Analiza brizganja akrilonitril-butadien-stirena v orodje s polimernim vložkom natisnjenim s stereolitografijo : magistrsko delo magistrskega študijskega programa II. stopnje Strojništvo

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Analiza brizganja akrilonitril-butadien-stirena v orodje s polimernim vložkom natisnjenim s stereolitografijo : magistrsko delo magistrskega študijskega programa II. stopnje Strojništvo

Fink, Domen, strojnik

Postopek injekcijskega brizganja se zaradi visoke cene orodij običajno uporablja za proizvodnjo izdelkov v velikih serijah. Z uporabo alternativnih izdelovalnih tehnologij je mogoče izdelati ... polimerna orodja za brizganje, ki so zaradi nižje cene primerna za izdelavo manjših serij izdelkov. V magistrskem delu je predstavljena analiza uporabe stereolitografije za izdelavo polimernega orodnega vložka za injekcijsko brizganje polipropilena in akrilonitril-butadien-stirena. Iz širokega nabora razpoložljivih materialov smo glede na poznane obremenitvene pogoje določili najprimernejšega. Neznane mehanske lastnosti smo določili s pomočjo tlačnega preizkusa. Pridobljene materialne lastnosti smo uporabili pri trdnostni analizi, kjer smo določili mejne vrednosti procesnih parametrov brizganja. Površinske in geometrijske napake tiskanega orodja smo odpravili s spremembo orientacije tiska in korekcijami CAD modela. Izvedli smo 70 ciklov brizganja preden je prišlo do porušitve polimernega orodja. Po posameznem ciklu smo spremljali temperaturo na površini orodja in zaznali minimalen vpliv hlajenja, kot posledico slabe toplotne prevodnosti materiala orodja. Slaba toplotna prevodnost je povzročila akumulacijo toplote, spremembo mehanskih lastnosti in deformacijo oblike orodja. Posledično so se v orodju tvorile dodatne napetosti in povzročile lom.

Type of material - master's thesis ; adult, serious

Publication and manufacture - Ljubljana : [D. Fink], 2024

Language - slovenian

COBISS.SI-ID - 202833923

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Repository of the University of Ljubljana – RUL

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Other authors
Pepelnjak, Tomaž | Valentinčič, Joško

Availability in libraries

Library/institution	City	Acronym	For loan	Other holdings
Faculty of Mechanical Engineering, Ljubljana	Ljubljana	FSLJ	reading room 1 cop.

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Year	Impact factor		Edition		Category		Classification
Year	JCR	SNIP	JCR	SNIP	JCR	SNIP	JCR	SNIP

Links to authors' personal bibliographies	Links to information on researchers in the SICRIS system
Fink, Domen, strojnik
Pepelnjak, Tomaž	12957
Valentinčič, Joško	18553

Source: Personal bibliographies and: SICRIS

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