Tribological Properties of Rod End Spherical Plain Bearings with Modified Injection Molding Nylon

doi:10.3969/j.issn.1000-1093.2017.10.026

Abstract

Abstract: Two kinds of rod end spherical plain bearings are tested on a tribo-tester, of which the nylon liners are reinforced by carbon fibers as well as by carbon fibers and PTFE, respectively, and their friction coefficients and wear depths at different contact pressures are investigated. With the help of a scanning electron microscope (SEM), an energy dispersive spectrometer (EDS) and a Fourier transform infrared spectrometer, the microstructures and wear mechanisms of two rod end spherical bearings are compared and analyzed. Experimental results show that the tribological properties of the bearings with the nylon liners reinforced by carbon fibers and PTFE are optimal, and their wear resistances are significantly improved. Slight adhesive wear and abrasive wear occurred on the worn surfaces of the liners reinforced by carbon fibers and PTFE, and severe adhesive wear and abrasive wear occurred on the worn surfaces of theliners reinforced by carbon fibers. Key

Key words: mechanics, rodendsphericalplainbearing, nylon, friction, wear, liner

CLC Number:

TH133.31⁺3

QIU Ming, LIANG Xia， LI Ying-chun. Tribological Properties of Rod End Spherical Plain Bearings with Modified Injection Molding Nylon[J]. Acta Armamentarii, 2017, 38(10): 2075-2080.

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