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Forum topic by SCOTSMAN posted 02-09-2013 08:11 PM 601 views 0 times favorited 6 replies Add to Favorites Watch
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SCOTSMAN

5439 posts in 2280 days


02-09-2013 08:11 PM

I bought one of these to convert into a dust extractor. It is very very powerful so no probs there .What do you think ? Mine is a different model from this but big heavy and did I say powerful LOL .what do you guys and ladies think? Alistair

http://www.ebay.co.uk/itm/Weld-Fume-Extractor-Exhaust-Portable-Ventilator-Fan-Air-Mover-Ventilation-/251222187701?pt=LH_DefaultDomain_3&var=&hash=item3a7e025eb5

-- excuse my typing as I have a form of parkinsons disease


6 replies so far

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Dallas

3057 posts in 1182 days


#1 posted 02-09-2013 08:17 PM

540 CFM isn’t all that much, I wonder how much power the motor is rated for and the size/material of the impeller.
The impellar material is important. If a stray chunk of wood hits it you do not want it coming unglued and taking the rest of the blades with it.

I have a cheap Harbor Freight 1 HP unit I got here in the states that was rated 660CFM and 1 HP on a condenser motor.
I am reworking it to make it much more efficient.

-- Improvise.... Adapt...... Overcome!

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jim65

396 posts in 628 days


#2 posted 02-09-2013 08:22 PM

I would connect your hose to a bucket first then to the fan – like the attachements used to vacuum out fireplace ash – these collect the “solids” first in the bucket and the dust would go to a bag. running a small block of wood through it may be an issue for the fan blades. looks good!

-- Jim, Marostica Italy

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MrRon

2877 posts in 1938 days


#3 posted 02-09-2013 08:51 PM

No. A fume extractor is not the same as a dust extractor. It looks like that unit has high velocity, but low capacity. Sawdust extractors need high capacity and high velocity.

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TopamaxSurvivor

14899 posts in 2371 days


#4 posted 02-09-2013 09:58 PM

I doubt it too. Might help with very fine dust in the air, but that is about it. Should do a good job of positively ventilating the work station to keep you dust free ;-)

-- "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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SteveL

143 posts in 2463 days


#5 posted 02-09-2013 10:02 PM

I agree with MrRon. This would be good ventilation if you were making a spray booth, but it probably would not be good for a “whole-shop” dust extractor. If you do use it, you should definitely have a pre-stage like the one from Oneida—also I think that 455 pounds sterling is a bit pricy for 540 CFM, as Dallas says.

-- SteveL

View Joe Lyddon's profile

Joe Lyddon

7812 posts in 2747 days


#6 posted 02-09-2013 10:53 PM

Dog gone it… it sure looks good though… pretty blue n all…

How about a shop made air filter?

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

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