Uhlalutyo lweengxaki zesicelo kwinkqubo ye-inki esekelwe emanzini

I-inki ezisekelwe emanzini zidibana neengxaki ezahlukeneyo kwizicelo eziphathekayo, ezinokubandakanya ukusebenza kwe-inki, inkqubo yokushicilela, ukuguquguquka kwe-substrate, kunye nemiba yokusingqongileyo. Ezi zilandelayo ziingxaki ezithile: 1. isantya sokumisa: isantya sokumisa se-inki esekwe emanzini sihlala sicotha kune-inki esekwe kwi-solvent, enokukhokelela kwingxaki yokushicilela, ukubhloka okanye ukucutha ukusebenza kakuhle kokushicilela. 2. Ukubambelela: Kwezinye ii-substrates, ukudibanisa kwee-inki ezisekelwe kumanzi kungabi namandla njenge-solvent-based-inks, enokubangela ukuba iphethini eprintiweyo iwe okanye igqoke lula. 3. Ukuxhatshazwa kwamanzi kunye nokunyanzeliswa kweekhemikhali: Ukuxhatshazwa kwamanzi kunye nokunyanzeliswa kweekhemikhali zeenki ezisekelwe emanzini kunokungonelanga, oku kunokuchaphazela ukuqina kunye nokuzinza kombala weeprints. Ukukhanya kombala kunye nokuzaliswa: Iinki ezisekelwe emanzini zisenokungabi zilungile njengezinye ii-inks ezisekwe kwi-solvent malunga nokukhanya kombala kunye nokugcwala, okunokuthi kunciphise ukusetyenziswa kwazo kwiimveliso eziprintiweyo ezikumgangatho ophezulu. Ukuchaneka kokushicilela: I-inki esekwe emanzini inokubhabha nge-inki ngexesha loshicilelo olukhawulezayo, oluchaphazela ukuchaneka koshicilelo kunye nokucaca. Uzinzo lokugcina: Ukuzinza kokugcinwa kwee-inki ezisekelwe emanzini kusenokungabi kuhle njenge-inki ezisekwe kwi-solvent. Ingqwalasela ekhethekileyo kufuneka ihlawulwe kwiimeko zokugcina ukuphepha ukuwohloka kwe-inki. Ukuziqhelanisa nokusingqongileyo: I-inki esekwe emanzini ichaphazeleka ngakumbi kukufuma kwemekobume kunye nobushushu, kwaye iimeko zokusingqongileyo ezingafanelekanga zinokuchaphazela umgangatho kunye nesiphumo soshicilelo lwe-inki. 8. Ukuhambelana kwezixhobo zokuprinta: Ukutshintshela kwiinki ezisekelwe emanzini kunokufuna ukulungiswa okanye ukuguqulwa kwezixhobo zokushicilela ezikhoyo ukuze zihambelane neempawu zeenki ezisekelwe emanzini. Ukuze ukusombulula ezi ngxaki, abaphandi kunye neenjineli bayaqhubeka nokuphucula ukuqulunqwa kwe-inki esekelwe emanzini, ukuphucula ukusebenza kwayo, kodwa nakwiteknoloji yoshicilelo kunye nokuveliswa kwezinto ezintsha, ukuze kulungiswe kakuhle iimpawu ze-inki esekelwe emanzini. Ukongezelela, ukukhethwa kwee-substrates ezifanelekileyo kunye neendlela zokulungiswa kwangaphambili kungundoqo wokuqinisekisa iziphumo ezilungileyo zokuprinta iinki ezisekelwe emanzini.

Ngezantsi, ndingathanda ukwabelana ngemiba emithathu kwi-inki kunye nobuchule bokuhlamba.

Ziziphi izinto ezichaphazela isantya sokumisa ii-inki ezisekelwe emanzini?

Yintoni ebangela ukuba i-inki ezisekelwe emanzini zophe ephepheni?

