CALCULATORS / MECHANICAL

Shafts, couplings and rotating assemblies

Elastic shaft models and specified supports.

torque, diameter, length, shear modulus → shear stress, twist angle

bending moment, torque, geometry → combined stress, diameter screening

torque, shaft diameter, key dimensions → key stress, required key length

torque profile, shaft sizes, misalignment → torque demand, geometric limits

shaft stiffness, supported masses, span → first critical-speed estimate

unbalance mass and radius, RPM → rotating force, correction moment

diameters, interference, material properties → contact pressure, transmitted torque estimate

support spans, loads, section stiffness → deflection, bearing-angle screening