I came in possession of an old Cuisinart food processor motor. The first thing I thought of was 'can I use this to make a tool sharpener, with the stone running horizontal?' Anyone have any experience or thoughts on this?
If you're using the gear reduction, the speed should be close to what most ~6" wheels would work at. Running the motor alone you would need a fairly small stone or it could fail.
The question I have to ask is "WHY?"
Those things spin at more than 12,000 RPMs
I wouldn't want to be in the same room with it if it was spinning a stone any larger than 1/4" diameter.
Better re-purposed as a router, maybe.
Good point, Crank49. I didn't see how fast it spun - I'll make sure. I don't have the $200 to lay out for one of the sharpeners, and the motor was so quiet. Looked like a fit. Thanks for the warnings and advice everyone.
Harbor Freight sells a speed control for a router for about $16. It will work just fine with your processor motor.
Drop it down to lowest speed, and if you have to add a power resistor in between the controller and the motor. Adapt a mandrel holder, or even a jacobs type chuck off an old drill motor, Either find a 3" or 4" sanding disk and go to town, or do what I did, make your own sanding disk with MDO and use glue on 6" sheets. If I need wet - dry, I use 3M #77 spray adhesive on automotive sand paper to make it stick.
Good luck, with your endeavor….. read my tag line.
Not sure what kind of $200 sharpener you're looking for, but you'll end up with something closer to a $60 bench grinder if you're planning on using a high speed universal motor from a food processor.
Thanks for the info, Dallas. I'll post another entry when I rig this up. MDF is a great idea.
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