Amaphutha Okunyathelisa Avamile: Izimbangela, Izindlela Zokuthola kanye Nendlela Yokuzivimbela
Amaphutha okuphrinta angenye yezinselelo ezivame kakhulu ezibhekene nokupakisha, ukukhiqizwa kwamalebula kanye nokuphrinta kwezentengiselwano. Ngisho namaphutha amancane njengokushintsha kombala, umbhalo ofiphele noma ukudwetshwa kungadala izikhalazo zamakhasimende, ukukhunjulwa komkhiqizo kanye nokuphrinta kabusha okungadingekile. Ukuqonda amaphutha avamile okuphrinta nokufunda ukuthi ungawathola kanjani ngokushesha kubalulekile ekugcineni ikhwalithi yokuphrinta ehambisanayo kanye nokunciphisa imfucuza yokukhiqiza.
Lesi sihloko sichaza amaphutha okuphrinta avame kakhulu, izizathu zawo kanye nezindlela ezingokoqobo abaphrinta abangazisebenzisa ukuze bawathole futhi bawavimbele.
Ziyini Iziphambeko Zokuphrinta Futhi Kungani Zibalulekile
Iphutha lokuphrinta yinoma yiliphi iphutha elingalindelekile elithinta ukunemba kombala, ukucaca, ukubhaliswa noma ukubukeka okubonakalayo kwezinto eziphrintiwe. Amaphutha angavela ezimweni zemishini, ukuziphatha kweyinki, izinkinga ze-substrate noma izici zemvelo. Nakuba amaphutha amaningi angabonakala emancane, avame ukukhombisa inkinga yobuchwepheshe ejulile enqubweni yokukhiqiza.
Ikhwalithi yokunyathelisa ehambisanayo ibaluleke kakhulu ezimbonini ezifana nokupakishwa kokudla, imithi, izimonyo kanye nophawu lwezentengiselwano. Le mikhakha idinga ukukhiqizwa kombala okuzinzile, amabhakhodi anembile, idatha eguquguqukayo enembile kanye nezindawo ezingenamaphutha. Lapho amaphutha eqoqana, aphenduka imfucuza, ukulahlekelwa yisikhathi kanye nokuntuleka kokwethenjwa kwamakhasimende.
Amaphutha Okunyathelisa Avame Kakhulu Ekupakisheni Nasekunyathelisweni Kwezentengiselwano
Ngezansi kunezinkinga zokuphrinta ezenzeka kakhulu ezindaweni zokuphrinta ze-flexo, gravure, offset kanye nedijithali.
Ukushintsha Kombala Nokushintsha Kombala
Ukwehluka kombala kwenzeka lapho ubuningi beyinki bungaba buzinzile ngesikhathi sokukhiqizwa. Lokhu kungabonakala njengemibala ekhanyayo noma emnyama kuqoqo elifanayo. Lapho izinhlobo zidinga ukuhambisana kombala okuqinile, ngisho nokushintshashintsha kombala okuncane kungabangela ukuthi izinto zingamukelwa.
Ukubhaliswa Okungalungile
Ukubhaliswa okungalungile kubhekisela emibala engahambelani kahle. I-Cyan, i-magenta, iphuzi kanye nomnyama kungashintsha kancane kusuka ezindaweni ezihlosiwe, kudala umphumela wesithunzi ozungeze umbhalo noma ihluzo. Le nkinga ivame ukuvela ekuphrinteni okusheshayo lapho amasilinda noma amapuleti ehluleka ukuhambisana kahle.
Umbhalo Ofiphele Noma Ohlanekezelwe
Umbhalo ungabonakala uthambile, unwetshiwe noma uphambene lapho ingcindezi ingalungile noma lapho amapuleti nezingubo zokulala zibonisa izimpawu zokuguguleka. Lokhu kuphazamiseka kuyinkinga ikakhulukazi ekupakishweni kwemithi lapho imiyalelo yomthamo kufanele ihlale ifundeka khona.
Imigqa, Imigqa kanye Nokubopha
Lezi ziphambeko zibonakala njengemigqa ephindaphindayo, imivimbo noma ukusatshalaliswa kombala okungalingani. Ngokuvamile zibangelwa ukungcoliswa kwama-roller, ama-printhead alimele noma izinkinga zokulethwa kweyinki. Imivimbo ivame ukwenzeka ngezikhathi ezithile, okwenza kube nzima ukuyibona ngokuhlolwa ngesandla.
