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Ukusetshenziswa kobuchwepheshe bokwelapha be-UV emikhakheni ehlukene

Ngenxa yezinzuzo zokuphulukisa okusheshayo, ukonga amandla kanye nokuvikelwa kwemvelo, imikhiqizo yokwelapha ye-UV isetshenziswa kabanzi emikhakheni eminingi, futhi yaqala ukusetshenziswa kakhulu emkhakheni wezingubo zokhuni.Eminyakeni yamuva nje, ngokuthuthukiswa kweziqalisi ezintsha, ama-diluent asebenzayo kanye nama-oligomers azwelayo, ukusetshenziswa kwezingubo ezilaphekayo ze-UV kuye kwanda kancane kancane emasimini ephepha, amapulasitiki, izinsimbi, izindwangu, izingxenye zezimoto nokunye.Okulandelayo kuzokwethula kafushane ukusetshenziswa kwe-UV Curing Technologies eminingana emikhakheni ehlukene.

Ukuphrinta kwe-3D yokwelapha kwe-UV

Ukuphrinta kwe-3D kwelapheka kwe-UV kungenye yobuchwepheshe bokwenza i-prototyping obusheshayo obunokunemba okuphezulu kakhulu kokuphrinta nokudayisa.Inezinzuzo eziningi, ezifana nokusetshenziswa kwamandla aphansi, izindleko eziphansi, ukunemba okuphezulu, indawo ebushelelezi kanye nokuphindaphinda okuhle.Isetshenziswe kabanzi ku-aerospace, izimoto, ukukhiqiza isikhunta, ukuklama ubucwebe, ezokwelapha kanye neminye imikhakha.

Isibonelo, ngokuphrinta i-prototype ye-rocket injini enesakhiwo esiyinkimbinkimbi nokuhlaziya imodi yokugeleza kwegesi, kuyasiza ukuklama injini yerokhethi enesakhiwo esihlangene kanye nokusebenza kahle okuphezulu komlilo, okungathuthukisa ngempumelelo ukusebenza kahle kwe-R & D kwezingxenye eziyinkimbinkimbi futhi finyeza umjikelezo wemoto we-R & D;Ungakwazi futhi ukuphrinta isikhunta noma ukuhlehlisa isikhunta ngokuqondile, ukuze wenze isikhunta ngokushesha nokunye.

I-Stereolithography (SLA), i-digital projection (DLP), i-3D ink-jet forming (3DP), ukukhula kwezinga le-liquid eqhubekayo (clip) nobunye ubuchwepheshe buthuthukisiwe kubuchwepheshe bokuphrinta be-3D bokuphulukisa ukukhanya [3].Njengomsebenzi wayo wokuphrinta, i-resin ye-photosensitive eselaphekayo yokuphrinta kwe-3D nayo yenze inqubekelaphambili enkulu, futhi ithuthukela ekusebenzeni ngokuhambisana nezidingo zohlelo lokusebenza.

Imikhiqizo yokwelapha ye-UV yokupakishwa ye-elekthronikhi

Ukuqanjwa kabusha kobuchwepheshe bokupakisha kukhuthaza ukuguqulwa kwezinto zokupakisha kusuka emaphaketheni ensimbi namaphakheji e-ceramic kuya emaphaketheni epulasitiki.I-Epoxy resin isetshenziswa kakhulu ekufakweni kwepulasitiki.Izakhiwo ezinhle kakhulu zemishini, ukumelana nokushisa nomswakama kuyisisekelo sokupakishwa kwekhwalithi ephezulu.Inkinga eyisisekelo enquma ukusebenza kwe-epoxy resin akuyona nje isakhiwo somzimba oyinhloko we-epoxy resin, kodwa futhi nomthelela we-ejenti yokwelapha.

Uma kuqhathaniswa nendlela yokwelapha eshisayo eyamukelwa i-epoxy resin evamile, ukwelapha kwe-cationic UV akugcini nje ngokuba nokuqina okungcono kokugcinwa kwamakhemikhali kwe-photoinitiator, kodwa futhi nesivinini sokuphulukisa esisheshayo sohlelo.Ukwelapha kungaqedwa phakathi namashumi amasekhondi ngokusebenza kahle okuphezulu kakhulu.Ayikho i-oxygen polymerization inhibition, futhi ingelapheka ngokujulile.Lezi zinzuzo ziya ngokuya zigqamisa ukubaluleka kobuchwepheshe bokwelapha be-cationic UV emkhakheni wokupakisha nge-elekthronikhi.

Ngokuthuthuka okusheshayo kobuchwepheshe be-semiconductor, izingxenye ze-elekthronikhi zivame ukuhlanganiswa kakhulu futhi zenziwe zibe zincane.Isisindo esilula, amandla aphezulu, ukumelana nokushisa okuhle kanye nezakhiwo ezinhle kakhulu ze-dielectric kuzoba umkhuba wokuthuthukisa wezinto ezintsha zokupakisha ze-epoxy ezisebenza kahle kakhulu.Ubuchwepheshe bokwelapha be-UV buzodlala indima ebaluleke kakhulu ekuthuthukisweni kwemboni yokupakisha ye-elekthronikhi.

