20.500.12556/RUL-108547
Izdelava železniških pragov na žagi Poganci pri Novem mestu
Production of crossties on sawmill Poganci in Novo mesto
Diplomska naloga je bila opravljena na Žagi Poganci pri Novem mestu, kjer iz bukovih pragovcev izdelujejo železniške pragove. Izbranih je bilo 50 pragovcev, ki so se med seboj razlikovali glede na njihov srednji premer. Izbranim pragovcem smo izračunali prostornino in določili napake. Iz pragovcev smo s tračnim žagalnim strojem izdelali žagan les v obliki pragov, desk različnih dimenzij in moralov. Z označevanjem žaganega lesa je bila zagotovljena sledljivost izdelkov od pragovca do končnega proizvoda. S primerjavo prostornine pragovcev in žaganega lesa smo izračunali velikost količinskega izkoristka žaganja. Povprečna velikost količinskega izkoristka žaganja je znašala od 58 % do 59 %. Na kakovost žaganega lesa so najbolj vplivale neprava črnjava, grče in razpoke.
The information for the diploma paper was obtained on a sawmill Poganci near Novo mesto, where railway sleepers are made from beech sleeper wood. We have chosen 50 pieces of sleeper wood with different middle diameter. We have calculated the volume of the chosen sleeper wood and determined the mistakes in timber. Using the band was machine we cut the sleeper wood into cut wood shaped as sleepers, boards of different dimensions, and cut beams. Marking the cut wood has enabled the following of the products from sleeper wood to final product. By comparing the volume of the sleeper wood and the cut wood we were able to calculate the total quantitative efficiency. The average quantitative efficiency of cutting timber was from 58 % to 59 %. Irregular heartwood influenced the quality of cut wood most, followed by knots and cracks.
bukev
hlodovina
železniški prag
žagan les
količinski izkoristek
beech tree
timber
railway sleeper
sawn wood
quantitative yield
true
false
false
[F. J. Malus]
Slovenski jezik
Angleški jezik
Diplomsko delo/naloga
2019-07-06 07:45:16
2019-07-06 07:45:18
2022-08-20 03:47:05
0000-00-00 00:00:00
2019
0
0
0000-00-00
NiDoloceno
NiDoloceno
NiDoloceno
0000-00-00
0000-00-00
0000-00-00
630*83(043.2)=163.6
163990
5424038
6808.pdf
6808.pdf
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https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=119511
6809.docx
6809.docx
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https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=119512
6810.docx
6810.docx
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https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=119513
Biotehniška fakulteta
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0