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Paper Information

Journal:   IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)   OCTOBER-NOVEMBER 2011 , Volume 24 , Number 4 (ISSUE NUMBER 114); Page(s) 317 To 327.
 
Paper: 

SIMULATION OF INJECTION MOLDING PROCESS INCLUDING MOLD FILLING AND COMPOUND CURING

 
 
Author(s):  ERFANIAN MOHAMAD REZA*, JAVADI SEYED MOHAMAD, MOGHIMAN MOHAMAD
 
* DEPARTMENT OF MECHANICS, FERDOWSI UNIVERSITY OF MASHHAD, MASHHAD, IRAN
 
Abstract: 

The present work reports and discusses the results of a 3D simulation of the injection molding process of a rubber compound that includes the mold filling stage and material curing, using the computer code is developed in "UDF" part of the Fluent 6.3 CAE software. The data obtained from a rheometer (MDR 2000) is used to characterize the rubber material in order to find the cure model parameters which exist in curing model. Because of non-newtonian behavior of rubber, in this work the non-newtonian model for viscosity was used and viscosity parameters were computed by mean of viscometry test by RPA. After calculation of the physical and curing properties, vulcanization process was simulated for a complex rubber article with non-uniform thickness by solving the continuity, momentum, energy and curing process equations. Predicted filling and curing time in a complex and 3D rubber part is compared with experimentally measured data which confirmed the accuracy and applicability of the method.

 
Keyword(s): SIMULATION, CURING PROCESS, INJECTION MOLDING, NON-NEWTONIAN FLUID, CURING TIME
 
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