Machine Design
Shafts, joints, component sizing and mechanical design checks.
MODULE OVERVIEW
From principle to a traceable calculation.
Start with the calculation that matches the engineering condition, review the stated unit basis and assumptions, then use the related tools to continue the design sequence.
AVAILABLE CALCULATORS
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Preliminary torsional sizing for solid and hollow shafts.
Open calculator →Mechanical / ShaftsShaft Diameter - SolidSize a solid circular shaft from transmitted torque and allowable shear stress.
Open calculator →Mechanical / ShaftsShaft Diameter - HollowSize the outside diameter of a hollow circular shaft from torque, inner diameter and allowable stress.
Open calculator →Mechanical / ShaftsShaft under TorsionCalculate maximum torsional shear stress in a solid circular shaft.
Open calculator →Mechanical / ShaftsShaft under BendingCalculate nominal maximum bending stress in a solid circular shaft.
Open calculator →Mechanical / ShaftsCombined Bending + TorsionEstimate maximum shear stress from simultaneous bending moment and torque.
Open calculator →Mechanical / ShaftsShaft Critical SpeedEstimate first critical speed from known static deflection at a concentrated rotating mass.
Open calculator →Mechanical / ShaftsShaft DeflectionCalculate mid-span deflection of a simply supported solid shaft under a central load.
Open calculator →Mechanical / ShaftsShaft Angle of TwistCalculate angular twist of a solid circular shaft under torque.
Open calculator →Mechanical / ShaftsShaft Power TransmissionCalculate transmitted mechanical power from torque and rotational speed.
Open calculator →Mechanical / ShaftsShaft TorqueCalculate shaft torque from transmitted power and rotational speed.
Open calculator →Mechanical / ShaftsShaft StabilityScreen a shaft for Euler axial buckling under compressive load.
Open calculator →Mechanical / ShaftsShaft FatigueEstimate a torsional Goodman fatigue safety factor for a shaft.
Open calculator →Mechanical / ShaftsKeyway Shaft DesignCalculate key shear and bearing stress from transmitted torque.
Open calculator →ENGINEERING KNOWLEDGE
What each released calculator makes clear
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