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Optimizacija odzračevalnih kanalov oblikovnega dela orodja pri brizganju duroplastičnih izdelkov : diplomsko delo Visokošolskega strokovnega študijskega programa I. stopnje StrojništvoRibič, JakaPri brizganju duroplastičnih izdelkov iz fenol formaldehidnih smol prihaja pri segrevanju orodja do zamreževanja, ki poteče s polikondenzacijo, pri čemer se voda izloči v obliki vodne pare, izločajo ... pa se še nekatere druge spojine v plinastem stanju, med katerimi je tudi amonijak. Poleg odvoda zgoraj omenjene vodne pare in plinov je potrebno med polnjenjem orodne votline poskrbeti še za odvod ujetega zraka v njej. Za odvod vseh zgoraj navedenih spojin uporabljamo odzračevalne kanale. Ti ne smejo biti preveliki, da jih masa pri polnjenju ne prelije, pa tudi ne premajhni, saj bi bilo v tem primeru odzračevanje škodljivih spojin nezadostno. Posledica nezadostnega odzračevanja bi bil nastanek %diesel efekta%, na kosih pa bi bile zaradi slednjega vidne ožganine. V tem diplomskem delu smo najprej opravili pregled literature in teorije za področje injekcijskega brizganja plastike in odzračevanje orodij ter analizirali primer slabega in dobrega orodja v proizvodnji. Na koncu smo primerjali predpisana priporočila za izdelavo kanalov z dimenzijami kanalov, izmerjenih iz primera dobrega in slabega orodja, ter naredili analitični preračun, ki je prikazan v literaturi. Ugotovili smo, da se da s preračunom predvideti dimenzije in zasnovati odzračevanje, ki pa potrebuje optimizacijo s praktičnim pristopom.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Ribič], 2021Language - slovenianCOBISS.SI-ID - 76588803
Author
Ribič, Jaka
Other authors
Pepelnjak, Tomaž
Topics
diplomske naloge |
odzračevanje |
orodja |
duroplasti |
oblikovni del |
optimizacija |
thesis |
venting |
tools |
thermosets |
mould |
optimization
Library/institution |
City | Acronym | For loan | Other holdings |
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Public Library Maksa Samsa, Ilirska Bistrica | Ilirska Bistrica | SIKILB |
outside loan 1 cop.
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|
Faculty of Mechanical Engineering, Ljubljana | Ljubljana | FSLJ |
reading room 1 cop.
|
Shelf entry
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Ribič, Jaka | |
Pepelnjak, Tomaž | 12957 |
Source: Personal bibliographies
and: SICRIS
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