Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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RMS to emery equivalency (275 rms)
I have a customer requesting a 275 rms finish. Can anybody tell me what the approx. emery grit equivalency would be.
These parts are for mail sorting machines and he needs a gritted surface to get a better grip on the envelopes. He has been using a plasma spray system in the past but bond strength has been an issue.
Robert Freyvogeltextured carbide coatings - Butler, Pennsylvania, USA
2004
WOW! Are you sure that this is an RMS spec? I'm not even sure that a metal file is that rough? Suggest you find out where your customer got this info. Sounds like what that use on aircraft carrier landing decks.
AF Kenton
retired business owner - Hatboro, Pennsylvania
2004
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