EVALUATING THE SURFACE ROUGHNESS OF HEAT-TREATED WOOD CUT WITH DIFFERENT CIRCULAR SAWS

Mehmet Budakçı, Abdullah Cemil Ilçe, Derya Sevim Korkut, Tubga Gurleyen

Abstract


The effects of different circular saws on surface roughness were determined for heat-treated wood, including Scots pine (Pinus sylvestris L.), eastern beech (Fagus orientalis L.), Uludağ fir (Abies bornmülleriana Mattf.), and sessile oak (Quercus petraea L.), which are used commonly in Turkey. Samples were heat-treated for 3, 5, or 7 hours at 140 or 160ºC, and cut with circular saws with 28, 48, 60, 72, or 96 teeth. Then, the surface roughness of the samples was determined using a scanning device (TIME TR200) with respect to the ISO 4287 standard. Heat treatment increased the surface roughness of the wood used, and changed the colour of the wood. To obtain smooth surfaces with or without heat treatment, a circular saw with 28 teeth and a double chamfered (WZ) mouth profile is recommended.

Keywords


Wood; heat treatment; Criteria of cutting theory; Surface roughness; Circular saws

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