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Razvrščanje lesa smreke v kakovostne razrede in izkoristek žaganja s horizontalnim tračnim žagalnim strojem [Elektronski vir] : diplomsko delo - visokošolski strokovni študij - 1. stopnja = Classification of spruce wood into quality classes and efficiency of sawing with a horizontal band saw : B. Sc. Thesis - Professional Study Programmes
Oražem, Patricija
V diplomski nalogi so predstavljene napake sortimentov smreke, njihova natančna izmera in razvrstitev sortimentov v kakovostne razrede. Izmerili smo 30 sortimentov. Skupni volumen hlodov je znašal ...18,19 m³. Sledilo je razžagovanje debel različnih debelinskih stopenj in prikaz izkoristka žaganja s horizontalnim tračnim žagalnim strojem. Dobili smo 13,24 m³ žaganega lesa brez žamanja ter 2,88 m³ lesa za kemično predelavo. Zanimal nas je predvsem izkoristek mehanske predelave. Ugotovljeno je bilo, da so izkoristki žaganega lesa visoki, tudi do 80 %. Povprečni izkoristek uporabnega žaganega lesa je bil 72,79 %. Na kakovostne razrede najbolj vplivajo premer, številčnost in vrsta grčavosti ter koničnost. Na tako visok izkoristek vplivajo predvsem izkušnje upravljalca stroja ter kakovost sortimentov. Ugotovili smo, da se s povečevanjem srednjega premera sortimenta povečuje količina proizvedenega žaganega lesa.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [P. Oražem], 2023
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