How to use individual radius blades?
How to use individual radius blades? |
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Step 1 – Select bladeChoose an individual radius blade. Either a blade with 5 measuring surfaces or a multi-function ring-bound blade. |
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Step 2 – If necessary, affix gauge holderYou may wish to affix a gauge holder (only for gauge with 5 measuring surface). This could help with placement against the object you are measuring. |
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Step 3 – Identify structural curvesIdentify whether machined parts have a structural curve which improves the strength of an object. This is known as a ‘shoulder’. Materials with a shoulder are often measured using radius blades so the level of added strength can be worked out from the internal radius. |
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A radius blade with 5 measuring surfaces or a multi-function ring-bound blade are best suited to measuring shoulders on work pieces because of their ease in maneuverability. A radius gauge set with multi-function blades could also be used. | |||
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Step 4 – Measure curve radiusThe visual test method still applies. (See: ‘How to use a radius gauge set to inspect an existing object’). Set up a light source behind the object you are measuring. This allows you to see how close the blade can be positioned against the object. |
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The radius blade has 5 measuring surfaces which all refer to one inscribed measurement. The multiple cut-outs are for convenience and allow the gauge to be manipulated easily so it can fit various positioned radii. | |||
