Engineering Calculators

CALCULATE.
NOT GUESS.

8 industrial-grade calculators for polymer processing engineers. Clamping force, cooling time, shrinkage, cycle time, screw shear rate — all in one place.

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Clamping Force / Tonnage

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Formula

F = (A × N × P / 1000) × SF

Where A = projected area (cm²), N = cavities, P = cavity pressure (bar), SF = safety factor

Typical: 50–500 cm²

1, 2, 4, 8, 16, 32...

Typical: 300–600 bar

Recommended: 1.1–1.2

Result
264 Tonnes

Required clamping force

600 cm²
Total projected area
240 T
Without safety factor

Medium machine — typical for automotive, consumer electronics components.