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Optimizacija procesnih parametrov za izboljšanje procesa struženja krogel za krogelne ventile
ID Hostnik, Domen (Avtor), ID Kramar, Davorin (Mentor) Več o mentorju... Povezava se odpre v novem oknu

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Izvleček
Magistrski naloga obravnava optimizacijo procesa obdelave površine krogel za krogelne ventile, pri katerih se pojavlja problem neskladnosti kosov zaradi nestabilne obdelave. Ta je posledica premajhne togosti stroja, neustreznih obdelovalnih parametrov, ter vibracij iz okolice. Zaradi ozkih toleranc za premer krogel in hrapavosti površine je v magistrski nalogi, z uporabo statističnega nadzora procesa, določena stabilnost in sposobnost procesa, ter z metodo načrtovanja eksperimentov določeni optimalni procesni parametri. Z metodo načrtovanja eksperimentov je ugotovljeno, da imajo glavni vpliv na Ra vrtljaji, na Rt pa globina reza in podajanje. Z uporabo optimalnih parametrov je na procesu minimizirana hrapavost obdelane površine krogle in dosežen stabilen proces obdelave.

Jezik:Slovenski jezik
Ključne besede:krogelni ventil krogla struženje medenina načrtovanje eksperimentov optimizacija
Vrsta gradiva:Magistrsko delo
Tipologija:2.09 - Magistrsko delo
Organizacija:FS - Fakulteta za strojništvo
Založnik:[D. Hostnik]
Leto izida:2018
PID:20.500.12556/RUL-102962 Povezava se odpre v novem oknu
UDK:621.941:621.6(043.2)
COBISS.SI-ID:16423707 Povezava se odpre v novem oknu
Datum objave v RUL:12.09.2018
Število ogledov:1900
Število prenosov:513
Metapodatki:XML DC-XML DC-RDF
:
HOSTNIK, Domen, 2018, Optimizacija procesnih parametrov za izboljšanje procesa struženja krogel za krogelne ventile [na spletu]. Magistrsko delo. D. Hostnik. [Dostopano 24 marec 2025]. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=102962
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Sekundarni jezik

Jezik:Angleški jezik
Naslov:Optimization of the process parameters for improvement of turning balls for ball valves
Izvleček:
Master’s thesis is focused on optimization of the process of turning balls for ball valves, which has a problem of product inconsistency due to instability of the process. Its cause lies in limited rigidity of the machine, inadequate machining parameters and vibrations transmitted from the surroundings. Due to narrow tolerances for the diameter of the ball and surface roughness it was decided to use Statistical Process Control (SPC) for determining process stability and capability and Design of Experiments method (DOE) to determine optimal process parameters. With the use of DOE it was determined that spindle speed has the biggest effect on Ra and that feed and cutting depth have the biggest effect on Rt. With the use of optimal process parameters surface roughness of the balls was minimized and a stable process was achieved.

Ključne besede:ball valve ball turning brass design of experiments optimization

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