Ukunyathela okushisayo kuyindlela ebalulekile yokuqedela ubuso obunemiphumela yensimbi. Kungathuthukisa umphumela obonakalayo wezimpawu zokuhweba, amabhokisi, amalebula neminye imikhiqizo. Ukunyathela okushisayo kanye nokunyathela okubandayo kokubili kusetshenziselwa ukwenza ukupakishwa komkhiqizo kukhanye futhi kukhanye, okusiza ekudonseni ukunaka kwamakhasimende nokuheha ukunaka kwabathengi.
Ukunyathela okushisayo/ukunyathela okushisayo
Ingqikithi yokunyathelisa okushisayo ukunyathelisa kokudlulisa, okuyinqubo yokudlulisa iphethini ku-aluminium efakwe ngogesi iye ku-substrate ngesenzo sokushisa nokucindezela. Lapho ipuleti lokunyathelisa lishiswa ngezinga elithile kanye nepuleti lesisekelo sokushisa likagesi elinamathiselwe, licindezelwa ephepheni ngefilimu ye-aluminium efakwe ngogesi, bese ungqimba lweglue, ungqimba lwe-aluminium yensimbi kanye nongqimba lombala olunamathiselwe kwifilimu ye-polyester kudluliselwa ephepheni ngesenzo sokushisa nokucindezela.
Ubuchwepheshe bokunyathela okushisayo
Kubhekisele kubuchwepheshe bokucubungula bokudlulisela izinto zokunyathela ezishisayo (ngokuvamile ifilimu ye-aluminium efakwe ngogesi noma enye ingubo ekhethekile) entweni yokunyathela eshisayo ngephethini ethile yokunyathela eshisayo entweni yokunyathela eshisayo njengephepha, ikhadibhodi, indwangu, ingubo, njll.
1. Ukuhlukaniswa
Ukunyathela okushisayo kungahlukaniswa kube ukunyathela okushisayo okuzenzakalelayo kanye nokunyathela okushisayo ngesandla ngokwezinga lokuzenzakalela kwenqubo. Ngokwendlela yokunyathela okushisayo, kungahlukaniswa ngezinhlobo ezine ezilandelayo:
2. Izinzuzo
1) Ikhwalithi enhle, ukunemba okuphezulu, imiphetho ecacile nebukhali yezithombe ezishisayo zokunyathela.
2) Ukucwebezela okuphezulu, amaphethini okunyathela ashisayo akhanyayo futhi abushelelezi.
3) Kunezinhlobo eziningi zama-hot stamping foils atholakalayo, njengemibala ehlukene noma imiphumela ehlukene yokucwebezela, kanye nama-hot stamping foils afanelekela ama-substrate ahlukene.
4) Ukunyathelisa okushisayo okunezinhlangothi ezintathu kungenziwa. Kunganikeza ukupakishwa umuzwa oyingqayizivele. Ngaphezu kwalokho, ipuleti lokunyathelisa okushisayo elinobukhulu obuthathu lenziwa nge-computer numeral control engraving (CNC) ukwenza ipuleti lokunyathelisa okushisayo, ukuze izendlalelo ezinhlangothi ezintathu zesithombe sokunyathelisa okushisayo zibonakale, zakha umphumela wokukhululeka ebusweni bomkhiqizo ophrintiwe, futhi zikhiqize umthelela obonakalayo onamandla.
3. Ukungalungi
1) Inqubo yokunyathela okushisayo idinga imishini ekhethekile
2) Inqubo yokunyathela okushisayo idinga idivayisi yokushisa
3) Inqubo yokunyathela okushisayo idinga idivayisi yokushisa ukuze kwenziwe ipuleti lokunyathela elishisayo. Ngakho-ke, ukunyathela okushisayo kungafeza umphumela wokunyathela okushisayo osezingeni eliphezulu, kodwa izindleko nazo ziphakeme. Intengo ye-rotary hot stamping roller iphakeme kakhulu, okubangela ingxenye enkulu yezindleko zenqubo yokunyathela okushisayo.
