This paper presents the research results, showing how the surface roughness of pine (Pinus sylvestris L.) wood is changing with increase of sanding time and abrasive grit size. The samples were sanded in the eccentric sanding stand using abrasive grit of three different sizes (P80, P120 and P180) and two sanding velocities (4000 and 6400 min-1). The parameters of surface roughness of processed samples Ra, Rz and Rmax were measured by contact profilometer in five sectors. The roughness in each sector was measured along, in the 45º angle and perpendicular to the grain. Before statistical processing and modeling the received measurement results were processed by Gaussian digital filter. The results showed that the surface roughness is best explained by the sanding time, size of abrasive grit and sanding speed of the tool.
Keywords: wood surface roughness, wood sanding, pine (Pinus sylvestris L.) wood
Authors
Cikanas K.
Department of Wood Technology, Kaunas University of Technology, Kaunas
Keturakis G.
Department of Wood Technology, Kaunas University of Technology, Kaunas
Baltrušaitis A.
Department of Wood Technology, Kaunas University of Technology, Kaunas
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