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Title:Določevanje dobe trajanja sintranih zobnikov z napetostno metodo
Authors:ID Dervarič, Sašo (Author)
ID Glodež, Srečko (Mentor) More about this mentor... New window
Files:.pdf UNI_Dervaric_Saso_2013.pdf (3,17 MB)
MD5: 00AD82C1713191FBD90DB9A83E840770
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Nosilnost valjastih zobniških dvojic z zunanjim in notranjim evolventnim ozobjem se računa po standardu SIST ISO 6336. Ta standard ne zajema smernic in materialnih parametrov za izračun nosilnosti valjastih zobniških dvojic z zunanjim in notranjim evolventnim ozobjem iz sintranega materiala. V pričujočem diplomskem delu sem predstavil model za določitev upogibne trdnosti sintranih zobnikov, ki temelji na napetostni metodi. Za izračun dobe trajanja sintranih zobnikov po napetostni metodi je bilo potrebno s preizkusi določiti utrujenostne parametre sintranega materiala in po metodi končnih elementov izračunati primerjalne napetosti v zobniku. Rezultat izračuna dobe trajanja sem prikazal v grafu, ki prikazuje odvisnost momenta in dobe trajanja.
Keywords:sintrani zobniki, napetostna metoda, upogibna trdnost v korenu zoba, numerična analiza
Place of publishing:Maribor
Publisher:[S. Dervarič]
Year of publishing:2013
PID:20.500.12556/DKUM-41744 New window
UDC:621.83(043.2)
COBISS.SI-ID:17462550 New window
NUK URN:URN:SI:UM:DK:XJMPY04D
Publication date in DKUM:25.10.2013
Views:2434
Downloads:194
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Determination of service life of sintered gears using stress life approach
Abstract:Load capacity of cylindrical gear pairs with internal and external involute teeth is calculated according to the standard ISO 6336. This standard does not cover the guidelines and material parameters for calculating load capacity of cylindrical gear pairs with internal and external involute teeth of sintered material. In this thesis I presented a model for determining the bending strenght of sintered gears, based on the stress life approach. For the calculation of the service life of the sintered gears according to the stress life approach, it was necessary to experimentally determine the fatigue parameters of the sintered material, and calculate the equivalent stress in a gear tooth root using the finite element method. The computational results are presented in a graph which shows the relationship between the torque and the service life of gear.
Keywords:sintered gears, stress life approach, bending strength of gear teeth, numerical analysis


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