Contamination within the ferrule bore is preventing the ferrule from sliding freely within the bore: This mainly applies to connector polishing (as opposed to ferrule-only polishing) where the connector’s spring force is relied on to present equal downward pressure to the ferrules during polishing.
The ferrules in a connector fiber optic polishing fixture must be able to piston up-and-down freely in the fixture. If contamination of the ferrule bore holds the ferrule too tightly, this may “lock up” the ferrules or prevent them from pistoning consistently / smoothly within the bore during polishing. This, in turn, will result in different pressures being applied to the end-faces during polishing—–which creates variation in Radius values, FH values, and fiber end-face polish quality (scratches).
Additional resources from the FOC team include:
- Glossary, Acronyms, Military Specifications for Connectors: http://bit.ly/2a2EFn8
- Q&A Resource: email technical questions to AskFOC@focenter.com
- Contact FOC with questions at: (800) 473-4237 / 508-992-6464 or email: email@example.com
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