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Razvoj in umerjanje preizkuševališča za določanje vzmetne konstante tlačnih vijačnih vzmeti : zaključna naloga univerzitetnega študijskega programa I. stopnje StrojništvoNemanič, AljažV nalogi obravnavamo zasnovo, izdelavo, umerjanje in test preizkuševališča za določanje vzmetne konstante tlačnih vijačnih vzmeti specifične geometrije. Na podlagi pregleda literature smo ... skonstruirali horizontalno preizkuševališče s pnevmatskim valjem kot aktuatorjem za obremenjevanje vzmeti. V preizkuševališče smo vgradili merilno celico z uporovnimi lističi za merjenje sile in potenciometrično zaznavalo pomika za merjenje skrčka vzmeti. Merilna zaznavala smo pred vgradnjo umerili in določili merilno negotovost merjenja pomika ter sile; preko slednjih parametrov smo na podlagi izmerkov računali vzmetno konstanto različnih (ne)linearnih tlačnih vijačnih vzmeti. Ugotovili smo, da preizkuševališče omogoča dobro ponovljivost meritev, katerih merilna negotovost je primerljiva z meritvami na industrijskih preizkuševališčih. Preko meritev na šesti vzmeteh smo potrdili obstoj histereze pri obremenjevanju oz. razbremenjevanju in ugotovili, da za popis karakteristike vzmeti zadostuje polinom tretje stopnje, katerega prvi odvod predstavlja koeficient vzmeti kot funkcijo.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Nemanič], 2017Language - slovenianCOBISS.SI-ID - 15823899
Author
Nemanič, Aljaž
Other authors
Kutin, Jože
Topics
diplomske naloge |
koeficient vzmeti |
vijačna vzmet |
umerjanje |
merjenje sile |
merjenje pomika |
Hookov zakon |
spring constant |
helical spring |
calibration |
force measurement |
linear displacement measurement |
Hooke's law
Library/institution |
City | Acronym | For loan | Other holdings |
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Faculty of Mechanical Engineering, Ljubljana | Ljubljana | FSLJ |
reading room 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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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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Nemanič, Aljaž | |
Kutin, Jože | 20047 |
Source: Personal bibliographies
and: SICRIS
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