Amachashaza Angcolile Nezinhlayiya Zangaphandle
Uthuli, izinhlayiya zephepha noma uyinki owomile kungadala amabala amhlophe noma amnyama abonakalayo endaweni ephrintiwe. La maphutha avela ngokungahleliwe futhi avamile ezindaweni lapho ukuhlanzeka kwe-substrate kungalawulwa kahle.
Imibimbi kanye nama-Crease e-Substrate
Imibimbi kanye nokugoba kwe-substrate kwenzeka lapho izinto zokunyathelisa zingafakwanga kahle ngomshini wokunyathelisa, okuholela ezindaweni ezigoqiwe noma ezisontekile ebusweni. Lezi ziphambeko zivame ukuvela ezindaweni ezincane noma eziguquguqukayo ezizwela izinguquko zokucindezeleka.
Amaphutha ekhodi yebhakhodi kanye nekhodi ye-QR
Amabhakhodi angase angafundeki uma ukungafani kuphansi kakhulu noma uma kunemigqa, imigqa engekho noma ukungcola kwendawo. Amakhodi e-QR angase alahlekelwe amamojula ngenxa yokuyeka kweyinki noma ukuxazululwa okunganele. Lawa maphutha athinta ngqo ukulandelelwa kanye nokuhambisana nemithetho.
Yini Ebangela Amaphutha Okuphrinta
Amaphutha okuphrinta ngokuvamile avela ezintweni eziningi ezisebenzisanayo, okuhlanganisa ukuguguleka komshini, ukuziphatha kweyinki kanye namakhemikhali, ukuguquguquka kwe-substrate kanye nezinguquko endaweni yokukhiqiza. Ukuqonda izimbangela eziyinhloko kusiza abaphrinta ukuthi bazinzise ikhwalithi yokuphrinta futhi banciphise ukungcola.
Izimbangela Zemishini
Izici zemishini ziphakathi kwemithombo evame kakhulu yeziphambeko zokuphrinta eziphindaphindayo. Lapho ama-rollers, amasilinda noma amapuleti eguga, alahlekelwa ukuthintana okufanayo ne-substrate futhi adale iziphambeko ezifana nokuboshwa, ukuphrinta kwe-ghost noma ukuhlelwa kombala okungalingani. Amablankethi noma ama-printhead angalingani kahle angaletha ukuzulazula kokubhalisa, ukuphambuka kwesithombe noma ukugqagqana kweshidi.
Izilungiselelo zokucindezela ezingalungile nazo zinegalelo ekungazinzini. Ukucindezela okukhulu kuholela ku-ink squash kanye nokulahlekelwa imininingwane emincane, kuyilapho ukucindezela okunganele kuholela ekukhiqizeni kombala okubuthakathaka. Ukudlidliza kwemishini, amagiya angagcinwanga kahle noma ukucindezeleka kwewebhu okungaguquki kuyandisa inkinga, ikakhulukazi ekukhiqizeni kwesikhathi eside noma okusheshayo. Ukulinganisa okuvamile, ukulungiswa kokuvimbela kanye nokuqapha okuzenzakalelayo kubalulekile ekugcineni ukuguquguquka kwemishini kulawulwa.
Izinto Ezithinta Uyinki Namakhemikhali
Ukuziphatha kweyinki kuthonya kakhulu ukuhambisana kokuphrinta. Lapho i-viscosity ishintshashintsha ngenxa yokushintsha kwezinga lokushisa, ukuhwamuka kwe-solvent noma ukuxubana okubi, ubuningi bombala buba obungalingani. Ezindaweni ezinesivinini esikhulu, uyinki owugqinsi kakhulu ungabangela izimpawu zokuhudula, kuyilapho uyinki oxutshwe kakhulu ubangela imibala ehlanziwe.
Ekuphrinteni kwe-offset, ukugcina ibhalansi yamanzi ayinki kubalulekile. Umswakama owedlulele uholela ekuhlanganiseni, ekuqhekekeni nasekubonakaleni kombala okungazinzile. Umswakama onganele ubangela ukugqwala kanye nokushintshashintsha kwemibala ezindaweni ezingezona izithombe. Ukusebenzisana kwamakhemikhali phakathi kwe-inki, izixazululo zomthombo kanye nezinto zokuhlanza nakho kuthinta ukuziphatha kokomisa kanye nokunamathela. Ukuqapha okuqhubekayo kwe-inki kanye nokulawula okuqinile kwemingcele yamakhemikhali kuyadingeka ukuvimbela la maphutha.
