Abstract
The conformal cooling water circuit manufactured by using metal 3D printing SLM technology has significant advantages, compared to the straight drilling cooling water circuit, but there is still a problem of large temperature differences in local mold positions. Based on a circular cross-section spiral-shaped waterway, this article proposes a design that replaces a circular cross-section single helix with a runway-shaped double helix structure and sets a lattice structure in areas with large temperature differences. Finally, Moldflow is used to simulate the cooling effects of the two cooling forms. The results show that the lattice structure can significantly improve the phenomenon of uneven cooling, and the surface temperature difference of the mold has been improved by 41%. Compared to the circular section, the runway-shaped section has a better cooling effect, better temperature distribution, and more uniform cooling.
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