Kakovost sušenja lesa in vpliv klimatskih nihanj na pojav napak v proizvodnem procesu : diplomsko delo (visokošolski strokovni študij) = Seasoning quality of wood and the imact of climatic oscillations on appearance of defects in the process of manufacturing : graduation thesis (higher professional studies)
Čuk, Edvard, 1975-
Zaradi nihajočih klimatsih razmer in/ali nekakovostnega sušenja lesa se tudi v proizvodnem procesu pojavljajo napake, ki zmanjšujejo vrednost izdelkov ali povzročajo njihov izmet. Za tipični ...proizvodni proces stolov smo določili kriterije za postavitev kontrolnih točk (KT). Za 8 izbranih smo oblikovali ustrezno metodologijo spremljanja klimatskih razmer in kakovosti lesa. Nihanje zunanje temperature in relativne zračne vlažnosti je vplivalo na klimatske razmere na KT. Konstantni pogoji so obstali le v prostorih s kontrolirano klimo. Vstopna vlažnost elementov je bila v spodnjem delu tolerančnega območja. Elementi so imeli neizrazit vlažnostni gradient (1%/cm) in manjše notranje napetosti. Kot posledica spreminjajoče se ravnovesne vlažnosti v proizvodnem postopku so kritične napake lesa nastale razpoke, neujemanje krivine in dimenzijske spremembe. Najpogosteje so se pojavile v prostorih z nekontrolirano klimo (v oddelkih Mizarski stoli in Groba strojna) in ob hitrih spremembah klimatskih pogojev. Izrazitejše napake so nastale na širših, tangencialno orientiranih ali zahtevnejših krivljenih elementih. Za zmanjšanje števila napak na lesenih elementih predlagamo namestitev sistemov zazagotavljanje konstantnih klimatskih pogojev.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [E. Čuk], 2005
Knjižnica BF za lesarstvo vsn 0000000090 IN: 020050015
Knjižnica BF za lesarstvo vsn 90 IN: 020050015
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