My Thein separator

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Project by sval229 posted 06-19-2019 07:20 PM 2273 views 8 times favorited 5 comments Add to Favorites Watch

I’ve always had a simple 2 stage separator made up and never had a problem as long as I was milling oak, walnut, or cherry. I started using a lot of pine and found more chips in my dust collector’s bag than in the can. I guess it’s because the chips are much lighter in weight and float too much in the air stream. This seems to work much better as the chips and shavings don’t get pulled up in the stream. All 3/4 ply, 3/32 plexiglass, a dowel, and a set of Dust Rite 4” fittings from Rockler that I sawed off the bent part of the fittings.

5 comments so far

View therealSteveN's profile


9987 posts in 2033 days

#1 posted 06-20-2019 02:33 AM

So is the pine now going into the can?

I think the most common complaint about a Thein is once the can starts getting full, they quit working, or at least as well. BUT, they are all in the can, with it sitting above the can are you able to fill the can, so to speak?

Are you hiding the Rockler part? Is a set of fittings the in, and out ports?

-- Think safe, be safe

View sval229's profile


94 posts in 5001 days

#2 posted 06-20-2019 02:52 AM

The Rockler part is their Dust Rite 4” separator components. (see link) I just cut off the “j” part and still used what was left to fasten the fittings together. I was using them for my old 2 stage and they worked fine before the pine.

The pine chips are staying in the trash can and I haven’t tried filling it up, but I’ve emptied it after more than half way and collection has been good.

View MasterSergeant's profile


1441 posts in 4147 days

#3 posted 06-20-2019 12:01 PM

Nice build! Closely resembles the separator Matthias build some years back. Hope you get the separation problem resolved!!

-- Kelly, woodworker under construction

View htl's profile


5624 posts in 2618 days

#4 posted 06-20-2019 07:21 PM

Great project and love the window so you know what’s going on and just cool to be able it watch it do it’s thing!!!

-- An Index Of My Model making Blogs

View rackjabbit's profile


53 posts in 3366 days

#5 posted 06-20-2019 10:50 PM

made one years ago and it has been great! i think one of the best designs out there.

-- Once the dust settles, breath and behold the beauty of the wood.

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