Indima ebalulekile yokuqapha ukuqina kwe-UV yezibani zokuphulukisa ze-UV LED ephrinta ye-inkjet

Njengoba ubuchwepheshe bokuphrinta be-inkjet buqhubeka nokuthuthuka, izibani zokuphulukisa ze-UV LED ziye zavela njengezingxenye ezibalulekile emisebenzini yanamuhla yokukhiqiza. Ngokuqinisa ngokushesha ama-inki nokumbozwa kwe-UV, lezi zibani zisheshisa isivinini sokuphrinta, zithuthukise ubukhali besithombe, futhi zithuthukise ukuqina komkhiqizo jikelele. Kodwa-ke, ukufeza imiphumela esezingeni eliphakeme njalo nokugcina ukusebenza kahle kwenqubo, kubalulekile ukukala njalo nokuqinisekisa ukukhishwa kwe-UV kwalezi zibani. Kulesi sihloko, sihlola izimiso eziyisisekelo ngemuva kokuphulukiswa kwe-UV LED, sichaza ukuthi kungani ukuhlolwa kokuqina okujwayelekile kubalulekile, sihlole izinto ezibalulekile ezithinta ukukhishwa kwe-UV, futhi sichaze amathuluzi nemikhuba emihle yokugcina izimo ezinhle zokuphulukisa.

1. Ukubuka konke kwe-UV LED Curing ku-Inkjet Printing

1.1 Kuyini ukwelashwa kwe-UV LED?
Ukuphulukisa kwe-UV LED kuhlanganisa ukukhanya kwe-ultraviolet okukhishwa ngama-diode akhethekile okukhipha ukukhanya (ama-LED) ukudala ukusabela okusheshayo kwe-photochemical ngaphakathi kwama-inki azwela i-UV nokugqoka. Lezi zakhiwo ziqukethe ama-photoinitiators amunca ama-wavelengths e-UV-A (imvamisa kuma-365 nm, 385 nm, 395 nm, noma ama-405 nm bands) futhi akhiqize ama-radicals wamahhala lapho echayeka. Ama-radicals wamahhala, nawo, aqala i-polymerization kanye ne-crosslinking, eguqula inkinobho esekwe kuketshezi ibe yifilimu eqinile, ephulukisiwe ngokuphelele nge-millisecond noma imizuzwana.

1.2 Kungani Ukuphrinta kwe-Inkjet Kuncike kubuchwepheshe
be-UV LED Kuzicelo ze-inkjet-ezisukela kwizimpawu zezohwebo nokupakisha ukukhiqizwa kwelebula nokuphrinta kwendwangu-ikhono lokuphulukisa inkinobho ngokushesha lapho kufakwa inikeza izinzuzo eziningana ezibalulekile:

• Ukuguqulwa okusheshayo: Ukuphulukiswa okusheshayo kuqeda isidingo sezikhathi ezinde zokomisa noma ama-oveni omiswe angaphandle, okuvumela ama-substrates aphrintiwe ukuthi adlule emgqeni wokukhiqiza ngaphandle kokulibala.
• Ikhwalithi Yesithombe Ebukhali: Ngoba inki iyaqina lapho ixhumana ne-substrate, kukhona ukusabalala okuncane kwamachashazi. Lokhu kuholela emaphethelweni acwebezelayo, imininingwane emihle, nokuminyana kombala ogqamile.
• Ukuqina okuthuthukisiwe: I-inki exhunywe ngokuphelele ikhombisa ukumelana okuphezulu nemihuzuko, ukuklwebha, umswakama, nokuchayeka kwamakhemikhali, okwenza kube kuhle kuzicelo ezidinga ukuqina kwesikhathi eside.
• Ukuhambisana kwe-substrate enwetshiwe: Izinhlelo ze-UV LED zisebenza emazingeni okushisa aphansi (uma kuqhathaniswa nezibani ezijwayelekile ze-mercury), okwenza ukuphrinta ezintweni ezizwela ukushisa njengamafilimu epulasitiki amancane, amabhodi egwebu, noma amaphepha athile ahlanganisiwe ngaphandle kwengozi yokugoqa noma ukuncipha.

