Abstract
The parametric optimization of process parameter in cold chamber die casting for an industrial component (copper motor rotors) was analyzed. The filling process was successfully simulated based on software FLOW-3D. The distribution of gas entrapment, temperature field and surface defect during the mold filling process were discussed in details. The numerical results showed that the pouring velocity had the most significant influence on the filling time, followed by the filling temperature and the die temperature. As for the filling properties, the effect of the pouring temperature was dominant. From the simulation results, the places of defect in the copper rotor were forecasted, and the reasons of the defect were well explained. Thus, the technological parameters could be improved in numerical simulation, and the simulation results would be further validated in practice.
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