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Vpliv temperature na mehanske lastnosti 3D tiskanih izdelkov
ID Janežič, Jan (Avtor), ID Slemenik Perše, Lidija (Mentor) Več o mentorju... Povezava se odpre v novem oknu

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Izvleček
Namen zaključne naloge je raziskava in določitev vpliva temperature tiskanja na mehanske in geometrijske lastnosti 3D tiskanih izdelkov. V okviru naloge smo s pomočjo namiznega 3D tiskalnika Sharebot natisnili vzorce za natezni preizkus standardnih dimenzij po ISO 527. Vzorce smo natisnili s pomočjo filamentov polilaktične kisline (PLA) pri različnih temperaturah šobe na tiskalni glavi, vsi ostali parametri tiskanja so bili ves čas enaki. Temperaturo šobe smo spreminjali v inkrementih po 10°C v območju od 170°C do 230°C. Vpliv temperature na geometrijske lastnosti smo določili z merjenjem geometrije na izbranih mestih, mehanske lastnosti preizkušancev pa smo določili s pomočjo nateznega preizkusa in nanoindentacije. Na podlagi meritev smo želeli določiti optimalno temperaturno območje tiskanja, pri katerem bi 3D tiskani izdelki imeli najboljše mehanske in geometrijske lastnosti. Rezultati meritev so pokazali, da so bili vzorci geometrijsko najbolj stabilni in so imeli najboljše mehanske lastnosti pri tiskanju s temperaturo 200 °C.

Jezik:Slovenski jezik
Ključne besede:3D tiskanje, temperatura, dimenzijska stabilnost, mehanske lastnosti, natezni preizkusi, nanoindentacija
Vrsta gradiva:Zaključna naloga
Tipologija:2.11 - Diplomsko delo
Organizacija:FS - Fakulteta za strojništvo
Kraj izida:Ljubljana
Založnik:[J. Janežič]
Leto izida:2020
Št. strani:XV, 42 f., [7] f. pril.
PID:20.500.12556/RUL-114821 Povezava se odpre v novem oknu
UDK:621.9.04:536.5:620.17(043.2)
COBISS.SI-ID:17092123 Povezava se odpre v novem oknu
Datum objave v RUL:14.03.2020
Število ogledov:3920
Število prenosov:290
Metapodatki:XML DC-XML DC-RDF
:
JANEŽIČ, Jan, 2020, Vpliv temperature na mehanske lastnosti 3D tiskanih izdelkov [na spletu]. Diplomsko delo. Ljubljana : J. Janežič. [Dostopano 5 april 2025]. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=114821
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Sekundarni jezik

Jezik:Angleški jezik
Naslov:The influence of temperature on mechanical properties of 3D printed products
Izvleček:
The purpose of the presented thesis is to investigate the effect of printing temperature on the mechanical and geometric properties of 3D printed polymer products. As part of the study, samples for tensile testing of standard dimensions according to ISO 527 were printed using the Sharebot desktop 3D printer. Samples were printed with polylactid filaments (PLA) at different temperatures of the nozzle on the printhead, while all other printing parameters were kept constant. The nozzle temperature was changed in increments of 10 °C in the range from 170 °C to 230 °C. The influence of printing temperature on the geometric properties was determined by measuring the geometry at selected points, while the mechanical properties of the tested products were determined by tensile test and nanoindentation. On the basis of measurements, we tried to determine the optimal printing temperature range in which 3D printed products would have the best mechanical and geometric properties. The results showed that the samples were geometrically the most stable and had the best mechanical properties at printing temperature of 200 °C.

Ključne besede:3D printing, temperature, dimensional stability, mechanical properties, tensile tests, nanoindentation

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