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4.10 Radius Gages

D.M. Donner

A set of metal radius gages in a red plastic sleeve.
Figure 4.114. A set of metal radius gages in a red plastic sleeve. / Image Credit: Damon Donner, CC BY 4.0

Radius gages are used to gage radii on machined parts. These sets come in inch as well as metric measurements. Inch sizes come in decimal or fractional. It is very common to use all three sets to gage a tight tolerance radius due to the larger resolution.

A metal radius gage with five different radius shaped sides.
Figure 4.115. A metal radius gage with five different radius shaped sides. / Image Credit: Damon Donner, CC BY 4.0

The figure above is an example of a radius gage. This one is .500″. There are five radius examples on each gage. This allows the gage to measure both inside and outside radii.

Attributions

  1. Figure 4.114: Radius gage set by Damon Donner, for WA Open ProfTech, © SBCTC, CC BY 4.0
  2. Figure 4.115: .500″ Radius gage by Damon Donner, for WA Open ProfTech, © SBCTC, CC BY 4.0

License

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Introduction to Machining Copyright © by SBCTC is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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