2. Kungani ukuhlolwa okujwayelekile kwe-UV Intensity Kubalulekile

Yize izibani zokuphulukisa ze-UV LED zidume ngokuphila kwazo isikhathi eside-zivame ukulinganiswa ngamahora okusebenza angama-20,000 kuya kwangama-30,000-ukukhishwa kwabo kwe-UV kuyancipha ngokuhamba kwesikhathi. Ngisho nokwehla okubonakalayo okuncane kokuqina kungahumusha kuyinki ongalapheki, ukunamathela okuphazamisekile, noma ukubukeka kokuphrinta okungaphansi. Nazi izizathu eziyinhloko zokuthi kungani ukuqapha okujwayelekile kokuqina kwe-UV kungadingeki

1. Ukuqinisekisa ukusebenza kokuphulukisa okungaguquguquki
   Njengoba ama-diode e-LED eguga, ingqikithi ye-UV irradiance (elinganiswa ngama-milliwatts ngesentimitha ngalinye, mW / cm²) iwela kancane kancane. Uma umugqa wokuphrinta uqhubeka ugijima ngaphandle kokulungiswa, izingqimba zeyinki zingase zingafinyeleli i-polymerization egcwele. I-inki engaphulukiwe ivame ukuzizwa i-tacky ekuthinteni, ikhombisa ukumelana nokuklwebha okuphansi, futhi ingase ithuthukise nokuqhekeka noma i-delamination ngokuhamba kwesikhathi. Ngokulinganisa ukukhishwa kwe-UV yesibani ngezikhathi ezibekiwe-masonto onke, amasonto amabili, noma ngokuya ngevolumu ephrintiwe-opharetha bangathola amaconsi anenjongo ekukhanyeni ngaphambi kokuba kuthinte ikhwalithi yomkhiqizo.
2. Ukugcina ukuthembeka kombala nokuqina kwesithombe
   Lapho ukuqina kwe-UV kwehla ngaphansi komkhawulo wokuphulukisa okunconyiwe ngumkhiqizi, amachashazi aphrintiwe angaphuma igazi, okuholele emiphethweni ehlanzekile, ukugcwala kombala okuncishisiwe, noma amazinga ecwebezelayo angalingani. Lokhu kubaluleke kakhulu ekuphrintiweni kobuciko obuhle, ukupakisha okusezingeni eliphezulu, namalebula akhethekile, lapho ukungaguquguquki okubonakalayo kubalulekile. Ngokugcina okukhiphayo kwe-UV ngaphakathi kwebanga elithile, opharetha bacindezela baqinisekisa ukuthi amaphrofayli wombala ahlala enembile kusuka eshidi lokuqala kuya kokugcina.
3. Ukwandisa ukusebenza kahle kokukhiqiza
   Uma okukhiphayo kwesibani kuncipha kancane kancane futhi kunganakwa, opharetha angase akhuphule ngokungaziwa isikhathi sokuhlala komugqa wokuphrinta (isivinini se-substrate esihamba kancane) noma adalule ngokweqile inki ngenhloso yokunxephezela. Zombili lezi zimo—ukunciphisa umugqa noma "ukwelapha ngokweqile"—zishayela ukusetshenziswa kwamandla futhi zinciphise ukuhamba. Ukuhlolwa kokuqina okufika ngesikhathi kuvumela umugqa wokuphrinta ukuthi ugijime ngesivinini esihle, ukunciphisa isikhathi sokukhiqizwa nokuchitha amandla.
4. Ukwandisa isikhathi sokuphila kwesibani nokunciphisa izindleko
   Ngokulandelela ukukhanya kwe-UV, ochwepheshe bangahlela ukushintshwa kwekhanda lesibani noma ukungenelela kwesevisi ngokushesha. Ezimweni eziningi, ukufaka esikhundleni semodyuli ye-LED eseduze kokuphela kwempilo ngaphambi kokuthi yehluleke ngokuphelele kubiza kakhulu kunokuzama ukushintshaniswa okuphuthumayo, okungamisa ukukhiqizwa amahora noma izinsuku.
5. Ukuhambisana nezindinganiso zezimboni nezidingo zokulawula
   Izinhlelo ezithile zokuphrinta—ikakhulukazi lezo ezibandakanya ukupakisha ukudla, ukulebula kwedivayisi yezokwelapha, noma izimpawu zangaphandle—zigunyaza ukunamathela ngokuqinile ekucacisweni kokwelapha. Imithamo enganele ye-UV ingaholela ekuhlanganisweni kwe-inki okungaphelele, okungahle kube yi-leaching ama-monomers angalapheki noma ama-photoinitiators ngokuhamba kwesikhathi. Izinhlangano eziningi zezimboni zishicilele imihlahlandlela yemithamo emincane ye-UV ukufeza ukuhambisana nomthetho. Izilinganiso zamandla ezijwayelekile zisiza ukuqinisekisa ukuthi isibani siyaqhubeka nokuletha umthamo wamandla odingekayo kuyo yonke impilo yayo yokusebenza.

