Wazi kangakanani ngezici ezinomthelela kanye nokwehluleka kwekhwalithi evamile yokudluliswa kwe-thermal?

Isingeniso: Inqubo yokudlulisa okushisayo, inqubo evamile ekwelapheni okungaphezulu kwezinto zokupakisha zezimonyo, ngoba kulula ukuphrinta, futhi umbala nephethini kungenziwa ngokwezifiso. Kuyinqubo ekhethwa ngabanikazi bomkhiqizo. Okulandelayo kuhlelwa nguI-RB PACKAGE.Ake sabelane ngezinkinga ezivamile zekhwalithi nezisombululo kanye nezici ezinethonya zokudlulisa okushisayo, njengereferensi yakho ochungechungeni lokunikezela lwe-Youpin:

Ukudlulisa ukushisa
Inqubo yokudlulisa okushisayo ibhekisela ephepheni lokudlulisa elimbozwe ngezingulube noma odayi njengento ephakathi, ngokushisisa, ukucindezela nezinye izindlela zokudlulisa iphethini yephethini yongqimba lukayinki kokuphakathi kuya endleleni yokunyathelisa. Isimiso esiyisisekelo sokudluliswa okushisayo ukuxhumana ngokuqondile nendawo efakwe uyinki ne-substrate. Ngokushisisa nokucindezela kwekhanda lokuphrinta elishisayo kanye nesilinda esibonakalayo, uyinki ophakathi nendawo uzoncibilika futhi udluliselwe ku-substrate ukuze uthole okufunayo Kodaba oluphrintiwe.

Ukudlulisa ukushisa

01Izinto ezinomthelela wokudlulisa okushisayo
1) Ikhanda lokuphrinta elishisayo

Inhloko yokuphrinta eshisayo ikakhulukazi yakhiwe ungqimba oluvikelayo lwefilimu enamathelayo, isendlalelo esingaphansi esinamathelisa esivikelayo kanye nezinto zokushisa. Isici sokushisa siyisikrini sikasilika esiguqukayo. Ngosizo lokushisa okukhiqizwa i-voltage pulse, izinhlayiya ezimahhadla zongqimba lukayinki lwengxenye yesithombe ziyaqoshwa futhi zincibilike ukuze kuqedelwe ukudlulisa uyinki.

Isivinini sokuphrinta sokudlulisa okushisayo sincike esikhathini esidingekayo kumugqa ngamunye wezithombe nombhalo. Ngakho-ke, ikhanda lokudlulisa okushisayo kanye nephepha lokudlulisa kufanele libe nokudluliswa kahle kokushisa, ukuze ukushisa okukhiqizwa yisici sokushisa kungadlula ngokushesha ungqimba oluvikelayo, i-substrate yephepha lokudlulisa kanye negebe futhi ekugcineni kube ebusweni be-substrate ukuze kuqinisekiswe. ukuthi uyinki unesikhathi Esanele sokudlulisa.

2) Uyinki

Uyinki

 

Ukwakheka kukayinki wokudlulisa okushisayo ngokuvamile kuyizingxenye ezintathu: umbala (i-pigment noma udayi), i-wax namafutha, phakathi kwawo i-wax iyingxenye eyinhloko kayinki wokudlulisa ukushisa. Ukwakheka okuyisisekelo kukayinki ovamile wokudlulisa ukushisa kungabhekisela kuThebula 1.

Ukwakheka okuyisisekelo kukayinki wokudlulisa oshisayo

Ithebula 2 yisibonelo sokwakheka kukayinki wokudlulisa ukushisa kwesikrini. I-N-methoxymethyl polyamide incibilika ku-benzyl utshwala, i-toluene, i-ethanol nezinye izincibilikisi, izingulube ezikwazi ukumelana nokushisa kanye ne-bentonite kwengezwa ukuze kushukunyiswe, bese kugaywa koyinki bokuphrinta isikrini. Uyinki uphrintwa kunkampani yenethiwekhi (njengephepha lokudlulisa elishisayo) kusetshenziswa indlela yokuphrinta isikrini, bese indwangu icindezelwa ngokushisa futhi idluliselwe.

