Injection Molding Cooling & Cycle Time Calculator

Determine mandatory part cooling time ($t_c$), polymer thermal diffusivity ($\alpha$), centerline freeze time, and total injection molding cycle time.

Part Geometry & Thermal Properties

Polymer Resin Preset:

Maximum Wall Thickness h (mm): Nominal part thickest rib/boss

Mold Water Temp T_mold (°C):

Melt Injection Temp T_melt (°C):

Safe Ejection Temp T_eject (°C): Heat deflection / demolding limit

Cond k (W/m·K):

c_p (J/kg·K):

ρ (kg/m³):

Cooling & Total Cycle Time

Required Cooling Time (t_c)

Estimated Total Cycle

Diffusivity (α)

Bulk Freeze Time

Cooling % of Cycle

Thermal Solidification Evaluation

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Injection Molding Cooling & Cycle Time Calculator

Part Geometry & Thermal Properties

Cooling & Total Cycle Time

Frequently Asked Questions