| Title: | Time dependent load capacity of the press fit |
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| Authors: | ID Močilnik, Vinko (Author)
ID Gubeljak, Nenad (Author)
ID Predan, Jožef (Author) |
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| Files: |  tj_19_2025_3_434-441.pdf (2,70 MB)
MD5: 19181F80616A3FA137ECF63F18E913C8
 https://hrcak.srce.hr/332171
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FS - Faculty of Mechanical Engineering
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| Abstract: | This study investigates the loading capacity of a press fit using experimental, numerical and theoretical methods. Tests on specimens with different interferences showed that the loading capacity increases over time as long as the plasticity remains at the micro level. At larger interferences, the plasticity extends to the macro level, which in the long term means a reduction in the loading capacity of the press fit due to creep. Numerical simulations using finite element modelling showed the influence of surface roughness and time-dependent effect on contact pressure and friction. Models in text books do not take in account plasticity and creep of the material in press fit. The phenomenon can lead to a weakening of the press fit over time. The results highlight the importance of optimizing the interference and surface preparation to improve the loading capacity and joint performance. The article presents an approach for calculating the press fit taking in to account the Bowden Tabor friction model and the visco-plasticity of the material used. |
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| Keywords: | FEM analysis, interface oversize, hub, shafts, loading creep, press fit, roughness |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 15.01.2025 |
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| Article acceptance date: | 21.02.2025 |
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| Publication date: | 01.01.2025 |
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| Publisher: | Hrčak |
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| Year of publishing: | 2025 |
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| Number of pages: | str. 434-441 |
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| Numbering: | Vol. 19, no. 3, [article no.] 332171 |
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| PID: | 20.500.12556/DKUM-93626  |
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| UDC: | 539.3:519.6 |
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| ISSN on article: | 1848-5588 |
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| COBISS.SI-ID: | 241330691 |
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| DOI: | 10.31803/tg-20250115224222 |
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| Publication date in DKUM: | 08.07.2025 |
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| Views: | 160 |
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| Downloads: | 24 |
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| Metadata: |    |
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| Categories: | Misc.
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