3. Izici eziyinhloko ezithinta ukuqina kwesibani se-UV LED

Ukuqonda ukuthi kungani futhi kanjani ukukhishwa kwe-UV kuyisinyathelo sokuqala ekuphathweni okusebenzayo kokuqina. Lezi zici ezilandelayo zidlala indima ebalulekile ekunqumeni nasekuguquleni ukukhanya komhlaba wangempela kwesibani sokuphulukisa se-UV LED:

1. Ukuguga kwe-LED Diode Ngenkathi
   ama-chips anamuhla e-UV LED aziqhayisa ngokuphila okulinganiswe ngamashumi ezinkulungwane zamahora, kancane kancane alahlekelwa ukusebenza kahle. Izinto ze-semiconducting ezikhipha ama-photon e-UVA ziyancipha ngaphansi kokusebenza okuqhubekayo kwamanje okuphezulu. Ngokuhamba kwesikhathi, ukukhanya okuncane kukhishwa ukufakwa okufanayo kukagesi, okuholela ekunciphiseni amandla okuphulukisa. Ijika lokuwohloka livame ukuhamba kancane kancane ekuqaleni, bese lisheshisa lapho umkhawulo othile (isb., I-60% yokukhishwa kokuqala) ifinyelelwe.
2. Ukusebenza kahle
   kwe-UV LED kuncike kakhulu ekushiseni okushisa. Njengoba amazinga okushisa e-junction edlula ukucaciswa kokuklama (imvamisa ezungeze i-45 ° C kuya ku-55 ° C), ukusebenza kahle kwangaphakathi kwe-chip ye-LED kuyawa, kunciphisa ukukhishwa kwe-photon. Uma uhlelo lokupholisa lwesibani - noma ngabe ukushisa okupholile emoyeni, abalandeli bomoya ophoqelelwe, noma ama-loops okupholisa amanzi - kuvalwe uthuli noma ukungasebenzi kahle, ukubaleka okushisayo kungasheshisa ukwehla kokukhishwa futhi kunciphise impilo yesibani. Ngakho-ke, ukuqapha kokubili ukuqina kwe-UV kanye nokushisa kokusebenza kubalulekile.
3. Izimo ezizungezile (umswakama nothuli)
   Amazinga aphakeme omswakama angathinta amabhodi kagesi, izixhumi, kanye nezixhumanisi ezibonakalayo, kwesinye isikhathi okuholela ekufingqa kwamanzi noma ekugqwalini ngokuhamba kwesikhathi. Ngokufanayo, uthuli nezinhlayiya ezinhle ezihlala efasiteleni le-quartz noma lesafire elimboza uchungechunge lwe-LED zingavimba noma zisabalalise ama-photon e-UVA, zinciphise ukukhanya okusebenzayo ebusweni be-substrate. Ukuhlanza njalo izindawo ezibonakalayo nokugcina umswakama ofanele wefektri (imvamisa i-40% kuya ku-60%) kusiza ukugcina ukukhishwa okungaguquguquki.
