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Re-use as a Dust Collector a 0.8KW 30 cm dia fan

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Forum topic by RayArdia posted 09-17-2016 01:18 AM 616 views 0 times favorited 3 replies Add to Favorites Watch
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RayArdia

3 posts in 1060 days


09-17-2016 01:18 AM

Topic tags/keywords: dust collection

First, my apologies if I’ve posted this in the wrong section!
I have a 0.8kw fan which I previously used to extract air from a spray area and would like to re-use it in some form of dust collection system for a table-saw, two band-saws, router, belt sander etc.

Some pictures are at :- https://www.dropbox.com/sh/11sh7ae3hdh4b2q/AAAvM2oca5iSURqv7VK314OSa?dl=0

Specification is Type E315/2/1 HA, RPM 2600,230v 0.8KW, IP54, Blade dia approx 31cm.

If anyone has used, or knows someone who has used, a fan of this type for dust collectionas opposed to extraction, I would very much like to “pick his brains”!


3 replies so far

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yvrdennis

27 posts in 538 days


#1 posted 09-17-2016 04:35 PM

This type of fan is designed to move a large volume of air with a very small pressure drop. It is ideal for venting the air from a room. Dust collection systems require fairly large pressure drops because of pressure loss across a filter and/or cyclone. You also need to keep a fairly high flow velocity through the ducts to keep the dust suspended so you have a fairly significant pressure drop there. This is why dust collectors typically use radial flow fans. They can generate more pressure difference.

So, in other words, if you have very short duct runs and no filter, and no cyclone you might be able to get this fan to do something, but it really isn’t the right fan for the job and is unlikely to work very well.

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RayArdia

3 posts in 1060 days


#2 posted 09-17-2016 06:38 PM

Thanks for your reply; you’ve confirmed what I’d already thought!
Think I will just have put it on eBay or Segundomano and get something for it with luck!

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RayArdia

3 posts in 1060 days


#3 posted 09-20-2016 12:18 PM

Perhaps this motor could be used to power a shop-made blower per Matthias Wandel’s website
http://woodgears.ca/dust_collector/plans/preview.html
Any comments welcomed!

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