Quote:
Originally Posted by Bob Mulry
If you have access to a lathe with a 4 jaw chuck you can chuck it up and zero one side of the groove and then indicate the other......
A wavy groove would show up pretty fast............
Or...
You could use a surface plate and a height indicator on both sides of the groove......
And a plus would be that YOU knew for sure....
Just a thought from an old machinist guy,
Bob
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Too high tech for me ,Big Guy
I'd take a black felt tipped marker and color in the groove. Put the ring on and
squeeze it and spin it around a little by hand. You should see what's going on.