文章摘要
Simulation Study on Hot Assembly of GK320 Mixer Rotor Based on ANSYS
Received:August 25, 2020  Revised:August 25, 2020
DOI：10.12136/j.issn.1000-890X.2021.07.0528
Key Words: mixer；rotor；thermal assembly；interference fit；thermal deformation；thermal stress；finite element analysis
Author NameAffiliationE-mail
WANG Chuansheng Qingdao University of Science and Technology；Shandong Key Laboratory of Advanced Manufacturing Technology of Polymer Materials wangcs07@163.com 
ZHANG Shoufeng Qingdao University of Science and Technology  
WANG Kongshuo Qingdao University of Science and Technology  
WANG Zhifei Yiyang Rubber & Plastics Machinery Group Co. ，Ltd  
BIAN Huiguang* Qingdao University of Science and Technology；Shandong Key Laboratory of Advanced Manufacturing Technology of Polymer Materials Bianhuiguang@163.com 
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Abstract:
      The interference fit of the mixer rotor（composed of the rotor body and rotor core shaft） could be achieved by thermal assembly；however，the thermal deformation and thermal stress of the rotor body during the assembling could easily cause cracks between the rotor body and the rotor core shaft，thereby causing water leakage. In this study，a rotor model was established for the thermal assembly process of GK320 mixer rotor，and the temperature field of the rotors with different interferences were analyzed by using ANSYS finite element. Then，the thermal deformation and thermal stress were analyzed using temperature field of the rotor body，and the relationship between the interference and the thermal deformation and thermal stress of the rotor was obtained. The results of this study could provide references for the design，processing and assembly of the mixer rotors.
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