A really bad idea - Router Forums
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post #1 of 15 (permalink) Old 12-28-2011, 12:21 PM Thread Starter
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Default A really bad idea

Guys,
have any of you seen or heard of anyone using more than 1 router in a table at a time.
I was thinking that if it were set up properly you could perform 2 steps in one pass along a long(ish) fence. Or perhaps a horizontal router could be teamed with a standard vertical. (this seems dangerous to me)

I wonder if the two motors would set up weird vibration harmonics. I also wonder if it is at all safe.

This is more of a theoretical question then one of practicality. That said, I can see how it might save time.

Any thoughts?

Last edited by theexpozay; 12-28-2011 at 01:04 PM.
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post #2 of 15 (permalink) Old 12-28-2011, 01:01 PM
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Ok here's a guess at it. The 2nd router would have to be adjustable as in being able to slide forward and back. You would use one long fence.. adjust the 1st router bit and the fence for the 1st cut of the wood. Then you would leave the fence in its place and adjust the 2nd router/plate forward or back so that its bit makes its cut on the wood...

. works on paper? Even if it did work like that I wouldn't try it or bother with it as the time spent setting it up would be longer and more unsafe than making two seperate cuts with two seperate bits on a normal router table.

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post #3 of 15 (permalink) Old 12-28-2011, 03:57 PM
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Not sure about the harmonics aspect but I could see a setup similar to a G9933 Three Spindle Shaper being useful if production needs merit putting one together.
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post #4 of 15 (permalink) Old 12-28-2011, 04:49 PM
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Tom,

I think there was a similar 3 router table set up posted on here a long time ago. It was set up for cabinet door making, if I recall, so you didn't have to keep setting up each bit.

Couldn't find it with a quick search.

I think it's probably a better idea to do each cut separately, less chance for errors and injury.

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post #5 of 15 (permalink) Old 12-28-2011, 05:23 PM
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While it is not common to set up two routers in a table it is not unheard of. BJ(BobJ3) is in the process of building a two router set up right now. Marco, you have to think outside the box with twin routers. There is no need to adjust the second router... you adjust the fence so it aligns with both routers. The table Doug is refering to was a triangle with three router stations set up for three different tasks on one table.

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post #6 of 15 (permalink) Old 12-28-2011, 08:33 PM
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Quote:
Originally Posted by Mike View Post
While it is not common to set up two routers in a table it is not unheard of. BJ(BobJ3) is in the process of building a two router set up right now. Marco, you have to think outside the box with twin routers. There is no need to adjust the second router... you adjust the fence so it aligns with both routers. The table Doug is refering to was a triangle with three router stations set up for three different tasks on one table.
Gotcha Mike ........... I like the three router station (triangle) set up and it makes a lot of sense for it and for its space saving build.... Plus it give one a reason to buy another router! I still wouldn't want to use one fence with 2 routers. I would rather have 2 tables and make 2 cuts.

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post #7 of 15 (permalink) Old 12-29-2011, 11:39 AM Thread Starter
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Quote:
Originally Posted by Mike View Post
While it is not common to set up two routers in a table it is not unheard of. BJ(BobJ3) is in the process of building a two router set up right now. Marco, you have to think outside the box with twin routers. There is no need to adjust the second router... you adjust the fence so it aligns with both routers. The table Doug is referring to was a triangle with three router stations set up for three different tasks on one table.
Oh cool, I hope BJ posts some photos.

nudge nudge, wink wink
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post #8 of 15 (permalink) Old 12-29-2011, 07:00 PM
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Hi Guys

Iíve thought about this for doing bead and cove strips for a strip built canoe. I never got further than thinking about it thou. A thought that came to mind is with both routers mounted under the table the second one, the one on the left would be cutting in the wrong direction which with small strips would be trying to pull the work through. Having read lots about router skies on this forum it would be possible to mount one above. Worth thinking about if you were doing lots like for a canoe. Just thinking?
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post #9 of 15 (permalink) Old 12-29-2011, 11:10 PM
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One of the main factors in operating equipment safely is being able to stay focused on where your hands are in relation to a spinning blade or bit. Staying focused on where your hands are in relation to 2 spinning blades or bits is quite a bit harder. Unless the person is confident that he/she can stay that focused-or- be able to overcome those problems with push blocks, featherboards, etc, then I would say stick to one operation at a time.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #10 of 15 (permalink) Old 12-29-2011, 11:44 PM
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Here is an example of a dual router set up that can do just about anything. It is called the Ten Fingers Router Table. This one had a PC 7518 mounted under the table and a Hitachi M12 mounted above. A member of one of the Michigan woodworking clubs had this for sale and a forum member bought it after I posted photos of it.
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