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Materials Matter : Roughness Measurement: Optical vs. Contact Stylus Profilometry

Roughness measurement: Optical vs. contact stylus profilometry

Optical profilometry will become an important tool for predicting gear performance with more research and development of an objective lens to fit into tooth spaces.

To date, I have written several articles on contact stylus profilometry. This roughness measurement technique, when applied to gear flanks, is repeatable and reproducible if the ISO Standards are followed. This is the dominant method of flank roughness measurement currently in the gear industry. The…


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