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How to check for imperfections using a radius gauge?

How to check for imperfections using a radius gauge?

Shop for Radius Gauges

Pitted radius may be the result of corrosion over time Many object have edges with an imperfect radius. Imperfections are often unknown ntil checked correctly with a radius gauge.
 There are no imperfections on Wonkee Donkee!
Radius Gauge in use

Step 1 – Select gauge

To check a machined surface, such as an inner bearing (pictured), use any gauge with a concave measuring capability. The gauge shown has a 2mm radius (5/64 inch).

Radius gauge checking for imperfections

Step 2 – Assess surface radius

Move the gauge along the curvature of the surface, making sure it remains in contact with no visual gap in between. Look out for any loss of contact between the surfaces, or any irregular movement of the gauge around the radius.

Grinding a Stainless Steel Corner Weld With a Flap Disk

Step 3 – If necessary, correct radius

Loss of surface contact or interrupted gauge movement is an indication that the radius may require grinding or polishing, to match the required shape. Radii on bearings are often required to meet specifications that allow for safe operating procedure.

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