ukwakheka kweyinki yokudlulisa ukushisa kwesikrini

Lapho unyathelisa, i-viscosity yamayinki ahlukene ihlobene ngokuqondile nokushisa okushisa, futhi izinga lokushisa lokushisa kanye ne-viscosity ye-inki kufanele ilawulwe ngokuqinile. Ukuzijwayeza kufakazele ukuthi uma izinga lokushisa lingu-60~100 ℃, uma uyinki uncibilika, inani le-viscosity likayinki lizinzile kokuthi 0.6 Pa·s, okuyilona elifaneleka kakhulu. Ngokuvamile, uma uyinki usondela kulesi simo, ukusebenza kokudlulisa kuzoba ngcono.

Eminyakeni yamuva nje, ngokuthuthukiswa kobuchwepheshe bephakheji ye-rainbow yase-Shanghai, izinga lokushisa lokugcinwa kwemikhiqizo ephrintiwe liye lenyuka lisuka ku-45 ℃ laya ku-60 ℃, elikhulise kakhulu uhla lwesicelo sokudlulisa okushisayo. Ngaphezu kwalokho, ukusetshenziswa kwezingulube ezibonakalayo noma odayi obala kunikeza umphumela omuhle we-hue wokuphrinta kombala.

3) Dlulisa imidiya

Ama-substrates ahlukene anezakhiwo ezihlukene, ngakho-ke lapho ukhetha iphepha lokudlulisa, kufanele unake izici ezilandelayo zokubhekisela ze-substrate.

① Ukusebenza ngokomzimba

Izinto ezibonakalayo zephepha lokudlulisa zikhonjiswe kuThebula lesi-3.

Dlulisa imidiya

Okungenhla yizinto ezibonakalayo ze-substrates ezintathu zephepha lokudlulisa ukushisa. Izici ezintathu ezilandelayo zingacatshangelwa lapho ukhetha:

Ubukhulu be-substrate akufanele ngokuvamile bube ngaphezu kwama-20 μm;

I-substrate kufanele ibe nezinga eliphezulu lokushelela ukuze kuqinisekiswe izinga lokudluliswa kweyinki;

I-substrate kufanele ibe namandla anele ukuqinisekisa ukuthi ngeke idatshulwe ngesikhathi sokucubungula nokuphrinta iphepha lokudlulisa.

②Izakhiwo zamakhemikhali

Ukunamathela okuhle nokulingana kweyinki kuyizimpawu ezimbili ezibalulekile zezakhiwo zamakhemikhali ze-substrate yephepha lokudlulisa. Ekukhiqizeni, izakhiwo zamakhemikhali zephepha lokudlulisa zithinta ngqo ikhwalithi yokunyathelisa. Uma iphepha lokudlulisa lingakwazi ukwenza ukuthi uyinki ubambelele kahle, noma inani le-inki alikwazi ukukhiqizwa, lokho kuzodala ukulahleka kokuphrinta. Inqubo yokuphrinta enhle kanye nokuphrinta okuhle kufanele kusekelwe ekubambeni kahle izakhiwo zamakhemikhali zephepha lokudlulisa. 

③Ukusebenza okuhle kwe-thermal

Njengoba inqubo yokudlulisa itholwa ngezindlela zokushisa okuphezulu, izinto zephepha lokudlulisa kumele zikwazi ukumelana nethonya lokushisa lokudlulisa futhi zigcine izakhiwo zingashintshiwe. Ngokuvamile, ukuthi ukusebenza okushisayo kwe-substrate yephepha lokudlulisa okushisayo kuhle kungaboniswa yizici ezilandelayo:

Ukunciphisa ukumelana nokushisa kwe-substrate ekwazi ukumelana nokushisa, kuya kuba mncane ukushuba, kungcono ukudluliswa kokushisa, futhi ngcono ukusebenza kwayo kokushisa;

Ubushelelezi Ukushelela kwe-substrate ebusweni, kuyancipha ukumelana nokushisa kanye nokusebenza okushisayo okungcono;

Izinga lokushisa lekhanda lokuphrinta elikwazi ukumelana nokushisa ngokuvamile liba ngu-300 ℃, futhi i-substrate kufanele ikwazi ukuqinisekisa ukuthi ukusebenza okuyinhloko akushintshi kulokhu kushisa.

