Shop air filter - DIY tutorial
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- Опубликовано: 11 сен 2024
- With more and more power tools filing my shop, more and more dust is filling the air. It was time to try and clean the place up a bit. So I made my own shop air filter. It was a low budget build and it works great. Enjoy.
UPDATE the MERV 4 rating on the filters used was a little low. I now use those as an initial buffer for the front and back. The 2 other filters are a higher MERV 12 rating.
Old filter, MERV 4:
amzn.to/2FFa4v0
New filter, MERV 12:
amzn.to/2suxSK7
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Ugly Sweater - DIY Tutorial
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Nice job!
I happen to have the same type of fan just laying around not pulling its weight.
Now I know what to do with it!!
P.S. Everyone, this is how you make a how-to video. Sped up, show the important parts and use a voice over.
GREAT JOB! I adore the fact that you use reclaimed materials (so do I)! Thank you for making this project easy to understand. Keep up the great work, my friend!
This newby really really appreciates this video!
Props for ear protection
And harbor height tools
Some tool i don't use enough to justify the high prices, so harbor freight to the rescue. If I only using it once a month it's not worth the money IMO.
Hi,I have watched loads of these and you have been the only one yet to put a filter on the intake, the dust must be a problem for the longevity of the motor,well done also about recycled materials
Just to give you a heads ups. The metal shielding around the cable from the fan is your ground this wire is called BX cable. A metal outlet box should be used with a BX clamp, this grounds the fan to the box. You must recess the box to be flush with your plywood so when screwing the switch in, with the ground connected this now grounds the box to the system ground, therefore grounding the fan. Good idea and great filter.
Not an electrician so thank you.
hheidrick. More than likely that is flexible metal conduit, but your comments remain correct except different connector.
Kevin Coop Bx cable is considered flexible metal conduit
hheidrick Really? Hmmm if you are correct, then why would there be a section for AC cable (you call BX) which is a cable with conductors installed by a manufacturer and a conduit that is flexible with conductors installed by someone else in the NEC(National Electric Code)! I really do not think so!
Kevin Coop google it. I won’t debate it.
Great project made out of reclaimed materials. Keep posting interesting diy projects like this to improve the workshop and comfort. Thanks
This is awesome and makes filter changes a breeze. However, if you don't have the woodworking skills or time to build this, like me, a cheap and easy alternative is to build a simple bench top filter box. Hot glue a box made from 4 filters on the sides, a piece of plywood for the base, and a shroud made from Dollar tree foam board for the top. Drop a cheap shop floor fan inside so it blows up through a matched hole in the foam board and you have a quick, easy and effective filtration system. Sure, it will require rebuilding once the filters get clogged but when it only takes ten minutes to build, it's not that big a deal.
Thanks, I'm gonna use a different type of fan, a centrifugal blower, but this should help
Nice idea and proof of concept. Not sure I would use three filter on the input. That make the fan struggle harder to work and creates some heat which will work on the fan's life span. And I honestly don't know why you put an exit filter on it either. But it seems to do what you designed it to do.
Looks much more durable then the other DIY dust filters Ive seen on RUclips. Maybe just use some primer and a clear coat on the inside so it has a smooth surface easy to clean and doesn't absorb moisture from saturated layers of dust on humid days. I think the metal mesh on the filters is to support the filter stuff from the force on it from airflow and should be turned around the other way then how you had it in the video unless the mesh was on both sides of the ones you used.. A blower type fan would probably be a better choice for this application where you are going to have some negative pressure between the fan and the intake with airflow resistance and so much spacing and few fan blades around the actual fan once the filters build up some dust you might just have air flowing back around the blades from one side to the other rather then through the unit and stress the motor.
I made something like this years ago except used a ceiling fan for bathroom exhaust to create a negative air pressure inside the box and ran flexible drier ducting to point the exhaust and had the filters face down with the box on some legs giving it a few inches off the floor. Instead of 3 separate slotted filter spaces I took 3 of the same kind of filters and layered them on each other with activated carbon layered in the two sections between the filters and used aluminum tape to seal that up with some thin foam type self stick window weather stripping on the bottom and edges to act as a seal between the casing and filter. The carbon is the same black stuff used in fish tanks and helps to remove the very fine particles and even odors from the air used to be maybe ten bucks for a pound at the local pet shop. It worked very well and you could have easily made it intake from the filter box or run some flexible ducting from an inline blower into the box. Different purpose I guess and intended to purify air rather then be a high flow visible dust filtration for a shop.
+NoSuspect thanks for the long rely. I would like to answer a few of your questions. Yes, the filters have mesh in both sides. Also, I used the fan because it was free and available. I would have used a squirrel cage blower if i had one. Maybe then next time one becomes available I'll make a new one.
Can we use this filter in a pollution factory or it really works in any kind of pollution..??
Not this filter. But you oulf buy a higher rated filer.
Why so many filters?
Nice work, although there do appear to be some gaps air around the edges of filters, which would allow air and fine dust to leak past. Read a comment elsewhere suggesting that this kind of air filter could benefit from some weather stripping. Again, nice work. That fan - was it an attic fan, or what?
Yea it was an old attic vent fan that was pulled out of a Reno. It could definatly be sealed better. Thanks for the support.
It's not a big deal because this is an air cleaner, not a dust separator. If some dust particles squeek through on the first pass, they'll get caught on the 2nd or 3rd passes.
Yes, attic fan.
Great video! Subbed! I am working on a similar project and was looking for inspiration. I especially liked the ide of using an exhaust filter as well.
If you have the inclination, stop by my tiny channel and show some support. Cheers.
Disclaimer...I never leave negative comments but in this case ....A 2 wire motor so it doesn't have a ground ??? The armored cable IS the ground in this case and it is to be installed in a METAL junction box that IS grounded to maintain ground integrity. Please don't wire things.... you don't have a clue what you are doing and this is not safe. Electrical work is NOT a hobby do not attempt if you have no experience.
Noted
You lost all credibility when you used garbage for a junction box. A junction box in that bad of shape serves no purpose. A brand new one is what......two or three bucks.
pretty dumb statement, Tim. Cracked or not...it still, clearly, served "it's purpose" because it f'ing worked. That's how you know if it's serving the purpose. Hell, you can't even see the crack once the project is complete.
Your comment is literally pointless Tim...
Folks, I agree, but it may be that Tim is speaking from the perspective of code compliance. Junction, outlet, and switch boxes are designed to isolate wiring from potentially combustible materials. In this application, the broken box may allow dust particulates to accumulate on and around the wire. Granted, the chance of combustion is small. I'd have a greater concern over fine dust accumulating on and around the exposed pole motor. One spark in an environment laden with fine dust (note the builder isn't using HEPA filters) and you've got a fire. The fan used is an area exhaust fan. A better and safer option for these dust filtration systems is either a sealed pole blower or a squirrel cage blower.