magistrsko delo magistrskega študijskega programa II. stopnje Strojništvo
Matej Mozetič (Author), Bojan Starman (Mentor), Nikolaj Mole (Co-mentor)

Abstract

V magistrskem delu smo obravnavali razvoj novega pristopa spajanja rotorja elektromotorja, ki temelji na lokalnem preoblikovanju lamel jedra v območju stika z gredjo. Izpostavili smo pomanjkljivosti obstoječih rešitev, kot so zahtevna mehanska obdelava, višji stroški ter omejena ponovljivost postopkov v serijski proizvodnji. Zasnovali smo koncept, ki omogoča zanesljiv prenos navora in aksialnih sil brez dodatne obdelave gredi. S pomočjo numeričnih simulacij po metodi končnih elementov smo analizirali porazdelitev kontaktnega tlaka in deformacijsko stanje spoja. Na podlagi rezultatov smo izdelali prototipe in jih eksperimentalno preizkusili pod realnimi obremenitvami. Rezultati so potrdili mehansko ustreznost razvitega spoja, dobro ponovljivost procesa ter njegovo primernost za integracijo v industrijsko okolje. Ugotovili smo, da predlagana rešitev predstavlja tehnično in ekonomsko konkurenčno alternativo obstoječim metodam spajanja rotorjev ter odpira možnosti za nadaljnjo optimizacijo zasnove in proizvodnje elektromotorjev.

Keywords

magistrske naloge;elektromotorji;rotorji;lokalna preoblikovanja;lamele;kontaktni tlaki;numerične analize;eksperimentalni preizkusi;

Data

Language: Slovenian
Year of publishing:
Typology: 2.09 - Master's Thesis
Organization: UL FS - Faculty of Mechanical Engineering
Publisher: [M. Mozetič]
UDC: 678.029.5:621.3.043.3:519.6(043.2)
COBISS: 241218051 Link will open in a new window
Views: 256
Downloads: 34
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Other data

Secondary language: English
Secondary title: Development of a rotor core-to-shaft joint using local forming processes
Secondary abstract: This master’s thesis investigates the development of a new approach to joining the rotor of an electric motor, based on local deformation of the core laminations at the interface with the shaft. We addressed the shortcomings of conventional solutions, such as complex machining requirements, higher production costs, and limited repeatability in serial manufacturing. We developed a concept that enables reliable transmission of torque and axial forces without additional shaft processing. Using finite element method simulations, we analysed the distribution of contact pressure and the strain state of the joint. Based on the simulation results, we produced prototypes and tested them experimentally under real operating conditions. The results confirmed the mechanical reliability of the developed joint, consistent process repeatability, and its suitability for integration into industrial environments. We concluded that the proposed solution represents a technically and economically competitive alternative to established rotor joining methods and offers potential for further optimization of electric motor design and manufacturing.
Secondary keywords: master thesis;electric motors;rotors;local deformations;laminations;contact pressures;numerical analyses;experimental tests;
Type (COBISS): Master's thesis/paper
Study programme: 0
Thesis comment: Univ. Ljubljana, Fak. za strojništvo
Pages: XX, 90 str.
ID: 26712186
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