4) I-substrate

Ama-substrates anendawo encane emagebhugebhu anekhwalithi yokuphrinta engcono, okuyisici esibalulekile sokudlulisa okushisayo. Ngenxa yokuthi indawo embi ye-substrate ibonisa ukuthi i-substrate inamandla amakhulu aphezulu, inki ephepheni lokudlulisa ingadluliselwa ku-substrate kahle, futhi izinga elifanele kanye nethoni ingatholakala; kodwa amaholoholo kakhulu azothinta ikhwalithi ye-inki Ukudlulisa okuvamile akusizi ekugcwalisekeni kwenqubo yokuphrinta.

02Ukwehluleka kwekhwalithi evamile
1) Iphethini ivela kunguqulo egcwele

Ukwenzeka: Amachashaza namaphethini avela ekhasini eligcwele.

Izizathu: i-viscosity ye-inki iphansi kakhulu, i-angle ye-squeegee ayilungile, izinga lokushisa lokumisa uyinki alanele, ugesi omile, njll.

Ukuqedwa: khulisa i-viscosity, lungisa i-angle ye-scraper, ukhuphule izinga lokushisa kuhhavini, futhi ubeke ngaphambili i-ejenti ye-electrostatic ngemuva kwefilimu.

2) Ukulala

I-Phenomenon: Imigqa efana nenkanyezi enomsila ivela ohlangothini olulodwa lwephethini, ngokuvamile ivela kuyinki omhlophe nasonqenqemeni lwephethini.

Izizathu eziyinhloko: izinhlayiya ze-ink pigment zinkulu, uyinki ayihlanzekile, i-viscosity iphezulu, ugesi omile, njll.

Ukuqedwa: hlunga uyinki bese ususa i-squeegee ukunciphisa ukugxila; u-inki omhlophe ungalolwa kusengaphambili ukuze uphathe ifilimu ngendlela yogesi, usebenzise izinti ezicijile ukuze uklebhule phakathi kwe-squeegee nepuleti, noma wengeze i-electrostatic agent.

3) Ukubhaliswa kombala okungalungile, okuveza phansi

Ukwenzeka: Ukuchezuka kombala weqembu kwenzeka lapho imibala embalwa ibekwe phezulu, ikakhulukazi kumbala ongemuva.

Izizathu eziyinhloko: umshini ngokwawo unokunemba okubi nokuguquguquka; ukwenza amapuleti kabi; ukunwetshwa okungafanele kanye nokufinyela kombala ongemuva.

Ungafaki: sebenzisa ukukhanya kwe-strobe ukuze ubhalise ngesandla; yenza kabusha ipuleti; wandise futhi unciphe ngaphansi kwethonya lomphumela obonakalayo wephethini, noma ungabi mhlophe engxenyeni encane yephethini.

4) Uyinki awucacile

I-Phenomenon: Kuvela imaski efilimini ephrintiwe.

Isizathu: Isibambi se-scraper sikhululekile; isakhiwo asihlanzekile.

Ukuqedwa: lungisa kabusha i-scraper futhi ulungise isibambi sommese; hlanza ipuleti lokuphrinta nge-powder decontamination uma kunesidingo; faka ukuhanjiswa komoya obuyela emuva phakathi kwepuleti ne-scraper.

5) Umbala wokuphrinta uyehla

Ukwenzeka: Ukuxebuka kombala kwenzeka engxenyeni yendawo yamaphethini amakhulu ngokuqhathaniswa, ikakhulukazi efilimini yokwelashwa kwangaphambili yengilazi ephrintiwe nensimbi engagqwali.

Izizathu: ungqimba lombala ngokwalo luhlutshiwe uma luphrintiwe kufilimu ecutshunguliwe; ugesi omile; ungqimba lukayinki wombala luwugqinsi futhi alomile ngokwanele.

