Enhancement of Lubricant Replenishment Under Limited Lubricant Supply in Rolling Bearings

verfasst von

Chenglong Liu, Feng Guo, Xinming Li, Patrick Wong, Gerhard Poll, Muyuan Liu

Abstract

This paper proposes a stripe-shaped surface pattern, aiming to enhance oil replenishment in rolling bearings that operate in challenging conditions where starved lubrication can result in failure. The pattern can be created through a chemical coating and applied to both sides of the bearing raceway, transforming it into a replenishment-augmented rolling element bearing (RaREB) that exhibits reduced friction. RaREB bearings facilitate better distribution and replenishment of lubricant in the bearing raceway, leading to enhanced anti-friction and extended service life, particularly in situations with limited lubricant supply. Test results confirmed the effectiveness of RaREB bearings in maintaining the desired thickness of the lubricating film and reducing friction torque. Additionally, a droplet transport simulation model was utilized to demonstrate the effect of the stepped wettability on oil replenishment. The proposed design holds practical significance for enhancing bearing performance in extreme operating conditions. Graphical abstract: [Figure not available: see fulltext.]

Organisationseinheit(en)

Institut für Maschinenkonstruktion und Tribologie

Externe Organisation(en)

Qingdao Technological University
City University of Hong Kong

Typ

Artikel

Journal

Tribology letters

Band

72

ISSN

1023-8883

Publikationsdatum

07.12.2023

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Werkstoffmechanik, Maschinenbau, Oberflächen und Grenzflächen, Oberflächen, Beschichtungen und Folien

Elektronische Version(en)

https://doi.org/10.21203/rs.3.rs-3237094/v1 (Zugang: Offen)
https://doi.org/10.1007/s11249-023-01806-4 (Zugang: Geschlossen)