saxan PS

Macnaha saxanka PS waa saxan hore loo dareemay oo loo isticmaalo daabacaadda offset. Daabacaadda offset-ka, sawirka la daabacayaa wuxuu ka yimid xaashi aluminium dahaarka leh, oo la dhigay hareeraha dhululubada daabacaadda. Aluminiumka waxaa lagu daaweeyaa si ay dusha sare u noqoto hydrophilic (soo jiidata biyaha), halka daahanka PS ee la sameeyay uu yahay hydrophobic.
Saxanka PS wuxuu leeyahay laba nooc: saxan PS oo togan iyo saxanka PS taban. Iyaga ka mid ah, saxanka PS-ta ee togan ayaa xisaabiya saamiga weyn, kaas oo loo isticmaalo inta badan hawlaha daabacaadda dhexdhexaadka ah iyo kuwa ballaaran ee maanta. Tignoolajiyada samaynteeda ayaa waliba qaan gaadhay.
Saxanka PS wuxuu ka samaysan yahay substrate iyo dahaarka taarikada PS, taas oo ah, lakabka sawir-qaadista. Substrate-ku wuxuu u badan yahay saxan aluminium ah. Lakabka sawir-qaadista waa lakab la sameeyay iyadoo lagu dahaadhay dareeraha sawir-qaadista ee saxanka salka.
Qaybaheeda ugu muhiimsan waa sawir-qaade, wakiilka filim-samaynta iyo wakiilka kaaliyaha. Sawir-qaadayaasha sida caadiga ah loo isticmaalo taarikada PS-ta ee togan waa diazonaphthoquinone nooca sawir-qaadista ah oo milma halka saxanka PS-ta taban uu yahay resins sawir-qaade ku-saleysan oo aan milmi karin.
Saxanka saxda ah ee PS wuxuu leeyahay faa'iidooyinka miisaanka fudud, waxqabadka xasilloon, sawirro cad, lakabyo qani ah, iyo tayada daabacaadda sare. Hal-abuurkeeda iyo adeegsigeeda ayaa ah isbeddel weyn oo ku yimid warshadaha daabacaadda. Waqtigan xaadirka ah, saxanka PS wuxuu la mid yahay nooca elektarooniga ah, kala soocida midabka elegtarooniga ah, iyo daabacaadda midabada kala duwan, kaas oo noqday habka caadiga ah ee saxanka maanta.