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Circularity is a perfect condition.

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Where a circularity tolerance is applied to a cylindrical surface, if Rule #1 applies, the diameter must also pass thru its ____________________ boundary.

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A circularity tolerance feature control frame may be attached to a leader directed to the surface or to the size dimension.

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Explain circularity tolerance.

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A circularity tolerance define...

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A circularity tolerance is always applied to surface elements of a surface of revolution.

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What are the two parts of the definition for circularity.

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The definition of circularity as defined...

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Where a circularity tolerance is applied to a cylindrical surface, the distance between the ____________________ of the tolerance zone is equal to the circularity tolerance value.

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Explain how Rule #1 affects the circularity deviation of surface elements.

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Wherever Rule #1 applies to a regular fe...

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Roundness (circularity) is a simple tolerance to measure.

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When a circularity tolerance is applied to circular elements of a cylinder, the circularity deviation is verified by finding the distance between two ____________________ circles that all of the points of the surface are located between.

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coaxial

What is the circularity tolerance zone?

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The tolerance zone for a circularity tolerance is the space between two coaxial circles on any cross section plane perpendicular to the axis or spine. The tolerance zone circles may be best fit to the part circular element, or they may be established by a method that fits one of the tolerance zone circles to the part circular element. The outer circle may be the minimum circumscribed circle, or the inner circle may be the maximum inscribed circle. When the outer or inner circle is established, the second circle is coaxial with the first circle. The circularity tolerance value defines the radial distance between the circles.

A(n) ____________________ is an instrument used to measure roundness deviation.

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roundness (circulari...

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____________________ is the radial distance between two concentric circles that just contain the measured circular element.

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Minimum radial separ...

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What are the four areas of requirements that should be looked at to determine if a circularity tolerance is a standard-compliant specification?

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The four requirements, represented by the initials CARE, are: 1. Check for datums 2. Assess the application 3. Review the modifiers 4. Evaluate the tolerance

When a circularity tolerance is applied to a cylindrical surface, the circularity tolerance does not override Rule #1.

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