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post #1 of 8 (permalink) Old 04-22-2012, 03:52 PM Thread Starter
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Question Back or Side dust collection

I have a dust collector box attached beneath my router table. The router, of course, is attached to a sidewinder lift which sets inside the collector box. I've read that it is recommended to port the dust out the side of the table instead of the back, supposedly due to the generated heat from the router. Does anyone know if this is truely the case? The stand is not fully enclosed.

Thanks,
j_ls
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post #2 of 8 (permalink) Old 04-22-2012, 05:42 PM
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I can't see how it would make much difference. Routers in boxes do tend to run hotter. Good that yours is not fully enclosed. A vac intake in the box would help keep fresh air moving past the router. However, keep in mind that most of the dust a router makes is above the table. You might improve your overall dust collecting by putting another pickup close to the bit.

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 #3 of 8 (permalink) Old 04-22-2012, 06:02 PM
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Jerry,
I recently added a down draft system to my router and/or router table. The box has a 4" port in the bottom where the hose to the Dust Right DC attaches. Even though as Charles said, most of the dust is created above the table, the down draft causes the majority of it to be sucked down into box and into the DC. After making a cut it is simple to sweep the dust that remains in the table into the downward flow of air and the table and more important, the floor remain free of the dust. The down draft with the port in the bottom of the box works very well for me and was suggested by Mark Mueller who is the tech for Incra Tools.

Jerry Bowen
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post #4 of 8 (permalink) Old 04-22-2012, 06:42 PM
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I was going to do the same thing but then after watching a video on router tables, I changed my mind and left it open. I have a dust collection in the fence and after weeks of routing on my table I only had a couple of tablespoons of sawdust under the router.
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post #5 of 8 (permalink) Old 04-22-2012, 06:48 PM Thread Starter
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Thanks for the input Guys. I forgot to mention that the collector box under the table has a sliding vent on one side and a 4" port on the back for dust collector hook-up. The downdraft box sys. sounds good too. Is it homemade?
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post #6 of 8 (permalink) Old 04-23-2012, 04:58 PM
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Jerry, in regard to your question about the down draft system and if it is home made. Well, it is, the box of course that is. I put a door in the front of the box to access the router, the only reason to access it through the door would be to adjust the speed of the router. The collet for changing bits is accessed from the top of the table because the router is in an Incra Mast R lift. Recently I was cutting dovetails with the Incra jig, it was the first time that I had done so with the new down draft system. I took a short piece of scrap 3/4" plywood and laid it just on the opposite side of the bit so that what little dust didn't get sucked into the down draft air flow during the cut, all I had to do was to use the scrap piece to sweep the small amount of dust back toward the router bit and into the stream of air to have it sucked down and into the DC. This made it so easy to keep things clean and sanitary during all of the cuts. The box is very simple to make and to attach under the router table and so far the system works about as good as one could expect.

Jerry Bowen
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post #7 of 8 (permalink) Old 04-24-2012, 04:07 PM
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From my experience, the router bit throws/keeps most of the chips above the table, with the work piece forcing a not-insignificant quantity of debris into the plate cutout (for the router bit). So, I believe it is important to address dust both above and below the table. Also, as the Forum points-out, the router heat build-up is an important consideration - very few router table designs have a fully-enclosed router location. My router table use is not continuous; that is, I'll run the router for perhaps 5-8 minutes at a time, with perhaps 10 minutes or so between power-ups, so I'm not too concerned with the router overheating. Since each of us uses a router to different extents - some prefer a router for dados, while others use a table/miter saw; you can cut 45 degree miters with the appropriate cutter, or do this on the Table/Miter saw (personal choice) it's impossible to have a rule for overheating the router - even the amperage draw has something to do with it. Pulling fresh air from below or from the side of a router would seem to be equally effective - I don't know enough of the dynamics here. The under-router solution would tend to pull chips down 'through' the router more than a side-mount, but I'm guessing here.
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post #8 of 8 (permalink) Old 04-30-2012, 10:36 AM Thread Starter
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The woodpecker router table set up I have is vented both above and below the table. the collector box under the table is vented as well. So, from what I gather, I shouldn't have a problem with heat build-up, as I too, do not run my router continiously for a long period.

Thanks for the good input people,
Jerry
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