Cutting through the sawdust

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Forum topic by Deaner posted 02-25-2016 06:10 PM 372 views 0 times favorited 3 replies Add to Favorites Watch
View Deaner's profile


42 posts in 1509 days

02-25-2016 06:10 PM

Hi Jocks,

Lots of good stuff always to be found regarding dust collection.

Now, if I could just cut through the big technical stuff to get my head around an idea:)

I want to put a economical cyclone/dust deputy/seperator ahead of my Jet 1100 impellor to catch the big dust, then, after the impellor, vent outside through my wall into another modest seperator to catch some of the finer dust before letting it into the soft breeze, thusly, eliminating my filter cannister.

My thoughts: 1) there shouldn’t be much dust released in to the air, and, 2) It elimnates my need to keep up with the canister filter cleaning so often.

What’cha all think?

-- Once harm is done, even a fool understands it.

3 replies so far

View Fred Hargis's profile

Fred Hargis

3848 posts in 1916 days

#1 posted 02-25-2016 08:59 PM

It’s a good idea, one several folks use. I would vent out (no outdoor separator needed) if it wasn’t for the heat loss I’d suffer in the winter. I would just let it blow out, whatever gets past the impeller will be fine enough to be carried away by the wind.

-- Our village hasn't lost it's idiot, he was elected to congress.

View clin's profile


486 posts in 419 days

#2 posted 02-25-2016 10:56 PM

With a cyclone separator, there’s no need for any other filtering before exhausting outside. Very little visible dust will get through the separator and it should be insignificant. I’m assuming you’re a hobbyist and not a production facility.

If for some reason you have some unacceptable buildup outside, then look at doing something else, but I don’t think you’d need to.

I think additional filtering after the blower is on;y don if you are recirculating the air back into the shop.

Keep in mind, that aside from perhaps pumping heated or cooled air outside, you still have to have some way for air to get into your shop. Could be as simple as an open window. But whatever it is, you don’t want it near where you exhaust, else you’ll be sucking dusty air back into your shop.

-- Clin

View Deaner's profile


42 posts in 1509 days

#3 posted 02-26-2016 08:13 PM

Thanks you guys-
The only reason I considered putting a seperator outside too was to catch (perhaps) the last of the finest dust before setting into the breeze…and now agree that an outside seperator would be redundant if not mute.
I’ve just found that no matter what, my upper cannister on the Jet 1100 still clogs in spite of the cone vortex feature. However, I mainly use my DC for the sanders and bandsaw…super fine dust there, right?
I bet if I only connected my planer that I would find little if any dust in the upper cannister- it’d all be the heavier chips being pushed down into the lower bag, with little dust going up.
Thanks again- I’m off to cut a 4 inch hole in my wall !!

-- Once harm is done, even a fool understands it.

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