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Showcase cover image for Dust Collector Cyclone Mod (Yet again)

Project Information

Got a single stage dust collector that makes you sad every time you hear a chip run through that motor? Solve all of the worlds problems by souping that sucker up with a two stage cyclone and canister filter mod!

I'm sure you've all seen this many times over but when doing my research I didn't really find an example of how I wanted to do it with an accompanying article and video. So here is yet another harbor freight dust collector 2 stage mod.

Check out the article and/or video here: http://blog.monolocoworkshop.com/2015/07/harbor-freight-dust-collector-2-stage.html

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Comments

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Nice job! I've been thinking of ways to reduce the footprint and increase efficiency with my setup and your project definitely gives me a few ideas. Thanks for sharing.
 

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Nice design and should be very efficient! I originally had a Delta 50-850a dust collector similar to the HF design but didn't have enough height to do what you did as originally planned so I ended up getting a Delta 50-760 to keep the height low as well as the footprint as small as possible.

 

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How is this on the bearings? I read somewhere that the fan bearings don't swap so well from vertical to horizontal. I've yet to upgrade from my shop vac setup. Harbor Freight is one I'm looking at, and I love this setup.
 

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Are you able to vent to the exterior of the building?
Now that you have a cyclone you will see almost nothing vented to the filters/collector bags.
I vent into a garden bed and see only the slightest amount of dust occasionally.
Saves heaps of space in workshop too.
Ron in Hobart
 

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Marv88 - I'm liking that double filter design! I know they make extensions for those canister filters that are meant to catch the fine dust and easily be removable.

Lnxusr - Somebody commented on my video that they heard the same thing. However the original design had the bearings horizontal so I would think that moving them to a vertical position would be better. However, if I get a few years out of it I'll be happy. By that time I'll probably want a reason to modify it or upgrade in some way.

Ronniebo - I don't plan on venting to the outside at the moment since I'm still in the garage of my new house. When I get my shop built I will surly re-design this beast with no filter and venting to the outside.
 

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The bearing on the harbor freight motor, at least the newer version, are deep groove style bearings. They are suitable for horizontal and vertical mounting. They are also around $4 for a set so not a huge loss if they burn up after a year or two.
 

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Are you able to vent to the exterior of the building?
Now that you have a cyclone you will see almost nothing vented to the filters/collector bags.
I vent into a garden bed and see only the slightest amount of dust occasionally.
Saves heaps of space in workshop too.
Ron in Hobart

- ronniebo
the down side of venting outside it you would loose all conditioned are from the workspace that is if you are working in a conditioned space… I am just pointing this out for others that might be reading this thread
 

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This is so, but as Ty is in Arizona I would think that matters little.
I would continue to do so here in Tassie even though today it is only rumoured to be getting as warm as 11 deg C and with a biting wind.
Ron
 

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Wonderful way to set it all up! Ty, thanks for posting this! It is exactly the equipment I planned to use, but I had not figured out how to put it all together. I will definitely be building mine very much like yours. I was also concerned about the bearings in the motor, but pb300s' comments make me feel pretty good about mounting the motor vertically, especially since it shortens the duct work and takes out a 90 degree bend.

Ty, what are your thoughts for duct work to your equipment? I thought 5" pvc pipe would be less expensive but am not sure about having enough airflow so was thinking of stepping up to 6" pvc. The pipe costs aren't too bad, but the y fittings and reducers would increase the cost rapidly with either size.

I look forward to your future posts, very good Job!
 

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Marv88 - I m liking that double filter design! I know they make extensions for those canister filters that are meant to catch the fine dust and easily be removable.

- Ty
The second filter definitely increased my airflow Ty and allowed me to go a long time without having to clean them however the drag is I overfilled my drum once and it clogged the lower filter so bad it took me almost an hour to clean! I originally planned to install one of those clean out bins but since the picture was taken I removed the bottom canister and replaced it with a 1 micron filter bag instead of the plastic bag. This way I still get some extra filter area and when I blow out the top canister the dust just falls into the bag which I can easily take off to empty when needed. The nice thing is the SDD works so well I get very little dust in the filters so I don't mess with it much these days other than periodically tapping on/blowing out the top canister and shaking the bottom bag (I haven't had to empty the bag yet as there is still only a small amount of dust at the bottom).
 

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If you want to save even more space and reduce the footprint, a Thein Cyclone in the dust bin works really well. I have found mine so efficient that I do not even have a plastic bag under the filter.

 

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Having storage for clamps, hoses, and a shop vac sounds good. Do you have any more photos of your design, timbertailor? I'd like to build something similar.
 
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