Calculation

Required Clamping Force

Created on · clamping-force

Calculates the normal force needed for friction clamping of a tangential cutting force.

Tangential load

Safety factor

Coefficient of friction

Effective contact surfaces

Screw torque

Screw pitch

Screw efficiency

How to use the result

The calculation describes the specified model. Check the tool, workholding, and machine limits before use.

F_N = safety factor · F / (μ · number of contacts)F_screw = 2π · η · M / pitch

Sources: Static friction equilibrium and screw work/energy relation.