Composite bearings of PTFE as the base material have been widely used for automotive parts.However, in recent years, due to downsizing, faster sliding speeds, and tendency to increase the bearing load with high performance, particularly for boundary lubrication conditions, the PTFE-based composite bearing is often worn, making it difficult to apply to some applications.A high strength polymer was selected as an alternative to PTFE base material, and the mechanical properties and performance in a start-stop test, reciprocating sliding test and seizure test were evaluated.Focusing on the characteristics of high strength, by applying a PEEK resin, in each evaluation, it was confirmed that superior performance was achieved compared with a conventional PTFE based composite bearing.
Development of High Strength Polymer Based Bearing for Automotive Parts under Boundary Lubrication
Sae Technical Papers
SAE 2012 World Congress & Exhibition ; 2012
2012-04-16
Aufsatz (Konferenz)
Englisch
Composite materials , Bearings , Parts , Resins , Polymers
Development of High Strength Polymer Based Bearing for Automotive Parts under Boundary Lubrication
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