Shaft Torsion Analyst

ASME B106.1M — Mechanics of Materials

Applied Loads

kN·m

Geometry & Material

mm
GPa
MPa

Safety Evaluation

Safety Factor (n)--
01.02.0
Awaiting Input

Design Results

Min. Diameter (dmin)
--mm
Recommended Size (dstd)
--mm
Actual Shear (τmax)
--MPa
Angle of Twist (θ)
--deg
Safety Factor (n)
--

Reference Formulas

Torsional Shear Stress:
τ = T · c / J   (c = d/2, J = πd⁴/32)
Minimum Diameter (ASME):
d = ( 16T / πτallow )1/3
Angle of Twist:
θ = TL / GJ   (radians)
Safety Factor n = τallow / τmax (n ≥ 1.0 required, 2.0 recommended)
Torsional Shear Stress Distribution
Twist vs Length Profile
Required Diameter vs Torque
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