Izinkinga Ze-Substrate
Ukwehluka kwe-substrate kuyimbangela enkulu yemiphumela engaguquki, ikakhulukazi lapho ukuphrinta kushintshana phakathi kwabahlinzeki abahlukene noma ukwelashwa kokumboza. Ama-substrate asezingeni eliphansi amunca uyinki ngokungalindelekile, okubangela ukushintsha kombala, ukwanda kwamachashazi, ukufiphala noma ukunamathela okubi. Ukumbozwa kobuso okungalingani, umehluko we-porosity kanye nokwehluka kwesakhiwo sefayibha nakho kuthinta indlela uyinki ohlala ngayo ezintweni.
Ngaphezu kwalokho, ama-substrate amancane kakhulu, azwela umswakama noma aguquguquka kalula angase abe nemibimbi, ama-crease noma agobe ngesikhathi senqubo yokuphrinta. Lokhu kuphazamiseka kuthinta ukunemba kokubhaliswa kanye nokubukeka okuphelele komkhiqizo wokugcina. Ukukhethwa kwe-substrate efanele, ukulungiswa kanye nokuhlolwa kokuhambisana kusiza ukususa eziningi zalezi zingozi ngaphambi kokuba kuqale ukukhiqizwa.
Ithonya Lemvelo
Izimo zemvelo zithinta ngqo ukuzinza komshini, ukugeleza kweyinki kanye nokuziphatha kwe-substrate. Ukushisa okuphezulu kusheshisa ukoma kweyinki kuma-roller, okuholela ekuqhekekeni noma ekuvalekeni kwama-nozzle. Umswakama owedlulele ubangela ukuvuvukala kwephepha, ukugoba kanye nokuphambuka kombala, kuyilapho umswakama ophansi kakhulu ukhulisa ugesi omile kanye namaphutha okudla.
Izici zabantu nazo zidlala indima ebalulekile. Lapho abaqhubi bethembela kakhulu ekulungisweni okwenziwa ngesandla, ukungahambisani kuvela ngenxa yokwahlulela komuntu siqu noma ukukhathala. Ukuntuleka kwezinqubo zokusebenza ezijwayelekile noma ukuqeqeshwa okunganele kwenza kube nzima kakhulu ukugcina ikhwalithi yokuphrinta ezinzile kuyo yonke imijikelezo yokukhiqiza emide. Ukusebenzisa izilawuli zemvelo, ukuhlolwa okuzenzakalelayo kanye nezindinganiso zomsebenzi ezicacile kusiza ukuqinisekisa ukuvumelana.
Indlela Yokuthola Amaphutha Okuphrinta
Ukuthola amaphutha okuphrinta kudinga inhlanganisela yokuqwashisa komqhubi, ukuqapha okwenziwa ngesikhathi kanye nobuchwepheshe bokuhlola okuzenzakalelayo. Ukutholwa kusenesikhathi kusiza abakhiqizi ukugwema ukungcola, balondoloze ukunemba kombala futhi baqinisekise ukuthi yonke inqwaba ihlangabezana nezidingo zomkhiqizo kanye nezomthetho. Ngezansi kunezindlela eziphumelela kakhulu ezisetshenziswa ezindaweni zokuphrinta zesimanje.
Ukuhlolwa Okubonakalayo Okwenziwa Abasebenzi
Ngokwesiko, abaphrinta abaningi bathembele kubasebenzi abanekhono ukuhlola amasampula ngesikhathi sokukhiqiza. Abasebenzi baqhathanisa ngokubonakalayo amaphepha aphrintiwe nobufakazi bokubhekisela, befuna izinkinga ezifana nokwehluka kombala, ukubhaliswa okungalungile, imicu, ukungcoliswa noma imininingwane engekho.
Nakuba le ndlela iguquguquka futhi ingabizi kakhulu, incike kakhulu ekuhluleleni komuntu ngamunye kanye nezimo zokubuka njengokukhanya nokukhathala. Njengoba ijubane lokuphrinta landa futhi ubunzima bomsebenzi bukhuphuka, ukuhlolwa ngesandla kukodwa kuvame ukwehluleka ukubamba amaphutha amancane noma ashintsha ngokushesha.
