Ubudlelwano phakathi kwesimo se-waveform se-nozzle yephrinta ye-UV kanye ne-uv ink bungokulandelayo: ama-waveform ahambisana nama-ink ahlukene nawo ahlukile, okuthintwa kakhulu umehluko wejubane lomsindo we-ink, i-viscosity ye-ink, kanye nobuningi be-ink. Iningi lama-printhead amanje anama-waveform aguquguqukayo ukuze avumelane nama-ink ahlukene.
Umsebenzi wefayela le-nozzle waveform: ifayela le-waveform yinqubo yesikhathi yokwenza i-nozzle piezoelectric ceramic isebenze, ngokuvamile kukhona unqenqema olukhuphukayo (isikhathi sokushaja), isikhathi sokucina esiqhubekayo (isikhathi sokucindezela), unqenqema oluwayo (isikhathi sokukhulula ukucindezela), Isikhathi esihlukile esinikeziwe sizoshintsha ngokusobala amaconsi kayinki acinywe yi-nozzle.
1.Izimiso Zokuklama Amagagasi Okushayela
Umklamo we-drive waveform uhilela ukusetshenziswa kwesimiso sezakhi ezintathu zegagasi. Ukuphakama, imvamisa kanye nesigaba kuzothinta umphumela wesenzo sokugcina seshidi le-piezoelectric. Ubukhulu be-amplitude bunethonya esivinini se-droplet ye-inki, okulula ukuyibona nokuyizwa, kodwa ithonya lemvamisa (ubude be-wavelength) esivinini se-droplet ye-inki alijulile ngempela. Ngokuvamile, lokhu kuyishintsho lejika eline-peak ephezulu (okungcono kakhulu. Inani elihle kakhulu) lingakhethwa, ngakho-ke inani elihle kakhulu kufanele liqinisekiswe ngokwezici ezahlukene ze-inki ekusetshenzisweni kwangempela.
2. Ithonya lesivinini somsindo weyinki ku-waveform
Ngokuvamile kushesha kunoyinki osindayo. Isivinini somsindo weyinki esuselwe emanzini sikhulu kuneyinki esuselwe emafutheni. Ekhanda elifanayo lokuphrinta, uma kusetshenziswa ubuningi obuhlukene beyinki, ubude be-wavelength obufanele kakhulu esimweni sayo samaza kufanele bulungiswe. Isibonelo, ububanzi be-wavelength yeyinki esuselwe emanzini eshayelayo kufanele bube buncane kunobukayinki esuselwe emafutheni.
3. Ithonya le-viscosity yeyinki ku-waveform
Uma iphrinta ye-UV iphrinta kumodi yamaphuzu amaningi, ngemva kokuphela kwe-waveform yokuqala yokushayela, idinga ukuma isikhashana bese ithumela i-waveform yesibili, futhi lapho i-waveform yesibili iqala kuncike ekushintsheni kwemvelo kwengcindezi yobuso be-nozzle ngemva kokuphela kwe-waveform yokuqala. Ushintsho luvele lubole lube yi-zero. (I-viscosity ehlukile ye-inki izothinta lesi sikhathi sokubola, ngakho-ke futhi kuyisiqinisekiso esibalulekile se-viscosity ye-inki eqinile ukuqinisekisa ukuphrinta okuzinzile), futhi kungcono ukuxhuma lapho isigaba singu-zero, ngaphandle kwalokho ubude be-waveform ye-wave yesibili buzoshintshwa. Ukuze kuqinisekiswe i-inkjet evamile, kwandisa nobunzima bokulungisa i-waveform ye-inkjet engcono kakhulu.
4.Ithonya lenani lobuningi beyinki ku-waveform
Uma inani lobuningi bukayinki lihlukile, isivinini salo somsindo naso sihlukile. Ngaphansi kwesimo sokuthi usayizi weshidi le-piezoelectric le-nozzle usunqunyiwe, ngokuvamile ubude bobubanzi be-pulse be-waveform yokushayela kuphela obungashintshwa ukuze kutholakale iphuzu elihle kakhulu le-pulse peak.
Njengamanje, kunezimbobo ezithile ezinokwehla okukhulu emakethe yephrinta ye-UV. Imbobo yokuqala enebanga elingu-8 mm iguqulwe yaba yi-waveform ephezulu ukuze iphrinte ngo-2 cm. Kodwa-ke, ngakolunye uhlangothi, lokhu kuzonciphisa kakhulu ijubane lokuphrinta. Ngakolunye uhlangothi, amaphutha afana noyinki ondizayo kanye nokugqagqana kombala nakho kuzokwenzeka kaningi, okudinga izinga eliphezulu lobuchwepheshe labakhiqizi bephrinta ye-UV.
Isikhathi sokuthunyelwe: Juni-30-2022