Ngaba i-inki esekwe emanzini izinzile? Indlela yokuthintela ubunzulu bombala ongalinganiyo?

Ziziphi izinto ezichaphazela isantya sokumisa ii-inki ezisekelwe emanzini?

Isantya sokumisa i-inki esekelwe emanzini ibhekisela kwixesha elifunekayo lokumisa emva kokuba inki idluliselwe kwi-substrate. Ukuba i-inki yoma ngokukhawuleza kakhulu, iya koma kwaye ngokuthe ngcembe iqokelelane kwipleyiti yokushicilela kunye ne-anilox roller, kwaye inokuvala i-anilox roller, ekhokelela ekulahlekeni okanye ekutshatyalalisweni kwamachaphaza e-halftone kunye nokuvuza okumhlophe kwindawo leyo. Isantya sokumisa i-inki sicotha kakhulu, kushicilelo olungaphezulu ngemibala emininzi luya kubangela ukuba umva uncangathi umdaka. Kunokuthiwa isantya sokumisa yinqobo ebalulekileyo yokugweba umgangatho wokushicilela we-inki esekelwe emanzini. Ekubeni isantya sokumisa sibaluleke kakhulu, zeziphi izinto ezichaphazela isantya sokumisa i-inki esekelwe emanzini?

Ixabiso le-PH, ixabiso le-PH libhekiselele ekuxhathiseni kwe-alkali ye-inki esekelwe emanzini, eyona nto ibalulekileyo yokumisela i-inki esekelwe emanzini kunye nokuprintwa. Ukuba ixabiso le-PH le-inki esekwe emanzini liphezulu kakhulu, i-alkalinity enamandla kakhulu iya kuchaphazela isantya sokumisa se-inki, okukhokelela kumqolo omdaka kunye nokunganyangeki kwamanzi. Ukuba ixabiso le-PH liphantsi kakhulu kwaye i-alkalinity ibuthathaka kakhulu, i-viscosity ye-inki iya kwanda kwaye isantya sokumisa siya kuba ngokukhawuleza, okuya kubangela lula iziphene ezinjengokungcola, okuya kubangela lula. Kwiimeko eziqhelekileyo, kufuneka silawule ixabiso le-pH le-inki esekwe emanzini phakathi kwe-8.0 kunye ne-9.5.

I-2, indawo yokushicilela, ukongeza kwi-inki ngokwayo, indlela esiprinta ngayo imeko yangaphandle iya kuchaphazela isantya sokumisa i-inki esekelwe kumanzi, njengobushushu kunye nokufuma kwe-workshop yokushicilela kuchaphazela isantya sokumisa i-inki esekelwe emanzini. , umswakama ohambelanayo ufikelela kwi-95% Xa kuthelekiswa ne-65%, ixesha lokumisa liphantse liphindwe kabini. Kwangaxeshanye, indawo yokungenisa umoya iya kuchaphazela isantya sokumisa se-inki esekwe emanzini. Iqondo lokungena komoya lilungile, isantya sokumisa siyakhawuleza, ukungena komoya akubi kakuhle, kwaye isantya sokumisa siyacotha.

I-substrate, ngokuqinisekileyo, ukongeza kwezi zimbini zingentla, ichaphazeleka ngexabiso le-PH ye-substrate ngokwayo xa i-inki esekelwe emanzini iprintwa kumphezulu we-substrate. Xa iphepha li-acidic, i-agent edibanisayo esetyenziswa njenge-drier kwi-inki esekelwe emanzini ayisebenzi, kwaye i-alkali kwi-inki esekelwe emanzini ayithinteli ukuqhubela phambili ukomisa. Xa iphepha linealkaline, i-inki esekwe emanzini iyoma kancinane, nto leyo ngamanye amaxesha inciphisa i-inki esekwe emanzini ukuze ifikelele ukuxhathisa ngokupheleleyo kwamanzi. Ngoko ke, ixabiso le-pH le-substrate liyakuchaphazela isantya sokumisa kwi-inki esekelwe emanzini. Ngokuqinisekileyo, ukongeza kule miba mithathu ingentla apha, kukho ezinye izinto eziya kuchaphazela isantya sokumisa i-inki esekelwe emanzini, njengendlela yokupakisha i-substrates, njl., Apha asiyi kwenza isingeniso esicacileyo.

