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Posted on On a Dust Collector what about placing impeller before cyclone?

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69 posts in 2541 days

#1 posted 06-29-2015 07:35 PM

I built a dust separator and put it in front of my shop vacuum. The amount of dust getting to the filter on the shop vac was substantially reduced—the filter in my shop vac only gets dirty when I forget to empty the catch bucket under the separator—and the ability to vacuum wasn’t diminished “that much.” My shop is in basement and the shop vac is unaltered.

The dust separator is made from 2 buckets. The top bucket was cut so as to be about 1/3 its normal height (from the top so it would nest into the second bucket that catches the dust) with a side entry and a top exhaust back to the shop vac through the lid. The dust stream swirls around the circumference and drops chunks to dust into the catching bucket underneath.

I glued the bottom of the cut bucket to the top of the cut bucket with cuts around about half of the circumference. The difficult part is cutting in the entry port for it in the side of the cut bucket.

I put the dust collector on a little ‘cart’ with caster wheels and pull it across the shop to vacuum up at the lathe and to attach to the miter saw, table saw, and jointer /planer. I use it whenever I dry vacuum and can remove the hoses easily to convert for wet vacuuming should I ever need it to.

I envy those of you with larger shops and more hefty dust collection systems…

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