4. 
   Izibani ze-UV LED zithembele kumandla azinzile we-DC ku-voltage efanele namanje. Ukuguquguquka kwe-voltage yokufaka (isb., Ukucwiliswa okubangelwa yimishini ephezulu ehamba ngebhayisikili ivuliwe / evaliwe) noma iyunithi yokuphakelwa kwamandla ehluleka (i-PSU) inganciphisa okwesikhashana noma unomphela amandla alethwa kuma-LED, okuholela ekuqineni okuphansi kwe-UV. Izinhlelo eziningi zanamuhla zokuphulukisa zifaka isifunda sokuqapha esilinganisa ama-voltages okunikezwa ngesikhathi sangempela. Uma i-PSU ingakwazi ukugcina i-current engaguquguquki ku-voltage elinganisiwe, ukukhishwa kwe-UV kwesibani kuzohlupheka ngokungangabazeki.
5. I-Optical Lens ne-Window Wear
   Ezinyangeni zokusebenza okuqhubekayo, iwindi elivikelayo noma ilensi ebonakalayo lingathuthukisa imihuzuko encane, ukuphuzi okuncane, noma idiphozithi kusuka ku-inki ngokweqile. Ngisho nokuwohloka okuncane kwe-optical kungasabalalisa ukukhanya kwe-UVA noma kushintshe iphethini yayo yokukhipha, kunciphise ukufana namandla ensimu yokuphulukisa. Ukuhlola futhi, uma kunesidingo, ukufaka esikhundleni samawindi e-optical ngokuhambisana nezincomo zomkhiqizi kuyisinyathelo esibucayi sokugcinwa.
6. Ukuguquguquka kokuhlanganiswa kwesistimu
   Kwamanye amapulatifomu e-inkjet, ibanga phakathi kwewindi lesibani ne-substrate lingashintsha ngenxa ye-servo drift, ukugqoka ibhande lokuhambisa, noma ukulungiswa kwesandla ekusethweni kokucindezela. Ngoba ukukhanya kwe-UV kuyancipha ngebanga (ngokulandela umthetho wesikwele esiguquguqukayo noma oseduze, ngokuya nge-optics), ngisho ne-millimeter noma ezimbili zegebe elengeziwe lingahumusha libe ukwehla okulinganiswayo kwamandla e-UV alethwe. Ngakho-ke, ukuqinisekisa ukuthi isikhala se-lamp-to-substrate sihlala ngaphakathi kokubekezelelana kokuklama kubalulekile.

4. Amathuluzi namasu okulinganisa okukhiphayo kwe-UV

Ukuze ugcine isibani sokuphulukisa se-UV LED ekusebenzeni okuphezulu, amaphrinta kufanele asebenzise amathuluzi athembekile nezinqubo ezihlelekile zokuthwebula idatha yokuqina kwe-UV. Ngezansi kukhona amathuluzi nemikhuba esetshenziswa kakhulu:

