// multi-utility computation suite · offline · instant · precise
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eng.forging-die-pressure Calculator
Calculates forging die pressure from flow stress, flash land geometry, and friction factor using the slab analysis method. Die pressure in closed-die forging can exceed 1,000 MPa — the flash restricts metal flow outward, creating lateral pressure that fills the cavity.
Inputs
Sigma Y Mpa
Internal force per unit area (Pa or MPa). Must stay below yield strength in service.
R Mm
Distance from centre to edge of a circle. Radius = diameter / 2.
H Mm
Vertical measurement. For health calculators, typically standing height without shoes.
Mu Friction
Reference formula or conversion factor shown for context.
Results
average die pressure p_avg (MPa)
The arithmetic mean -- sum divided by count.
total forging force F (kN)
The combined total across all inputs and components.
pressure at centre (MPa)
The value at the specified point or condition.
p_avg = σ_Y(1 + 2μR/3h)
Reference formula or conversion factor shown for context.