DIY Dust Collector Box Design? - Router Forums
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post #1 of 16 (permalink) Old 03-14-2013, 12:32 AM Thread Starter
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Default DIY Dust Collector Box Design?

Anyone have any experience with building a dust collection system like this?

I like the design, think I could just make it myself with PVC fittings from the hardware store. Thoughts?
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post #2 of 16 (permalink) Old 03-14-2013, 01:42 AM
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Nick, a box like this will remove the largest cuttings but most of the fines will travel through to your vacuum. I think you would be better off spending the money to buy either an Onieda-Air Dust Deputy or Clear Vue Cyclone. The cyclonic action of these units will cause most of the fines to remain in your box as well as the big stuff. I am not sure how much difference using a box as opposed to a drum effects the dispersal of fines but I will check with the companies later today for their recommendations. I do know I would rather empty a 5 gallon bucket than lift a box like the one shown.
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post #3 of 16 (permalink) Old 03-14-2013, 08:02 AM
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are you putting this before or after the vacuum andy
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post #4 of 16 (permalink) Old 03-14-2013, 08:49 AM
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Hi Mike is it possible to get more info on that clear vue mini cyclone regards carl
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post #5 of 16 (permalink) Old 03-14-2013, 11:05 AM
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post #6 of 16 (permalink) Old 03-14-2013, 11:45 AM
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I have a Dust Deputy connected upstream of a Shop Vac and it works great. The filter in the Shop Vac helps reduce the fines leaving the exhaust.

Check out this comparison...
Cyclone Separator Shootout - YouTube
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post #7 of 16 (permalink) Old 03-14-2013, 12:07 PM
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i dont think this will work very good

one thing you dont do with dc seperaters is make the aid and dust go around tight bends and corners. that design is all about corners. .
i would buy a dust deputy or clear view version or build a thien baffel.
iv got a few thien baffel seperaters and they work great
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post #8 of 16 (permalink) Old 03-14-2013, 12:38 PM
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Having put together several dust collectors, I suggest you stick with the Rockler style connectors shown. They work far better and fit better than hardware store connectors. I also suggest you find a way to build the bins themselves as either drawers or lift out boxes. Either way, you'll probably want to put the in and out connectors on top so you can remove the top, lift out and dump the drawers. This bin looks like you have to pick up the whole thing to dump it out. I have also found that the incoming port needs to blast against a surface (as the picture shows) so that chips and most of the sawdust is stopped and drops down into the first bin. You could also fit a flat filter into a third and final chamber to pick up most of fine particles so very little dust goes through the vacuum or blower itself. That would make it feasible to port the exhaust outside, which I suspect might increase cfpm a bit. Dust collection is a must. Breathing in carcinogenic sawdust is a bad idea...take it from a throat cancer survivor.
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post #9 of 16 (permalink) Old 03-14-2013, 02:21 PM
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I priced fittings at my local Lowes store and by the time you get everything you would need it added up to more than the $15 US I paid for the Dust RIGHT connectors from Rockler. I have not built my collection box yet so some of the advice here should make my system more useable. My final stage is a small portable dust collector system I picked up at Harbor Freight with a dust collection bag with the standard 4" connectors.
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post #10 of 16 (permalink) Old 03-15-2013, 01:06 AM
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++ On the Rockler connectors, a round container will work much better. Add a hardboard or plywood baffle on allthread rod a couple of inches below the L's and generate some real cyclonic action.

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