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Thread: 4" Cyclonic - Just made one
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5th March 2014, 10:35 AM #1
4" Cyclonic - Just made one
I have one of the dust deputies and wanted something for my big sucker, so after seeing $600+ figures on Oneida units, etc I decided to use my time at trade school to make this cyclonic.
4' inlets and 6 months of work. Learnt a load from making this and all was my first attempt at doing anything like making domed tops, stretching and shrinking metal to form lips. Still to be tested as i only finished this last night, but hopefully I can get it to work well.
photo 1.JPGphoto 2.JPGphoto 3.JPG
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5th March 2014, 10:54 AM #2
Mike, your trade school skills have made a pretty good looking unit! Did you use Bill Penze drawings? I had a 2Hp single bag dusty that worked OK but after reading on the Forum just how inefficient that set up is I made a cyclone using Bill's very good drawings and advise. [Its still not 100% finished] and set the impeller on the top of the cyclone. It works very well in deed. I still have to connect more of my machines to the over head main. I am a Carpenter by trade but the working of sheet metal is another medium to play in. I have a 44 gallon drum with clamped on lid to catch the "fallout". When using the thicknesser I have to keep an eye on the capacity as the drum gets full quickly.
Just do it!
Kind regards Rod
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5th March 2014, 11:32 AM #3
I started to make a unit using Bills tool, but it was going to be huge and I never finished it. I basically took the 2" unit and just doubled it to give me this unit. Its a lot smaller and thats why i said i hope it works.
As you indicated, the biggest killer of my standard vac was the thicknesser. The inlet kept getting clogged and I hope this will help with the issue, allowing those big shavings to just drop into the drum.
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5th March 2014, 11:52 AM #4GOLD MEMBER
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When I first saw the pictures on my tablet I thought it was standing on the floor!!!
How do you empty it?
I assume you used a machine to dome the lid?
Hows the wrist? that much hammer work first time around is damn hard work lol (or did you get to use a machine for the stretching also?)
Stuart
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5th March 2014, 12:56 PM #5
The dome comes off the top. I spot welded the cyclone to it with a flange. This allows me to pick up the drum and tip it into the green bin.
Yes, the top was machine completed. I dont think they have an english wheel.
The wrist is good, I masterbate a lot!!! Yep, there was loads of stretching and shrinking involved. Spread over a few weeks makes it easier.
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5th March 2014, 04:01 PM #6.
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I agree - nice fab work.
I can see from the straight (versus ramped) inlet that it is not a Bill Pentz design. Also Bill's design requires a 6" inlet and ducting, anything less than 6" diameter ducting simply won't grab enough air and worse still restrict flow and not filter enough fine dust so filters on DCs end up getting blocked just as much as not using one. It's unfortunate that these old designs are still floating around out there when there are much better performing designs available.
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5th March 2014, 06:31 PM #7
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5th March 2014, 10:44 PM #8
Nice job... and beautiful sheetmetal work
Ray
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