Relationship between Load, Rotation Speed and, Strength in All - PEEK and PEEK Race – PTFE Retainer Hybrid Polymer Bearings under Dry Rolling Contact Fatigue

Abstract

The production of bearings is focusing on polymers, such as polyether ether ketone (PEEK), a tough semi-crystalline thermoplastic polymer with excellent mechanical properties and polytetrafluoroethylene (PTFE), a material with low friction coefficient. The purpose of this study was to establish the properties of hybrid PEEK races – PTFE retainer bearings. Rolling contact fatigue tests were performed in order to investigate the wear properties of such components and the relation between load and rotation speed. It is concluded that by using a PTFE retainer, no wear occurs under thrust load ranging from 200N to 800N at 300rpm.

PEEK Composites as Self-Lubricating Bush Materials for Articulating Revolute Pin Joints

“…Most of the work relating to PEEK composites has been conducted in the lab using standard tribo-meters. For engineering use, some research has been carried out where PEEK composites form the tribological component, including ball bearings [8,24], thrust bearing [25], orthopaedic device [26] and crank shaft bush on the robot joint [27]. There is no work conducted towards journal bearing bushes made of PEEK composites.…”

Effect of SiO2 nanoparticles‐decorated SCF on mechanical and tribological properties of cenosphere/SCF/PEEK composites

“…Poly(ether ether ketone) (PEEK) is one of the high‐performance engineering plastics with excellent comprehensive properties. In order to satisfy the requirements of modern industry, like nonlubrication, high temperature, high load, corrosion, and so forth, PEEK was blended with other high‐performance polymers or compounded with fibers and other fillers to improve its mechanical, thermal, and tribological properties . Short carbon fiber (SCF) has been proved to be an effective reinforcement in improving the mechanical properties and wear resistance of PEEK …”

Influence of cenosphere on tribological properties of short carbon fiber reinforced PEEK composites

“…A special advantage of polymer materials is that their tribological properties can be improved by adding many types of reinforcements, lubricants, or other fillers to ensure they can be used in a broad range . Due to the high specific strength and stiffness, excellent tribological performances, light weight, nonmagnetic and high corrosion resistance, poly(ether ether ketone) (PEEK) and PEEK‐based composites attracted much attention of tribologists . In order to meet the requirements of the modern industrial machinery, especially the requirements under high contact pressure and oil‐free lubrication conditions, many attempts have been tried to improve the tribological performance of PEEK by material scientists .…”

“…1,2 Due to the high specific strength and stiffness, excellent tribological performances, light weight, nonmagnetic and high corrosion resistance, poly(ether ether ketone) (PEEK) and PEEKbased composites attracted much attention of tribologists. [3][4][5][6] In order to meet the requirements of the modern industrial machinery, especially the requirements under high contact pressure and oil-free lubrication conditions, many attempts have been tried to improve the tribological performance of PEEK by material scientists. [7][8][9] Modification of PEEK with short carbon fiber (SCF) reinforcement and lubricant additives has been proved to be effective in improving the wear resistance of PEEK.…”