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OpenSpecEngineering

Open data for a field built on precision

Shaft Sizing & Keyway

Minimum shaft diameter for combined bending and torsion using the maximum-shear-stress (ASME) approach, plus a square-key size estimate using the common rule of thumb w ≈ d/4.

key, w ≈ d/4 T M shaft under combined bending M and torque T
Combined bending + torsion loading on a keyed shaft.

Solution

History