso wemizi-mveliso kunye neemoto, sele ikhona iminyaka engaphezu kwamashumi amathathu kwamanye amashishini. Abantu bahamba ngeemveliso zomgangatho wevinyl ezigqunywe nge-UV yonke imihla, kwaye uninzi lwethu lunazo emakhayeni ethu. Itekhnoloji yokunyanga ye-UV ikwadlala indima enkulu kumzi-mveliso we-elektroniki wabathengi. Umzekelo, kwimeko yeeselfowuni, itekhnoloji ye-UV isetyenziswa ekugqumeni kwezindlu zeplastiki, iingubo zokukhusela izixhobo zombane zangaphakathi, izinto ezincamathelayo ze-UV kunye nakwimveliso yezikrini zemibala ezifumaneka kwezinye iifowuni. Ngokukwanjalo, i-fiber optical kunye neDVD/CD amashishini asebenzisa iingubo ze-UV kunye ne-adhesives ngokukodwa kwaye ngekhe ibekho njengoko sizazi namhlanje ukuba itekhnoloji ye-UV ibingayenzanga uphuhliso lwabo.
Ke yintoni ukunyanga kweUV? Okulula kakhulu, yinkqubo yokudibanisa (ukunyanga) iingubo ngenkqubo yekhemikhali eqalwe kwaye igcinwe ngamandla e-UV. Ngaphantsi komzuzu into yokugquma iyaguqulwa isuke kulwelo ibe sisiqina. Kukho iiyantlukwano ezisisiseko kwezinye zezinto ezikrwada kunye nokusebenza kwiintlaka zokwaleka, kodwa ezi ziyabonakala kumsebenzisi wokwambathisa.
Izixhobo zokusetyenziswa eziqhelekileyo ezifana ne-air-atomized spray guns, i-HVLP, iintsimbi ezijikelezayo, i-flow coating, i-roll coating kunye nezinye izixhobo zisebenzisa iingubo ze-UV. Nangona kunjalo, endaweni yokungena kwi-oven eshushu emva kokufakwa kwe-coat kunye ne-solvent flash, ukugquma kunyangwa ngamandla e-UV aveliswa ziinkqubo zezibane ze-UV ezicwangciswe ngendlela ekhanyisa i-coat kunye nenani elincinci lamandla afunekayo ukufezekisa unyango.
Iinkampani kunye namashishini asebenzisa iimpawu zetekhnoloji ye-UV ziye zazisa ixabiso elingaqhelekanga ngokubonelela ngemveliso esulungekileyo kunye nemveliso ephezulu ngelixa iphucula inzuzo.
Ukusebenzisa iimpawu zeUV
Zeziphi iimpawu ezingundoqo ezinokusetyenziswa? Okokuqala, njengoko bekutshiwo ngaphambili, ukunyanga kukhawuleza kakhulu kwaye kunokwenziwa kwiqondo lobushushu begumbi. Oku kuvumela ukunyangwa ngokufanelekileyo kwee-substrates ezithintela ukushisa, kwaye zonke iingubo zinokunyangeka ngokukhawuleza. Ukunyangwa kwe-UV sisitshixo kwimveliso ukuba isithintelo (intamo yebhotile) kwinkqubo yakho lixesha elide lokunyanga. Kwakhona, isantya sivumela inkqubo eneenyawo ezincinci kakhulu. Ukuthelekisa, isambatho esiqhelekileyo esifuna ukubhaka kwemizuzu engama-30 ngesantya somgca we-15 fpm sidinga i-450 ft yokuhambisa kwi-oveni, ngelixa i-UV ephilisiwe i-UV inokufuna kuphela i-25 ft (okanye ngaphantsi) yokuhambisa.
Ukusabela kwe-UV cross-linking kunokubangela isambatho esinokuqina okuphezulu komzimba. Nangona iingubo zingenziwa zibe nzima kwizicelo ezinje ngomgangatho, zisenokwenziwa ukuba zibe bhetyebhetye kakhulu. Zombini iintlobo zeengubo, ezinzima kwaye ziguquguqukayo, zisetyenziselwa ukusetyenziswa kweemoto.
