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topic 11518

Surface finish measurement - spherical


I am looking for a good utility way of measuring surface finish on an 1/8" ball. Looking more towards a rougher surface than most ball bearings. Also a method to measure shape or out of round would be good too. Thanks

David Newman
- Chicago, Illinois, USA



Roughness can be measured on precision instruments like Talysurf Manufactured by Rank Taylor Hobson, UK or Surftest of Mitutoyo . Similarly, Roundness can be measured on precision instruments like Talyrond Manufactured by Rank Taylor Hobson , UK or Roundtest of Mitutoyo. Alternatively, to check Sphericity , Keep the ball on a Solid V Block, Keep the dial over the maximum point of the ball. Rotate it.The Total Indicated Reading will be Sphericity.


- Chennai, India

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