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Concentricity GD&T Training Definitions

Geometric Dimensioning & Tolerancing GD&T Training
GD&T Training Definitions

Concentricity - Concentricity describes a condition in which two or more features (cylinders, cones, spheres, etc.) in any combination have a common axis.  Measurement requirements for concentricity involves the complex task of mapping the referenced feature by way of opposed point measurements.  A through understanding of the measurement process should be investigated before defining feature relationships using concentricity.  Symbol:

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