1. 
   I-radiometer ye-UV ephathwayo iyithuluzi elizinikezele elilinganisa ukukhanya ku-mW / cm². Imvamisa iqukethe i-photodiode elinganisiwe noma inzwa elungiselelwe ubude obuphezulu bokukhishwa kwesibani. Ukuthatha isilinganiso, opharetha ubeka inzwa ebangeni elifanayo (ne-engela) lapho i-substrate izodlula khona ngesikhathi sokukhiqiza, isebenze isibani, futhi iqophe ukufundwa. Ama-radiometer amaningi akhombisa ukukhanya okusheshayo, futhi amamodeli aphezulu nawo angahlanganisa umthamo ophelele we-UV ngesikhathi esibekiwe.
2. 
   Emigqeni yokucindezela ezenzakalelayo ngokuphelele, izinzwa ze-UV ezi-inline zibekwe endaweni eyodwa noma ngaphezulu ngaphansi kwesibani sokuphulukisa, zihlala zisampula ukukhishwa kwe-UV njengoba ukukhiqizwa kugijima. Lezi zinzwa zivame ukwakhiwa ohlelweni lokuhambisa futhi zifaka idatha yesikhathi sangempela ngephaneli yokulawula yabezindaba noma i-PLC yangaphandle. Uma ukukhanya kwehla ngaphansi komkhawulo ochazwe ngaphambilini, uhlelo lungaxwayisa ngokuzenzakalelayo opharetha, lunciphise umugqa, noma lumise ukuphrinta kuze kube yilapho ukusebenza kwesibani kubuyiselwa.
3. Ukuhlanganisa ama-radiometer
   Ngezinhlelo zokusebenza ezidinga kokubili ukukhanya (ukuminyana kwamandla) kanye nomthamo (amandla ngokuhamba kwesikhathi), ukuhlanganisa ama-radiometer athatha womabili amamethrikhi. Lawa madivayisi aqopha ukukhanya ngokuqhubekayo futhi abala amandla aphelele anikezwe ungqimba lweyinki ngesikhathi esinikeziwe sokuvezwa. Idatha enjalo iwusizo ikakhulukazi kuma-inks amakhulu noma ukumbozwa okudinga umthamo omncane we-UV (isb., 300 mJ / cm²) ukufeza ukwelashwa okugcwele.
4. Amakhamera we-Thermal Imaging (Ukusetshenziswa Okungeziwe)
   Izithombe ezishisayo azilinganisi ngokuqondile ukuqina kwe-UV, kepha kusiza ukuqinisekisa ukuthi ukushisa kwesibani kanye nohlelo lokupholisa lusebenza kahle. Ngokuskena ikhanda lesibani ngekhamera ye-infrared, ochwepheshe bangakwazi ukukhomba izindawo ezishisayo ezingakhombisa ukugeleza komoya okuvinjiwe, abalandeli abahlulekayo, noma ukuwohloka kwesikhombimsebenzisi esishisayo. Ukugcina izinga lokushisa elifanele lokusebenza ngokungaqondile lisekela ukukhishwa kwe-UV okungaguquguquki.

5. Ukusungula i-UV Intensity Maintenance Protocol

Ukusebenzisa uhlelo oluhlelekile lokugcinwa nokuqapha kuyindlela engcono kakhulu yokuvikela ikhwalithi yomkhiqizo nokwandisa impilo yesibani. Ngezansi kuyisibonelo sephrothokholi ukuthi izitolo zokuphrinta zingazivumelanisa nemvelo yazo ethile yokusebenza:

