If you use a Shop-Vac only, it will very quickly fill and clog. You'll go through lots of bags. I made a stacked rack with a cyclone bucket on top and the BIG shop vac on the bottom. It works great, and you only have to empty the cyclone.
Then I got a dust collector from Harbor Freight. Harbor Freight Dust Collector It actually takes up less space than my shop vac setup. Some folks buy the smaller unit and mount it on the wall. Soon after I got it, I changed out the upper bag for a 1-micron version. Dust Collector Bag, 1-micron. Well worth the upgrade.
Recently, I added a Wen Air Filter. That really cleans the air up. Works great for a small shop.
Post by traindriver on Feb 19, 2018 20:09:16 GMT -5
I used a 16 gallon shopvac for about a year, graduated up to the Harbor Freight small dust collector, and now have two Supermax dust collectors. The only issue with the Harbor Freight dust collector is that it leaked along the seam between the two pieces of metal that make up the housing. Silicone caulk fixed that, though. Yes, the shop vac does have enough suction, but I did spend a lot in bags. The 30 micron bags that comes with the HF unit does okay, since you are mostly making chips, but there is some dust created.
I started out with the 2hp harbor freight collector and quickly did surgery turning it into a frankencollector. The hf motor assembly pulls straight from a super dust deputy attached to a 55gal poly barrel. PVC piping with 4” blast gates on each tool and whatever I am working on is pretty much dust free. The motor vents outside the shop to atmosphere so I didn’t have to worry about filters. I empty the barrel about once every 2-3 weeks to refill the chicken coops.
While making my first cut in my new-to-me AR6, I realized why the previous owner had a dust collector.
I don't have a lot of room for a full-size collector in my small ~10'x12' shop it's in.
Is anyone using a Shop-Vac (or Festool-style) collection system? Do these have enough suction for the job?
I appreciate any suggestions!
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This dust collector is comparatively lightweight, which makes it really easy to move around. Users also praise the product for being easy to assemble. The removable key and safety switch makes the device a good choice for the ones who have shared workspaces and aim to optimize the safety factor. Its main feature is that the commendable suction has ability of 800 CFM.
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I realize this post started some time ago but figured I'd offer my $.02. You can use a large shop vac but I'd recommend adding a cyclone inline (think dust genie). That way you collect most all of the dust/chips in the cyclone barrel and not have to buy expensive shop vac bags. I also recommend you buy the sheet rock dust bags for your shop vacuum which cuts way down on the fine dust. Another critical part of this is to make sure you ground the system. Static can cause some nasty problems including wasting a precious piece of wood and cnc time. It's simple as adding a wire to the hose for the vacuum system and grounding it. You can use grounding tape to attach it to your dust boot or a regular wire connector screwed into the dust boot. Test it. If you can feel your cnc raising the hair on your arm get it grounded until you don't.
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