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Poor Man's Cyclone Dust Separator

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Project by SimonSKL posted 1674 days ago 14878 views 11 times favorited 15 comments Add to Favorites Watch

I have a Delta 1.5hp single stage dust collector for about 5 yrs. Every time I hear a big clank coming from my impeller when I accidentally suck a metal object into the dust collector, I fear my impeller would just disintegrate. Changing bag is a hassle and messy. A dust separator will help solve both problems but I just don’t want to spend $30 plus shipping for a commercial made cyclone lid and another $20 for the trash can.

I came across an article from Woodcraft on how to build your own dust separator using 3” PVC fittings and pipe and a metal trash can. After pricing a 31 gallon metal trash can and the necessary PVC parts, I decided I could build this separator for about $30. Here it is. It works pretty good. The only negative is I can’t put too much stress on the inlet and outlet fittings because of the thin metal lid. Since it is stationary so it does not matter. Thanks for looking!

-- Simon, Danville, IL





15 comments so far

View Abbott's profile

Abbott

2570 posts in 1939 days


#1 posted 1674 days ago

That looks like it will work. I built a Thein separator and have had good results with it.

-- Ohh mann...pancakes and boobies...I'll bet that's what Heaven is like! ♣ ♣ ♣ ♣

View WistysWoodWorkingWonders's profile

WistysWoodWorkingWonders

11908 posts in 1793 days


#2 posted 1674 days ago

great dust separator you have created there.. well done…

-- New Project = New Tool... it's just the way it is, don't fight it... :)

View bigike's profile

bigike

4031 posts in 1924 days


#3 posted 1674 days ago

nice work to u and Abbott both of u have nice separators.

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

View SPalm's profile

SPalm

4793 posts in 2518 days


#4 posted 1674 days ago

Cool.
Does the can seal OK at the top? I guess you could switch to a ply top someday if you end up bending it.

Steve

-- -- I'm no rocket surgeon

View Mean_Dean's profile

Mean_Dean

1386 posts in 1783 days


#5 posted 1674 days ago

This is a very interesting concept.

So the basic principle is that the vacuum creates the suction, and the particles are sucked up at the business end of the hose, and then fall into the garbage can. So, the suction pulls the particles into the can, but the suction isn’t sufficient to pull them up from the can into the vacuum. Have I got this right?

If so, then all one needs to do, is to insert a large can in between the hose end, and the vacuum. That way, the particles could be dumped in to the yard debris container—and no bags to dispose of and replace. I think I like this idea!

-- Dean

View SimonSKL's profile

SimonSKL

182 posts in 1875 days


#6 posted 1673 days ago

Abbott, I really like your Thein separator. Great design and works great! I probably will use your design if my metal lid ever get bent.

Steve, the lid is sealed with 1/4” thick rubber foam tape to keep loss of suction to a minimum.

Dean, you are correct in how a dust separator works. The key is not to lose any efficiency or suction by adding the separator.

-- Simon, Danville, IL

View chevyman137's profile

chevyman137

51 posts in 1743 days


#7 posted 1673 days ago

i’ve been looking to do something like this. you did a great job

-- kevin from ne alabama: please lets keep the digits where they belong

View a1Jim's profile

a1Jim

112026 posts in 2213 days


#8 posted 1673 days ago

Cool idea Do you know what issue that woodcraft magazine was?

-- http://artisticwoodstudio.com Custom furniture

View ManOWood's profile

ManOWood

30 posts in 2066 days


#9 posted 1673 days ago

This is great I really need to tackle my dust issues an I will be keeping this in mind Thanks!

-- ManOWoodMan

View SimonSKL's profile

SimonSKL

182 posts in 1875 days


#10 posted 1673 days ago

Jim,
Here is the link to the Woodcraft article.

http://www.woodcraft.com/Articles/Articles.aspx?ArticleId=408&page=1

-- Simon, Danville, IL

View thelt's profile

thelt

618 posts in 2015 days


#11 posted 1672 days ago

Thanks for the link and nice job to both of you!

-- When asked what I did to make life worthwhile in my lifetime....I can respond with a great deal of pride and satisfaction, "I served a career in the United States Navy."

View Dennisgrosen's profile

Dennisgrosen

10850 posts in 1751 days


#12 posted 1671 days ago

well done

Dennis

View jbert's profile

jbert

7 posts in 1326 days


#13 posted 1248 days ago

Hi everyone,

I may be the last one to build a separator, but I did. After 2 weeks of almost daily cutting i emptied 3” of all size trash and a lot of sawdust from my bucket. My 16 gallon Rigid literally had nothing in it and the filter was still kicking out much much better air. CYCLONE——- you bet it works.

JIM

-- Jim

View thelt's profile

thelt

618 posts in 2015 days


#14 posted 1247 days ago

SimonSKL, tried that link and it locks up my browser. Can you print it to PDF and email me the article? From what I got to read of it, I want to read the rest.

-- When asked what I did to make life worthwhile in my lifetime....I can respond with a great deal of pride and satisfaction, "I served a career in the United States Navy."

View SimonSKL's profile

SimonSKL

182 posts in 1875 days


#15 posted 1247 days ago

thelt, the link is a web page and not downloadable as a PDF format. Can you try the link with a different browser?

-- Simon, Danville, IL

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