1. Ukulinganisa
   Okuyisisekelo • Ukusetha Kokuqala: Lapho isibani esisha se-UV LED sifakiwe (noma ngemuva kokushintshwa kwekhanda lesibani), sebenzisa isibani imizuzu eyi-10 ukuze ufinyelele izinga lokushisa elizinzile lokusebenza.
   • Isisekelo sokurekhoda: Sebenzisa i-radiometer ye-UV elinganisiwe ukukala ukukhanya endizeni ye-substrate (isb., 5 mm ngezansi kwewindi lesibani) ezindaweni eziningana ezihlukaniswe ngokulinganayo (kwesobunxele, isikhungo, kwesokudla). Linganisa la manani ukusungula i-irradiance eyisisekelo. Bhala usuku, imodeli yesibani, ukusethwa kwamandla, izinga lokushisa elizungezile, nomswakama.
2. Amasheke ajwayelekile masonto
   onke• Isikhathi sokufudumala: Vumela isibani sisebenze okungenani imizuzu emihlanu ngaphambi kokulinganisa.
   • Isheke le-Single-Point: Beka inzwa ye-radiometer endaweni ephakathi ngaphansi kwesibani bese uqopha ukufundwa kwe-irradiance. Qhathanisa nomugqa oyisisekelo.
   • Isenzo Somkhawulo: Uma ukukhanya kwehle ngaphezu kwe-10% kusuka esisekelweni, hlela ukuhlolwa okuphelele (bheka ngezansi).
3. Ukuhlolwa okuningiliziwe kwanyanga
   zonke • Imephu yamaphuzu amaningi: Yenza izilinganiso ze-irradiance ngakwesobunxele, maphakathi, nakwesokudla ngaphansi kwesibani ukuthola noma yikuphi ukuwohloka okungalingani ku-array ye-LED.
   • I-Optical Window Check: Hlola ngokubonakalayo uthuli, ama-smudges, noma imihuzuko. Hlanza noma ushintshe iwindi uma kunesidingo.
   • Ukuhlolwa Kwesistimu Yokupholisa: Hlola abalandeli, izihlungi zomoya, namasinki okushisa ukuze kuqongelele uthuli. Sebenzisa umoya ocindezelwe noma ibhulashi elithambile ukususa imfucuza. Hlola amayunithi apholile amanzi ukugeleza okufanele nanoma yiziphi izimpawu zokuvuza.
   • Ukuqinisekiswa Kwamandla Amandla: Linganisa i-voltage yokufaka kanye neyamanje ukuqinisekisa ukuthi i-PSU ihambisa amanani afanele. Noma yikuphi ukuphambuka okungaphezu kuka-±5% kusuka ku-nominal kungakhombisa i-PSU ehlulekayo.
4. Ukushintshwa kwekota noma kwe-semi-annual
   • Ukushintshwa kwewindi le-optical: Ngokuya ngezimo zokusebenza (i-inki ngokweqile, umswakama ophezulu), faka esikhundleni se-quartz noma iwindi lesafire ukuvimbela noma yikuphi ukuncipha okuqhubekayo kokukhishwa kwe-UV.
   • I-Fan noma i-Pump Servicing: Faka esikhundleni sabalandeli abagqokile noma abanomsindo futhi uhlole ama-impellers wepompo wokupholisa amanzi ngezimpawu zokugqoka. Uhlelo lokupholisa olungasebenzi kahle luzosheshisa ukuguga kwe-LED.
   • Ukulinganisa izinzwa: Thumela ama-radiometer aphathwayo elabhorethri yokulinganisa okungenani kanye ezinyangeni eziyi-6-12 ukuqinisekisa ukunemba kokulinganisa.
5. Isevisi kanye ne-Lamp Head Swap
   Lapho ukufundwa kwe-multi-point irradiance kuwela ngaphansi kwe-60% -70% yesisekelo sokuqala, ngokuvamile sekuyisikhathi sokushintsha ikhanda lesibani ngokuphelele. Ukuzama ukugijima isibani esidlule kakhulu umkhawulo wayo wokuphila okuwusizo kuvame ukuholela kwikhwalithi yokuphulukisa embi kanye nezindleko eziphakeme zokugcinwa.

6. Ukuqinisekisa ukuhambisana kwemboni nokulawulwa kwekhwalithi

Izimboni eziningi zokunyathelisa ziye zasungula imihlahlandlela noma izindinganiso zemithamo emincane ye-UV ukuqinisekisa ukwelashwa okugcwele kwezinhlobo ezithile zeyinki, ikakhulukazi emikhakheni efana nale:

• Ukupakisha Ukudla Neziphuzo: Imithetho ivame ukugunyaza ukufuduka kwe-zero kwama-monomers noma ama-photoinitiators emikhiqizweni yokudla. Ukwelashwa okunganele kwe-UV kungavumela amakhemikhali angalapheki ukuthi ahlale kusendlalelo sikayinki, adale izingozi zezempilo ezingaba khona.
• Ukulebula Kwedivayisi Yezokwelapha: Amalebula asetshenziswe kumadivayisi wezokwelapha kufanele akhuthazelele izinqubo zokuvala inzalo, umswakama kanye nemihuzuko. I-inki engaphulukiwe ingahluleka ukuhlolwa kokudonsa noma iveze ukunamathela okungalungile ngaphansi kwezimo ze-autoclave.
• Izimpawu zangaphandle nama-Decals: Imidwebo ephrintiwe yangaphandle kufanele imelane nokuchayeka kwe-UV, imvula, namazinga okushisa aguqukayo. Ukuphulukiswa okunganele kungaholela ekufiphazeni okusheshayo, ukuqhekeka, noma ukucindezeleka ngaphansi kwengcindezi yemvelo.

