Results 51 to 60 of about 887 (177)

Study on the Lubrication of the Precision Ball Screw Mechanism

open access: yesJixie chuandong, 2015
The lubrication effects of two types of universal lubrication methods for ball screw mechanism are firstly discussed.For lubrication in oil,the variation situation of the thinnest lubricating oil film thickness vary with the ball screw rotation is ...
Zhang Zuoying, Zhang Lei, Jiang Hongkui
doaj  

Evaluation of Flange Grease on Revenue Service Tracks Using Laser-Based Systems and Machine Learning

open access: yesInfrastructures
This study presents a machine learning approach for estimating the presence and extent of flange-face lubrication on a rail. It offers an alternative to the current empirical and subjective methods for lubrication assessment, in which track engineers ...
Aditya Rahalkar   +4 more
doaj   +1 more source

Analysis of Tribological Performance of 8Cr4Mo4V under Different Contact Stress and Lubrication Conditions [PDF]

open access: yesCailiao Baohu
To investigate the friction and wear properties of 8Cr4Mo4V bearing steel paired with homogeneous and heterogeneous materials,tribological tests were conducted under two contact stresses (1 800 MPa and 2 400 MPa) and two lubrication conditions (oil ...
SHI Heyang, WANG Xinying, LI Yizhen, LI Hengheng, KANG Yanhui, MA Fei, CHEN Xingming, YANG Chenxing, LIU Huihe
doaj   +1 more source

The hidden science of haptics: A pedagogical review of tactile evaluation in cosmetics

open access: yesInternational Journal of Cosmetic Science, Volume 48, Issue 3, Page 600-634, June 2026.
This review explores the physiological basis of tactile perception and critically examines classical and emerging sensory methods used in cosmetics, advocating for broader methodological integration and recognition of sensory analysis in the field. Abstract Sensory analysis is a cornerstone of cosmetic development, yet remains underrepresented in peer ...
Morgane Postec   +2 more
wiley   +1 more source

On the electric behaviour of conductive grease inside the contact zone

open access: yesFriction
Conductive grease has been considered as a potential solution in addressing electric erosion issue inside motor bearings. Understanding the conductive grease performance, especially the electric and tribological behaviour is crucial for its application ...
Yuxin Zhou   +5 more
doaj   +1 more source

Effects of Soap Fiber Structure on Boundary Lubrication of Lithium Soap Greases

open access: yesTribology Online, 2011
This paper describes the influence of fiber length of lithium-soap thickener of greases on friction under boundary lubrication conditions. Ball-on-disk sliding tests were conducted with lithium soap greases with polyol ester as the base oil.
Atsushi Yokouchi   +2 more
doaj   +1 more source

Research on Mechanical Aging Behavior of Grease in Rolling Bearing

open access: yesChinese Journal of Mechanical Engineering
Grease is extensively used in rolling bearings due to its inherent sealing properties. However, mechanical degradation typically occurs, resulting in a significantly shorter lifespan for the grease compared to the bearing.
Jialong Yang   +3 more
doaj   +1 more source

Tribological behavior of ZnO-Si3N4 nanoparticles-based lubricating grease

open access: yesJournal of Experimental Nanoscience, 2018
Currently, nanoparticles have been widely used as lubricant additives, few researches have investigated their applications as additives for lubricating grease.
Qiang He   +5 more
doaj   +1 more source

Study on the sliding tribological behavior of ZIF-8 under lubricating grease conditions

open access: yesNanotechnology and Precision Engineering
ZIF-8 is widely applied in lubrication, adsorption, and catalysis owing to its unique physicochemical properties. Previous experimental studies have demonstrated its feasibility as a lubricant additive. In the present work, the lubricating performance of
Ling Pan   +4 more
doaj   +1 more source

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