20.500.12556/RUL-15933 Predelava in izkoristek lesa smreke pri delu s horizontalnnim tračnim žagalnim strojem diplomsko delo - visokošolski strokovni študij V diplomski nalogi so predstavljeni izkoristki lesa pri razžagovanju debel smreke različnih debelinskih stopenj. Pri tem so pomembne tudi vrste in količine različnih končnih izdelkov, ki jih dobimo pri takšni mehanski predelavi. Ugotovljeno je bilo, da so izkoristki lesa sortimentov pri žaganju v določenih primerih zelo visoki, tudi nad 80 %, izkoristki celotnih debel pa do skoraj 80 %. Stopnja koničnosti, kot napaka hlodovine, ne vpliva vedno na izkoristek negativno in je lahko v določenih primerih ta celo višji kot pri nizki stopnji koničnosti. Na izkoristek v veliki meri vplivajo predvsem izkušenost upravljavca stroja, vrste žagarskih produktov ter dimenzije sortimentov. Pri žaganem lesu prevladujejo grede, deske, trami, medtem ko so letve, morali in plohi zastopani v manjših deležih. Količinsko je žagovina zastopana v deblih z okrog 10 % deležem.V večini primerov povprečna debelina skorje z višanjem debelinske stopnje narašča. Tudi delež skorje debel po debelinskih stopnjah se spreminja in v našem primeru znaša 6-8 %. This thesis presents the yields from timber when sawing spruce logs of different diameters. The types and quantities of the various finished products obtained from such mechanical processing are also important. It was found that, in certain cases, the yields from timber assortments when sawing were very high, even over 80%, and the yields from the total trunks were up to nearly 80%. The degree of taper, as an error of the logs, does not always have a negative effect on the yield, and, in some cases, may even be higher than the low level of taper. The yield is largely and mostly influenced by the machine operator`s experience, the types of sawmill products, and the dimensions of the assortments. With sawn wood, the posts, planks and beams predominate, while the laths, strips, and boards are presented in smaller proportions. In terms of quantity, the amount of sawdust left over from cutting logs is presented to be approximately 10%. In most cases, when the diameter increases, the average thickness of the bark increases. The amount of bark on a log varies according to the diameter and, in our case, amounts to 6-8%. žagarski obrati smrekovina gozdni proizvodi žage žagalni stroji predelava lesa izkoristki true false false [H. Smrečnik] Slovenski jezik Neznan jezik Diplomsko delo 2014-07-11 13:43:42 2014-07-11 13:43:42 2022-07-11 16:56:24 0000-00-00 00:00:00 2010 0 Ljubljana 0 VII, 58 f. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 630*82(043.2)=163.6 3081894 VS_Smrecnik_Herman_2010.pdf VS_Smrecnik_Herman_2010.pdf 1 5BB4D6B41B12F3A6577C9DD83AA169E3 0fdf17c01f5b9621bf2464cbc0f3d381abc737e371fcd37378652f79a006d2e0 5124b282-a1b8-11eb-a523-00155dcfd717 20.500.12556/rul/3662a9ed-138f-4e14-8654-0ee68c552cb6 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=127376 Biotehniška fakulteta 0 0 0