Abstract
Effect of thermomechanical modification of Scots pine (Pinus sylvestris L.) wood on machine sanding efficiency. The aim of this study was to investigate the effect of thermomechanical modification of pine wood (Pinus sylvestris L.) on the efficiency of machine sanding. For this purpose, pine wood samples (undensified and densified) were subjected to mechanical sanding. The effect of the modification on the mass loss in the sanding process was investigated and the quality of the obtained surface was examined. Roughness parameters Ra and Rz were used as criteria for the quality of the sanded surface. The study was carried out for three different grit sizes of sanding paper. It was found that the thermomechanical modification of Scots pine wood had a statistically significant effect on the mass loss during sanding and the roughness of the obtained surface. Wood samples subjected to thermomechanical compaction were characterised by lower susceptibility to sanding measured on the basis of weight loss and lower surface roughness.
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