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DKUM
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Title:
Trdnostni preračun gredi elektromotorja : diplomsko delo
Authors:
ID
Šobak, Luka
(Author)
ID
Borovinšek, Matej
(Mentor)
More about this mentor...
ID
Skuhala, Damir
(Comentor)
Files:
UN_Sobak_Luka_2024.pdf (2,64 MB,
This file will be accessible after 01.08.2027
)
MD5: F773C57BF5AD87F0FA87BBE65B333DDD
Language:
Slovenian
Work type:
Bachelor thesis/paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Razvoj sodobnih elektromotorjev s poudarkom na učinkovitosti in ekonomičnosti privede do novih tehničnih rešitev, ki jih je potrebno podrobno analizirati. Gred elektromotorja je ena izmed ključnih komponent rotorskega sestava, katere osnovna naloga je prenos vrtilnega momenta iz motorja na menjalnik. Glavni cilj diplomskega dela je bil preveriti deformacijsko in napetostno stanje gredi ter določiti, ali je obravnavana gred ustrezno dimenzionirana. Izvedena je bila nelinearna statična simulacija, katere rezultati kažejo, da so največje napetosti pod mejo tečenja gradiva. Zaradi dinamične narave obremenitev je pomembno upoštevati utrujanje materiala in zagotoviti, da so napetosti pod trajno dinamično trdnostjo gradiva. Izbrane točke v najbolj obremenjenih delih gredi so bile vrednotene po napetostni metodi s pomočjo Haighovega diagrama. Izračunani varnostni faktorji izbranih točk so večji od dopustnega varnostnega faktorja. Iz tega sklepamo, da je obravnavana gred ustrezno dimenzionirana in bo v svoji življenjski dobi zdržala neomejeno število ciklov.
Keywords:
gred elektromotorja
,
metoda končnih elementov
,
numerična analiza
,
napetostna metoda
,
Haighov diagram
Place of publishing:
Maribor
Place of performance:
Maribor
Publisher:
[L. Šobak]
Year of publishing:
2024
Number of pages:
1 spletni vir (1 datoteka PDF (XV, 51 f.))
PID:
20.500.12556/DKUM-89823
UDC:
539.4:621.824(043.2)
COBISS.SI-ID:
212071683
Publication date in DKUM:
07.10.2024
Views:
0
Downloads:
0
Metadata:
Categories:
KTFMB - FS
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ŠOBAK, Luka, 2024,
Trdnostni preračun gredi elektromotorja : diplomsko delo
[online]. Bachelor’s thesis. Maribor : L. Šobak. [Accessed 7 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=89823
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Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:
13.08.2024
Secondary language
Language:
English
Title:
Strength assessment of electric motor´s shaft
Abstract:
The development of modern electric motors with an emphasis on efficiency and cost, leads to new technical solutions that need to be thoroughly analyzed. The shaft is one of the key components of the rotor assembly, and its main task is to transfer torque from the electric motor to the gearbox. The main goal of this thesis was to check the shaft’s deformation and stress state and to determine whether the shaft is properly dimensioned. A nonlinear static simulation was performed, the results of which show that the maximum von Mises stresses are below the material's yield point. Due to the dynamic nature of the loads, it is important to consider material fatigue and ensure that the stresses are below the material’s endurance fatigue limit. Points selected in the most stressed parts of the shaft were evaluated according to the stress-life method using the Haigh diagram. The calculated safety factors of the selected points are greater than the permissible safety factor. From this, we conclude that the shaft is properly dimensioned and will withstand an unlimited number of cycles during its lifetime.
Keywords:
electric motor's shaft
,
finite element method
,
numerical analysis
,
stress-life method
,
Haigh diagram
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