Ezi mpawu ziqhuba uphuhliso oluqhubekayo kunye nokungena kobuchwephesha be-UV kwiingubo zeemoto. Ewe kunjalo, kukho imiceli mngeni eyayanyaniswa nokunyangwa kwe-UV yeengubo zamashishini. Inkxalabo ephambili kumnini wenkqubo kukukwazi ukuveza zonke iindawo zamalungu anzima kumandla e-UV. Umphezulu opheleleyo wengubo kufuneka ubonakaliswe kumandla amancinci e-UV afunekayo ukunyanga i-coating. Oku kufuna ukuhlalutya ngokucokisekileyo inxalenye, i-racking of parts, kunye nokucwangciswa kwezibane zokuphelisa iindawo zomthunzi. Nangona kunjalo, kubekho ukuphucuka okubalulekileyo kwizibane, izixhobo eziluhlaza kunye neemveliso ezenziweyo ezoyisa uninzi lwezi zithintelo.
I-Automotive Forward Lighting
Ukusetyenziswa kweemoto ezithile apho i-UV ibe yitekhnoloji esemgangathweni kwishishini lokukhanyisa phambili kwi-automotive, apho iingubo ze-UV zisetyenziswe iminyaka engaphezu kwe-15 kwaye ngoku iyala i-80% yemarike. Izibane zentloko zenziwe ngamacandelo amabini aphambili afuna ukugqunywa - i-polycarbonate lens kunye ne-reflector housing. I-lens ifuna i-coat eqinile kakhulu, ekwazi ukumelana nokukhuhla ukukhusela i-polycarbonate kwi-elementi kunye nokuxhatshazwa ngokomzimba. Indlu yesibonisi ine-basecoat ye-UV (i-primer) etywina i-substrate kwaye ibonelele nge-ultra-smooth surface ye-metallization. Imakethi ye-reflector basecoat ngoku ngokuyimfuneko i-100% i-UV yanyanga. Ezona zizathu ziphambili zokwamkelwa kwabantwana ziye zaphuculwa imveliso, inkqubo encinci yonyawo kunye neempawu eziphezulu zokusebenza.
Nangona izinto zokwaleka ezisetyenzisiweyo zinyangekile yi-UV, zinento yokunyibilikisa. Nangona kunjalo, uninzi lwe-overspray lubangwa kwakhona kwaye luphinde lusetyenziswe kwakhona kwinkqubo, ukufikelela kufutshane ne-100% yokudluliselwa ngokufanelekileyo. Ingqwalasela yophuhliso lwexesha elizayo kukunyusa i-solids kwi-100% kunye nokuphelisa imfuno ye-oxidizer.
Amacandelo ePlastiki angaphandle
Esinye sezicelo ezingaziwayo kukusetyenziswa kwengubo ecacileyo ye-UV enyangekayo ngaphezulu kokubunjwa kwecala lomzimba elibunjwe ngombala. Ekuqaleni, olu tyaba lwaphuhliswa ukunciphisa umthubi ekuvezweni kwangaphandle kokubumba kwecala lomzimba wevinyl. Ukugquma kwakufuneka kube nzima kakhulu kwaye kube bhetyebhetye ukugcina ukunamathela ngaphandle kokuqhekeka kwizinto ezibetha ukubumba. Abaqhubi bokusetyenziswa kweengubo ze-UV kwesi sicelo sisantya sonyango (inkqubo encinci yeenyawo) kunye neempawu zokusebenza eziphezulu.
