Phakathi kwezinto zesinyithi,i-aluminiyamuIityhubhu zineempawu zokuba namandla aphezulu, imbonakalo entle, ubunzima obuphantsi, azinatyhefu, kwaye azinavumba. Zihlala zisetyenziswa kwimizi-mveliso yezithambiso kunye namayeza. Njengezinto zokuprinta, isinyithi sinemigca emihle yokucubungula kunye noyilo olwahlukeneyo lwesitayile. Isiphumo sokuprinta sihambelana nomanyano lwexabiso lokusetyenziswa kwayo kunye nobugcisa.
ukuprinta ngesinyithi
Ukuprinta kwizinto eziqinileyo ezifana neepleyiti zesinyithi, izikhongozeli zesinyithi (iimveliso ezibunjiweyo), kunye neefoyile zesinyithi. Ukuprinta ngesinyithi akusoloko kuyimveliso yokugqibela, kodwa kufuneka kwenziwe kwizikhongozeli ezahlukeneyo, izigqubuthelo, izixhobo zokwakha, njl.
Iimpawu ze-01
①Imibala eqaqambileyo, iileya ezityebileyo, kunye nemiphumo emihle yokubonakala.
②Izinto zokuprinta zinokusetyenzwa kakuhle kwaye ziyahlukahluka kuyilo lwesitayile. (Zinokwenza uyilo olutsha nolwahlukileyo lwesitayile, zenze ii-cylinders ezahlukeneyo ezineemilo ezikhethekileyo, ii-cans, iibhokisi kunye nezinye izikhongozeli zokupakisha, zihombise iimveliso kwaye ziphucule ukukhuphisana kwemveliso)
③Inceda ekufezekiseni umanyano lwexabiso lokusetyenziswa kunye nobugcisa bemveliso. (Izinto zesinyithi zisebenza kakuhle kwaye ukumelana nokuguguleka kunye nokuqina kweinki kudala iimeko zokufezekisa uyilo olulodwa kunye nokuprintwa okugqwesileyo, ukuphucula ukuqina kunye nokugcinwa kweemveliso, kwaye zibubunye bexabiso lokusetyenziswa kwemveliso kunye nobugcisa)
02 Ukukhetha indlela yokuprinta
Ngokuxhomekeke kwimilo ye-substrate, uninzi lwabo lusebenzisa ushicilelo lwe-offset, kuba ushicilelo lwe-offset lushicilelo olungathanga ngqo, oluxhomekeke kwi-roller yerabha elastiki ukuze iqhagamshelane ne-substrate eqinileyo ukuze kugqitywe ukudluliselwa kwe-inki.
①Ishidi elisicaba (ithini yepleyiti eneziqwenga ezintathu)---------ukuprinta kwe-offset
②Iimveliso ezibunjiweyo (iithini ze-aluminium ezineziqwenga ezibini ezifakwe isitampu) ------- ukuprinta nge-letterpress offset (ukuprinta nge-dry offset)
Ukulumkela
Okokuqala: Ukuprinta izinto zesinyithi, indlela yokuprinta ngokuthe ngqo yokuprinta ngokuthe ngqo ipleyiti yokuprinta yesinyithi esiqinileyo kunye nesiseko esiqinileyo ayinakusetyenziswa, kwaye ukuprinta okungathanga ngqo kudla ngokusetyenziswa.
Okwesibini: Iprintwa kakhulu yi-lithographic offset printing kunye ne-letterpress dry offset printing.
2. Izinto zokuprinta
Ukuprinta kwizinto eziqinileyo ezifana neepleyiti zesinyithi, izikhongozeli zesinyithi (iimveliso ezibunjiweyo), kunye neefoyile zesinyithi. Ukuprinta ngesinyithi akusoloko kuyimveliso yokugqibela, kodwa kufuneka kwenziwe kwizikhongozeli ezahlukeneyo, izigqubuthelo, izixhobo zokwakha, njl.
Ipleyiti ye-01tin
(Ipleyiti yentsimbi egqunywe ngetin)
Izinto eziphambili zokuprinta zesinyithi zigqunywe ngetin kwipleyiti yesinyithi ebhityileyo. Ubukhulu ngokubanzi buyi-0.1-0.4mm.
①Umbono we-tinplate onqamlezileyo:
Umsebenzi wefilimu yeoyile kukuthintela imikrwelo yomphezulu ebangelwa kukungqubana ngexesha lokuqokelelana, ukubopha okanye ukuthuthwa kwamacwecwe esinyithi.
