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Analiza postopkov hrapavljenja : magistrsko delo magistrskega študijskega programa II. stopnje StrojništvoKrek, Luka, strojnikV magistrskem delu so opisani trije postopki hrapavljenja, ki se v podjetju uporabljajo za doseganje kakovostnejših aluminijastih ulitkov. To so peskanje z zrakom, električna obločna metalizacija z ... žico in potopna elektroerozija. Postopki so primerjani s stroškovno analizo. Rezultati stroškovne analize so pokazali, da je med omenjenimi postopki najugodnejše peskanje z zrakom. Za ta postopek so bili nato z metodo načrtovanja eksperimentov DOE določeni vplivi tlaka, oddaljenosti in časa peskanja. Z metodo DOE je bilo odkrito, da parametra hrapavosti Rz in Ra z višanjem tlaka peskanja naraščata in z večanjem oddaljenosti peskanja padata. Nato je bila opravljena še optimizacija parametrov za maksimalen tlak peskanja na intervalu od 3 bar do 7 bar, fiksno oddaljenost peskanja 10 cm, minimalen čas peskanja in ciljno hrapavost Rz 35 µm. S predlaganimi optimalnimi parametri je bilo opravljenih 10 potrditvenih testov in določena intervala zaupanja za parametra hrapavosti Rz in Ra. Delo je pripomoglo k boljšemu poznavanju procesov hrapavljenja in vplivu vhodnih parametrov peskanja na izhodna parametra Rz in Ra.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [L. Krek], 2024Language - slovenianCOBISS.SI-ID - 221218563
Author
Krek, Luka, strojnik
Other authors
Kramar, Davorin
Topics
magistrske naloge |
hrapavljenje |
gravure |
stroškovna analiza |
metoda načrtovanja eksperimentov |
peskanje |
hrapavost |
master thesis |
roughening |
engraving |
cost analysis |
design of experiments method |
sandblasting |
roughness
| Library/institution |
City | Acronym | For loan | Other holdings |
|---|---|---|---|---|
| Faculty of Mechanical Engineering, Ljubljana | Ljubljana | FSLJ |
reading room 1 cop.
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DRS, in which the journal is indexed
| Database name | Field | Year |
|---|
| Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
|---|---|
| Krek, Luka, strojnik | ![]() |
| Kramar, Davorin | 17076 |
Source: Personal bibliographies
and: SICRIS
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