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DeWalt Compound Sliding Miter Saw Cabinet with Dust Collection

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Project by Geedubs posted 06-07-2010 02:34 PM 19762 views 6 times favorited 6 comments Add to Favorites Watch

I recently purchased a DeWalt DW717 sliding compound miter saw (new/reconditioned). I did this in order to update and condense my equipment, selling two tools (old Craftsman radial arm saw and a Craftsman compound miter saw) and replacing them with one. My immediate challenge was to build a mobile base for this saw that would be inexpensive and provide adequate dust collection.
DUST COLLECTION: Having reviewed some other postings regarding the challenges of dust collection with a sliding miter saw, I knew that the dust collection challenge would be a significant one. The DW717 comes with a dust bag connnected to a 1 1/2” fixture mounted at the rear top of the blade housing. There is a small boot at the bottom of the housing, immediately behind the blade, that ‘scoops’ a fair amount of the dust. When connected just to the bag it does a fair job. When connected to a dust collector or shop vac, it does a better job. There is still, however, a significant amount of dust that misses the ‘boot’ and head up and over the guide fences, avoiding collection. I decided to try collecting this extraneous dust by building a ‘catch basin’ behind the saw using a sheet metal wall and including a self-designed downdraft table into the miter saw cabinet. The cabinet top downdraft box has the primary holes in the back portion behind the saw and is internally constructed using 3/16” hardboard angled and sealed in a manner that directs the air down and back toward the 2 1/2” sleeve mount on the back panel (see pictures). The downdraft box and the dust collection mount are connected to 2 1/2” hose that meet at a Y connector. From there, 2 1/2” hose runs to my Craftsman 5.5 gal Shop Vac. Although I have a Steel City 1 1/2 hp dust collector, it is not easily accessible from the saw location so the Shop Vac is the current recepticle. The dust collection system works quite well using the Shop Vac and I think will work even better when I can eventually exchange the Y connector with one that transitions to a 4” that will run to the dust collector.
INEXPENSIVE CABINET: I wanted to build the cabinet ‘on the cheap’ and am an avid believer in reycling. So, I recently did some home remodeling and in order to do so had to build a temporary scaffold. I made this out of cheap plywood and 2 X 4’s. When I finished the remodel, I tore the schaffold apart and stored in. That scaffold is now most of the material that became the cabinet. In addition, I had some alder cap rail that I removed. I planed that and used it for door framing and other parts of the cabinet. The cabinet includes two sliding shelves that now house some of my table saw accessories and make them easy to access. The cabinet is mounted on 3” rubber wheels that I purchased at Harbor Freight and they work great. I stained the “A” legs of the cabinet and the door frames with Minwax English Chestnut and then finished the cabinet with linseed oil and polyurethane. So far, I am pretty happy with it.

-- Todos los dias aprendemos algo nuevo.





6 comments so far

View dmoney's profile

dmoney

191 posts in 4411 days


#1 posted 06-07-2010 02:52 PM

wow this is a great design for the dust collection. A miter saw station is on my list of projects and I will probably have to use the sheet metal w/ downdraft box idea

-- Derek, Iowa

View a1Jim's profile

a1Jim

118308 posts in 4909 days


#2 posted 06-07-2010 05:15 PM

Looks like a great design well done.

-- https://www.artisticwoodstudio.com/videos

View lilredweldingrod's profile

lilredweldingrod

2496 posts in 4438 days


#3 posted 06-07-2010 06:17 PM

Now that is a splendid idea and a very nice job.

View PflugervilleSteve's profile

PflugervilleSteve

99 posts in 4374 days


#4 posted 06-07-2010 06:45 PM

I’m building a couple of rolling storage/equipment carts for smaller equipment in my shop (planer, compound miter saw, & sharpening station). I have just about finished with the one for my planer. Having seen this, I’m definitely going to incorporate some variation of that dust collection you’ve got going for my miter saw.

Thinking about it though, I’m considering setting up a couple 2.5” & 4” bulkhead fitting w/ blast gate to each side. I can make the guts of the cabinet a modular second stage dust collector by throwing a bucket inside with a couple Y connectors for the 2.5” and 4” bulkhead fittings. With that I could run dust collection from/to 2.5 or 4” with dust collector or shop vac, whichever was more convenient. I think some sketchup time and 2nd stage dust collector research is in my future.

I’m awfully sick of the clank clunk BANG of little chunks of stuff hitting my dust collector impeller.

View Geedubs's profile

Geedubs

143 posts in 4561 days


#5 posted 06-07-2010 06:53 PM

PflugervilleSteve. What you are considering makes sense to me. I also have the concern about chips/pieces hitting the dust collector blade and will soon be pursuing a secondary system for that also. Good luck!

-- Todos los dias aprendemos algo nuevo.

View Knothead62's profile

Knothead62

2600 posts in 4292 days


#6 posted 06-09-2010 03:29 PM

Great idea and design! I have been wrestling with a miter saw and the sawdust problem. Looks like it’s been solved.

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