High Pressure Die Casting: Thermal Die Cycling

Modeling thermal die cycling with FLOW-3D

H13 steel die at the end
of the 7th cycle

Die cycling simulations are essential for high pressure die casting since the same die is used repeatedly to produce many thousands of castings. These simulations must provide accurate temperature distributions in a die through the duration of the process. With FLOW-3D Cast the temperature distributions result from the combined effects of die heating (during filling and solidification), spraying and air blow-off (during the opening), and the location of cooling channels and inserts.

The image above shows the distribution of temperature in a die (H13 steel) at the end of the seventh cycle (note: a condition of quasi-equilibrium has been reached). Cooling channels are visible as cold spots on the die surface.

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Thermal Die Cycling HPDC simulation. H13 steel die colored by wall temperature.

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