Injection Molding Calculators

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Clamping Force Calculator

Number of cavities:
Part projected area (in²):
Runner projected area (in²):
Shot projected area (in²):
Cavity pressure (psi):
Separating force (tons):

Factor of safety:
Clamping force (tons):

Cooling Time Calculator

Max. wall thickness (in):
Thermal diffusivity (in²/hr):
Injection temperature:
Mold temperature:
Ejection temperature:
Theoretical cooling time (s):

Correction factor:
Corrected cooling time (s):

Thermal Diffusivity Calculator

English
Thermal conductivity (BTU∙in/hr∙ft²∙°F)	÷	Density (lb/in³)	×	Specific heat capacity (BTU/lb∙°F) x 144 × 144	=	Thermal diffusivity (in²/hr)
Metric
Thermal conductivity (W/m∙°K)	÷	Density (g/cm³)	×	Specific heat capacity (J/g∙°K)	=	Thermal diffusivity (mm²/s)

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