Results 11 to 20 of about 17,786 (260)

Research on Lubrication Characteristics of Cage-Free Ball Bearing with Local Functional Slot

Lubricants, 2023
The factors affecting the lubrication effect of a ball bearing without cage and containing a functional slot are analyzed, including the structural parameters of the functional slot, the speed of the rolling element, and the deformation of the contact ...
Jingwei Zhang, Yuan Zhang, Yanling Zhao, Wenguang Han   +3 more
doaj   +1 more source

Film-Thickness Identification Method and Lubrication Characteristic Experiment of Full-Size Water-Lubricated Stern Bearing under Offset Load

Sensors, 2022
Water-lubricated stern bearing (WSB) is a vital part of the ship propulsion-shaft system, and it is of great significance to monitor and analyze its lubrication status through film thickness data to improve the equipment operational reliability.
Jinjun Li, Wu Ouyang, Qilin Liu, Zhuo Zhang, Yan Zhang   +4 more
doaj   +1 more source

Experimental study on the lubrication characteristics of porous circular journal bearing under shaft unsteady condition (Examination into the whirling behavior of shaft at pivot supported condition by measuring the time history waveform of shaft with parameter of diametral clearance changes)

Nihon Kikai Gakkai ronbunshu, 2015
This report is described the study on the lubrication characteristics of porous circular journal bearing made with oil impregnate sintered materials as a DC spindle motor's bearing system.
Shigeru OHTSUKA, Masaki YAKABE, Takeshi GONDA, Hiroyuki YAMADA   +3 more
doaj   +1 more source

A lubrication model for bubbly oil lubrication with interfacial effect and thermal effect using the theory of multiphase mixtures

Friction, 2023
Bubbly oil lubrication is a type of lubrication method. However, the lubrication model of the bubbly oil has not been thoroughly considered. This paper aims to investigate the modelling for bubbly oil lubrication considering the interfacial effect and ...
Shaohua Li, Xiaohui Lin, Shuyun Jiang
doaj   +1 more source

Performance decay of stern bearing based on lubrication numerical model and state parameters

Zhongguo Jianchuan Yanjiu, 2022
ObjectiveThis paper puts forward a method for monitoring and evaluating the lubrication performance of a marine stern tube bearing which combines a lubrication performance decay model and support vector machine (SVM) algorithm.
Tao ZHANG, Huimin GAO, Fanzhen YU, Kun YANG   +3 more
doaj   +1 more source

Lubrication Analysis of Small-End Bearings of Reciprocating Engines Based on Orthogonal Experiment

Applied Sciences, 2023
Small end bearings are a critical component of reciprocating engines, and the performance of their lubrication performance directly affects engines’ reliability and mechanical efficiency. There are many factors that influence their lubrication.
Sicong Sun, Xin Yang, Jianming Zhou, Jianguo Yang, Yong Cai, Liangtao Xie, Jia Hu   +6 more
doaj   +1 more source

Lubrication and Cooling Characteristics of Warm Forging Lubricants

Transactions of Materials Processing, 2005
Lubrication and cooling characteristics are the most important factors of elevated temperature forging lubricants. Usually adopted lubricants in warm forging processes are graphite, synthetic and emulsion lubricants. Most widely and effectively applied lubricants are graphite lubricants, but these have a lot of problems like tool corrosion and dusty ...
openaire   +2 more sources

Experimental Study on the Effects of Controllable Parameters on the Healthy Operation of SF-2A Material Water-Lubricated Stern Bearing in Multi-Point Ultra-Long Shaft Systems of Ships

Journal of Marine Science and Engineering
Effective control of the health operating condition of multi-support, ultra-long shaft system water-lubricated stern bearings is crucial for supporting the intelligent maintenance and health management of ships.
Xingshan Chang, Jie Liu, Xinping Yan, Feng Sun, Hanhua Zhu, Chengmin Wang   +5 more
doaj   +1 more source

Tribological properties of the QAL9-4 and 17-4PH textured friction pair with water lubrication

AIP Advances, 2021
To study the lubrication and wear reduction characteristics of the QAL9-4 and 17-4pH textured friction pair during water lubrication, the dynamic pressure bearing and cavitation characteristics were analyzed using a computational fluid dynamics method ...
Tao He, Jinmiao Li, Haishun Deng, Chuanli Wang, Rui Shi, Guoyu Chen, Zhipeng Li   +6 more
doaj   +1 more source

Study on the influence of tooth surface wear on the lubrication performance of double involute gear transmission

Scientific Reports
In order to improve the lubrication performance and reduce tooth surface wear (TSW) of double involute gears (DIGs), this study comprehensively considers the mutual influence relationship between tooth surface wear, gear pair meshing characteristics, and
Zhaoming Yin, Hongwei Wang, Xi Fu, Zhimin Fan, Qiuyan Ma   +4 more
doaj   +1 more source