INTEGRATED STUDY OF SURFACE ROUGHNESS PARAMETERS AND DIMENSIONAL ACCURACY IN FDM 3D-PRINTED COMPONENTS

Patricia Gabriela RAKOS, Osman BODUR, Ioana-Maria DAN, Eva Maria WALCHER, Günther POSZVEK

Abstract


This study investigates the influence of FDM printing parameters and PLA filament type on the surface roughness and dimensional accuracy of 3D-printed timing belt pulley samples. Eight samples were produced using different nozzle diameters, layer heights, infill strategies, and PLA materials. Surface roughness was measured using a Jenoptik W912RC profilometer and an Alicona Infinite Focus microscope. The results show that smaller nozzle diameters and lower layer heights improve surface quality, while material selection also affects roughness values. The findings confirm that optimized printing parameters are essential for improving surface finish and dimensional accuracy.


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References


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