HEAT DISTRIBUTION IN A POLYMERIC ROD UNDER DRY FRICTION IN RECIPROCATING SEALS
Résumé
The paper presents some particular aspects of heat generation and distribution in a polymeric rod, part of a sealing system with rubber lip for a pneumatic drive. The reciprocating motion particularities like periodically zero values for the speed, static and dynamic friction alternating regimes, lead to a nonlinear tribological behavior of the sealing system. In order to identify the ways the heat is generated and distributed in the rod, a test rig was built. Based on the experimentally acquired data, a finite element model is proposed. This way the optimal polymeric material can be selected, ensuring the reliability of the sealing system.
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