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EnglishThis work deals with an experimental study on the frictional properties of connecting rod high strength screws. Considering that friction has a significant impact on the achievable preload for fixed and controlled tightening torque, the question of friction reduction was tackled by suitable surface treatments. Deep-rolling and shot-peening were involved in the campaign that proved the latter has a highly beneficial effect at reducing friction. Moreover, bearing friction coefficient is made barely steady versus repeated tightening in both lubricated and dry conditions.
| Titolo: | Deep rolling and shot-peening to improve the tribological response of connecting rod screws |
| Autore/i: | Croccolo, Dario; De Agostinis, Massimiliano; Fini, Stefano; Olmi, Giorgio; Paiardini, Luca; Robusto, Francesco |
| Autore/i Unibo: | |
| Anno: | 2019 |
| Titolo del libro: | M2D 2019 – Mechanics and Materials in Design |
| Pagina iniziale: | 335 |
| Pagina finale: | 337 |
| Abstract: | This work deals with an experimental study on the frictional properties of connecting rod high strength screws. Considering that friction has a significant impact on the achievable preload for fixed and controlled tightening torque, the question of friction reduction was tackled by suitable surface treatments. Deep-rolling and shot-peening were involved in the campaign that proved the latter has a highly beneficial effect at reducing friction. Moreover, bearing friction coefficient is made barely steady versus repeated tightening in both lubricated and dry conditions. |
| Data stato definitivo: | 5-lug-2020 |
| Appare nelle tipologie: |
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