Yintoni ebangela ukuba i-inki ezisekelwe emanzini zophe ephepheni?

Sisiphi isizathu sokungcoliswa kwe-inki esekwe emanzini ephepheni? Xa uqwalasela ingxaki yokungcoliswa kwe-inki esekwe emanzini, yithathele ingqalelo le miba mithathu ilandelayo:

Kukho umahluko omkhulu phakathi kwe-inki yokuqala kunye ne-inki yokubuyisela.

① Ukuba yi-inki yoqobo, qwalasela ukuba iphelelwe lixesha okanye igcinwe ixesha elide. Zombini ezi meko ziyakuchaphazela intlenge ye-inki pigment. Isisombululo kukugubha ikhatriji ye-inki kwiqondo lokushisa elingaphantsi kwe-10 degrees Celsius ukuze i-pigment ixutywe ngokupheleleyo.

② Ukuba kubangelwa kukutshintshwa kwe-inki, kukho izizathu ezininzi. Idla ngokuba yingxaki kumlinganiselo wamanzi okanye idiluent eyongeziweyo ngexesha lenkqubo yokwenziwa. Ngokomntu, akukho sisombululo kulo mba. Zama ukusebenzisa le ndlela ikhankanywe ngasentla kuqala kwaye unethemba lokuba iya kwahlula umbala kuphela.

Iingxaki zephepha zohlulwe ngokubanzi kwiibhokisi zephepha ezigqunyiweyo kunye nephepha elingafakwanga (kufuneka lisebenzise iphepha langaphakathi, iphepha langaphandle i-inki esekwe ngamanzi ayinakulungisa umbala)

① Akukho nto yakuthetha malunga nephepha elingagqunywanga. Nokuba lelona phepha likhulu limhlophe elingathandi i-inki esekwe emanzini, ukuba ayilohlobo olugqunyiweyo, kuya kubakho ukufiphala. Isisombululo kukusebenzisa iphepha eligqunyiweyo.

② Iphepha eligqunyiweyo, eyona nto iphambili kuqwalaselo kukuba ingaba iphepha lifumile na, liphelelwe lixesha, ukusetyenziswa kwengubo kubhityile kakhulu ngezinto ezixubeneyo, kungakhathaliseki ukuba luhlobo luni lwemeko oluya kwenza ukuba umxube wephepha uxutywe awukwazi ukwenza ukhuseleko lomphezulu. umbala oqinileyo, amanzi asezantsi aphuma, kwaye ekugqibeleni abangele ukuqhakaza. Isisombululo kuphela sokugcinwa kwephepha lokuqengqeleka kukutsho ukuba ibhokisi yokupakisha yangaphambili ye-corrugated paper kunye nokupakishwa kweplastiki ngaphakathi akufanele kuvunyelwe, kwaye iphepha elingasetyenziswanga kufuneka libuyiselwe.

Ingxaki yezixhobo ezisetyenziswayo. Intloko yoshicilelo ithatha ixesha elide ukuguga, okukhokelela kunikezelo lwe-inki olungalinganiyo kunye nokuqhakaza. Sebenzisa iibhetshi ezahlukeneyo okanye iibrendi zeinki ukuxuba ii-inki ngeereyishini ezahlukeneyo zeekhemikhali kwintloko yoshicilelo. Isoftware, isebenzisa umqhubi okanye isoftwe ye-RIP ukuprinta, ayizange ikhethe uhlobo lwephepha oluhambelanayo, okukhokelela kwijethi ye-inki eninzi kakhulu engaphaya komda wokuba iphepha likwazi ukufunxa ukufuma, ngaloo ndlela kubangele ukuqhakaza.