Ukuqedwa: Khulisa izinga lokushisa kuhhavini futhi unciphise isivinini.

I-6) Ukushesha okungalungile ngesikhathi sokudlulisa

I-Phenomenon: Isendlalelo sombala esidluliselwe ku-substrate sikhishwa kalula yi-tape esetshenziselwa ukuhlola.

Isizathu: ukuhlukaniswa okungafanele noma ukusekelwa, ikakhulukazi ngoba ukusekelwa akufani ne-substrate.

Ukuqedwa: Faka kabusha i-adhesive yokukhulula (uma kunesidingo, yenza izinguquko); buyisela i-adhesive yangemuva efana nesisekelo.

7) Anti-sticky

I-Phenomenon: Ungqimba lukayinki luyaxebuka ngesikhathi sokuhlehla, futhi umsindo uba phezulu.

Izizathu: ukushuba kwamajika okweqile, ukomiswa kukayinki okungaphelele, ilebula ewugqinsi kakhulu ngesikhathi sokuhlolwa, izinga lokushisa eliphansi lasendlini kanye nomswakama, ugesi omile, isivinini sokuphrinta esiningi, njll.

Ukuqeda: Yehlisa ukushuba kwamajika, noma unciphise ngokufanelekile isivinini sokuphrinta ukuze wenze ukomisa kuphelele, lawula izinga lokushisa lasendlini kanye nomswakama, futhi umboze kuqala i-ejenti ye-electrostatic.

8) Iphuzu lokulahla

I-Phenomenon: Amachashazi amahle ashoda ngokungavamile (afana namachashazi angakwazi ukuphrinta) avela kuwebhu engashoni.

Isizathu: Uyinki awukhuphuki.

Ukuqeda: Hlanza ukwakheka, sebenzisa i-electrostatic suction roller, ujulise amachashazi, lungisa ukucindezela kwe-squeegee, futhi unciphise ngokufanele i-viscosity kayinki ngaphandle kokuthinta ezinye izimo.

9) Igolide, isiliva, kanye ne-pearlescent kuvela ama-ripples afana nekhasi elolintshi ngesikhathi sokuphrinta

Isimanga: Igolide, isiliva, neparele kuvame ukuba nama-ripples afana nekhasi lewolintshi endaweni enkulu.

Isizathu: Igolide, isiliva, kanye nezinhlayiya ze-pearlescent zinkulu futhi azikwazi ukuhlakazeka ngokulinganayo kuthreyi kayinki, okuholela ekuminyaneni okungalingani.

Ukuqeda: Ngaphambi kokunyathelisa, uyinki kufanele ulinganiswe, futhi uyinki kufanele ufakwe ethreyini kayinki ngepompo, futhi ishubhu elifuthayo lepulasitiki kufanele libekwe ethreyini kayinki; ukunciphisa isivinini sokunyathelisa.

10) Ukukhiqizwa kabusha okungalungile kwamazinga okuphrinta

Ukwenzeka: Amaphethini anoshintsho olukhulu kakhulu lwe-gradation (njengo-15% - 100%) ngokuvamile ehluleka ukuphrinta engxenyeni ye-mesh ekhanyayo, ukuminyana okunganele engxenyeni yethoni emnyama, noma ukuhlangana okusobala engxenyeni yethoni emaphakathi.

Isizathu: Ububanzi boshintsho lwamachashazi bukhulu kakhulu, futhi ukunamathela kukayinki efilimini akukuhle.

Ukuqeda: sebenzisa i-electrostatic suction roller; ahlukanise abe amapuleti amabili.

I-11) I-gloss endabeni ephrintiwe ilula

I-Phenomenon: Umbala womkhiqizo ophrintiwe ulula kunesampula, ikakhulukazi lapho uphrinta isiliva.

Isizathu: i-viscosity kayinki iphansi kakhulu.

Ungafaki: ukwengeza uyinki ongahluziwe ukuze kukhuliswe i-viscosity kayinki enanini elifanele.

