Difference Concentricity and Run Out

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Concentricity is the condition where two or more features share a common center point, while run out is the amount of deviation from true circularity of an object.

Concentricity refers to the tolerance of the center point of a feature relative to another feature or axis.
Run out is the measurement of how much a part deviates from a true circular path when rotated around an axis.
Concentricity is important for ensuring proper alignment and fit between components, while run out is critical for maintaining balance and minimizing vibration.
Example: In a shaft and bearing assembly, concentricity ensures the shaft rotates smoothly within the bearing, while run out determines the amount of wobble or vibration during rotation.

Difference Concentricity and Run Out

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