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Lip Contact Stress Analysis of Aircraft Actuator VL Seal
Author(s): 
Pages: 18-21
Year: Issue:  7
Journal: Hydraulics Pneumatics & Seals

Keyword:  reciprocating sealaircraft actuatorfinite element analysisVL seal ringthe sealing lip contact width;
Abstract: This paper briefly introduces the reciprocating sealing mechanism of the dynamic seal, and qualitatively analyzes the related pa-rameters that affect the sealing performance. The VL seal ring of aircraft actuator is analyzed to get lip contact pressure distribution curve un-der different sealing medium pressure using ANSYS analysis software. By comparing the different conditions of sealing medium pressure curve, discovers that the sealing medium pressure has a great influence for seal lip contact area pressure distribution. The greater the pres-sure, the greater the sealing lip contact width. The contact pressure curve near the side sealing fluid change more steep, closer to the recipro-cating seal triangle contact pressure distribution. It is advantage to realize the net leakage and even negative leakage of reciprocating seal. It is confirmed that the VL type seal ring can be used in important reciprocating seal environment, and can realize automatic compensation function of sealing under high pressure.
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