Frank, after seeing a few ďexploding wheelĒ videos during my tenure as a machinist, I would replace it immediately. Granted, it isnít spinning as fast as a regular grinding wheel but if & when it does come apart, it isnít going to simply fall off the arbor, itís going to go flying. Donít take that risk.
"I am enclosing two tickets to the first night of my new play; bring a
friend...if you have one."
--George Bernard Shaw to Winston Churchill
"Cannot possibly attend first night, will attend second..if there is
--Winston Churchill, in response