Engineering DisclaimerEngineering calculations are provided for preliminary design and educational/reference purposes only. Users must verify all results according to applicable engineering standards, supplier data, manufacturing requirements, and professional engineering judgment.
ASME DE-Goodman
Ejes y Transmisión
Calculadora de Diámetro de Ejes
Calcule el diámetro mínimo requerido de eje para cargas combinadas de torsión y flexión usando el criterio de fatiga ASME DE-Goodman.
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Calculated Sizing outputs
Required Outer Diameter (Do)
34.410mm
Inner Diameter is not applicable to Solid Shaft profiles.
Design Allowable Stress
25MPa
Calculation Summary
Input Parameters
Shaft Profile Type
Solid Shaft
Calculation Source
Applied Torque
Torsional Moment
200N·m
Allowable Shear Limit (τ_allow)
50MPa
Factor of Safety (FOS)
2
Calculated Results
Required Outer Diameter (Do)
34.410mm
KEY
Allowable Design Stress
25.00MPa
Safety Notes
This calculation assumes pure torsion under ASME transmission criteria. Shaft sizing must be validated for combined bending moments, keyways, stress concentrations, and dynamic shock coefficients.
Sizing is based entirely on ASME transmission standards under pure torsion. In real designs, shafts are subject to bending from pulleys/gears, axial thrust, and shock coefficients. Allowable shear values are typically 30% of yield strength (Sy) or 18% of tensile strength (Su), whichever is lower.
Engineering Disclaimer: Calculations are provided for preliminary design and reference purposes only. Shaft designs must account for combined bending moments, keyways, stress concentrations, dynamic forces, and structural resonance parameters.