When doing woodworking, air purification becomes a big deal. Go on YouTube and look at any of the woodworking vlogs and you will see that even hobbyist woodworkers go to great lengths to control the dust in their shops. Here are some examples.
I have barely done any woodworking as of yet and already the dust levels in my dad's workshop are becoming intolerable. Unfortunately, most dust collection and air purification solutions are rather costly, so you see a lot of people going the DIY rout.
I tried using the 20x20x1 furnace air filter taped to the back of a box fan scenario, and while it did capture some dust, it was just too inefficient. I have seen several variations on this theme that claim to improve efficiency by creating more filter surface area, and thus more air flow. So I thought I would give that a try. But I didn't want to make a large box that would take up valuable floor space. I thought about hanging it from the ceiling, but that seemed like a lot of effort. So I decided to build a box out of the wheeled parts cart that we already have in the shop. We never use the lower level anyway, so I could just box in the lower level with air filters and a box fan and create a movable air cleaner cart that doesn't take up any more room than was already being used.
2P-10 CA glue. It doesn't need to be terribly secure. Who knows if this thing will even work. Until I assess its effectiveness, I'm not too concerned about making this thing a permanent fixture.
After about a week of use, I'd say it seems to be working pretty well. I've vacuumed off a good amount of dust from the outside of the pre-filters, maybe three times so far. I haven't taken the pre-filters off to look at the main filters yet, but I suspect they are still pretty clean. I've been doing a lot of turning and sanding this past week, and I leave the cart running while I am in the shop. There is still quite a lot of dust that settles over everything in the shop, but I do feel that the air in the shop seems a little cleaner.
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