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Forum topic by woodworkingdrew posted 10-06-2014 03:43 AM 830 views 1 time favorited 9 replies Add to Favorites Watch
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woodworkingdrew

189 posts in 1069 days


10-06-2014 03:43 AM

As the title states, whats the best dust collector? How do I know how much HP and CFM I need for my tools? Thanks

-- Andrew, California


9 replies so far

View newwoodbutcher's profile

newwoodbutcher

552 posts in 2310 days


#1 posted 10-06-2014 06:13 AM

Get the most CFM and the largest pipe you can afford. You can research this till your head spins. If you will have permanent plumbing and fairly short runs (15 – 20 feet) Start looking of a 2 hp 2000 +++ CFM machine.

-- Ken

View Loren's profile

Loren

8295 posts in 3108 days


#2 posted 10-06-2014 06:25 AM

There’s a lot to it.

If your goal is chip collection and mess reduction,
it’s possible to do something with a 110v dust
collection. With modest 4” duct runs a 1.5hp
dust collector can reduce broom-work quite
a lot.

If your goal is air purification and capturing of the
finest dust because of health concerns, then you’re
talking about a much heftier investment.

A 3hp 2 bag collector runs pretty loud due to a
lot of air being moved. Such a machine can
serve 2 or 3 machines simultaneously. I have one
of these outside I use for my planer and big
sanding machines (pro stuff). Inside I use
a modest 1.5hp cyclone and it’s really okay and
reduces mess a lot. It does not get the “fines”
(fine floating dust) especially well. I have an
overhead filter to compensate.

View jeff's profile

jeff

988 posts in 2925 days


#3 posted 10-06-2014 06:58 AM

Loren has some good thoughts.I have a Penn State bag style dust collector 1.5 hp plus an overhead air filter.They work well for my little shop.I will be adding short runs of piping at some point.Both have cut down on the dust a ton,but there is still fine dust floating around,not a lot but enough to notice.Collecting at the source can be tough.You should wear a mask also which I do.Yes your head will spin with the amount of info on the internet with dust collection and set-up.

-- Jeff,Tucson,Az.

View Fred Hargis's profile

Fred Hargis

3926 posts in 1953 days


#4 posted 10-06-2014 11:54 AM

Following on what Loren said: it depends on what you expect. To catch the large chips and avoid sweeping the floor the smaller models will do you quite well. But if you want to catch every spec of the finest dust you possibly can, you’ll need to move up to a much more capable machine. Personally, I would suggest you start at the 2 HP (true 2 HP) models, and make sure it has a 12” impeller and at least 1 micron filtration. Go up as your conscience and wallet allow. You might check the Bill Pentz site for some info, start with the FAQ section; then decide what you are after and buy accordingly.

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

View Roger's profile

Roger

19855 posts in 2264 days


#5 posted 10-06-2014 12:23 PM

To get you something decent without breaking your bank account, I’d suggest the Harbor Freight 2hp collector. In the November 2014 Issue #229 of Wood Magazine, an advertisement for HF has this collector (which I’ve owned for about 15 years), for 160 bux. If you use a 20% (or 25%) coupon, you’re getting that collector for a song. Just my thoughts.

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. Kentuk55@yahoo.com

View bigblockyeti's profile

bigblockyeti

3665 posts in 1180 days


#6 posted 10-06-2014 12:32 PM

Typically you get what you pay for, but since there’s about a zillion threads on this subject you can use the search function to narrow in on the specifics of what aspect of dust collection you’re working on or trying to figure out. As previously mentioned, dust collection can be very complicated depending on your situation.

View timbertailor's profile

timbertailor

1591 posts in 884 days


#7 posted 10-06-2014 12:39 PM


Following on what Loren said: it depends on what you expect. To catch the large chips and avoid sweeping the floor the smaller models will do you quite well. But if you want to catch every spec of the finest dust you possibly can, you ll need to move up to a much more capable machine. Personally, I would suggest you start at the 2 HP (true 2 HP) models, and make sure it has a 12” impeller and at least 1 micron filtration. Go up as your conscience and wallet allow. You might check the Bill Pentz site for some info, start with the FAQ section; then decide what you are after and buy accordingly.

- Fred Hargis

I agree with Fred. Read the Pentz article and go from there.

My only other comment would be, “Get the best filter you can afford. Not much sense in buying a dust collection system if all it is going to do is throw dangerously small particles back into the shop\air.”

-- Brad, Texas, https://www.youtube.com/user/tonkatoytruck/feed

View ADHDan's profile

ADHDan

800 posts in 1568 days


#8 posted 10-06-2014 02:34 PM

Generally, that Harbor Freight DC is regarded as being “pretty good” overall and “best in class” for its price range. As far as I know there isn’t anything better for under $200 (or $300, or maybe even $400, really), and it seems to be the go-to for many or most small-shop woodworkers.

I run mine with a 4” main ceiling line and two drops – one to my table saw and planer, and one as a “floater” for the rest of my tools. With the Rockler quick-connect system it’s really easy to swap a drop line between tools as needed.

-- Dan in Minneapolis, woodworking since 11/11.

View English's profile

English

517 posts in 937 days


#9 posted 10-06-2014 11:40 PM

To add to the confusion, even if you purchase a 5 HP Clearvue if you don’t modify the collection hoods and ports at your machines you still will not get the fine dust. So add to your decision process the question “can I get the higher air flows for fine dust collection through the ports on my machines”. It can not be done through a single 4” port. If the answer in no and you can’t modify them to 6” or multiple 4”. Then chip collection and house cleaning is all you need.

I have modified most of my machines to multiple 4” or a single 6” and with 6” duct and enough static to do the job I still get fine dust that settles on my machines after use. None of my equipment which includes SawStop, Grizzly, Delta, and LaGuna have dust collection hoods that work well enough for real fine collection. It’s better, I DON’ t choke and cough like I did with my old Harbor Freight, but I still miss a lot of the fine dust.

So unless you plan on a lot of work on the collection at the machine now or in the future, and running 6” or larger ducts, purchasing a large cyclone system will not provide you with a lot of gain over the 1.5 HP to 2 HP system other than reducing filter cleaning time.

-- John, Suffolk Virgina

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