Road cone dust cyclone

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Forum topic by steve54uk posted 03-27-2014 11:18 AM 883 views 0 times favorited 3 replies Add to Favorites Watch
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11 posts in 1804 days

03-27-2014 11:18 AM

To my surprise it does actually work but the sides of the cone collapses in on itself after a couple of minutes.
I would be grateful if anyone out there, who has also built one of these, shed some light as to what i have not done in building my version of a road cone dust cyclone?
Cheers Steve

-- Steve, Aylesbury UK

3 replies so far

View Mark Shymanski's profile

Mark Shymanski

5621 posts in 3708 days

#1 posted 03-28-2014 01:27 PM

I suspect the quality of the cone selected may be a huge variable. Some of them are almost fragile and I guess are considered consumables some of them are built like you could, well, drive a truck over ‘em and they’d bounce back.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

View steve54uk's profile


11 posts in 1804 days

#2 posted 03-28-2014 08:28 PM

Hi Mark, I hear what you’re saying, but because I’ve sealed all the joints as best as I could do I need to have some sort of vent hole to act as a release valve? I can get around it somewhat by reducing the suction on my Fein vac but then I’m defeating my goal.
Cheers Steve

-- Steve, Aylesbury UK

View Steve Peterson's profile

Steve Peterson

375 posts in 3078 days

#3 posted 03-28-2014 09:30 PM

Are both the inside and the outside of the cone under suction? Or does the inside have a vacuum while the outside is exposed to normal air? I recall seeing a design where the entire cone was placed inside a tall trash can to keep the pressure equal on both sides of the cone.

-- Steve

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