Uyinki wokuphrinta

Emkhakheni wokupakisha nokuphrinta, ubuchwepheshe bokuphrinta be-flexographic busetshenziswa kakhulu, kubalwa ngenani elikhulayo.Sekuphenduke ubuchwepheshe obujwayelekile bokuphrinta nokupakisha, futhi kuwumkhuba ongenakugwemeka wentuthuko yesikhathi esizayo.

Kunezinhlobo eziningi zoyinki wokuphrinta we-flexo, ikakhulukazi kufaka phakathi izigaba ezilandelayo: oyinki abasekelwe emanzini, oyinki abasuselwa ku-solvent kanye noyinki we-UV curing (UV).Ama-inki asekelwe ku-solvent asetshenziselwa ikakhulukazi ukuphrinta ifilimu yepulasitiki engamunzi;Uyinki osuselwe emanzini usetshenziswa kakhulu ephephandabeni, ebhodini likathayela, emakhadibhodi nakwezinye izinto zokunyathelisa;Uyinki we-UV unezinhlobonhlobo zokusetshenziswa.Inomphumela omuhle wokuphrinta kufilimu yepulasitiki, iphepha, ucwecwe lwensimbi nezinye izinto.

Uyinki we-UV unezici zobungane bemvelo, ukusebenza kahle okuphezulu, ikhwalithi enhle yokuphrinta nokuvumelana nezimo okuqinile.Iwuyinki omusha othandwa kakhulu futhi okhathazeke kakhulu wokuvikela imvelo njengamanje, futhi unethuba elihle kakhulu lokuthuthuka.

Uyinki we-Flexographic UV usetshenziswa kakhulu ekufakweni nasekuphrinteni.I-Flexo UV inki inezinzuzo ezilandelayo:

(1) Uyinki we-Flexographic UV awunawo ukukhishwa kwe-solvent, ukusetshenziswa okuphephile nokuthembekile, indawo ephezulu yokuncibilika futhi akukho kungcola, ngakho ulungele ukwenza ukudla, umuthi, isiphuzo namanye amaphakheji anezidingo eziphezulu zezinto zokupakisha eziphephile, ezingenabuthi.

(2) Ngesikhathi sokunyathelisa, izici ezibonakalayo ze-inki zihlala zingashintshiwe, ayikho i-solvent eguquguqukayo, i-viscosity ihlala ingashintshiwe, futhi ipuleti lokunyathelisa ngeke lonakaliswe, okuholela ekunamathiseleni kwepuleti, ukupakishwa kwepuleti nezinye izenzakalo.Uma uphrinta ngoyinki we-viscosity ephezulu, umphumela wokuphrinta usemuhle.

(3) Ijubane lokumisa uyinki liyashesha futhi ukusebenza kahle kokuphrinta umkhiqizo kuphezulu.Ingasetshenziswa kabanzi ezindleleni zokunyathelisa ezihlukahlukene, njengepulasitiki, iphepha, ifilimu nezinye izinto ezingaphansi.

Ngokuthuthukiswa kwesakhiwo esisha se-oligomer, i-diluent esebenzayo nesiqalisi, ububanzi bokusebenza besikhathi esizayo bemikhiqizo yokwelapha ye-UV ayinakulinganiswa, futhi indawo yokuthuthukiswa kwemakethe ayinamkhawulo.

I-Microspectrum inohlaziyo olucebile nolwazi locwaningo emkhakheni wemikhiqizo yokwelapha ye-UV.Yakhe isizindalwazi esinamandla se-spectrogram futhi inamathuluzi okuhlaziya asezingeni elikhulu.Ngezindlela zokuphatha zesampula zobunikazi nezindlela zokuhlaziya izinsimbi, ingakwazi ukunquma ama-monomers okwenziwa kanye nezakhiwo zama-oligomer ahlukahlukene, izinhlobonhlobo zama-diluent asebenzayo, ama-photoinitiators kanye nezithasiselo zokulandelela, njll. Ngesikhathi esifanayo, i-microspectrum ilandela eduze ukuthuthukiswa kwemikhiqizo emisha ku- imakethe, futhi yenza ucwaningo lwephrojekthi emikhiqizweni emisha ye-UV ephulukisiwe emikhakheni eminingi.Ingakwazi ukuqhathanisa futhi ihlaziye ubuhle bemikhiqizo, isize amabhizinisi ukuxazulula ubunzima nezindawo eziyimpumputhe okuhlangatshezwane nazo enqubweni yokuthuthukiswa komkhiqizo, ifinyeze umjikelezo we-R & D futhi ithuthukise ukusebenza komkhiqizo.


Isikhathi sokuthumela: Aug-02-2022