Friction between different papers, inkjet and flexographic prints has been experimentally investigated. Flexographic prints have been made using an anilox roller, and inkjet prints have been produced covering paper with one and four toner layers. Static (SCOF) and kinetic (KCOF) friction coefficients between paper and paper, paper and prints, prints and prints have been determined. Friction properties have been discovered to be different in flexographic and laser prints. The dependence of SCOF and KCOF on pressure (both decrease) together with roughness measurements enables to conclude that the friction of prints is mainly governed by adhesion forces. Eksperimentiškai ištirtos įvairių rūšių popieriaus bei fleksografinių ir rašalinių atspaudų trinties savybės. Fleksografiniai atspaudai gauti dengiant popierių skirtingo plotinio tūrio aniloksiniais voleliais, rašaliniai atspaudai dengiant popierių vienu ir keturiais dažų (angl. toner) sluoksniais. Nustatytos statinio (STK) ir kinetinio (KTK) trinties koeficientų reikšmės tiriant trintį tarp popieriaus ir popieriaus, tarp atspaudo ir popieriaus ir tarp atspaudo ir atspaudo. Nustatyta, kad trinties savybės priklauso nuo pasirinkto spaudos būdo ir yra skirtingos fleksografiniams ir rašaliniams atspaudams. STK ir KTK vertės mažėja didėjant apkrovai, taip pat joms įtaką turi dažų kiekis, paviršiaus šiurkštumas bei paviršiaus deformacinės savybės.
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