| Issue |
E3S Web Conf.
Volume 471, 2024
XIV International Conference on Transport Infrastructure: Territory Development and Sustainability (TITDS-XIV-2023)
|
|
|---|---|---|
| Article Number | 02008 | |
| Number of page(s) | 6 | |
| Section | Engineering, Transport Energy Efficiency and Power Industry | |
| DOI | https://doi.org/10.1051/e3sconf/202447102008 | |
| Published online | 04 January 2024 | |
Study of press joints using strain gauges at low loads
Siberian State Transport University, 191 Dusi Kovalchuk st., Novosibirsk, 630049, Russia
* Corresponding author: zabagy@gmail.com
The destruction of the bearing ring of the axle box unit inevitably leads to the uncoupling of the car, which causes temporary and material losses. The problem of determining the bearing ring tension without removal is relevant; its solution will improve efficiency and reduce the inspection time. Experimental studies were carried out to determine the forces inside the contact pair, as well as their relationship with the amount of interference. It has been established that with small impacts on the ring, surface deformations in the area of impact are uneven and form a gradient in which large deformations are observed at the edge of the ring, smaller ones in the middle. It has been proven that the transition boundary of the magnitude of deformations depends on the magnitude of the interference in the contact pair. A method for determining the tension by strain gauging is proposed.
© The Authors, published by EDP Sciences, 2023
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