Splined shaft connection — torsional stress
Torsional (shear) stress in a splined shaft connection, based on the root/minor diameter, under a static torque.
Torsional stress, τ = T/((π/16)·d_k³)50.93 MPa
Method & references
- Torsional stress in a splined shaft connection (spline, straight-tooth or involute-tooth), based on the root diameter.
The computation is a literal port of the original client-side JavaScript from /calculators/splineshaft.htm. Results are verified equal to the original by an automated golden-master test. No formula has been re-derived or “improved”.