Shaft diameter for a grooved shaft in bending (given Kt)

Sizes the diameters of a grooved/shouldered shaft in bending from the applied bending moment, yield strength, target endurance ratio and a prescribed geometric stress concentration factor Kt.

✓ gevalideerd tegen origineelorigineel: /calculators/c3_2.htm

Shaft diameter for a grooved shaft in bending (given Kt) — original diagram from /calculators/c3_2.htm

Buigend moment in de gegroefde doorsnede, MNmVloeisterkte, Rₚ₀.₂MPaVerhouding vermoeiingssterkte σₑ/Rₚ₀.₂Asdiameterverhouding, d/DSpanningsconcentratiefactor, Kₜ

Asdiameter, d20.8 mm

Asdiameter, D26.1 mm

No dedicated diagram exists in the legacy archive for c3_2.htm — reuses the grooved-shaft photo from stress-conc-grooved-shaft-tension (e1_3a.htm), since this calculator sizes the same grooved-shaft geometry, just solving for diameter given Kt rather than for Kt given diameter.

Methode & referenties

Shaft diameters sized from a prescribed geometric stress concentration factor Kt (e.g. read from a Kt chart) so bending stress at the groove stays under σₑ = sf·Rₚ₀.₂.

Mechanical properties of metals reference table

De berekening is een letterlijke overzetting van de originele client-side JavaScript van /calculators/c3_2.htm. Resultaten zijn geverifieerd gelijk aan het origineel via een geautomatiseerde golden-master-test. Geen enkele formule is opnieuw afgeleid of “verbeterd”.

Shaft diameter for a grooved shaft in bending (given Kt) — Engineering ABC