Circular Shaft Maximum Torque Calculator

The measure of the force used by an object to rotate is the torque or the twisting moment. The performance of the circular shaft is found by maximum power, engine rotation speed and torque at which it occurs. The twisting moment of the circular shaft helps in calculating the maximum speeds. Enter the maximum shear stress, radius of shaft and polar moment of inertia in this Circular Shaft Maximum Torque calculator to calculate the twisting moment in circular shaft.

Calculate the Twisting Moment in Circular Shaft

MPa
mm4
mm
Nmm

The measure of the force used by an object to rotate is the torque or the twisting moment. The performance of the circular shaft is found by maximum power, engine rotation speed and torque at which it occurs. The twisting moment of the circular shaft helps in calculating the maximum speeds. Enter the maximum shear stress, radius of shaft and polar moment of inertia in this Circular Shaft Maximum Torque calculator to calculate the twisting moment in circular shaft.

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Formula:

Tmax = (τmax x (J / R)) Where, Tmax = Circular shaft Maximum Torque (Twisting Moment) τmax = Maximum Shear Stress J = Polar Moment of Inertia of an Area R = Radius of Shaft

Example

The maximum torque of circular shaft with shear stress as 23Mpa, polar moment of inertia as 12 mm4 and shaft radius as 5mm.

The Twisting Moment in Circular Shaft = 23 x (12 / 5)
= 55.2000 Nmm


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