Updraft

Critical speed — Simply supported, concentrated mass

Critical speed of a simply supported shaft with one component, such as a gear or a pulley, mounted along its length. Enter the mass of the component mounted on the shaft and give its position as the distance from one end. The mass of the shaft itself is not included.

Diagram: Critical speed Simply supported, concentrated mass

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Input

Shaft diameter
DD
Young's modulus
EE
Concentrated mass
mm
Shaft length
LL
Distance from one end to the concentrated mass
L1L_1

Result

Second moment of area
II
Critical speed
ωc\omega_c
Simply supported, concentrated mass | Updraft - Mechanical Engineering Calculators