4. Izici
Iphethini icacile futhi yinhle, umbala ukhanya futhi uyakhanga amehlo, awugugi futhi awugugi. Kumalebula kagwayi aphrintiwe, ukusetshenziswa kobuchwepheshe bokunyathelisa okushisayo kubalwa ngaphezu kuka-85%, kanti ukunyathelisa okushisayo ekwakhiweni kwezithombe kungadlala indima ekungezeni ukuthinta kokuqeda nokugqamisa itimu yomklamo, ikakhulukazi izimpawu zokuhweba namagama abhalisiwe, umphumela ubaluleke kakhulu.
5. Izinto ezithonyayo
Izinga lokushisa
Izinga lokushisa lokushisa likagesi kufanele lilawulwe phakathi kuka-70 no-180℃. Ezindaweni ezinkulu zokunyathela okushisayo, izinga lokushisa lokushisa likagesi kufanele libe phezulu kakhulu; kumbhalo omncane nemigqa, indawo yokunyathela okushisayo incane, izinga lokushisa lokunyathela okushisayo kufanele libe phansi. Ngesikhathi esifanayo, izinga lokushisa lokushisa lokushisa elifanele izinhlobo ezahlukene ze-aluminium efakwe ngogesi nalo lihlukile. 1# ingu-80-95℃; 8# ingu-75-95℃; 12# ingu-75-90℃; 15# ingu-60-70℃; kanti i-foil yegolide elihlanzekile ingu-80-130℃; i-foil yegolide eliyimpuphu kanye ne-foil yesiliva eyimpuphu ingu-70-120℃. Yiqiniso, izinga lokushisa lokushisa elifanele kakhulu lokunyathela okushisayo kufanele libe izinga lokushisa eliphansi kakhulu elingaqopha imigqa yezithombe ecacile, futhi linganqunywa kuphela ngokunyathela okushisayo kwesilingo.
Umfutho womoya
Ukudluliselwa kokunyathelisa okushisayo kwesendlalelo se-aluminiyamu kumele kuqedwe ngokucindezela, futhi ubukhulu bokucindezela kokunyathelisa okushisayo kuthinta ukunamathela kwe-aluminiyamu efakwe ngogesi. Ngisho noma izinga lokushisa lifanele, uma ukucindezela kunganele, i-aluminiyamu efakwe ngogesi ayikwazi ukudluliselwa kahle ku-substrate, okuzobangela izinkinga ezifana nokunyathelisa okubuthakathaka namapuleti anezimbali; ngokuphambene nalokho, uma ukucindezela kuphakeme kakhulu, ukuguquguquka kokucindezela kwephedi kanye ne-substrate kukhulu kakhulu, ukunyathelisa kuzoba nzima, futhi kunamathele ngisho futhi kunamathisele ipuleti. Ngokuvamile, ukucindezela kokunyathelisa okushisayo kufanele kuncishiswe ngokufanele ukuze kungabikho ukufiphala nokunamathela okuhle.
Ukulungisa ingcindezi yokunyathela okushisayo kufanele kusekelwe ezintweni ezahlukahlukene ezifana ne-substrate, izinga lokushisa lokunyathela okushisayo, isivinini semoto, kanye ne-aluminium eboshwe ngogesi uqobo. Ngokuvamile, ingcindezi yokunyathela okushisayo kufanele ibe ncane uma iphepha liqinile futhi libushelelezi, ungqimba lweyinki oluphrintiwe lujiyile, kanti izinga lokushisa lokunyathela okushisayo liphezulu kanti ijubane lemoto lihamba kancane. Ngokuphambene nalokho, kufanele libe likhulu. Ingcindezi yokunyathela okushisayo kumele ifane. Uma kutholakala ukuthi ukunyathela okushisayo akukuhle futhi kuneziphethini zezimbali engxenyeni ethile, kungenzeka ukuthi ingcindezi lapha incane kakhulu. Ungqimba lwephepha elincane kufanele lubekwe epuletini eliyisicaba kuleyo ndawo ukuze kulinganiswe ingcindezi.
