How does a radius gauge work?
How does a radius gauge work? |
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A radius gauge works as a concave and convex referencing device.
It is used to clarify how close the radius in question (on a workpiece) compares to the precisely machined radii on the gauge. |
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A light source should be placed behind the object being measured to help identify any gaps between the surfaces. | |||
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The precisely machined radius of the gauge is pressed closely against an object with either a concave or convex radius.
The two distinct measuring processes are described below. |
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Testing a concave radius |
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A radius gauge can be used to test the size of a concave radius on an existing object. | |||
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Here the external convex radius of the gauge is used to identify the internal concave radius of sheet metal. | |||
Testing a convex radius |
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A radius gauge can be used to test the size of a convex radius on an existing object. | |||
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Here the internal concave radius of the gauge is used to identify the external convex radius of a hinge.
Both measurements correspond to the same measurement as stated on the tool. |
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