Iiphaneli zoMzimba we-SMC
Ikhompawundi yokubumba i-Sheet (SMC) yimathiriyeli edityanisiweyo eye yasetyenziswa njengenye indawo yentsimbi ngaphezu kweminyaka engama-30. I-SMC iqulethe i-glass-fiber-ezaliswe yi-polyester resin ethe yaphoswa kumaphepha. Emva koko la maphepha afakwe kwi-compression mold kwaye ayenze iipaneli zomzimba. I-SMC inokukhethwa ngenxa yokuba yehlisa iindleko zezixhobo zokuqhuba imveliso encinci, inciphisa ubunzima, ibonelela nge-dent kunye nokumelana nomhlwa, kwaye inika ububanzi obukhulu kwiistylists. Nangona kunjalo, omnye wemicelimngeni ekusebenziseni i-SMC kukugqitywa kwenxalenye kwindawo yokudibanisa. I-SMC yi-substrate ene-porous. Xa iphaneli yomzimba, ngoku ikwisithuthi, idlula kwi-oveni yepeyinti ecocekileyo, isiphene sepeyinti esaziwa ngokuba yi "porosity pop" singenzeka. Oku kuya kufuna ubuncinci ukulungiswa kwendawo, okanye ukuba kukho "iipopu" ezaneleyo, ukupeyintwa ngokupheleleyo kweqokobhe lomzimba.
Kwiminyaka emithathu eyadlulayo, kwiinzame zokuphelisa esi siphene, ii-BASF Coatings zathengisa i-UV/thermal hybrid sealer. Isizathu sokusebenzisa unyango lwe-hybrid kukuba i-overspray iya kuphiliswa kwiindawo ezingabalulekanga. Inyathelo eliphambili lokuphelisa "i-porosity pops" kukuvezwa kwamandla e-UV, kwandisa kakhulu ukuxinana kwe-cross-link ye-coating eveziweyo kwiindawo ezibalulekileyo. Ukuba isitywini asifumani ubuncinci bamandla e-UV, ukwambathisa kusadlula zonke ezinye iimfuno zokusebenza.
Ukusetyenziswa kwetekhnoloji yokunyanga kabini kulo mzekelo kubonelela ngeempawu ezintsha zokugquma ngokusebenzisa ukunyanga kwe-UV ngelixa ubonelela ngento yokhuseleko yokwaleka kwisicelo sexabiso eliphezulu. Esi sicelo asibonisi nje kuphela indlela itekhnoloji ye-UV enokubonelela ngayo ngeempawu zokugquma ezizodwa, ikwabonisa ukuba inkqubo yokugquma enyangwa yi-UV iyasebenza kwixabiso eliphezulu, elinomthamo ophezulu, omkhulu kunye neendawo ezintsonkothileyo zeemoto. Oku kugquma kusetyenziswe malunga neepaneli zomzimba ezimalunga nesigidi.
OEM Clearcoat
Ngokungathandabuzekiyo, icandelo lentengiso yetekhnoloji ye-UV enokubonakala okuphezulu kakhulu yiphaneli yomzimba yangaphandle yodidi A. Inkampani yeFord Motor ibonise ubuchwephesha be-UV kwisithuthi somzekelo, i-Concept U imoto, kuMboniso wezoThutho waMazwe ngaMazwe waseMntla Melika ngo-2003. Ubuchwephesha bokugquma obubonakalisiweyo yayiyi-clearcoat enyangwa yi-UV, yaqulunqwa yaze yanikezelwa ngu-Akzo Nobel Coatings. Olu tyaba lwasetyenziswa kwaye lwanyangwa phezu kweepaneli zomzimba ngamnye ezenziwe ngezinto ezahlukeneyo.
E-Surcar, inkulumbuso yenkomfa yokugquma iimoto emhlabeni wonke eyayibanjwa minyaka le eFransi, zombini i-DuPont Performance Coatings kunye ne-BASF banike iinkcazo-ntetho ngo-2001 nango-2003 ngetekhnoloji yokunyanga i-UV yeemoto ezicacileyo. Umqhubi wolu phuhliso kukuphucula umba wokwaneliseka komthengi ophambili wepeyinti-ukukrala kunye nokumelana ne-mar. Zombini iinkampani zenze i-hybrid-cure (i-UV & thermal) yokwambathisa. Injongo yokulandela indlela yetekhnoloji exutyiweyo kukunciphisa ubunzima benkqubo yokunyanga ye-UV ngelixa ufezekisa iipropati zokusebenza ekujoliswe kuzo.
