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Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Converting RA to UIN
I have a vendor who has a surface requirement of 50 micron max, he is reporting his results in 0.118 UIN. I need to report this to my customer in microns. They do not understand UIN?
Tracy McKenrickFasteners - Allentown, Pennsylvania, USA
2007
2007
Tracy,
Don't mind admitting that I am not that up on surface roughness measurements but something doesn't look right with your figures (or is it me just being a bit thick).
When you say 50 micron finish do you mean 50 microinches? 50 micrometer finish would be rougher than a badgers behind!
I would guess that µin actually stands for microinch (U for micro, IN for inch), if it is then you have something heading toward a mirror finish.
Aerospace - Yeovil, Somerset, UK
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