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Experimental study of friction in pneumatic seals

Abstract : Friction in the pneumatic cylinders is one of the most important factors impacting their performances and their reliability. This paper proposes to experimentally study the influence of the different seal geometry used in pneumatic cylinders and the operating conditions on the friction behavior. Experimental tests are conducted on industrial commercial pneumatic cylinders. In addition, piston and rod seals are tested separately to study the friction caused by each seal. The results show that the effect of pneumatic pressure on the friction is greater than that of the velocity. The seal geometry has a significant effect on friction, which is magnified as the seal diameter increases. In addition, 90% of the friction in pneumatic cylinders is due to the piston seals.
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Submitted on : Friday, October 22, 2021 - 3:15:10 PM
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Abdelhak Azzi, Abdelghani Maoui, Aurelian Fatu, Sébastien Fily, Dominique Souchet. Experimental study of friction in pneumatic seals. Tribology International, Elsevier, 2019, 135, pp.432-443. ⟨10.1016/j.triboint.2019.03.018⟩. ⟨hal-02285176⟩

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