摘要：The paper presents results of investigations on the effectiveness of the primary and secondary conversion of beech wood into semi-finished products in conditions of the ZPD Kolacz Sawmill which belongs to one of the companies of the KPPD S.A. Holding with the headquarters in Szczecinek. As a result of conducted experiments, quality and dimensional characteristics of lumber converted at the plant were determined. Dimensional groups of representative logs were selected, experimental conversions were performed, suitability of lumber of different quality grades and provenance was evaluated, based on cross stem section, for the production of customized half-finished production. Moreover, efficiency of production was determined for sawn products and customized products.
