文章摘要
Optimization Design of Screw Structural Parameters of Rubber Injection Molding Machine and It’s Finite Element Simulation Analysis
Received:December 22, 2023  Revised:December 22, 2023
DOI：10.12136/j.issn.1000-890X.2025.08.0607
Key Words: injection molding machine；screw；structural parameter；optimization design；finite element simulation；test verification
Author NameAffiliationE-mail
XIN Jinwei Qingdao University of Science and Technology 1159017794@qq.com 
MA Zichen Qingdao University of Science and Technology  
WANG Yupeng Qingdao University of Science and Technology  
JIAN Ranran Qingdao University of Science and Technology；Dalian Rubber & Plastics Machinery Co.，Ltd  
ZENG Xiankui Qingdao University of Science and Technology  
MAIO Qing* Qingdao University of Science and Technology 15092058513@163.com 
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Abstract:
      To solve the problem of poor plasticizing quality of the compound in rubber injection molding machine，the optimization design and finite element simulation analysis of the structural parameters of the screw were carried out.Based on the structural parameters of the 522C008 screw，the optimized design 522C03901 screw maintained the same length-to-diameter ratio，while the geometric compression ratio，helix angle，pitch，groove depth and rib width were reduced.Finite element simulation analysis and test verification revealed that，compared with the 522C008 screw，during the injection molding process of the compound，the maximum plosticizing temperature，average outlet temperature and maximum outlet temperature of the 522C03901 screw increased，average outlet pressure was improved.The injection molded rubber strip displayed a smooth surface without scorching，indicating that the 522C03901 screw delivered superior plasticizing effect.
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