Component Serviceability
Premature wear of a surface finish should be visually checked for:
Abrasive wear;
Corrosion and oxidation;
Erosive wear;
Fretting;
Surface fatigue.
Examples
Taper - to become gradually smaller toward one end.
Wear - the continuing loss of material from the surface of a solid body.
Ovality - the difference between the maximum and minimum dimensions of the overall diameter.
The following illustration measures a crankshaft as an example.
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