文章摘要
Study on influence of Turning Process Parameters on Sizes and Surface Roughnesses of Step Ring Sealing Rings
Received:July 06, 2023  Revised:July 06, 2023
DOI：10.12136/j.issn.1000-890X.2025.05.0378
Key Words: step ring；sealing ring；turnning process parameter；size；surface roughness
Author NameAffiliationE-mail
ZHAO Minmin* Guangzhou Mechanical Engineering Research Institute Co.，Ltd；Chongqing University zhaominmin@gmeri.com 
HE Yuxing Guangzhou Mechanical Engineering Research Institute Co.，Ltd  
HUANG Le .Guangzhou Mechanical Engineering Research Institute Co.,Ltd  
CHEN Zhangbin .Guangzhou Mechanical Engineering Research Institute Co.,Ltd  
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Abstract:
      The influence of turning process parameters（feed rate and lathe speed） on the sizes and surface roughnesses of step ring sealing ring was studied.The results showed that，when using old cutting blades，with the increase of feed rate，the inner diameter of the sealing ring presented decreasing trend and the outer diameter presented increasing trend at low speeds，and the inner diameter and outer diameter of the sealing ring first increased and then decreased at high lathe speeds.Compared with using the old blade，the changes of the inner diameter，outer diameter and radial thickness of the sealing ring when using the new blade were generally the consistent，and only at a lathe speed of 2 400 r·min-1，the outer diameter of the sealing ring first increased and then decreased.As the increase of the lathe speed，the size of the sealing ring fluctuated similarly when using new and old blades.The surface roughness of the sealing ring was less affected by the lathe speed.As increase of the feed rate，the surface roughness of the sealing ring increased，and the larger the feed rate was，the faster the rate of increase in surface roughness of the sealing ring.
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