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Thread: Mini-Cyclone WIP >> UPDATE <<

  1. #1
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    Mini-Cyclone WIP >> UPDATE <<

    Well, I'm finally getting around to building the mini cyclone for my shop vac.

    My shop vac sucks, as in it is not very good, it does a decent job until it fills up a bit, the paper cartridge filter works well too, but in no time at all the thing is full. I looked at buying a new one, a better one, but the one I want, an nice Makita is around $500

    I've been busy, got a lot on my plate as of late, so I did not take many pictures..............

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    I've still got to do the inner cylinder and the air ramp, but so far the cone was the most difficult part.

    Not sure what I'll do with the transition for the inlet, might just get the heat gun out and form some PVC pipe?

    Should work fine when I done, the larger version of it works VERY well.

    Cheers!
    Last edited by Stuart Ablett; 02-26-2008 at 05:31 AM.
    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  2. #2
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    Looking good, Stu. I've got a simple 5 gallon bucket chip separator on my shop vac, and it's made a world of difference. Yours will be even more effective, I'd guess. Having the extra container makes things a bit more cumbersome to move around, but I very seldom have to empty the vac itself...the bucket catches 99% of all the material. The vac filter eventually gets caked with fine dust, but I use the blue washable filters, so I just knock off the loose dust and wash it off. I've got two filters, so I've always got a dry one to use immediately after I wash one.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  3. #3
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    How are you going to hook up a hose to that inlet? It looks huge!

  4. #4
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    I've got a 20 gallon ShopVac, which I used the vacuum bags with. With the bags I can run for 100 times longer than using the blue filters and you don't have to clean up the mess inside of the vac, just change out the bag.

    I used to do drywall years ago and cleaning up was always a pain. Those blue filters would clog up after about 100 sq ft of floor. The bags would allow me to do almost an entire house before needing replaced, so that's why I'm sold on them.

    Nice job on the cyclone Stu, can't wait to see how it turns out.
    Darren

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

  5. #5
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    Maybe this is helpful ??
    Attached Thumbnails Attached Thumbnails howitworks cyclone dust collector.jpg  

  6. #6
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    Well, it has been an adventure

    I got the "Cone" right on the third try, and the rest of it, fairly well on the first tries, but, on the air ramp, I gave up after the 7th try, I could NOT for the life of me get it to go right, so I moved on........

    I put it all together late the other night (OK, morning) and gave it a shot..........

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    OK, there is the cartridge filter from the vacuum, I cleaned it with the LARGE cyclone, that is about as clean as it gets. The vacuum is clean, and the bucket in the bottom of the cyclone is clean too..........

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    Well, there is the bucket, yep, has some stuff in it for sure.........

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    Uh-oh...... the vac has just about as much stuff in it

    Darn, at that point, I gave up, and went to bed.....

    .....the next day, I went back down to the Dungeon, ready to get to the bottom of this problem. I know the cyclone is built to the right specs, sure, I omitted the air ramp, but that should not have caused this problem. Usually, the main reason that cyclones have a separation problem is air leaks. I got out the silicone and started to fill every single seam I could find, or even think of.

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    Boy the bucket full this time Hope the vacuum is empty.......

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    Alright
    Yep, nothing but the very very finest dust, the stuff in here is like talcum powder.

    OK, now to build a bit of a cart for this monstrosity..........

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    This is not the "Final" version of the cart, but the basics are there. Sure, it is a fairly large footprint, but I plan to get a better hose for it, one of these.......


    .........the 15' Mr. Nozzle set up, should make things better, as I'll not have to drag the unit around the shop much.

    I used it on the router today, boy it sucks!

    A note on the construction, I used medium CA glue, and the Jelly CA glue, this worked well, after things had set up, I then used silicone sealant to back up the CA glue. With the accelerator sprayed onto the CA glue, I got almost instant bonding, which made the build very much easier.

    Should have done this a LONG time ago. Just the vacuum, I can fill that sucker up just cleaning up the Dungeon, this new unit should take a little longer to fill up.

    Cheers!
    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  7. #7
    Alan DuBoff is offline Former Member (by the member's request)
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    Last edited by Alan DuBoff; 02-27-2008 at 09:20 AM.

  8. #8
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    Well, the mini cyclone is sized for the hose, 3cm inside diameter, if you go to a larger size, you need to upsize the cyclone too

    Cheers!
    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  9. #9
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    Looks like it works great, Stu.
    Quote Originally Posted by Alan DuBoff View Post
    ...Curious how it would work for your lathe...
    I suspect it would be underpowered for sanding (and turning dry wood) at the lathe, since a shop vac generally is not up to the task. In the case of lathe sanding, it's all about airflow volume, as opposed to pounds of suction. With the cyclone, the shop vac is not moving any more air...it's just separating the debris better.

    For other turning fallout (the wet curlies), I don't know of any turners who try to try to catch that stuff before it hits the ground. There's too much (you'd be emptying the barrel every day or two), and it goes everywhere.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  10. #10
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    Very nice, Stu. Aren't you going to get a bigger vac? (Makita ) Will it work with that one too...as is?

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