Design of conformal cooling channels for an automotive part |
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Authors: | H S Park N H Pham |
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Institution: | (1) School of Mechanical and Automotive Engineering, University of Ulsan, Ulsan, 680-749, Korea |
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Abstract: | The cooling system plays a crucial role in determining the productivity and quality of an injection molding process. With
the current growth of Solid Freeform Fabrication (SFF) techniques, mold designers have been striving for not only improvement
in cooling system performance but also for a method to do so automatically. In this paper, a method is proposed for developing
a conformal cooling system that facilitates uniform cooling over the entire mold surface with minimum cycle time. Based on
the temperature distribution after the filling stage, the mold surface is split into zones which will be cooled by optimized
subconformal channels obtained from the optimization process. The optimization process in which the objective function is
stated as minimization of the cooling time with boundaries ensuring a realistic design will optimize the cooling system layout
in terms of cooling channel size and location. Finally, all subcooling channels are combined to generate the entire conformal
cooling system for the injection mold. |
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Keywords: | Injection mold Conformal cooling channel Optimization Cooling time |
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