12) Umbhalo omhlophe unemiphetho emagebhugebhu

Isimanga: Amaphethelo amangelengele ngokuvamile avela emaphethelweni emibhalo edinga ubumhlophe obuphezulu.

Izizathu: izinhlayiya nemibala ye-inki ayilungile ngokwanele; i-viscosity ye-inki iphansi, njll.

Ungafaki: lola ummese noma izithasiselo; lungisa i-angle ye-squeegee; ukwandisa i-viscosity yeyinki; shintsha ipuleti le-electro-engraving libe yi-laser plate.

I-13) I-coating engalingani yefilimu yangaphambili yokumboza yensimbi engagqwali (i-silicone coating)

Ukulungiswa kwefilimu (i-silicon coating) kuvame ukwenziwa ngaphambi kokuphrinta ifilimu yokudlulisa insimbi engagqwali, ukuze inkinga yokucwecwa okungcolile kongqimba lukayinki ngesikhathi senqubo yokudlulisa ingaxazululwa (ungqimba lukayinki lusefilimu lapho izinga lokushisa likhona. ngaphezu kuka-145°C). Ubunzima bokuxebula).

Okungenhla yizinto ezibonakalayo ze-substrates ezintathu zephepha lokudlulisa ukushisa. Izici ezintathu ezilandelayo zingacatshangelwa lapho ukhetha:

Ubukhulu be-substrate akufanele ngokuvamile bube ngaphezu kwama-20 μm;

I-substrate kufanele ibe nezinga eliphezulu lokushelela ukuze kuqinisekiswe izinga lokudluliswa kweyinki;

I-substrate kufanele ibe namandla anele ukuqinisekisa ukuthi ngeke idatshulwe ngesikhathi sokucubungula nokuphrinta iphepha lokudlulisa.

②Izakhiwo zamakhemikhali

Ukunamathela okuhle nokulingana kweyinki kuyizimpawu ezimbili ezibalulekile zezakhiwo zamakhemikhali ze-substrate yephepha lokudlulisa. Ekukhiqizeni, izakhiwo zamakhemikhali zephepha lokudlulisa zithinta ngqo ikhwalithi yokunyathelisa. Uma iphepha lokudlulisa lingakwazi ukwenza ukuthi uyinki ubambelele kahle, noma inani le-inki alikwazi ukukhiqizwa, lokho kuzodala ukulahleka kokuphrinta. Inqubo yokuphrinta enhle kanye nokuphrinta okuhle kufanele kusekelwe ekubambeni kahle izakhiwo zamakhemikhali zephepha lokudlulisa.

③Ukusebenza okuhle kwe-thermal

Njengoba inqubo yokudlulisa itholwa ngezindlela zokushisa okuphezulu, izinto zephepha lokudlulisa kumele zikwazi ukumelana nethonya lokushisa lokudlulisa futhi zigcine izakhiwo zingashintshiwe. Ngokuvamile, ukuthi ukusebenza okushisayo kwe-substrate yephepha lokudlulisa okushisayo kuhle kungaboniswa yizici ezilandelayo:

Ukunciphisa ukumelana nokushisa kwe-substrate ekwazi ukumelana nokushisa, kuya kuba mncane ukushuba, kungcono ukudluliswa kokushisa, futhi ngcono ukusebenza kwayo kokushisa;

Ubushelelezi Ukushelela kwe-substrate ebusweni, kuyancipha ukumelana nokushisa kanye nokusebenza okushisayo okungcono;

Izinga lokushisa lekhanda lokuphrinta elikwazi ukumelana nokushisa ngokuvamile liba ngu-300 ℃, futhi i-substrate kufanele ikwazi ukuqinisekisa ukuthi ukusebenza okuyinhloko akushintshi kulokhu kushisa.

I-Phenomenon: Kunemithende, imicu, njll. efilimini.

Isizathu: Ukushisa okunganele (ukubola okunganele kwe-silicon), ingxenye engafanele ye-solvents.

Ungafaki: Nyusa izinga lokushisa kuhhavini lifinyelele ukuphakama okungaguquki.

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Isikhathi sokuthumela: Oct-25-2021
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