文章摘要
Method for Reducing Roundness of Hollow Solid Structure Rubber Traction Bush
Received:March 26, 2021  Revised:March 26, 2021
DOI：10.12136/j.issn.1000-890X.2021.12.0922
Key Words: rubber traction bush；pre-compression process；elliptical hole reducing diameter； roundness；radial stiffness
Author NameAffiliationE-mail
CAO Guangru* 1.Zhuzhou Times Reiwei Anti-Vibration Equipment Co.，Ltd；2.Zhuzhou Times New Material Technology Co., Ltd 327496222@qq.com 
YI Xing Zhuzhou Times New Material Technology Co.，Ltd  
ZHANG Qian 1.Zhuzhou Times Reiwei Anti-Vibration Equipment Co.，Ltd2. Zhuzhou Times New Material Technology Co.，Ltd  
JIANG Liangguang Zhuzhou Times New Material Technology Co.，Ltd  
ZENG Huai 1.Zhuzhou Times Reiwei Anti-Vibration Equipment Co.，Ltd；2.Zhuzhou Times New Material Technology Co.，Ltd  
LI Bin 1.Zhuzhou Times Reiwei Anti-Vibration Equipment Co.，Ltd；2.Zhuzhou Times New Material Technology Co.，Ltd  
LIN Sheng 1.Zhuzhou Times Reiwei Anti-Vibration Equipment Co.，Ltd；2.Zhuzhou Times New Material Technology Co.，Ltd  
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Abstract:
      For the hollow solid structure rubber traction bush，a new type of elastic multi-petal elliptical hole reducing diameter tooling（elliptical hole reducing diameter tooling for short） and the corresponding pre-compression process were designed to solve the problem of excessive roundness of the hollow solid structure rubber traction bush. The test results showed that，compared with the hollow solid structure rubber traction bush produced by the traditional axial circular hole extrusion process，the roundness of the hollow solid structure rubber traction bush prepared by the new elliptical hole reducing diameter process was reduced by 82%，the radial stiffness was slightly increased，and the adhesive property and fatigue resistance did not change significantly. The new elliptical hole reducing diameter process could be used for mass production of the hollow solid structure rubber traction bush.
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