Ngaba i-inki esekwe emanzini izinzile? Indlela yokuthintela ubunzulu bombala ongalinganiyo?

Ii-inki ezisekelwe emanzini, ezikwaziwa njenge-inki enyibilikayo okanye enokuchithwa kwamanzi, zifinyezwa ngokuthi "amanzi kunye ne-inki". Iinki ezisekelwe emanzini zenziwe ngokunyibilika okanye ukusasaza i-resin ephezulu yemolekyuli enyibilikayo emanzini, ii-agent zemibala, ii-surfactants kunye nezinye izongezo ezinxulumeneyo ngeenkqubo zemichiza kunye nokulungiswa komzimba.

I-inki esekelwe emanzini iqulethe ixabiso elincinci lamanzi otywala njenge-solvent, inki yokuzinza. Ke ngoko, ilungele kakhulu amashishini okupakisha afana nokutya kunye namayeza. I-inki esekelwe emanzini inokucocwa ngamanzi, ayinakutsha, ingabikho ukuqhuma, akukho miphumo emibi kwimeko ye-atmospheric kunye nempilo yabasebenzi, kwaye akukho bungozi bomlilo obubangelwa umbane we-static kunye ne-solvents ezinokutsha, kunye nokhuseleko lwemveliso.

I-inki esekwe emanzini luhlobo olutsha lwe-inki yokuprinta enombala ophezulu wokugxila, ongasayi kunyibilika, iglosi elungileyo, ukuprintwa okuqinileyo, umgangatho olungileyo kunye nomxholo ophezulu oqinileyo. I-inki esekelwe emanzini kulula ukuyisebenzisa. Xa ushicilelo, kuphela ngokwemfuno kwangaphambili ukongeza abantu impompo yokusasazwa kwamanzi inki elungileyo. Kwinkqubo yokushicilela, ubungakanani obufanelekileyo be-inki entsha yongezwa ngokuthe ngqo, kwaye akukho mfuneko ye-solvent yamanzi eyongezelelweyo, enokuthintela umbala ukuba uhluke. I-inki esekwe emanzini ayisayi kunyibilika emanzini emva kokoma. Xa uqalisa ukushicilela, ipleyiti yokushicilela kufuneka ifakwe kwi-inki esekelwe emanzini ukuze iqhubeke ijikeleza, ngaphandle koko i-inki esekelwe emanzini kwi-plate yokushicilela iya koma ngokukhawuleza, ibangele ukuba i-plate roller ivalwe kwaye ingakwazi ukuprinta. Ngenxa yokunyuka kwexabiso le-solvents yezinto eziphilayo ezibangelwa ukunyuka kokunyuka kwemithombo ye-petroleum, iindleko zokuvelisa kunye neendleko zokusingqongileyo ze-inki ye-solvent ziya kwandiswa imihla ngemihla. I-solvent ye-inki esekelwe emanzini isebenzisa ikakhulu amanzi epompo, kwaye ngenxa yoxinaniso oluphezulu lwe-inki esekwe emanzini, ubunzulu bepleyiti yegravure bunokuba nzulu.

Ngoko ke, ngokwembono yeendleko, nangona ii-inki ezisekelwe emanzini zibiza, iindleko zabo zokusetyenziswa ziqikelelwa malunga ne-30% ephantsi kune-inks ezisekelwe kwi-solvent. Kukwakho inkxalabo encinci malunga neentsalela eziyityhefu zezinyibilikisi kwindawo eprintiweyo. Ukuphononongwa ngempumelelo kwezicelo zee-inki ezisekelwe emanzini kushicilelo lweplastiki yegravure ngokungathandabuzekiyo kwazisa iindaba ezimnandi kwiifektri zokupakisha eziprinta imibala.