DownDraft table in workbench

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Project by Matt posted 09-02-2015 05:15 PM 1280 views 1 time favorited 2 comments Add to Favorites Watch

I made this downdraft table into the end of my workbench the occupies three walls in my shop (You will see when I post the shop tour). I based this idea off of Bob’s from “I like to build stuff”.

I made this out of 3/4” OSB and 1/4” luan. I made the one end deeper than the other so that the dust would slide down to the DC port at the bottom. The DC port is a 4” port, and works decent.

When I was putting the holes in, I hooked up the DC and turned it on. This initially sucked the luan down and then I drilled the holes until the luan came back up level with the bench, so I knew how much suction I could get and keep the surface level to work on. I could have had more suction, but I didn’t want the luan to be dipped in or uneven. That’s the only way I knew how to do it, and it works ok. I also added a blast gate to it so I could turn it on and off when I wasn’t using it (which is not often, as the suction isn’t the greatest).

In hind sight, this is an application that requires a “higher pressure / Low volume” system as opposed to the opposite which is what my 2 HP JET DC is. I need to really hook it up to my shop vac, but I think that I will just build one into my 4’x8’ assembly table that I will be making in the near future. That will have it’s own dedicated shop vac that I found at a garage sale for $5. :)

That’s all.

-- Matt

2 comments so far

View Combo Prof's profile

Combo Prof

3738 posts in 1512 days

#1 posted 09-04-2015 04:03 AM

I built a similar down draft table and use a Jet DC with no problems.

-- Don K, (Holland, Michigan)

View Matt's profile


45 posts in 1283 days

#2 posted 09-07-2015 03:02 AM

I do agree with that, it does work….but when testing it whilst building it, I used my shop vac. It literally sucked the wood down and almost snapped the luan until I drilled holes in it. When I hooked it up to my DC, it still works great..just not as effective.

There are no actual “problems” to speak of actually. I can’t really complain.

-- Matt

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