② Ngokweenkqubo ezahlukeneyo zokugquma itin, yahlulwe yaba: i-hot dip plated tinplate; i-electroplated tinplate
Ipleyiti yentsimbi ebhityileyo ye-02Wuxi
Ipleyiti yentsimbi engasebenzisi kwaphela i-tin. Umaleko okhuselayo wenziwe yi-chromium yesinyithi ebhityileyo kakhulu kunye ne-chromium hydroxide:
①Umbono wecandelo elinqamlezileyo le-TFS
Umaleko we-chromium wesinyithi unokuphucula ukumelana nokugqwala, kwaye i-chromium hydroxide izalisa iimbobo kumaleko we-chromium ukuthintela ukugqwala.
②Amanqaku:
Okokuqala: Ukukhanya komphezulu wepleyiti yentsimbi ye-TFS akulunganga. Ukuba iprintwe ngqo, ukucaca kwepateni kuya kuba kuncinci.
Okwesibini: Xa usebenzisa, faka ipeyinti ukugquma umphezulu wepleyiti yentsimbi ukuze ufumane ukunamathela okuhle kwe-inki kunye nokumelana nokugqwala.
Ipleyiti yesinyithi ye-zinc engu-03
Ipleyiti yentsimbi eqengqelekayo ebandayo igqunywe nge-zinc enyibilikisiweyo ukuze kwenziwe ipleyiti yentsimbi ye-zinc. Ukugquma ipleyiti yentsimbi ye-zinc ngepeyinti enemibala kuba yipleyiti ye-zinc enemibala, esetyenziselwa iiphaneli zokuhombisa.
04 Iphepha le-aluminiyam (izinto ze-aluminium)
①Uhlu lweentlobo ngeentlobo
Iisheyiti ze-aluminiyam zineempawu ezintle kakhulu. Kwangaxeshanye, ukukhanya komphezulu wepleyiti ye-aluminiyam kuphezulu, ukuprintwa kulungile, kwaye iziphumo ezilungileyo zokuprinta zinokufumaneka. Ke ngoko, kushicilelo lwesinyithi, iisheyiti ze-aluminiyam zisetyenziswa kakhulu.
②Iimpawu eziphambili:
Xa kuthelekiswa neepleyiti zentsimbi ze-tinplate kunye ne-TFS, ubunzima bukhaphukhaphu nge-1/3;
Ayivelisi ii-oxides emva kokufaka umbala njengeepleyiti zesinyithi;
Akukho vumba lesinyithi eliya kuveliswa ngenxa yokuna kwee-ion zesinyithi;
Unyango lomphezulu lulula, kwaye iziphumo zombala oqaqambileyo zinokufunyanwa emva kokufaka imibala;
Isebenza kakuhle ekudluliseni ubushushu kunye nokusebenza kakuhle kokukhanya, kwaye inamandla okugquma ukukhanya okanye igesi.
③Amanqaku
Emva kokuqengqeleka ngokuphindaphindiweyo iipleyiti ze-aluminiyam ngokubandayo, izinto ziya kuba buthathaka njengoko ziqina, ngoko ke amaphepha e-aluminiyam kufuneka acinywe aze athanjiswe.
Xa kugqunywa okanye kuprintwa, kuya kuthamba ngenxa yokunyuka kwamaqondo obushushu. Izinto zepleyiti ye-aluminiyam kufuneka zikhethwe ngokwenjongo yokusetyenziswa.
3. I-inki yokuprinta ngentsimbi (ipeyinti)
Umphezulu we-substrate yesinyithi ugudile, uqinile kwaye awunayo i-inki efunxayo kakuhle, ngoko ke kufuneka kusetyenziswe i-inki yokuprinta eyomisa ngokukhawuleza. Ekubeni ukupakisha kuneemfuno ezininzi ezikhethekileyo kwaye kukho amanyathelo amaninzi okulungisa i-coating ngaphambi kokuprinta kunye ne-post-printing kwiikhonteyina zesinyithi, kukho iintlobo ezininzi ze-inki zokuprinta zesinyithi.
01Ipeyinti yangaphakathi
I-inki (i-coating) egqunywe eludongeni lwangaphakathi lwesinyithi ibizwa ngokuba yi-internal coating.
①Umsebenzi
Qinisekisa ukuba isinyithi siyahlukaniswa kwizinto eziqulethwe kuso ukuze kukhuselwe ukutya;
Gquma umbala wepleyiti yetin ngokwayo.
Khusela ishiti yesinyithi ekuboleni yizinto ezingaphakathi.