Zombini iDuPont kunye neBASF zifakele iintambo zolingo kumaziko azo. Umgca weDuPont eWuppertal unamandla okunyanga imizimba epheleleyo. Akunjalo kuphela ukuba iinkampani zokugquma kufuneka zibonise ukusebenza kakuhle kweengubo, kufuneka zibonise isisombululo somgca wepeyinti. Enye yezinye izibonelelo zokunyanga kwe-UV/thermal ezikhankanywe yiDuPont kukuba ubude besahlulo se-clearcoat yomgca wokugqiba sinokuncitshiswa nge-50% ngokulula ngokunciphisa ubude be-oven eshushu.
Ukusuka kwicala lobunjineli, i-Dürr System GmbH inike inkcazo ngoluvo lwesityalo esidityanisiweyo sokunyanga kwe-UV. Enye yezinto eziguquguqukayo eziphambili kule ngcamango yayiyindawo yenkqubo yokunyanga ye-UV kumgca wokugqiba. Izisombululo ezinobunjineli zibandakanya indawo yezibane ze-UV ngaphambi, ngaphakathi okanye emva kwe-oveni eshushu. UDürr uvakalelwa kukuba kukho izisombululo zobunjineli kuninzi lweenketho zenkqubo ezibandakanya uqulunqo lwangoku oluphantsi kophuhliso. IiNkqubo ze-UV ze-Fusion zibonise isixhobo esitsha-ikhompyuter yokulinganisa inkqubo ye-UV yokunyanga imizimba yeemoto. Olu phuhliso lwenzelwe ukuxhasa kunye nokukhawulezisa ukwamkelwa kobuchwephesha bokunyanga i-UV kwiiplanti zendibano.
Ezinye ii-aplikeshini
Umsebenzi wophuhliso uyaqhubeka kwiingubo zeplastiki ezisetyenziselwa izinto zangaphakathi zeemoto, iingubo zamavili e-alloy kunye nezigqubuthelo zamavili, iingubo ezicacileyo phezu kweendawo ezinkulu ezibunjiweyo ezinombala kunye neendawo ezingaphantsi kwe-hood. Inkqubo ye-UV iyaqhubeka nokuqinisekiswa njengeqonga elizinzileyo lokunyanga. Ekuphela kwento etshintshayo kukuba iingubo ze-UV zihambela phezulu ukuya kwiindawo ezintsonkothileyo, ezinexabiso eliphezulu. Ukuzinza kunye nokusebenza kwexesha elide lenkqubo kubonakaliswe ngesicelo sokukhanyisa phambili. Yaqala kwiminyaka engama-20 eyadlulayo kwaye ngoku ikumgangatho weshishini.
Nangona itekhnoloji ye-UV inento abanye bacinga ukuba "yinto epholileyo", into efunwa lishishini ngobuchwephesha kukubonelela ngezisombululo ezingcono kwiingxaki zabagqibayo. Akukho mntu usebenzisa itekhnoloji ngenxa yetekhnoloji. Kufuneka inikezele ngexabiso. Ixabiso linokuza ngohlobo lwemveliso ephuculweyo ehambelana nesantya sonyango. Okanye inokuvela kwiipropathi eziphuculweyo okanye ezintsha ongakhange ukwazi ukuzifumana ngobuchwephesha bangoku. Inokuvela kwikhwalithi ephezulu yexesha lokuqala kuba i-coating ivulekele ukungcola ixesha elincinci. Inokubonelela ngeendlela zokunciphisa okanye ukuyiphelisa i-VOC kwiziko lakho. Itekhnoloji inokuhambisa ixabiso. Umzi-mveliso we-UV kunye nabagqibayo kufuneka baqhubeke nokusebenza kunye ukwenza izisombululo eziphucula umgca osezantsi womgqibezeli.
Ixesha lokuposa: Mar-14-2023
