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Thread: Best dustie for my new shed
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10th October 2014, 01:00 PM #1SENIOR MEMBER
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Best dustie for my new shed
Not a new shed yet, still waiting on development approval, but hopefully it wont be too far away.
This is the basic layout. Size was restricted by the size of my block. The rear street is the only vehicle access to the block, so I needed to leave room for a car to get through to the garage which is in the rear lower level of the house.
On advice from the certifiers, to speed up DA it was decided to set the shed back 1.5m off the rear boundary. I am going to construct a 6' block wall fence on the rear boundary. This gives me a great little space to fit a DC and a timber storage area. I will put a small roof over the space once the shed is all approved and signed off.
Based on advice from people here, doors are at the opposite end of the shed from where I intend to put the DC. I will seal up the shed as well ( I have a heap of expired sikaflex sausages here that still work!!!).
So the big question, what DC should I buy? My current single bag carbatec 2hp model is pretty much only good for removing chips so it needs to be upgraded. Single phase prefered, but I am wiring the shed for future 3phase upgrade. If 3 phase is quieter, then I will go down that path.
Thanks.
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10th October 2014, 04:30 PM #2.
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If you are going to have any machinery that needs dust extraction near the window i.e. 7m away from your DC, than you will need a 15" impeller and a 4HP motor DC to efficiently move air over that distance.
That only solves part of the problem - you must use 6" ducting and machines ports must be enlarged to fit the ducting and air allowed to freely flow into machinery.
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10th October 2014, 04:54 PM #3SENIOR MEMBER
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The machines will likely be at the opposite end to the window, however all my stuff is on wheels, so if I need to work with large stuff then I can move it near the roller door. For that reason, I would like at least one outlet or flexible hose that will do the distance.
I want an effective solution, so going to 6" ducts and modding machinery wont be an issue. Its part of the plan actually. The 2 problem machines I need to find a solution to will be the orbital sander and mitre saw.
So if I go for a 4hp machine, that probably means I should look at 3 phase. So where does one find a decent machine that fits those specs? Carbatec and Hafco are out. I did see the clearvue stuff, is it any good?
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10th October 2014, 05:09 PM #4newbie that's keen
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I think you will get a few replies from the disciples (including me) with a clearvue. You do not need 3-phase power. Although the motor is 3-phase an inverter is optional. I have the CV Max and run it at 50hz for a single machine. It seems to be doing an excellent job with hardly any dust in my shed. I only have my lathe, bandsaw and drill press hooked up. These are my main machines - everything else I take outside and wear a good respirator and close up the shed.
cheers
Mick
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10th October 2014, 05:28 PM #5SENIOR MEMBER
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Good thing about the CV, is its just up the road from me (well about half hour up the road anyway).
My machines are mitre saw, bandsaw, table saw, thicknesser and am going to add a surface planer in there at some point, but I may change that to a planer/thicknesser combo to save space. Also have a chinese CNC router in the mail. Other power tools are router, electric planer and various sanders. Mitre saw could probably be located outside if needed. I have a 3m carport on the end where the window is, so still got some undercover area to work with.
The only other issue I have, is epoxy dust. Being a sailing type boatie, I am often working with epoxy/glass/foam etc. Can the CV handle this stuff ok? Should I still use filters on the outlet even if the DC is located outside?
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10th October 2014, 06:51 PM #6.
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10th October 2014, 07:37 PM #7newbie that's keen
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I agree with Bob. I have an amazingly small amount that is not captured in the cyclone.
BTW, I have my motor and impeller outside the shed (covered) but the cyclone inside. There would be a bit less noise if you could also locate the cyclone outside as well.
cheers
Mick
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10th October 2014, 10:02 PM #8SENIOR MEMBER
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Well it sounds like the CV is the go. Thinking I should go for the bigger one. In my experience if you buy the smaller one you always need the extra bit that the bigger one offers
I will have to keep a check on noise. I am the small house in the snob area, so people around here can be a bit precious at times. I figure the wasted space between the shed and fence can be enclosed with sufficent noise proofing if it comes to that.
Just out of curiosty, what else is available in that ballpark other than the CV?
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10th October 2014, 10:16 PM #9
FYI there's a CV max on the market place presently but it's in SA. There's also an Oneida super gorilla with hepa filters remote etc in Brisbane but 2hp. Usual disclaimer not associated with seller etc but thought you'd like to know.
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12th October 2014, 02:36 AM #10... and this too shall pass away ...
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I too am a happy CV owner. I run a CV 1800 at 60 Hz with a VFD.
If I had my time over, I'd get a CV MAX, for two reasons. First, at 60 Hz it allows you to have two ports open, one to the machine in use and one overhead scrubbing the shed air (or two machines at once). Second, you can run it at 50 Hz with only one port open to reduce your noise.
I love my CV, but they are noisy. The noise can be significantly muffled. However, its best not to make the noise in the first place. My CV makes about half the noise at 50 Hz than it does at 60 Hz.
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12th October 2014, 07:29 PM #11
You guys should buy my Oneida Dusty advertised on tho site. It's the Rolls Royce of dust extractors, so quiet you barely here it running and has to be miles better than those plastic ones you all seem to love. Going cheap too!
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12th October 2014, 11:24 PM #12... and this too shall pass away ...
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No doubt the Oneidas have a wide range and a loyal following. However, the "plastic ones" have a 3.3 kW motor and a 14 or 15 inch impeller. The 14 inch version will pull about 12 inches of water column static pressure and about 900 CFM through a table saw with two inlets (cabinet + blade guard) 8M away through two 90 degree bends (measured, not implied). Not aware of any other small workshop dust extraction system that will do that ... or am I missing something?
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8th December 2014, 06:53 PM #13Senior Member
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8th December 2014, 11:07 PM #14... and this too shall pass away ...
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I read (I think on the US forum) that early on (during development) an impeller exploded into a gazillion pieces. Despite the fact that the outer housing for the impeller is "only plastic" nothing broke through this housing. There was no safety problem. Some of the modern plastics are very good.
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