Izinhlelo Zokuqapha Ezisebenza Kuma-Press
Imishini eminingi yesimanje ifaka izici zokuqapha ezakhelwe ngaphakathi ezisiza ekuqiniseni izimo zokuphrinta. Lezi zinhlelo zilandelela amapharamitha afana nokuphakelwa kweyinki, ibhalansi yamanzi, ukucindezeleka, ingcindezi kanye nokuqondaniswa kwemidiya. Izinzwa zingabona izinkinga ezifana namazinga aphansi eyinki, ukuqhuma kwe-nozzle okungalingani noma ukucindezeleka kwewebhu okungajwayelekile ngaphambi kokudala amaqoqo amakhulu emfucuza.
Kodwa-ke, ama-monitor akhelwe ngaphakathi athola kakhulu amaphutha aseceleni komshini. Awahloli isithombe esiphrintiwe ngokwaso, okusho ukuthi amanye amaphutha angabonakali.
Ukulinganisa Umbala Nokulawula Ubuningi
Amathuluzi okulawula umbala afana nama-spectrophotometer, ama-densitometer kanye namabha ombala angaphakathi komugqa asiza ukuqinisekisa ukuvumelana kombala kulo lonke ukuphrinta. Lawa madivayisi alinganisa ubuningi, amanani e-LAB, ukuzuza kwamachashazi kanye nebhalansi empunga ngezikhathi ezijwayelekile.
Ukulinganisa umbala njalo kubaluleke kakhulu ekupakisheni, emithini yezokwelapha kanye nasekunyatheliseni kwezentengiselwano okusezingeni eliphezulu, lapho imibala yomkhiqizo kufanele ihlale inembile kuzo zonke izinhlobo ezahlukene zemikhiqizo kanye nokucindezela. Noma kunjalo, la mathuluzi awakwazi ukubona amaphutha angahlobene nombala, njengokungcola, ukuguquka kombhalo noma ukuguquka kwezinto.
Ukuhlolwa Kombono Womshini Ozenzakalelayo (Okusebenza Kakhulu)
Ukuhlolwa kombono womshini ozenzakalelayo sekuyindlela ethembeke kakhulu yokuthola amaphutha okuphrinta ngesikhathi sangempela. Ngokusebenzisa amakhamera anesinqumo esiphezulu, ukukhanya okunembile kanye nama-algorithms okucubungula izithombe, lezi zinhlelo ziqhathanisa njalo ishidi ngalinye eliphrintiwe nefayela ledijithali lokuqala futhi ziphawula noma yikuphi ukuphambuka ngokushesha. Zithwebula izinkinga eziningi - kusukela ekushintsheni kombala kanye nokubhaliswa okungalungile kuya ekungcoleni kwendawo, ukufundwa kwebhakhodi kanye nokuguqulwa kwe-substrate - ngisho nangesivinini esikhulu sokukhiqiza. Ezimbonini ezifana nokupakisha, imithi kanye nokushicilela okunenani eliphezulu, ukuhlolwa kombono okuzenzakalelayo sekubalulekile ekufinyeleleni ikhwalithi yokuphrinta ehambisanayo.
Izixazululo zesimanje, njengalezo izinhlelo zokuhlola ukuphrintaokunikezwa yi-SINOMV, kuhlanganisa yonke imisebenzi yokuphrinta okuhlanganisa ukuqinisekiswa kobuciko ngaphambi kokucindezelwa, ukuhlolwa okuqondile ngesikhathi sokuphrinta, kanye nokuhlolwa kwekhwalithi ngemuva kokucindezelwa kwemikhiqizo eqediwe. Le ndlela yokuhlola kusukela ekuqaleni kuya ekugcineni iqinisekisa ukunemba okuqhubekayo kuzo zonke izigaba, inciphisa ukuthembela ekwahluleleni ngesandla futhi ivimbela amaqoqo anephutha ukuthi angaqhubeki phambili emgqeni wokukhiqiza.
Indlela Yokuvimbela Amaphutha Okuphrinta
Ukuvimbela amaphutha okuphrinta kudinga imishini ezinzile, izinto ezilawulwayo kanye nendawo yokukhiqiza ehambisanayo. Ngokugxila emikhubeni embalwa eyinhloko, amaphrinta anganciphisa imfucuza, alondoloze ukunemba kombala futhi athole imiphumela ebikezelwayo ngokuhamba kwesikhathi eside kokukhiqiza.
