Abstract
Antifriction lubrication is an important research hotspot in the manufacturing field. A high-performance lubricating additive is of great significance for condition monitoring in the metal cutting process system. To improve cutting conditions in manufacturing process, we study the dispersion stability and tribological properties of fullerene nanoparticles in HM32 antiwear lubricating fluid. Fullerene nanoparticles are fully integrated into HM32 antiwear lubricating fluid by electromagnetic stirring and ultrasonic oscillation. The dispersion stability of fullerene nanoparticles in HM32 antiwear lubricating fluid was comprehensively studied by microscope scanning experiment, static sedimentation experiment, and absorption experiment. The four-ball friction experiment was operated to investigate the extreme pressure property and tribological property of lubricating fluids with fullerene concentration ranging from 100 ppm to 1000 ppm. The results show that fullerene nanoparticle can significantly improve the extreme pressure property and wear resistance of HM32 basic lubricating fluid. Meanwhile, we found that an excessively high concentration of fullerene nanoparticles will increase the friction and wear of the four-ball friction pair. The best concentration of fullerene nanoparticles is 200 ppm. When the fullerene concentration reaches 200 ppm, the maximum nonsintering load is significantly increased, and the friction coefficient and the steel ball wear scar diameter are significantly reduced.
Highlights
With the development of modern industry, the requirements for precision, efficiency, and reliability of mechanical equipment have become increasingly strict. e lubrication technology is of significant importance in the mechanical equipment field. e energy waste caused by friction and wear has seriously hindered the rapid development of the industry. e economic losses caused by the failure of mechanical parts due to friction and wear account for a large proportion of the GDP [1]
It is of great significance to the condition monitoring in the metal cutting process [2]. erefore, reducing the friction and wear in mechanical equipment is a subject of great social significance
In order to explore the application prospects of fullerene lubricating additives, this paper thoroughly studies the dispersion stability and tribological property of fullerene nanoparticles in lubricating fluids
Summary
With the development of modern industry, the requirements for precision, efficiency, and reliability of mechanical equipment have become increasingly strict. e lubrication technology is of significant importance in the mechanical equipment field. e energy waste caused by friction and wear has seriously hindered the rapid development of the industry. e economic losses caused by the failure of mechanical parts due to friction and wear account for a large proportion of the GDP [1]. E lubrication technology is of significant importance in the mechanical equipment field. E energy waste caused by friction and wear has seriously hindered the rapid development of the industry. High-performance lubricating additives can promote the stable operation of the cutting process system. It is of great significance to the condition monitoring in the metal cutting process [2]. Erefore, reducing the friction and wear in mechanical equipment is a subject of great social significance. Domestic and foreign scholars have conducted extensive researches on the friction reduction and operational stability of the manufacturing process. Improving lubrication technology is the most effective way to reduce the friction and wear in the manufacturing process. Countries all over the world attach great importance to the research of antiwear
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