Abstract
This study was conducted to provide information regarding to noise emission and thesurface quality of silver fir wood (Abies albaMill.) planed at different feed rates after thermal modification. Four groups of sixteen samples were prepared. One group was used as control and the others were heated at 160°C, 190°C and 220°C, at atmospheric pressure for 3 h. After, all samples were processed along the grain by a planer machine, 3 m/min and 10 m/min feed rates were applied. Noise was measured using a sound level meter, while surface roughness measurements were performed by a stylus profilometer. Higher feed rates produced noticeably higher noise emission as for natural wood as for thermally modified one. Thetemperature was found to have a modest positive effect on the noise reduction. Theincrease of temperature and feed rate affected the increase in the surface roughness of thewood. Feed rate resulted as a more significant factor on the noise emission and on thesurface roughness than temperature.
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