Homemade dust extractor, any experience?. - Router Forums
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post #1 of 40 (permalink) Old 10-17-2014, 07:54 PM Thread Starter
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Default Homemade dust extractor, any experience?.

So after reading a lot about how to properly extract dust, thanks to a lot of experienced a wise people I concluded that a shop vac probably wont do.

Instead I need a dust collector system.

However, dust collectors here are:

1) hard to find, even used ones
2) ridiculously expensive (they got a big fat plus in price because they are considered for factories and companies, since there is non-existent market for home dust collectors)

So, I found this interesting:

Homemade small dust collector: The blower

The guy made a dust collection system from a motor + a homemade impeller/blower, the motor itself is only 1/3 hp.

What do you think about this project?, too much for a newbie in woodworking?.
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post #2 of 40 (permalink) Old 10-17-2014, 10:14 PM
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I had a similar situation. I did not have the budget for a "real" dust collection system and space is limited. I bought a Ridgid 16 gallon shop vac, which is connected to an Oneida Dust Deputy, mounted to an older shop vac where I removed the motor/pump.

Nearly all of the wood chips remain in the collector until it's full. Once it starts getting heavy, that's my cue to empty it. If I need the shop vac for something else, I just disconnect the hose and do what I need.



It's kinda noisy but I use hearing protection for the power tools that require dust collection anyways.

I void warrantees
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post #3 of 40 (permalink) Old 10-17-2014, 10:27 PM Thread Starter
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If I understand correctly, the dust deputy, cyclone, thein separator and all of those dust separator artifacts their only purpose is to separate dust from air. They won't increase your cfm.

Specially in my case that I mostly cut (I'm planing to hook it to a TS) MDF, when I cut it it generates a huge amount of airborne dust all over the room. I need to be able to catch all I can before it gets everywhere. That is why I think a vac wont do, since it doesn't create an air flow, it just sucks whatever is close to the hose, nothing else.
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post #4 of 40 (permalink) Old 10-18-2014, 12:22 AM
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I don't think there's a cheap solution, Pablo. Our bigger hobbyist dust collectors are 220V and at least 2HP. What would you have available in the way of a motor with muscle that you could salvage to power a DC?
They're basically just a heavily built squirrel cage fan driven by an electric motor.
I just looked at a furnace blower...no where close to the CFM that you'd need.
Dayton Model 1TDR9 Blower 463 CFM 1600 RPM 115V 60 50Hz 4C264 4C448 | eBay
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post #5 of 40 (permalink) Old 10-18-2014, 01:32 AM
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It can be done, apparently!
Building a dust collector blower
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post #6 of 40 (permalink) Old 10-18-2014, 05:48 AM
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Have you checked out Bill Pentz's site?
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post #7 of 40 (permalink) Old 10-18-2014, 09:05 AM
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Quote:
LOL when Matthias Wandel admitted half way into his excellent presentation that he cussed when he discovered that his impeller vanes were mounted backwards. I could never image him saying a bad word. But his solution was pure genius. Thanks for sharing, Dan.

Bob

Last edited by Web Shepherd; 10-18-2014 at 09:28 AM.
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post #8 of 40 (permalink) Old 10-18-2014, 09:20 AM
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If you simply have no option, you should indeed build the Woodgears version. I built Matthias' band saw. It works well. The only problem is that, with the time I spent building it, I could have bought a very nice band saw. The silver lining was that the process was pretty fun.

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post #9 of 40 (permalink) Old 10-18-2014, 09:56 AM
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Many people base their frankenstein systems around the motor/impeller assembly from Harbor Freight's 2HP dust collector, it is about $150 w/coupon so that is the price to beat.
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post #10 of 40 (permalink) Old 10-18-2014, 09:59 AM Thread Starter
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For me, there is no price to beat because I don't have access to it :P.
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