Re: [mill_drill] Re: new article available: An Experimental Way toStatically Balance a Bench Grinder
Good point about the shaft. I'll add it to the article.
> Rick, there is something else that needs to checked... the shaft. I
> had a cheap 8" grinder I got off of one of those traveling tool trucks,
> and no matter what I did, I could never get it to balance.
> I took the wheels off, and found that they weren't even the same
> thickness all around. I threw them away, and bought some good ones, but
> I still couldn't get it to run smooth, so I started measuring the
> grinder itself.
> The shaft measured fairly round on both sides, when using a micrometer,
> but when I measured to see how concentric the bearings were, they were
> out so far, that my DTI couldn't measure them. My dial indicator showed
> that the shaft wobbled over .100" on one side, and nearly .060" on the
> After that, I looked around, and found a nice 10" Wilton, for a price I
> couldn't refuse, that runs really, really smooth. Now, the 8" one is in
> the scrap pile, awaiting resurrection.
> Ne M'oubliez ---Family Motto
> Hope for the best, plan for the worst ---Personal Motto