Ubudlelwane phakathi kwe-waveform ye-nozzle yeprinta ye-UV kunye ne-uv ink bulandelayo: ii-waveforms ezihambelana nee-inki ezahlukeneyo nazo zahlukile, nto leyo echaphazeleka kakhulu ngumahluko kwisantya sesandi se-inki, i-viscosity ye-inki, kunye nobuninzi be-inki. Uninzi lwee-printheads zangoku zine-waveforms eziguquguqukayo ukuze zilungelelaniswe nee-inki ezahlukeneyo.
Umsebenzi wefayile ye-nozzle waveform: ifayile ye-waveform yinkqubo yexesha lokwenza i-nozzle piezoelectric ceramic isebenze, ngokubanzi kukho umda onyukayo (ixesha lokutshaja), ixesha lokucinezela eliqhubekayo (ubude bokucinezela), umda owelayo (ixesha lokukhulula ukucinezela), ixesha elahlukileyo elinikiweyo liya kutshintsha ngokucacileyo amaconsi e-inki acinezelwe yi-nozzle.
1.Imigaqo yoYilo lweWaveform yokuqhuba
Uyilo lwe-Drive waveform lubandakanya ukusetyenziswa komgaqo wezinto ezintathu zamaza. Ubukhulu, i-frequency kunye ne-phase ziya kuchaphazela isiphumo sokugqibela se-piezoelectric sheet. Ubukhulu be-amplitude bunempembelelo kwisantya se-inki droplet, okulula ukuyiqonda nokuyiqonda, kodwa impembelelo ye-frequency (ubude be-wave) kwisantya se-inki droplet ayisiyonto inzulu kakhulu. Ngokwesiqhelo, olu lutshintsho lwe-curve olune-peak ephezulu (eyona nto ilungileyo) ayinyanzelekanga, ngoko ke ixabiso elifanelekileyo kufuneka liqinisekiswe ngokweempawu ezahlukeneyo ze-inki ekusetyenzisweni kwangempela.
2. Impembelelo yesantya sesandi seyinki kwimo yamaza
Ngokwesiqhelo ikhawuleza kune-inki enzima. Isantya sesandi se-inki esekwe emanzini sikhulu kune-inki esekwe kwi-oyile. Kwintloko efanayo yoshicilelo, xa kusetyenziswa ubuninzi obahlukeneyo be-inki, ubude be-wavelength obufanelekileyo kwimo yayo yamaza kufuneka bulungiswe. Umzekelo, ububanzi be-wavelength ye-inki esekwe emanzini eqhubayo kufuneka bube buncinci kune-inki esekwe kwi-oyile.
3. Impembelelo ye-inki viscosity kwi-waveform
Xa iprinta ye-UV iprinta kwimo yeendawo ezininzi, emva kokuba i-waveform yokuqala iphelile, kufuneka ime okwethutyana ize ithumele i-waveform yesibini, kwaye xa i-waveform yesibini iqala kuxhomekeke ekujikelezeni kwendalo koxinzelelo lomphezulu we-nozzle emva kokuba i-waveform yokuqala iphelile. Utshintsho lubola luye kwi-zero. (I-inki viscosity eyahlukileyo iya kuchaphazela eli xesha lokubola, ngoko ke ikwasisiqinisekiso esibalulekileyo se-inki viscosity ezinzileyo ukuqinisekisa ukuprintwa okuzinzileyo), kwaye kungcono ukudibanisa xa isigaba singama-zero, kungenjalo ubude be-waveform ye-wave yesibini buya kutshintshwa. Ukuze kuqinisekiswe i-inkjet eqhelekileyo, kwandisa nobunzima bokulungisa i-inkjet waveform engcono.
4.Impembelelo yexabiso loxinano lweyinki kwimo yamaza
Xa ixabiso loxinano lwe-inki lahlukile, isantya salo sesandi naso sahlukile. Phantsi kwemeko yokuba ubungakanani beshiti ye-piezoelectric ye-nozzle bumiselwe, ngesiqhelo kuphela ubude bobubanzi be-pulse ye-driving waveform obunokutshintshwa ukuze kufunyanwe eyona ndawo ifanelekileyo ye-pulse peak.
Okwangoku, kukho ii-nozzles ezithile eziphantsi kakhulu kwimarike yeprinta ye-UV. I-nozzle yokuqala enomgama we-8 mm iguqulwe yaba yi-waveform ephezulu ukuze iprinte i-2 cm. Nangona kunjalo, kwelinye icala, oku kuya kunciphisa kakhulu isantya sokuprinta. Kwelinye icala, iimpazamo ezifana ne-inki ebhabhayo kunye nemigca yombala nazo ziya kwenzeka rhoqo, nto leyo efuna abavelisi beprinta ye-UV abaphezulu.
Ixesha lokuthumela: Juni-30-2022
