文章摘要
Optimization Analysis of VL Sealing Structure Based on Abaqus and Orthogonal Experimental Design
Received:September 04, 2024  Revised:September 04, 2024
DOI：10.12136/j.issn.1000-890X.2026.09.0681
Key Words: VL sealing structure；structural parameter；structural optimization；orthogonal experimental
Author NameAffiliationE-mail
ZHAO Minmin* Chongqing University；Guangzhou Mechanical Engineering Research Institute Co.，Ltd zhaominmin@gmeri.com 
WEI　Jing Chongqing University  
LIANG Huoshou Guangzhou Mechanical Engineering Research Institute Co.，Ltd；Guangzhou SINOMACH Sealing Technology Co.，Ltd  
HE Yuxing Guangzhou Mechanical Engineering Research Institute Co.，Ltd  
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Abstract:
      Based on orthogonal experimental design ，Abaqus software was utilized to conduct optimization analysis on the VL sealing structure，with friction force and maximum equivalent stress on the friction face and leakage under static conditions as the optimization objectives，four key structural parameters （radial thickness of the sealing ring，radial thickness at the mating area between the sealing lip and O-ring，sealing inclination angle and height of the mating area between the lip and O-ring） as optimization targetes.The results indicated that，the radial thickness of the sealing ring had opposite effects on friction force and leakage of VL sealing structure，considering that a small leakage leads to a large friction force，its recommended value was 2.5 mm.But the larger radial thickness of the sealing ring could be chosen in situation where the friction force of VL sealing structure requirement was not high.The radial thickness at the mating area between the sealing lip and the O-ring had little effect on the leakage of the VL sealing structure，and its recommended value was 0.80～0.85 mm.The influence of the sealing inclination angle on both the maximum equivalent stress and leakage of the VL sealing structure was not significantly different to prioritize achieving the small leakage，its recommended value was 13°.The height of the mating area between the lip and the O-ring had little effect on friction force，maximum equivalent stress and static leakage，its recommended value was 1.05～1.15 mm.
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