Reply by D_Allen

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Posted on 3600 rpm grinder - Sharpening / Buffing - Help

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495 posts in 2959 days

#1 posted 12-31-2011 08:50 PM

Happy New Year to you as well.

I have a ‘not-the-best’ bench grinder that I just could not get good results with. I tried lots of methods and jigs but it just ran too fast and vibrated too much. Below is my temporary solution. I used the motor from my vintage jointer to run the grinder at about 950 RPM. Also, I went with a 100 grit white Norton wheel.
I can put a new edge on my favorite lathe tool in 1-2 minutes. One of the problems with this cheap grinder is that the shaft is not long enough and the outer washer does not fit centered because of the shaft threads. When the washer is not centered it just adds to the vibration. I bought some better washers and it helped a lot. I plan to get an 8” slow speed wet grinder soon.

-- Website is finally up and

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