Iphedi yokunyathela eshisayo nayo inethonya elikhulu ekucindezelweni. Amaphedi aqinile angenza amaphrinti abe mahle futhi afanele iphepha eliqinile nelibushelelezi, njengephepha elimboziwe kanye nekhadibhodi yengilazi; kuyilapho amaphedi athambile ephambene nalokho, kanti amaphrinti aqinile, afanelekela ukunyathela okushisayo kwezindawo ezinkulu, ikakhulukazi ezindaweni ezingalingani, ukuthamba nokushelela okubi, kanye nephepha eliqinile. Ngesikhathi esifanayo, ukufakwa kwe-foil yokunyathela eshisayo akufanele kube lukhuni kakhulu noma kukhululeke kakhulu. Uma kuqinile kakhulu, umbhalo ngeke ube nama-strokes; uma kukhululekile kakhulu, umbhalo ngeke ucace futhi ipuleti lizongcoliswa.
Isivinini
Ijubane lokunyathela elishisayo empeleni libonisa isikhathi sokuxhumana phakathi kwe-substrate kanye ne-hot stamping foil ngesikhathi sokunyathela okushisayo, okuthinta ngqo ukushesha kokunyathela okushisayo. Uma ijubane lokunyathela elishisayo lishesha kakhulu, lizobangela ukuthi ukunyathela okushisayo kwehluleke noma ukuphrinta kufiphale; uma ijubane lokunyathela elishisayo lihamba kancane kakhulu, lizothinta kokubili ikhwalithi yokunyathela okushisayo kanye nokusebenza kahle kokukhiqiza.
Ubuchwepheshe be-foil ebandayo
Ubuchwepheshe bokunyathela ngokushisa bubhekisela endleleni yokudlulisa i-hot stamping foil ezintweni zokunyathelisa kusetshenziswa inhlaka ye-UV. Inqubo yokunyathela ngokushisa ingahlukaniswa ngo-dry lamination cold stamping kanye no-wet lamination cold stamping.
1. Izinyathelo zenqubo
Inqubo yokunyathela ebandayo yokubopha i-lamination eyomile
Ingcina ye-UV eboshiwe iqala ilashwe ngaphambi kokunyathelisa okushisayo. Lapho ubuchwepheshe bokunyathelisa okubandayo buqala ukuphuma, kwasetshenziswa inqubo yokunyathelisa okubandayo okomile, futhi izinyathelo zayo eziyinhloko zenqubo yilezi ezilandelayo:
1) Phrinta ingcina ye-cationic UV ezintweni zokunyathelisa ezisongwayo.
2) Lungisa inhlaka ye-UV.
3) Sebenzisa i-pressure roller ukuze uhlanganise i-cold stamping foil kanye nezinto zokunyathelisa.
4) Susa i-hot stamping foil eyengeziwe ezintweni zokunyathelisa, ushiye isithombe esishisayo kanye nombhalo odingekayo engxenyeni embozwe nge-glue.
Kubalulekile ukuqaphela ukuthi uma usebenzisa inqubo yokunyathela ebandayo ye-lamination eyomile, i-UV glue kufanele ipholiswe ngokushesha, kodwa hhayi ngokuphelele. Kubalulekile ukuqinisekisa ukuthi isenokuqina okuthile ngemva kokuphola ukuze ihlanganiswe kahle ne-hot stamping foil.
Inqubo yokunyathela ebandayo ye-lamination emanzi
Ngemva kokusebenzisa ingcina ye-UV, kuqala kwenziwa i-hot stamping bese kuba yi-UV glue epholiswayo. Izinyathelo eziyinhloko zenqubo yilezi ezilandelayo:
1) Ukuphrinta ingcina ye-UV yamahhala e-substrate ye-roll.
2) I-foil yokunyathela ebandayo ehlanganisiwe ku-substrate.
3) Ukwelapha ingcina ye-UV e-free radical. Njengoba ingcina ibekwe phakathi kwe-foil ebandayo yokunyathela kanye ne-substrate ngalesi sikhathi, ukukhanya kwe-UV kumele kudlule ku-foil eshisayo yokunyathela ukuze kufinyelelwe ungqimba lwengcina.
4) Ukuhlubula i-hot stamping foil kusuka ku-substrate bese kwakha isithombe esishisayo stamping ku-substrate.
