J Phil Thien's Cyclone...? - Router Forums
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post #1 of 23 (permalink) Old 02-02-2013, 08:02 AM Thread Starter
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Default J Phil Thien's Cyclone...?

I read through the Dust Collection sticky and am convinced I need more than a shop vac (even with the little I do with wood). It seems a good "picker-uper" is necessary no matter what.

Does anybody on this forum have any experiences with his design...? I like the idea of a cyclone action in a collection vessel and have used something like this when I sand the bottom of my boat. My experiences are only with putting a 5-gal can in line with some water in it to capture the bottom paint dust before getting in the shop vac. This has worked but I can see Thien's design being better...or something like it...

Your thoughts, please...and thanks in advance...

Nick
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post #2 of 23 (permalink) Old 02-03-2013, 07:38 AM
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I build one several years ago but only use it in conjunction with my Dewalt 735 planer. It works fine the only problem is that the dust comes out where the top meets the can. I have it held down with two bungee cords but the dust still comes out.
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post #3 of 23 (permalink) Old 02-03-2013, 07:55 AM
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Nick,

This is an often spoken of topic. Send a PM to "allthunbs" - he is extremely knowledgeable about dust collection. You can locate him quite easily, as he's at the alphabetical top of my "friends list". I am actually working on some designs for him here in my shop. The pulmonary long-term affects of breathing dust are atrocious.

Otis Guillebeau from Auburn, Georgia

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post #4 of 23 (permalink) Old 05-17-2013, 10:37 AM
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I just built a two stage dust collector using the Thien separator. I used a 2hp HF dust collector and a Wynn .5 micron filter. The strongest thing I can say is 'incredible'. I have a table saw, band saw, and planer that have 4" dust ports. I built the dust collector on wheels with a 10' hose. I just move it where I need it, hook up the hose and go to work.

The Thien separator is built under the lid of a 30 gallon galvanized garbage can. I have only a 1/4" foam weather seal strip attached under the lid, but no leakage. I have emptied the garbage can twice and still have no sawdust in the clear poly bag under the Wynn filter.

More importantly, no fine dust layer on anything in the shop.
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post #5 of 23 (permalink) Old 05-17-2013, 10:43 AM
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Hi Frank Welcome to the forum. It sounds like a real nice setup you've put together.
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post #6 of 23 (permalink) Old 05-17-2013, 02:58 PM
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Quote:
Originally Posted by OldGuy54 View Post
I just built a two stage dust collector using the Thien separator. I used a 2hp HF dust collector and a Wynn .5 micron filter. The strongest thing I can say is 'incredible'. I have a table saw, band saw, and planer that have 4" dust ports. I built the dust collector on wheels with a 10' hose. I just move it where I need it, hook up the hose and go to work.

The Thien separator is built under the lid of a 30 gallon galvanized garbage can. I have only a 1/4" foam weather seal strip attached under the lid, but no leakage. I have emptied the garbage can twice and still have no sawdust in the clear poly bag under the Wynn filter.

More importantly, no fine dust layer on anything in the shop.
Do you have more information on how you built yours?
Thanks
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post #7 of 23 (permalink) Old 05-17-2013, 09:10 PM
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Quote:
Originally Posted by Nickp View Post
I read through the Dust Collection sticky and am convinced I need more than a shop vac (even with the little I do with wood). It seems a good "picker-uper" is necessary no matter what.

Does anybody on this forum have any experiences with his design...? I like the idea of a cyclone action in a collection vessel and have used something like this when I sand the bottom of my boat. My experiences are only with putting a 5-gal can in line with some water in it to capture the bottom paint dust before getting in the shop vac. This has worked but I can see Thien's design being better...or something like it...

Your thoughts, please...and thanks in advance...

Nick
I built one a few months ago and posted some info about it with photos. I'm a woodworker rookie but got it done and it works very well. You can see what I did here.
http://www.routerforums.com/project-...separator.html

Mike
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post #8 of 23 (permalink) Old 06-04-2013, 05:37 AM
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Default shop vacs

About a year ago I managed to pick up a Ridgid WD1450, 168 cfm shop vac. I put it on my LeeValley Tools cyclone lid and it worked a charm. However, at some point it was running too long and it got hot without my noticing and I burned out the armature. Just yesterday, I installed a brand new WD1450 on the cyclone lid and it wasn't long that I noticed that it too was getting too warm.

I'm using a plastic garbage pail under my cyclone lid and it deforms about an inch so the only thing I'm thinking is that vacuum cleaners of any type require a minimum airflow to cool them. If you're using a shopvac or equivalent, be cautious that it's not getting too hot.

If you're one of the engineers on this site, would you please add your thoughts. More to come...

Allthunbs

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post #9 of 23 (permalink) Old 06-04-2013, 05:55 AM
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Hi Allthunbs:

I don't see why the set-up should cause problems. What size are the hoses leading from the tool (saw, router, drill press) to the separator? The set-up you described is not too unlike using an Oneida Dust Deputy. They're made to go on shop-vacs.

In my case (http://www.routerforums.com/tools-wo...tml#post128460), I used a large Rubbermaid bin as the base of my separator and have had no trouble with the system. I use a 590 CFM King dust collector on top, to do the sucking. Never has got overly warm.

Big difference between our systems is that a shop-vac is low-volume, high-pressure whereas a dust collector is high-volume, low-pressure.

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Last edited by Cassandra; 06-04-2013 at 06:00 AM.
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post #10 of 23 (permalink) Old 06-04-2013, 04:56 PM
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[QUOTE=Cassandra;337743]Hi Allthunbs:

Quote:
Originally Posted by Cassandra View Post
I don't see why the set-up should cause problems. What size are the hoses leading from the tool (saw, router, drill press) to the separator? The set-up you described is not too unlike using an Oneida Dust Deputy. They're made to go on shop-vacs.
The hose diameter to the tool is 2.5" and the length about 7'. The hose diameter from the vacuum to the cyclone lid is 2.5" and the length is about 4'.

Quote:
Originally Posted by Cassandra View Post
In my case (http://www.routerforums.com/tools-wo...tml#post128460), I used a large Rubbermaid bin as the base of my separator and have had no trouble with the system. I use a 590 CFM King dust collector on top, to do the sucking. Never has got overly warm.
I'm using the same bin. Does the sides of your bin flex when under suction?

Quote:
Originally Posted by Cassandra View Post
Big difference between our systems is that a shop-vac is low-volume, high-pressure whereas a dust collector is high-volume, low-pressure.
At 168 CFM, I'm hoping that it will be more than just "low-volume". I can only assume that high volume low pressure would require 4" or larger hoses????

I need a bit of explanation pls.


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