Dust collector for Dewalt SCMS

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Project by ldl posted 11-25-2012 09:15 PM 8958 views 8 times favorited 8 comments Add to Favorites Watch

I recently replaced my DW705 CMS with a DWS780 SCMS. The dust collector I built for the 705 was to small for the 780. I have several sheets of used plywood so I started out from scratch making a new one. I used one of the bigmouth collectors in the bottom that, right now, dumps into a 1/2 plastic 55gl drum. The outlet of the bigmouth can be connected to a DC if needed. The outlet for the dust chute is at the rear of the sliding tubes so I had to go past it a couple inches to keep it from pluggin up. Because of the sliding tubes it ended up being a pretty big collector. It doesn’t get all the fine dust but it gets most of the chips. If I had the DC hooked up it would probably do better on the fine dust. Just completed it couple of days ago.

-- Dewayne in Bainbridge, Ga. - - No one can make you mad. Only you decide when you get mad - -

8 comments so far

View Jim Jakosh's profile

Jim Jakosh

27794 posts in 4595 days

#1 posted 11-26-2012 01:05 AM

Nice dust collector…..................Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View HillbillyShooter's profile


5811 posts in 3782 days

#2 posted 11-26-2012 02:30 AM

Nice job. I’m thinking about building something similar for my radial arm saw—this should help get me motivated. Thanks for posting.

-- John C. -- "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth." George Washington

View jg15's profile


14 posts in 3988 days

#3 posted 11-26-2012 04:47 AM

nice set up I want to make something like that for my saw

-- jg

View thedude50's profile


3613 posts in 3968 days

#4 posted 11-26-2012 07:22 AM

Nice saw I just got one just like it I went with the Reseau 5000 dust collection hood it is easy to move around and was not very expensive I have used it on my older saw too but it works better mounting wise on this saw .

-- Please check out my new stores and

View bluekingfisher's profile


1333 posts in 4469 days

#5 posted 11-26-2012 12:19 PM

Nice job, having just built one myself (just posted) I realise how fiddly it can be to accomodate all actions of the saw, swing angle, compound cuts and the swivel and up and down action of the saw.

Hope it works for you.


-- No one plans to fail, they just, just fail to plan

View JLJones's profile


228 posts in 3742 days

#6 posted 11-26-2012 05:03 PM

Very nice! I need to build one for mine as well…

-- "Keep thy airspeed up, lest the earth come from below and smite thee." - William Kershner

View ldl's profile


1135 posts in 3855 days

#7 posted 11-27-2012 04:08 AM

Thanks for the comments. It is still a werk in progress.

David because of the sliding tube I had to make it this size. There is some tweaking I’m sure I will have to do but for now it is better than what I had. I am thinking maybe a flexible cover on the front side but haven’t used enough since I built it to really try anything diff.

Dude I hadn’t heard of this unit but it looks interesting. I was trying to stay with reclaimed wood here.

-- Dewayne in Bainbridge, Ga. - - No one can make you mad. Only you decide when you get mad - -

View ldl's profile


1135 posts in 3855 days

#8 posted 02-17-2013 11:12 PM

A few of pic to show how it werks.

Sawdust builds up and falls through the big mouth collector built into bottom.

Then it falls into the plastic drum underneath. I could hook up a hose to the DC but most of the cuts I make are quick cuts so DC wouldn’t have time to get up to speed before cut is through.

Still need to do a little tweaking around the edges as a small amount escapes when making angle cuts though I don’t make many angle cuts anyway

-- Dewayne in Bainbridge, Ga. - - No one can make you mad. Only you decide when you get mad - -

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