②Iimfuneko
Ipeyinti idibana ngqo nomxholo, ngoko ke ipeyinti kufuneka ingabi natyhefu kwaye ingabi navumba. Ifanele yomiswe kwisixhobo sokomisa emva kokugqunywa ngaphakathi.
③Uhlobo
Ipeyinti yohlobo lweziqhamo
Izinto zokudibanisa ezisetyenziswa kakhulu njenge-resin enamafutha.
Iingubo ezisekwe kumbona kunye neenkozo
Ngokuyintloko yi-oleoresin type binder, kunye namasuntswana amancinci e-zinc oxide eyongeziweyo.
ugqubuthelo lohlobo lwenyama
Ukuthintela ukugqwala, kusetyenziswa kakhulu izinto zokudibanisa ze-phenolic resin kunye ne-epoxy resin, kwaye ezinye ii-pigment ze-aluminium zihlala zongezwa ukuthintela ungcoliseko lwesalfure.
Ipeyinti ngokubanzi
Ngokuyintloko yi-oleoresin type binder, kunye ne-phenolic resin eyongeziweyo.
02 Ukwaleka kwangaphandle
I-inki (i-coating) esetyenziselwa ukuprinta kumaleko wangaphandle wezikhongozeli zokupakisha zesinyithi yi-coating yangaphandle, esetyenziselwa ukwandisa inkangeleko nokuqina.
① Ipeyinti yeprimer
Isetyenziswa njengesixhobo sokuqala ngaphambi kokuprinta ukuqinisekisa unxibelelwano oluhle phakathi kwe-inki emhlophe kunye neshiti yesinyithi kunye nokuphucula ukunamathela kwe-inki.
Iimfuno zobugcisa: I-primer kufuneka ibe nobuhlobo obuhle nomphezulu wesinyithi kunye ne-inki, ukunyibilika okuhle, umbala okhanyayo, ukumelana kakuhle kwamanzi, kunye nobukhulu bokugquma obumalunga ne-10 μm.
②Inki emhlophe - esetyenziselwa ukwenza isiseko esimhlophe
Isetyenziswa njengombala ongasemva wokuprinta imifanekiso kunye nombhalo opheleleyo. Ingubo kufuneka inamathele kakuhle kwaye ibe mhlophe, kwaye akufuneki itshintshe ibe tyheli okanye ifiphale xa kubhakwa ngobushushu obuphezulu, kwaye akufuneki ixobule okanye ixobule ngexesha lenkqubo yokwenza itini.
Umsebenzi kukwenza i-inki enemibala eprintiweyo kuyo icace ngakumbi. Ngokwesiqhelo kusetyenziswa ii-coats ezimbini okanye ezintathu nge-roller ukuze kufunyanwe ubumhlophe obufunekayo. Ukuze kuthintelwe ukuba i-inki emhlophe ingabi tyheli ngexesha lokubhaka, kunokongezwa ezinye ii-pigments, ezibizwa ngokuba zii-toner.
③Inki enemibala
Ukongeza kwiimpawu ze-inki yokushicilela ye-lithographic, ikwanokumelana okuhle nokubhaka, ukupheka kunye nokumelana nesinyibilikisi esishushu kakhulu. Uninzi lwazo yi-inki yokushicilela i-UV iron. Iimpawu zayo ze-rheological ziyafana neze-inki ye-lithographic, kwaye i-viscosity yayo yi-10 ~ 15s (ukwaleka: Inombolo 4 cup / 20℃)
4. Ukuprinta ipayipi yesinyithi
Ipayipi yesinyithi sisitya sokupakisha esisilinda esenziwe ngezinto zesinyithi. Sisetyenziswa kakhulu ekupakisheni izinto ezifana nentlama, njengezikhongozeli ezikhethekileyo ze-toothpaste, i-polish yezihlangu kunye ne-ointments zonyango. Ukuprinta ipayipi yesinyithi kukuprinta okugobileyo komphezulu. Ipleyiti yokuprinta yipleyiti yobhedu kunye nepleyiti ye-resin ethambileyo, kusetyenziswa inkqubo yokuprinta ye-letterpress offset: iipayipi zesinyithi ikakhulu zibhekisa kwiityhubhu ze-aluminium. Ukwenziwa nokuprintwa kweetyhubhu ze-aluminium kugqitywa kumgca wemveliso ozenzekelayo oqhubekayo. Emva kokunyathelisa okushushu kunye nokuqhoboshela, i-billet ye-aluminium iqala ukungena kwinkqubo yokuprinta.
