Categories
Shafts and shaft-hub connections
Shaft pre-design, parallel keys, and cylindrical interference fits.
06available
Pre-size the shaft and then verify the selected torque-transmitting connection.
Expansion prepared
Calculators in this category
01DIN 743-1
Shaft Diameter
Pre-size a solid shaft under bending and torsion.
Open calculator →02DIN 743-1/-2:2012 · DIN 743-3:2024
DIN 743 Shaft Verification
Verify multiple critical sections for fatigue and maximum load.
Open calculator →03Classical linear elasticity
Shaft Angle of Twist
Calculate twist, stiffness, and shear stress of a circular shaft.
Open calculator →04DIN 6892:2025
Parallel Key
Verify a parallel-key connection.
Open calculator →05DIN 6885-1:2021-11
Parallel-key Dimensions
Look up key and keyway dimensions to DIN 6885-1.
Open calculator →06DIN 7190-1:2017
Interference Fit
Calculate pressure and capacity of an interference fit.
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