文章摘要
Optimum Design of Cold Runner of Large Asymmetric Rubber Product Injection Mold
Received:April 02, 2019  Revised:April 02, 2019
DOI：10.12136/j.issn.1000-890X.2019.07.0551
Key Words: injection mold；cold runner；large asymmetric structure；rubber product；finite element analysis；optimum design
Author NameAffiliationE-mail
ZENG Xiankui Qingdao University of Science and Technology zxk1967@163.com 
TENG Yanli* Qingdao University of Science and Technology 610975048@qq.com 
JIA Weichen Qingdao University of Science and Technology  
CHEN Hongshuai Qingdao University of Science and Technology  
ZENG Jia Southwest Jiaotong University  
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Abstract:
      In this paper，the cold runner of the large asymmetric rubber product injection mold used in high-speed rail outer windshield was designed and optimized.Eight schemes were designed for the cold runner of the injection mold according to the orthogonal test method.Through the use of the finite element simulation software POLYFLOW，eight design schemes were simulated for fluid pressure，flow velocity，shear rate and viscosity.The optimization scheme was selected，then the main variables—the inlet flow rate in the scheme were optimized once，and the best design scheme was finally obtained：Model 2 was selected for the diversion channel，the gate diameter was 6 mm, and the inlet flow rate was 90 cm3·s-1.
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