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Forum topic by tbreland posted 07-29-2010 08:15 PM 1356 views 0 times favorited 1 reply Add to Favorites Watch
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tbreland

60 posts in 1970 days


07-29-2010 08:15 PM

Topic tags/keywords: question grinder speed control

Has anyone ever tried to DIY a slow speed grinder? I have an antique B&D benchtop. Would it be possible to hook it to one of those router speed controllers? Or have I taken leave of my good senses. I was just wondering if anybody had tried, or knew of such. Seems a shame to buy another grinder when there’s one just sitting there.

-- Come down off the cross, we can use the wood. -Tom Waits


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Rick

6752 posts in 1752 days


#1 posted 07-30-2010 09:50 PM

A LONG time ago I made a Speed Control for an older 1/2” Drill I had. I still use it today for other Tools and Electrical equipment. Brushes or Brushless.

Basically it’s a Rotary Light Dimmer Switch hooked up in Reverse.

The Power Cord that you plug into a Regular Duplex Outlet runs from there to, and is wired into the Dimmer Switch. It’s mounted in a Double Electrical Box beside a Regular Wall Type Duplex Outlet. That Outlet is Powered by and wired to the Dimmer Switch. The Double Box is Screwed to a piece of 3/4” Pine. It’s Portable and sits flat wherever you want to use it. (Still with me?..LOL..)

SUMMARY: Plug it in, that activates the Dimmer. Plug the other “Tool” into the Duplex Outlet. Turn on the “Tool”. Turn the Dimmer switch until you’ve reached whatever speed you require for the “Tool”.

NOTE: I try not to run the “Tool” for an extended period of time. I think I read somewhere that doing that might Harm the “Tool” Motor as it’s not Drawing or Running at Full Capacity. Howeverover. Having used it over a period of Eight Years it hasn’t caused me any problems.

Rick

-- If there was any Logic in this world .... it would be Men riding Side Saddle, Not Women!

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