Ingxoxo ngeempawu zobuchwephesha ezibalulekileyo ze PCB inki

Nokuba umgangatho we-inki ye-PCB ubalasele okanye akunjalo, ngokomgaqo, awunakwahlulwa kwindibaniselwano yezi zinto zingasentla. Umgangatho ogqwesileyo we-inki luphawu olugqibeleleyo lwenzululwazi, oluphambili kunye nokhuselo lokusingqongileyo kwifomula. Kubonakalisiwe ku:

viscosity

Mfutshane kwi-viscosity eguqukayo. Iboniswa ngokubanzi yi-viscosity, okt uxinzelelo lwe-shear lokuhamba kolwelo olwahlulwe nge-velocity gradient kwicala lokuhamba, kwaye iyunithi yamanye amazwe yi-PA / S (Pa. S) okanye millipa / S (MPa. S). Kwimveliso ye-PCB, ibhekisa kubumanzi beinki obuqhutywa ngamandla angaphandle.

Ubudlelwane bokuguqulwa kweeyunithi ze-viscosity:

1Pa。 S=10P=1000mPa。 S=1000CP=10dpa.s

Iplastiki

Ithetha ukuba emva kokuba i-inki ikhubazeke ngamandla angaphandle, isagcina iipropathi zayo ngaphambi kokumiswa. Ubuninzi beinki bulungele ukuphucula ukuchaneka kokuprinta;

Thixotropic

I-ink i-colloidal xa imile, kwaye i-viscosity iyatshintsha xa ichukumisiwe, ekwabizwa ngokuba kukungcangcazela nokuxhathisa;

ukuhamba

(ukulinganisa) ubungakanani apho i-inki isasazeka khona phantsi kwesenzo samandla angaphandle. Ubumanzi kukuphindaphinda kwe-viscosity. Ubumanzi buhambelana neplastiki kunye ne-thixotropy ye-inki. Ubuninzi beplastikhi kunye ne-thixotropy, kokukhona ubumanzi; Ukuba ukuhamba kukhulu, uphawu kulula ukulwandisa. Abo banamanzi amancinanana bathambekele ekutsaleni nasekunkinkeni, okwaziwa ngokuba yi-anilox;

Viscoelasticity

Ibhekisa kwisakhono se-inki sokuphinda ubuye ngokukhawuleza emva kokuba usikiwe kwaye wophulwe sisikhuhli. Kuyadingeka ukuba isantya sokumka kwe-inki sikhawuleze kwaye i-inki ibuye ikhawuleze ukuze ikulungele ukuprinta;

Ukoma

Kuyafuneka ukuba ukucothisa i-inki kwiscreen, ngcono. Emva kokuba i-inki idluliselwe kwi-substrate, ngokukhawuleza kungcono;

intle

Ubungakanani sombala kunye amasuntswana eqinileyo, i-inki PCB ngokubanzi ngaphantsi kwe-10 μ m. Ubunyani buya kuba ngaphantsi kwesinye kwisithathu sokuvula umnatha;

Ukujikeleza

Xa uchola i-inki ngomhlakulo we-inki, ubungakanani benkinki engaphuliyo ibizwa ngokuba ngumzobo wocingo. I-inki inde, kwaye kukho imicu emininzi kumphandle we-inki kunye noshicilelo lomphezulu, olwenza ukuba i-substrate kunye noshicilelo lweplate lube mdaka kwaye lungabinakho nokuprinta;

Ukungafihli kunye nokufihla amandla kweinki

I-inki ye-PCB, ngokweendlela ezahlukeneyo zokusebenzisa kunye neemfuno, iimfuno ezahlukeneyo zibekwa phambili elubala kunye namandla okufihla i-inki. Ukuthetha ngokubanzi, i-inki yesekethe, i-inki eqhuba kunye ne-inki yomlinganiswa ifuna amandla aphezulu okufihla. Ukuxhathisa i-solder kubhetyebhetye ngakumbi.

Ukumelana nemichiza nge-inki

Inki ye-PCB inemigangatho engqongqo yeasidi, ialkali, ityuwa kunye nesinyibilikisi ngokweenjongo ezahlukeneyo;

Ukuxhathisa komzimba nge-inki

I-PCB ye-inki kufuneka ihlangabezane neemfuno zokumelana nokunyanzelwa kwamandla kwangaphandle, ukumelana nobushushu, ukumelana nokuchaneka koomatshini kunye neemfuno ezahlukeneyo zombane zokusebenza.

Ukhuseleko kunye nokukhuselwa kwendalo kwe-inki

I-inki ye-PCB iya kuba yityhefu esezantsi, ingenasongo, ikhuselekile kwaye inobuhlobo kwindalo.

Ngasentla, sishwankathele iipropathi ezisisiseko zeeinki ze-PCB ezilishumi elinambini, kwaye ingxaki ye-viscosity inxulumene ngokusondeleyo nomsebenzisi ekusebenzeni kwangempela koshicilelo lwesikrini. Inqanaba le-viscosity linobudlelwane obukhulu kunye nokuthamba kokuprintwa kwesilika. Ke ngoko, kumaxwebhu obuchwephesha beinki ze-PCB kunye neengxelo ze-QC, i-viscosity iphawulwe ngokucacileyo, ibonisa ukuba phantsi kwaziphi iimeko kwaye loluphi uhlobo lwesixhobo sovavanyo lwe-viscosity ekufuneka usisebenzisile. Kwinkqubo yokuprinta eyiyo, ukuba i-viscosity ye-ink iphezulu, iya kubangela ukuvuza kokuprinta kunye ne-sawtooth enzulu emaphethelweni omzobo. Ukuze kuphuculwe umphumo wokuprinta, kuya kongezwa i-diluent ukwenza i-viscosity ihlangabezane neemfuno. Kodwa akukho nzima ukufumanisa ukuba kwiimeko ezininzi, ukufumana isisombululo esifanelekileyo (isisombululo), nokuba usebenzisa yiphi i-viscosity, ayinakufezekiswa. Ngoba? Emva kwesifundo esinzulu, kwafumaniseka ukuba i-viscosity ye-ink yinto ebalulekileyo, kodwa ayisiyiyo kuphela. Enye into ebalulekileyo thixotropy. Ikwachaphazela ukuchaneka kokuprinta.