Hot stamping is ideal for producing various automotive structural components, due to its capacity to generate lightweight parts with good mechanical properties like strength, hardness, and durability. This study proposed a new hot stamping design die with an integrated conformal cooling channel. Hot stamping dies with different cooling channel layout was subsequently simulated. Flow simulation considering selection of channel layout type (Reynolds number derived from flow evaluation for each channel), temperature evolution for the blank over each cycle, and local hot spot development on the die are presented and compared. The simulation results reveals that the proposed Spiral Conformal Cooling Channel (CCC) significantly improves the cooling performance of stamping dies, especially in cooling uniformity. Based on the simulation results, the optimum conformal channel layout structure that is efficient and suitable for additive manufacturing can be determined.
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