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frankie
10-31-2013, 08:55 PM
Is it possible to distinguish a diamond grinding wheel from a CBN grinding wheel by sight alone? If so what should I look for there are no markings on the wheel in question. thanks in advance.

frankie

Boucher
10-31-2013, 10:52 PM
Not a very good photo but this is a CBN wheel with two working surfaces on an aluminum hub.
http://i109.photobucket.com/albums/n50/boucherbyron/IMG_0267Small.jpg (http://s109.photobucket.com/user/boucherbyron/media/IMG_0267Small.jpg.html)
the CBN looks like a rubber similar to a cratex grinding wheel. The Diamond wheel looks like a granular metal surface.

Doozer
10-31-2013, 11:23 PM
I have also found the need to grind clearance for the
18mm wrench to tighten the compound bolts on a
Nardini I once had.

--Doozer