LumberJocks

Dust Separator, Compact Thien variation

  • Advertise with us
Project by Garry posted 111 days ago 2188 views 19 times favorited 11 comments Add to Favorites Watch

I wanted a very compact dust separator that would fit within a vertical space of 21.5 inches under my workbench. I came up with a variation on the Thien separator that pulls the air down from the cyclone chamber and then out the side. I also needed it to work with my Ridgid WD4522 “tool box” vacuum (5 hp peak and 107 cfm). The overall size is 17” square by 21.5” tall using 2” PVC pipe for the air ducts.

I built an integral air manifold with a curved baffle to guide the air into the cyclone chamber with minimum turbulence. The clear acrylic forming the cyclone chamber extends down into the slot so there is no seam or step at the bottom of the chamber. A heat gun helps to relieve some of the stress in the acrylic but be careful not to overdo it.

The dust separator seems to work extremely well. I’ve used it for over a week cleaning up with the vacuum hose and taking exhaust from the table saw. The dust piles up more in the corners but there’s about 4-5 inches average depth in the pull out dust bin and no additional dust in the vacuum. I cleaned the vacuum spotless and replaced the filter, so next time I can tell exactly how much dust got by.

-- Garry, North Carolina woodworker and engineer - The journey you're preparing for has already begun.





11 comments so far

View bd187's profile

bd187

32 posts in 365 days


#1 posted 111 days ago

Dude. That’s awesome. How exactly did you form the acrylic tub. Is it one peice or is it spliced. Been considering building a thien baffle myself.

-- Never bite the hand that feeds you, but always watch the hand that's cooking.

View Garry's profile

Garry

96 posts in 216 days


#2 posted 111 days ago

The acrylic was cut 4.5” wide and about 54(?)” long. It was flexible enough to bend into place with a little effort. After it was in place I heated it carefully with a heat gun to partly relax it into shape and relieve some stress. (I had to replace the first one when I tried to pull it into shape with a screw.) You have to be careful not to overheat one spot so it takes all the bend there and the nearby sections try to straighten out.

-- Garry, North Carolina woodworker and engineer - The journey you're preparing for has already begun.

View kiefer's profile

kiefer

2785 posts in 1168 days


#3 posted 111 days ago

That is one super looking unit and I love the manifold attached to it .

-- Kiefer 松

View Mainiac Matt 's profile

Mainiac Matt

3478 posts in 829 days


#4 posted 111 days ago

Neat design concept….

How thick Is the Acrylic?

-- Pine is fine, but Oak's no joke!

View exelectrician's profile

exelectrician

1356 posts in 928 days


#5 posted 111 days ago

Garry you certainly know how to think outside the box – Looks like a home run to me, well done

-- Love thy neighbour as thyself

View exelectrician's profile

exelectrician

1356 posts in 928 days


#6 posted 111 days ago

G

-- Love thy neighbour as thyself

View Gianni's profile

Gianni

104 posts in 475 days


#7 posted 110 days ago

This is extraordinary. I made mine from a pair of old 5 gallon buckets, and it is significantly lacking in curb appeal (and stability when empty). The puck at the top of the pipe is an interesting addition, it has me thinking i should add one to mine, which works very well for shavings and chips, but doesn’t spin out sanding dust very well. Inverting it like you did also probably makes a big difference.

Please post back on results, especially with fine sanding dust.

View kaerlighedsbamsen's profile

kaerlighedsbamsen

340 posts in 214 days


#8 posted 110 days ago

That has to be the coolest looking dust separator i have seen. Small, elegant and simple. Werry inspiring.
Looking forward to report on the fine dust!

-- "Do or Do not. There is no try." - Yoda

View Sk1pp3r's profile

Sk1pp3r

52 posts in 274 days


#9 posted 110 days ago

Awesome, I’ve been looking to make one of these. Love the small concept and design.

View Garry's profile

Garry

96 posts in 216 days


#10 posted 109 days ago

The acrylic is the typical stuff from the big box store; nominal 1/8”, calipers measure it at 0.110”.

-- Garry, North Carolina woodworker and engineer - The journey you're preparing for has already begun.

View Garry's profile

Garry

96 posts in 216 days


#11 posted 109 days ago

See my blog for a crude test of the dust separator effectiveness. It worked out to 90% for heavy loading but I think it’s probably much more effective under normal loading. More later.

-- Garry, North Carolina woodworker and engineer - The journey you're preparing for has already begun.

Have your say...

You must be signed in to post the comments.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics

HomeRefurbers.com

Latest Projects | Latest Blog Entries | Latest Forum Topics

GardenTenders.com :: gardening showcase