Injection Molding Clamping Force & Tonnage Calculator
Determine total projected area ($A_{proj}$), average cavity packing pressure, required clamping force ($F_{clamp}$), and machine tonnage sizing.
Part Geometry & Mold Cavitation
Area on mold parting line
Enter 0 for hot runner systems
Standard: 1.10 – 1.20
Clamp Tonnage Requirement
Required Clamping Force
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Total Projected Area
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Cavity Pressure
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Force in kN
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Specific Tonnage
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Molding Machine Sizing Advice
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