What type of speed control device to use? - Router Forums
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post #1 of 13 (permalink) Old 04-18-2015, 10:41 AM Thread Starter
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Default What type of speed control device to use?

I have seen several speed control devices advertised for routers and they all mostly say to use them with a single speed router.
Does any one with motor savvy know if a router speed control unit can be used with a single speed angle grinder???
Both are brush type motors and both are under 15 amps.
Most angle grinders are single speed with the exception of one Makita model and it is way overpriced.

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post #2 of 13 (permalink) Old 04-18-2015, 11:01 AM
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As long as it does not have some kind or torque or load\speed control internal to the unit, you should be able to use an external controller.


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post #3 of 13 (permalink) Old 04-18-2015, 11:41 AM
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They also have to be a universal type motor if I remember correctly. They don't work with induction or capacitor start motors but I think the majority of hand power tools have universal motors.

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post #4 of 13 (permalink) Old 04-18-2015, 09:05 PM
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Yes, you can. The Harbor freight speed control is a good one and a lot less money than the others.

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Using a couple of old Craftsman routers & a Bosch 1617EVSPK & a Dewalt DWP611PK Routers in SW Louisiana.
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post #5 of 13 (permalink) Old 04-19-2015, 01:22 AM Thread Starter
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Thanks for the replies. Seems like it should work...

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post #6 of 13 (permalink) Old 04-19-2015, 08:12 AM
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Greg... have you looked into pneumatic tools?

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post #7 of 13 (permalink) Old 04-19-2015, 11:53 AM Thread Starter
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Originally Posted by TwoSkies57 View Post
Greg... have you looked into pneumatic tools?
Bill...
I've looked into some pneumatic tools but the rpm's still seem to be much higher than what I need. I want to get the rpm speed somewhere in the vicinity of 1000 to 1200. Most I have checked into far exceed that speed.
I have a 5hp compressor with a 80 gallon tank that I use for sandblasting...so the air output is sufficient for most tools.

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post #8 of 13 (permalink) Old 04-19-2015, 07:05 PM
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Greg... well, you certainly got the tank and compressor to handle just about anything. A while back I need to "sculpt/shape" a rocker I was building. I picked up several Saburr Tooth burrs and grinding wheel. Saburr-Tooth :: Carbide Coated Rotary Tools Picked up two smallish CP pneumatic grinders to use with the burrs and wheel. I had a pretty lengthy conversation at the time with the guy I bought them off of. One of topics was speed and speed control. I ended up buying a couple pneumatic grinders that I could pretty
much control the speed with the trigger. Worked exceptionally well for what I needed, but for you and the extended periods of run time, perhaps not the ticket. He said that there was a air regulator that ran about 20 bucks (if i recall correctly) that mounted to the inlet of the grinder. Basically a very small ball valve type setup. About the size of a female hole connector. Thumb and forefinger adjustment regulated the amount of restriction, thereby the speed. Since having picked this stuff up, I've played around with shaping and sculpting from time to time and find these burrs and wheels to be an excellent choice based on my very limited experience. The finish left behind by the burrs/wheels is course to moderately smooth depending on the burr. The more I use them, the better finish I get, or at least get to know what to expect of them. Controlling of the burrs isn't a problem at all. They dont' bite or grab. They do throw alot of sawdust around. Its not really sawdust in the sense of sandpaper sawdust, more like very fine
chips. When I first saw sculpted boxes, these burrs were the first thing that came to mind.

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post #9 of 13 (permalink) Old 04-20-2015, 10:44 AM Thread Starter
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Quote:
Originally Posted by TwoSkies57 View Post
Greg... well, you certainly got the tank and compressor to handle just about anything. A while back I need to "sculpt/shape" a rocker I was building. I picked up several Saburr Tooth burrs and grinding wheel. Saburr-Tooth :: Carbide Coated Rotary Tools Picked up two smallish CP pneumatic grinders to use with the burrs and wheel. I had a pretty lengthy conversation at the time with the guy I bought them off of. One of topics was speed and speed control. I ended up buying a couple pneumatic grinders that I could pretty
much control the speed with the trigger. Worked exceptionally well for what I needed, but for you and the extended periods of run time, perhaps not the ticket. He said that there was a air regulator that ran about 20 bucks (if i recall correctly) that mounted to the inlet of the grinder. Basically a very small ball valve type setup. About the size of a female hole connector. Thumb and forefinger adjustment regulated the amount of restriction, thereby the speed. Since having picked this stuff up, I've played around with shaping and sculpting from time to time and find these burrs and wheels to be an excellent choice based on my very limited experience. The finish left behind by the burrs/wheels is course to moderately smooth depending on the burr. The more I use them, the better finish I get, or at least get to know what to expect of them. Controlling of the burrs isn't a problem at all. They dont' bite or grab. They do throw alot of sawdust around. Its not really sawdust in the sense of sandpaper sawdust, more like very fine
chips. When I first saw sculpted boxes, these burrs were the first thing that came to mind.

If a regulator reduces the speed down far enough it might be good if it does not reduce the torque. Sometimes when I sculpt it can be for a lot of hours on end and I also have to consider the noise and power consumption of a large compressor compared to an angle grinder...However, if it is a significant improvement then it is worth it.

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post #10 of 13 (permalink) Old 04-20-2015, 01:46 PM
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That is where compressors usually lose the battle. They just are not very efficient.

Don't get me wrong, I would never give mine up but they have their place.


Just remember what my father always said, " Half the people in this world are below average!", and everything in life will make a hellova lot more sense.
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