Interference Fit Calculator
Analyze pressure, assembly force, and torque capacity for shaft-hub press fits.
Geometric Data
mm
mm
mm
mm
mm
mm
mm
Material Properties
MPa
Analysis Results
Maximum Interference
0.060 mm
Contact Pressure (Max)
45.2 MPa
Min. Interference
0.020 mm
Avg. Interference
0.040 mm
Assembly Force
63.9 kN
Torque Capacity
1598 Nm
Shrink Fit Data
Required Temp. Difference (ΔT)
95.2 °C
Based on α = 12.0 × 10⁻⁶ /°C
Interference Fit Analysis Report
Technical Datasheet
Input Parameters
Nominal Diameter: mm
Hub Outer Diameter: mm
Engagement Length: mm
Elastic Modulus: MPa
Friction Coeff:
Summary Results
Max Interference: mm
Min Interference: mm
Contact Pressure: MPa
Assembly Force: kN
Torque Capacity: Nm
Notes: Analysis based on Lamé equations for thick-walled cylinders. Calculations assume a solid shaft and homogeneous material properties for both shaft and hub.