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Thread: Bench Grinder Conversion

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  1. #15
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    Harbor Freight makes a variable speed controller for a router tool. However that being said; A dimmer switch, potientiometers, router type speed controls only work with universal, brush type motors. A grinder, if memory serves, use an induction motor.
    So, yes these will work; but at your or my risk.

    The best is a variable frequency drive but by then you might as well just purchase the variable speed grinder/polisher.

    Last edited by shikano53; 01-10-2016 at 12:02 AM.

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