Press-Fit Force Calculator

Calculate press-fit force from joint dimensions, interference, and material properties.

Geometry

Joint Diameter df

mm

Joint Length Lf

mm

Max Interference δ

mm

Hub OD da

mm

Shaft ID di

mm

0 for solid shaft

Material

Hub Modulus Ea

MPa

Shaft Modulus Ei

MPa

Poisson's Ratio ν

Friction Coeff. μ

Results

Coefficient Ca

-

Coefficient Ci

-

Contact Pressure Pfmax

- MPa

Press-Fit Force P
- N

Press-Fit Force
- kgf

Press Machine (×3~3.6)

- N