Router rotation questions??? help - Router Forums
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post #1 of 47 (permalink) Old 07-19-2017, 08:09 AM Thread Starter
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Default Router rotation questions??? help

Hey guys, im building a belt sander for racing and im using 2 Porter-Cable 690lr 1 3/4 hp routers to power it. in my build, i need to make one of my 2 routers rotate clock wise as opposed to the factory counter clockwise. the router has 3 wires going into it, a Green that grounds straight to the case, and a White and Black that goes into the coils.

i wanted to just switch the spring leads on the contacts and see if that worked, but the set screws have lock tight and i cant get them off. i tried switching the White and Black wires, and it still rotates in the same direction... Can any one help me figure out how to make this thing spin the other way??

I have a race this Saturday and really want to have it ready to run!!
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post #2 of 47 (permalink) Old 07-19-2017, 09:00 AM
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Since when did belt sander racing become a thing


In woodworking there is always more then one way to accomplish something.
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post #3 of 47 (permalink) Old 07-19-2017, 09:06 AM
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Has this ever been done before? If so ask your racing buddies how they do it because I don't have a clue.

Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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post #4 of 47 (permalink) Old 07-19-2017, 09:19 AM Thread Starter
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Since when did belt sander racing become a thing


In woodworking there is always more then one way to accomplish something.
from what I understand its been a ting since the 60's
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post #5 of 47 (permalink) Old 07-19-2017, 09:19 AM
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Welcome N/a. Please update your Account Settings (upper right below your login) so we will know more about you,

To reverse the rotation of the router, you will need to change the wiring inside the router in order to do this. Nothing at the power cord point will work for doing this. Probably swapping the wiring to the brushes will be the easiest to get to. The polarity of the armature with respect to the field coil needs to be opposite from what it is. Swap either the armaturs (brushes) or the field wiring and it should reverse.

Don't leave it this way after you finish with your belt sander project or you may ruin some prospective woodworker's day.

Charley
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Last edited by CharleyL; 07-19-2017 at 09:28 AM.
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post #6 of 47 (permalink) Old 07-19-2017, 09:21 AM Thread Starter
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Has this ever been done before? If so ask your racing buddies how they do it because I don't have a clue.

I would but they all use one router, I'm the only one I know of that will be using 2. So none of them know 😐
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post #7 of 47 (permalink) Old 07-19-2017, 09:29 AM
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I had to check it out on YouTube. I guess it is a thing.


In woodworking there is always more then one way to accomplish something.
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post #8 of 47 (permalink) Old 07-19-2017, 09:34 AM Thread Starter
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Welcome N/a. Please update your Account Settings (upper right below your login) so we will know more about you,

To reverse the rotation of the router, you will need to change the wiring inside the router in order to do this. Nothing at the power cord point will work for doing this. Probably swapping the wiring to the brushes will be the easiest to get to. The polarity of the armature with respect to the field coil needs to be opposite from what it is. Swap either the armaturs (brushes) or the field wiring and it should reverse.

Don't leave it this way after you finish with your belt sander project or you may ruin some prospective woodworker's day.

Charley
Thinks I wanted to do that first but the set screws that hold the brass case for the brush has lock tight on them and a cant brake them loose. I can try and cut the wires and swap them that way, but there's not much length to the wires. And these routers will never be used for anything else besides powering my racer. Ill post some photos tonight
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post #9 of 47 (permalink) Old 07-19-2017, 10:35 AM
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Using routers in a belt sander race sounds like the current uproar over Olympic transgender competition...
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post #10 of 47 (permalink) Old 07-19-2017, 10:42 AM
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Quote:
Originally Posted by nokool View Post
Thinks I wanted to do that first but the set screws that hold the brass case for the brush has lock tight on them and a cant brake them loose. I can try and cut the wires and swap them that way, but there's not much length to the wires. And these routers will never be used for anything else besides powering my racer. Ill post some photos tonight
You could change direction if you geardrive off the router shaft.
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