Grinding wheel arbor question

[EdK]

(Yesterday, 04:49 PM)rleete Wrote: Follow up question:  How tight should the bolt be holding the cup wheel?  I have steel washers on either side, backed up by cardboard (cereal box) on the wheel.  Do I crank it down, or only just tight enough to hold it?  Somewhere in the middle?

That's a good question. I think I'd do "somewhere in the middle".  

Ed