Iimpawu ze-01
Intlama inoburhabaxa obuthile, kulula ukuyincamathisela nokuyitshintsha, kwaye kulula ukuyipakisha ngeepayipi zesinyithi. Iimpawu zayo zezi: ivalwe ngokupheleleyo, inokwahlukanisa imithombo yokukhanya yangaphandle, umoya, ukufuma, njl.njl., ubutsha obuhle kunye nokugcinwa kwencasa, ukucutshungulwa lula kwezinto, ukusebenza kakuhle, ukuzaliswa. Iimveliso ziyakhawuleza, zichanekile kwaye zibiza kancinci, kwaye zithandwa kakhulu ngabathengi.
Indlela yokucubungula ye-02
Okokuqala, izinto zesinyithi zenziwa umzimba wepayipi, emva koko kwenziwa ushicilelo kunye nokucubungula emva kokuprinta. Yonke inkqubo ukusuka ekuhlanjululeni iityhubhu, ukugquma kwangaphakathi, iprimer ukuya ekuprinteni nasekuvaleni igqityiwe kumgca wokuvelisa iityhubhu ngokuzenzekelayo ngokupheleleyo.
Uhlobo lwe-03
Ngokwezinto ezisetyenziswayo xa kusenziwa umbhobho, kukho iintlobo ezintathu:
①Ipayipi yetin
Ixabiso liphezulu kwaye alisetyenziswa rhoqo. Kusetyenziswa amayeza athile akhethekileyo kuphela ngenxa yohlobo lwemveliso.
②Ipayipi yelothe
Ilothe inetyhefu kwaye iyingozi emzimbeni womntu. Ayisetyenziswa rhoqo ngoku (phantse ithintelwe) kwaye isetyenziswa kuphela kwiimveliso ezine-fluoride.
③Ipayipi ye-aluminiyam (esetyenziswa kakhulu)
Amandla aphezulu, imbonakalo entle, ubunzima obuphantsi, ayinatyhefu, ayinancasa kwaye inexabiso eliphantsi. Isetyenziswa kakhulu ekupakisheni izinto zokuthambisa, i-toothpaste ekumgangatho ophezulu, amayeza, ukutya, iimveliso zasekhaya, imibala, njl.
04 ubugcisa bokuprinta
Inkqubo iqhubeka ngolu hlobo: ukuprinta umbala wangasemva kunye nokomisa - ukuprinta imizobo kunye nombhalo kunye nokomisa.
Inxalenye yokuprinta isebenzisa isakhiwo sesathelayithi kwaye ixhotyiswe ngesixhobo sombala osisiseko kunye nesokomisa. Indlela yokuprinta umbala osisiseko yahlulwe kwezinye iindlela, kwaye isixhobo sokomisa se-infrared sifakwe embindini.
①Printa umbala ongasemva
Sebenzisa iprimer emhlophe ukuprinta umbala osisiseko, upende utyebile, kwaye umphezulu uthe tyaba kwaye uthambile. Ukuze ufumane iziphumo ezikhethekileyo, umbala ongasemva ungalungiswa ube nemibala eyahlukeneyo, efana nepinki okanye luhlaza okwesibhakabhaka.
②Ukomisa umbala ongasemva
Yifake kwi-oven eshushu kakhulu ukuze uyibhake. Umbhobho awuyi kuba tyheli emva kokuba womile kodwa kufuneka ube nokunamathelana okuncinci phezu komphezulu.
③Ukuprinta imifanekiso kunye nombhalo
Isixhobo sokudlulisa i-inki sidlulisela i-inki kwipleyiti yokunceda, kwaye i-inki yemizobo kunye nemibhalo yepleyiti nganye yokushicilela idluliselwa kwingubo. Irola yerabha iprinta i-graphic kunye nemibhalo eludongeni lwangaphandle lwepayipi ngaxeshanye.
Imizobo yepayipi kunye nombhalo ngokubanzi ziqinile, kwaye iiprinti ezinemibala emininzi azihambelani. Irola yerabha ijikeleza kube kanye ukuze kugqitywe ukuprintwa kweepayipi ezininzi. Ipayipi ibekwa kwi-mandrel yediski ejikelezayo kwaye ayijikelezi yodwa. Ijikeleza kuphela ngokungqubana emva kokudibana nerola yerabha.
④Ukuprinta nokomisa
Umbhobho oprintiweyo kufuneka womiswe kwi-oven, kwaye ubushushu kunye nexesha lokomisa kufuneka kukhethwe ngokweempawu ze-antioxidant ze-inki.
Ixesha leposi: Meyi-15-2024