Shaft Stress Concentration Calculator



Large
diameter, (mm) D =




Small
diameter, (mm) d =




Axial load (N)
=




Major shaft
diameter (mm) =




Transition
radius (mm) =




Stress
concentration factor fillet shaft, Kt =




Stress
concentration factor undercut shaft, Kt =




Shaft length
(mm) =




Shaft modulus,
E (GPa) =




Area at
fillet shaft diameter (mm^{2}) =




Area at
fillet shaft diameter (mm^{2}) =




Fillet design
stress, sigma (MPa) =




Undercut
design stress, sigma (MPa) =




Shaft
deflection along minor diameter (μm) =








Case A: Radius
Between Diameters









radius r (mm)

Kt

Stress (Mpa) s/F














































Case C: Hole in the
Middle of Diameter









Hole d (mm)

Kt

Stress (Mpa) s/F






























Case B: Radius
Undercut Between Diameters









Shaft min d

Kt

Stress (Mpa) s/F














































Case
D: Slot located at Center, where corner radius is r, width is b=D/4, and
depth is t=D/8









radius r (mm) (Fixed Value)

Kt

Stress (Mpa) s/F


1.0000







