文章摘要
Study on Friction and Sealing Performance of Circle-Ellipse Vertical Composite Microporous Textured End-Face Sealing Device of Mixer
Received:April 25, 2023  Revised:April 25, 2023
DOI：10.12136/j.issn.1000-890X.2026.03.0211
Key Words: composite microporous texture；internal mixer；end-face sealing equipment；roughness effect；sealing performance；friction performance
Author NameAffiliationE-mail
WANG Zesheng College of Electromechanical Engineering, Qingdao University of Science and Technology 1091625258@qq.com 
ZHANG Chao College of Electromechanical Engineering, Qingdao University of Science and Technology  
SONG Yumeng College of Electromechanical Engineering, Qingdao University of Science and Technology  
XU Yan College of Electromechanical Engineering, Qingdao University of Science and Technology  
YANG Fuqin* College of Electromechanical Engineering, Qingdao University of Science and Technology yangfuqin@qust.edu.cn 
ZHANG Zerong 青岛科技大学  
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Abstract:
      The circle-ellipse vertical composite microporous texture （hereinafter referred to as composite texture）on the sealing end-face of the internal mixer was set up，and a composite textured end-face sealing model was established.Based on fluid dynamic pressure lubrication theory，the friction performance and sealing performance of the composite textured end-face sealing device of the internal mixer were investigated considering the roughness effect.The results indicated that，under different comprehensive roughness parameters，when the texture depth（hp） of the composite textured end-face was 4～6 μm，the end-face sealing device exhibited good friction performance but poor sealing performance.Under different roughness texture direction parameters，when the hp of the composite textured end-face was 5～7 μm，the end-face sealing device showed too good friction performance but poor sealing performance.With the increase of the texture area ratio of the composite textured end-face，the friction performance of the end-face sealing device was improved，while its sealing performance was reduced.
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