| Numerical Simulation on Design of Rubber Cold Runner |
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| DOI： |
| Key Words: rubber cold runner；numerical simulation method；temperature field analysis；orthogonal test |
| Author Name | Affiliation | | ZHANG Huimin | Qingdao University of Science and Technology | | TANG Yue | Qingdao University of Science and Technology |
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| Abstract: |
| In this study，the temperature field of cold runner casting system for rubber injection mold was analyzed by combining numerical simulation method and orthogonal experimental test method.Numerical calculation was done by using implicit stationary solution，the k-ε turbulence model was used to close the motion equations，the standard wall function method was applied for the flow flied in near wall region，no slip boundary condition was adapted for solid wall，and SIMPLE algorithm was applied for pressure speed coupling.The experiment was designed using a three-factor and three-level orthogonal experiment design.The factors were hole diameter，inlet temperature and inlet velocity for heat conduc-tion oil.Based on the experimental test results，the temperature field distribution was obtained.It was found that when hole diameter，inlet temperature，inlet flow rate of heat conduction oil were 10 mm，95℃，3.5 m·s-1，respectively, the compound temperature was optimized and temperature field distribution was uniform. |
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