Guide / Cooling Design

Mold Cooling Channel Design

Optimizing cooling for shorter cycle time and less warpage

Cooling Types

TypeCooling EfficiencyManufacturing CostCleanability
Straight DrillingFairLowEasy
BubblerGoodMediumModerate
BaffleGoodMediumModerate
Conformal (3D Printed)ExcellentHighDifficult
Thermal Pin (Heat Pipe)ExcellentHighN/A

Rule: cooling distance = 2-2.5x channel diameter. Channel diameter should be 8-12mm for most molds. Water velocity > 1.5 m/s for turbulent flow.