Gcina futhi Ulinganisele Imishini
Ukugcinwa njalo kuqinisekisa ukuthi umshini usebenza ngokucindezela okuzinzile, ukudluliselwa kweyinki okuhlanzekile kanye nokubhaliswa okunembile. Ukuhlola ama-roller, izingubo zokulala, amasilinda kanye nama-nozzle kusiza ukuvimbela izinkinga ezifana nokuboshwa, ukuphonswa kwe-ghosting kanye nokungahambisani kahle. Ukulinganiswa okuhleliwe kokucindezeleka, amayunithi ombala kanye nezingxenye zemishini kugcina umshini usebenza njalo futhi kunciphisa ukushintshashintsha okungalindelekile ngesikhathi sokuphrinta okusheshayo.
Gcina Izimo Zikayinki Zizinzile
Ukuqina kweyinki, izinga lokushisa kanye nokuvumelana kokuxuba kumele kuhlale kulawulwa kulo lonke ukukhiqizwa ukuze kugwenywe ukushintsha kombala kanye nobuningi obungalingani. Ekuphrinteni kwe-offset, isilinganiso esilinganiselwe seyinki namanzi sivimbela ukuhlanganiswa kwe-emuls, amabala kanye nokuqhekeka. Ngezinqubo zedijithali neze-flexographic, ukuqapha izimo zokomisa noma zokupholisa kuqinisekisa ukubekwa okubushelelezi, ukunamathela okungcono kanye nokuncipha kwamaphutha ahlobene nokugqwala noma ukubopha.
Sebenzisa Izinto Ezingaphansi Ezithembekile
Ikhwalithi ye-substrate inethonya elikhulu ekuzinzeni kokuphrinta. Izinto ezine-coating efanayo, i-porosity ehambisanayo kanye namazinga omswakama afanele kusiza ekunciphiseni ukutholakala kwamachashazi, umehluko wokumuncwa kanye nokuziphatha kombala okungalindelekile. Ukulungisa iphepha noma ifilimu ngaphambi kokuphrinta kunciphisa namaphutha okugoba, ukushwabana kanye nokudla, ikakhulukazi lapho umswakama wendawo ushintsha usuku lonke.
Ukushisa Kokulawula Nomswakama
Izimo zemvelo zithinta ngqo ukusebenza kweyinki kanye nokusabela kwe-substrate. Umswakama ozinzile uvimbela ukuvuvukala kwephepha, ukugoba noma ukungaguquguquki, kuyilapho izinga lokushisa elihambisanayo ligwema ukoma kweyinki ngaphambi kwesikhathi kuma-roller noma kuma-nozzles. Ukugcina izimo ezilawulwayo ezizungeze umshini wokucindezela kuqinisekisa ukuziphatha okubikezelwayo, kunciphisa ukulungiswa komqhubi futhi kusiza ukugcina ikhwalithi yokuphrinta ezinzile kuyo yonke imijikelezo yokukhiqiza emide.
Engeza Ukuhlolwa Okuzenzakalelayo
Ukuhlanganisa ukuhlolwa okuzenzakalelayo emgqeni wokukhiqiza kunikeza amaphrinta indlela eqhubekayo neqondile yokulandelela ikhwalithi. Amakhamera anesinqumo esiphezulu aqapha yonke ishidi noma ilebula ngesivinini esigcwele, ethwebula izinguquko ezicashile opharetha abangase bangazinaki. Izexwayiso zesikhathi sangempela zisiza ukuvimbela amaqoqo anephutha, kuyilapho idatha eqoshiwe isekela ukuxazulula izinkinga, ukwenza ngcono izinqubo kanye nokuthuthukiswa kwekhwalithi yesikhathi eside.
Isiphetho
Amaphutha okuphrinta awanakugwenywa ezindaweni zokukhiqiza ezisheshayo, eziyinkimbinkimbi nezinomthamo omkhulu, kodwa umthelela wawo ungancishiswa kakhulu ngokuhlanganiswa okufanele kokulawulwa kwenqubo nobuchwepheshe. Ngokuqonda izimbangela eziyisisekelo zamaphutha avamile, ukusebenzisa izindlela zokuthola ezihambisanayo nokuqinisa izindlela zokuvimbela, abaphrinta bangagcina umbala ozinzile, bathuthukise ukunemba kokubhalisa futhi banciphise imfucuza kuzo zonke izinhlobo ezahlukene ze-substrates kanye nezinhlelo zokusebenza. Indlela ehlelekile yokuqinisekisa ikhwalithi ayigcini nje ngokuthuthukisa umkhiqizo wansuku zonke kodwa futhi idala ukuhamba komsebenzi wokukhiqiza okubikezelwayo nokuphumelelayo esikhathini eside.