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Research on the frictional contact behaviors of high-speed motorized spindle bearing with oil-air lubrication [PDF]
Scientific ReportsAs an important supporting element of rotating mechanisms, the frictional wear of rolling bearing causes low motion accuracy. To simulate the service statuses of rolling bearing under different lubrication conditions, the wear and frictional behavior ...
Weitao Jia +3 more
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Study on Traction Characteristics of Point Contact State under Oil–Air Lubrication
LubricantsOil–air lubrication technology is commonly utilized in the lubrication design of traditional components to reduce friction between contact pairs. This study focuses on testing the point-contact friction pairs of two quantitative valves using a self-made ...
Bing Su, Han Li, Jiongli Ren, Zeyu Gong
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Advances in Mechanical Engineering, 2016 If the lubrication system of a helicopter reducer is compromised, its gears and bearings will be in a working state without lubricating oil, which causes the reducer to be damaged in a very short time.
Wen Guan +4 more
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Investigation of the Fluid-Solid Thermal Coupling for Rolling Bearing under Oil-Air Lubrication [PDF]
Advances in Mechanical Engineering, 2015 An excellent oil-air lubrication system helps to improve rolling bearing's working conditions and thus extend its service life span. Flowing and heat dissipating characteristics of oil-air media inside bearing chamber are very complicated due to the ...
Baohong Tong, Guangyu Wang, Xiaoqian Sun
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Optimization Study of Gear Oil-air Lubrication Parameters Based on Orthogonal Test Method
Jixie chuandong, 2022 In order to provide a feasible lubrication means under starved condition， the gear transmission effect and the optimal oil-air parameters using oil-air lubrication are explored.
Chang Lu +3 more
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Jixie chuandong, 2017 In order to study the temperature characteristics of mechanical spindle,a mechanical spindle platform using oil-air lubrication is developed. The evaluation criterion of temperature characteristics is proposed.
Xie Pei +3 more
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Visual Comparative Analysis for the Oil-air Two-Phase Flow of An Oil-Jet Lubricated Roller-Sliding Bearing [PDF]
Journal of Applied Fluid Mechanics, 2022 To discuss the lubrication characteristics of roller-sliding bearing under oil-injected lubrication, the CFD method was introduced into the fluid-structure interaction model to realize the transient simulation of oil-air two-phase flow (OATPF).
J. J. Zhang +4 more
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Aerospace, 2022 Oil mist lubrication can be utilized as an emergency lubrication system in the main reducer of a helicopter. A special-design pneumatic two-fluid nozzle is the crucial system component for atomizing lubricant oil, so exploring the atomization ...
He Liu, Huiyun Cheng, Yu Dai, Xiang Zhu
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Lubricants, 2023 Aiming to solve the problem of oil-air lubrication failure caused by the high working temperature of high-speed rolling bearings, this study proposes a method, based on the theory of gas-solid two-phase flow and bearing tribology, of predicting the ...
Xiqiang Ma +5 more
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Transient formation theory of air-microbubble oil and testing its oil-spraying mechanism
AIP Advances, 2023 In oil–air lubrication systems, large numbers of air microbubbles are often included in the oil phase. However, the principles of microbubble formation in oil–air annular flow and their influencing factors remain uncertain, and previous conclusions ...
Wenliang Zhang +2 more
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