A quantitative method to measure the surface roughness of sanded wood products (original) (raw)

Abstract

No agreed guidelines exist in wood surface metrology on how to objectively measure and evaluate the surface quality of a sanded surface. As a consequence, evaluation most commonly relies on subjective human perception rather than on quantitative measurements. This chapter presents a review of a method developed for sanded wood surfaces, which covers the choice of instrument type, the measuring resolution, the minimum evaluation length, aspects of filtering and the separation of processing roughness from anatomical irregularities. Compared with previous studies in the literature, processing roughness parameters calculated in this study are not influenced by wood anatomy and therefore provide objective, quantitative references for the quality of sanding. The method was tested in this chapter to evaluate the influence of various species on roughness parameters when sanding with P120 grit size paper. Further, the method can be used to evaluate roughness parameters for different combinat...

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