Ukuze kuhlangatshezwane nalezi zidingo, abashicileli kumele:

1. Gcina amarekhodi anemininingwane: Bhala ukufundwa kwe-UV irradiance, imisebenzi yesondlo, nokushintshwa kwesibani kulogi ephakathi. Ukuba nomlando ohleleke kahle kunikeza ukulandelela ngesikhathi sokuhlolwa kwekhwalithi futhi kusiza ukukhomba izindlela zokwehluleka eziphindaphindiwe.
2. Sebenzisa izilawuli ze-colorimetric: Bhangqa ukuqapha ukuqina kwe-UV ngokuhlolwa kwebha yombala ngezikhathi ezithile, ukufundwa kwe-densitometer, noma izilinganiso ze-spectrophotometer ukuqinisekisa ukuthi ukukhishwa okubonakalayo (ukuminyana kombala, inzuzo yamachashazi) kuhlala ngaphakathi kokubekezelelana.
3. Abaqeqeshi kanye nochwepheshe: Qinisekisa ukuthi abasebenzi bayabuqonda ubudlelwano obubucayi phakathi kokuqina kwe-UV nekhwalithi yokuphulukisa. Ukuqeqeshwa okujwayelekile kokuthi ungasebenzisa kanjani ama-radiometer, ukuhumusha ukufundwa, nokwenza ukuhlanza okuyisisekelo kwekhanda lesibani kungavimbela amaphutha angagwemeka.

7. Isiphetho: Imikhuba emihle kakhulu yokugcina ukwelashwa kwe-UV

Izibani zokuphulukisa ze-UV LED ziguqule ukuphrinta kwe-inkjet ngokunikeza izixazululo zokuphulukisa ezisheshayo, zokushisa okuphansi, nezisebenza kahle ngamandla. Ukuze usebenzise ngokugcwele lezi zinzuzo—izikhathi ezisheshayo zokujika, ukuthembeka kwesithombe esibukhali, nokuqina okuthuthukisiwe—izitolo zokuphrinta kufanele zibeke phambili ukuqapha okujwayelekile kwe-UV irradiance. Ngokwamukela uhlelo lwesondlo oluhlelekile olubandakanya ukuhlolwa okujwayelekile kokuqina, izilinganiso zamaphuzu amaningi, kanye nokugcinwa kwengxenye esebenzayo, opharetha bangakwazi:

• Hambisa ikhwalithi yokuphrinta engaguquguquki: Gcina izingqimba zeyinki ezibukhali, eziphulukisiwe ngokuphelele kusukela ekuphrintiweni kokuqala kuya kokugcina.
• Khulisa isikhathi sokuphila kwesibani: Thola ukwehla kokukhishwa kancane kancane kusenesikhathi bese ufaka esikhundleni samakhanda esibani ngaphansi kwezimo ezilawulwayo, ukuvimbela ukwehluleka okungazelelwe.
• Thuthukisa i-Throughput nokusebenza kahle: Gwema ukwehla kancane noma ukuphrinta kabusha okubangelwa uyinki ongalapheki, ukuqinisekisa ukuthi ukugijima ngakunye kokucindezela kufinyelela izinga lokukhiqiza elihlosiwe.
• Qinisekisa Ukuhambisana Nokulawula: Gcina izidingo zomthamo we-UV ezigunyazwe ngumkhakha wokupakisha ukudla, ilebula lezokwelapha, noma izicelo zezimpawu zangaphandle.