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Combined Bending and Torsion Calculator

Estimate the maximum shear stress in a solid circular shaft under simultaneous bending moment and torque.

Bending moment: 2 kN·m
Live concept view — geometry scales with the entered design condition.

Design inputs

Enter known values using the units shown. Results and the live SVG view update immediately.

PRELIMINARY RESULT

Equivalent torque for maximum-shear check2.50 kN·m
Nominal maximum shear stress (Tresca basis)
101.86 MPa

Calculation detail

Formula: Te = √(M² + T²); τmax = 16Te / (πd³)

The equivalent torque expresses the maximum-shear-stress (Tresca) combination for nominal elastic stresses in a solid circular shaft.