Kufanele kuqashelwe ukuthi:
Inqubo yokunyathela okubandayo kwe-lamination emanzi isebenzisa ingcina ye-UV yamahhala ukuze ithathe indawo yengcina ye-UV yendabuko ye-cationic;
Ukunamathela kokuqala kwe-UV glue kufanele kube namandla, futhi akufanele kusaba namathela ngemva kokuqina;
Ingqimba ye-aluminium ye-hot stamping foil kufanele ibe nokukhanya okuthile ukuqinisekisa ukuthi ukukhanya kwe-UV kungadlula futhi kubangele ukusabela kokwelapha kwe-UV glue.
Inqubo yokunyathela ngokubandayo ye-lamination emanzi ingasebenzisa i-hot stamp metal foil noma i-holographic foil emshinini wokunyathelisa, futhi ububanzi bokusetshenziswa kwayo buya bukhula. Njengamanje, imishini eminingi yokunyathelisa ye-flexographic enamabhokisi amancane kanye nelebula inalo leli khono lokunyathelisa ngokubandayo ku-inthanethi.
2. Izinzuzo
1) Akukho mishini ekhethekile yokunyathela eshisayo ebizayo edingekayo.
2) Amapuleti avamile e-flexographic angasetshenziswa, futhi asikho isidingo sokwenza amapuleti ensimbi ashisayo. Ijubane lokwenza amapuleti liyashesha, umjikelezo mufushane, futhi izindleko zokukhiqiza ipuleti elishisayo ziphansi.
3) Isivinini sokunyathela esishisayo siyashesha, sifinyelela ku-450fpm.
4) Akukho divayisi yokushisa edingekayo, okusindisa amandla.
5) Kusetshenziswa ipuleti le-resin elithambile elakhiwe nge-photosensitive, isithombe se-halftone kanye nebhulokhi yombala oqinile kungagxivizwa ngesikhathi esifanayo, okungukuthi, isithombe se-halftone kanye nebhulokhi yombala oqinile okufanele kugxivizwe kungenziwa epuletini elifanayo lokugxiviza. Vele, njengokuphrinta i-halftone kanye namabhulokhi ombala oqinile epuletini elifanayo lokugxiviza, umphumela wokugxiviza kanye nekhwalithi yakho kokubili kungase kulahleke ngezinga elithile.
6) Ububanzi bokusetshenziswa kwe-substrate yokunyathela bubanzi, futhi bunganyatheliswa ezintweni ezithinta ukushisa, amafilimu epulasitiki, kanye namalebula angaphakathi kwesikhunta.
3. Ukungalungi
1) Izindleko zokunyathela kanye nobunzima benqubo: Izithombe nemibhalo yokunyathela ebandayo ngokuvamile idinga i-lamination noma i-glazing ukuze kucutshungulwe futhi kuvikelwe okwesibili.
2) Ubuhle bomkhiqizo buncishisiwe: inhlaka enamathelayo ene-viscosity ephezulu esetshenzisiwe ayinazinga elifanele futhi ayibushelelezi, okubangela ukubonakaliswa okusabalele ebusweni be-foil yokunyathela ebandayo, okuthinta umbala kanye nokucwebezela kwezithombe nemibhalo yokunyathela.
4. Isicelo
1) Ukuguquguquka komklamo (ihluzo ezahlukahlukene, imibala eminingi, izinto eziningi, izinqubo eziningi);
2) Amaphethini amahle, umbhalo ongenalutho, amachashazi, izinto ezinkulu eziqinile;
3) Umphumela we-gradient wemibala yensimbi;
4) Ukunemba okuphezulu kokunyathelisa ngemuva kokunyathelisa;
5) Ukuphrinta ngemuva kokuguquguquka - ungaxhunyiwe ku-inthanethi noma ku-inthanethi;
6) Akukho monakalo ezintweni ezingaphansi komhlabathi;
7) Akukho ukuguquka kobuso be-substrate (akudingeki izinga lokushisa/ingcindezi);
8) Akukho ukugoba ngemuva kwesisekelo, okubaluleke kakhulu kweminye imikhiqizo ephrintiwe, njengomagazini nezembozo zezincwadi.
Isikhathi sokuthunyelwe: Agasti-05-2024