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Shop Fan/Air Filter

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Project by Knightrider posted 06-22-2015 09:41 AM 23734 views 24 times favorited 17 comments Add to Favorites Watch

I decided to try to improve my shop air quality (on a budget), and I fully admit to spending way too much time on this, but I was having fun!

Case and stand are made from scraps of plywood, pine and 2 X 4, with some Masonite for accent pieces. Fan parts came from a box fan I had laying around. Knobs were made on my router pantograph.

I intended to put an electronic timer like I used on my drill cabinet, but I was feeling cheap, so I decided to use a mechanical timer that I already had.

Thanks for looking.

-- Chris Knight - West Michigan - https://www.facebook.com/pages/Gift-of-Memories/161419607227992?ref=hl





17 comments so far

View recycle1943's profile

recycle1943

1156 posts in 1086 days


#1 posted 06-22-2015 09:53 AM

That looks like a 5 micron filter, cant get too much more than that and besides, filtering is a good thing

-- Dick, Malvern Ohio - Your imagination is your only holdup

View michelletwo's profile

michelletwo

2594 posts in 2480 days


#2 posted 06-22-2015 10:40 AM

nice build, what impresses me the most is your little wood knobs! (for the rotation)

View Jim Jakosh's profile

Jim Jakosh

17163 posts in 2569 days


#3 posted 06-22-2015 11:23 AM

That’s a great idea, Chris. Nice project. I have a fan that looks exactly like that one and I am constantly moving it around to find a flat spot to set it on for cooling in the shop. Thanks for the idea!!!!!!!!!!!!

Cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View Oldtool's profile

Oldtool

2374 posts in 1655 days


#4 posted 06-22-2015 12:07 PM

Cool idea! Sorry, had to say that.
Nice work.

-- "I am a firm believer in the people. If given the truth, they can be depended upon to meet any national crisis. The point is to bring them the real facts." - Abraham Lincoln

View  woodshaver (Tony)  's profile

woodshaver (Tony)

4012 posts in 2817 days


#5 posted 06-22-2015 12:44 PM

Nicely done Chris! I like the idea that you can tilt it and that it’s at work bench height so you can bring it closer to your dust maker.

-- Tony C UAW, St Augustine FL, My high school shop teacher said "You can do it"... Now I can't stop!

View WoodNSawdust's profile

WoodNSawdust

1417 posts in 640 days


#6 posted 06-22-2015 12:50 PM

Nice design. How did the filter affect the airflow?

-- "I love it when a plan comes together" John "Hannibal" Smith

View Knightrider's profile

Knightrider

74 posts in 771 days


#7 posted 06-22-2015 02:17 PM

Thanks everybody!

Woodnsawdust – the airflow is definitely reduced considerably with the 5 micron filter… Much better airflow with a cheap filter, so I’ll need to experiment as to which is more effective – better filtration with less airflow or better air flow with less filtration!

-- Chris Knight - West Michigan - https://www.facebook.com/pages/Gift-of-Memories/161419607227992?ref=hl

View Pointer's profile

Pointer

369 posts in 575 days


#8 posted 06-22-2015 02:20 PM

Very useful item. I too like the height and its ability to tilt. Certainly nicer looking and more functional than duck taping a filter onto a box fan. Not saying I do that. :)

-- Joe - - Laughter is like a windshied wiper, it doesn't stop the rain but allows us to keep going.

View ChipByrd's profile

ChipByrd

146 posts in 1391 days


#9 posted 06-22-2015 08:05 PM

That’s a great idea! BTW, I am in Holland.

View Woodwrecker's profile

Woodwrecker

3926 posts in 3040 days


#10 posted 06-22-2015 09:19 PM

Nice job Chris.
That came out great !

-- Eric, central Florida

View AZWoody's profile

AZWoody

693 posts in 688 days


#11 posted 06-22-2015 09:40 PM

I really like the tilting aspect. Great job.

As for the filtration, I would go for more filtration over air flow. If you get more airflow, all you’re doing is spreading the finer particles around more to where you’ll be breathing them.

Now that you’ve made one of these, you could easily make a couple others faster now and could place them strategically around your shop to have some nice circulation going.

View jeff's profile

jeff

988 posts in 2929 days


#12 posted 06-22-2015 11:51 PM

Very nice project.I really like how you made it mobile.

-- Jeff,Tucson,Az.

View Mean_Dean's profile

Mean_Dean

5052 posts in 2611 days


#13 posted 06-23-2015 12:08 AM

This is a great idea—may have to add to my “to-do” list!

Question, though: Is 5 microns enough filtration? If I’m remembering right, we’re supposed to be shooting for 1 micron?

-- Dean

View CB_Cohick's profile

CB_Cohick

460 posts in 715 days


#14 posted 06-23-2015 02:29 PM

I like your idea of removing the grate on the back of the fan. I will incorporate that into mine next time I take it apart.

-- Chris - Would work, but I'm too busy reading about woodwork.

View timbertailor's profile

timbertailor

1592 posts in 888 days


#15 posted 06-23-2015 05:14 PM


Question, though: Is 5 microns enough filtration? If I m remembering right, we re supposed to be shooting for 1 micron?

- Mean_Dean

No. 0.5micron is even better. Otherwise, they just become dust generators recirculating the really hazardous, fine particles.

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

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