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Bag Holder for Cyclones or Other Dust Collectors

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Forum topic by Kelly posted 05-15-2016 11:43 PM 723 views 0 times favorited 3 replies Add to Favorites Watch
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Kelly

1110 posts in 2405 days


05-15-2016 11:43 PM

Topic tags/keywords: cyclone dust collector collector bag bag holder vacuum hold down fencing dust bin collector bag tip dust disposable bag cyclone bag holddown bag hold down air quality

I picked up a box of clear lawn bags from a big box. It’s nice being able to just toss the bags, when full. However, I haven’t been able to use them in my collector barrel for the cyclone, because of the common problem of the bag getting drawn up.

A week or so ago, I bought a roll of fencing with a pattern of, approximately, 2-1/2” x 5” openings. The plan was to make tomato plant cages, since the ones places sell are far too small for the size the plants grow here. I got all the cages done by measuring the diameter of the pots (e.g., cut off wine kegs) my sweetie was using, then making a circle with that diameter off the roll and cutting it there.

I cut in the middle of the wire of each rectangle. That left enough, on both ends and the next cage, to loop the wire sticking out over another wire to hold the cages together.

I was looking at plywood, and my collection of PVC pipe, while mulling over the collection bag problem when it dawned on me I had about fifteen or so feet of fencing left. Using the same approach I used for the cages, I made a cage to insert in the barrel.

I had to cut about six inches off the top to get is to fit the barrel. I left wires about a half inch long on those too, so those could be looped back.

With all the cut wires looped back, there are no snags to catch on bags, or on your hand, if you have to dig around inside, like I had to today, to reclaim a couple tools the cyclone stole.

I fired up the jointer, then the planer and cleaned up a bunch of boards a friend dropped off the other day and the project filled the bag about 2/3 full. The cage worked perfectly for holding the bags down and against the side.

I was still able to see how full the barrel was through the view port too.

Because the metal wire is so thin, it’s a snap wiggling the cage and pulling it out of the barrel. If you are careful, only the smallest bit of dust gets drug up, out of the bag.

The photos are, obviously, of the tomato plant cages. I was preoccupied with the project, so didn’t get photos of the actual application, but I thought these might help for visualizing the solution.


3 replies so far

View CopperTree's profile

CopperTree

50 posts in 519 days


#1 posted 05-22-2016 07:21 AM

Looks to be a good solution. I’ve been wanting to use bags in my dust collector barrel, this just may be the answer. Thanks!

View WhyMe's profile

WhyMe

611 posts in 1021 days


#2 posted 05-22-2016 02:55 PM

If the bag is getting sucked up into the cyclone the problem is an air leak. If the barrel is completely sealed then the bag should not get sucked upwards. Air is leaking around the view window or where the barrel and bag come together at the top lip. Air leakage at the barrel also means you have reduced suction at the intake, although it may be minor.

View Kelly's profile

Kelly

1110 posts in 2405 days


#3 posted 05-22-2016 03:43 PM

The veracity of the statement aside, it remains companies that sell cyclones have bag holders for sale too.

I ran around mine with a smoking ember. No leaks were indicated at any point around the view port or the lid, but the bag still got sucked up. Obviously, the leak, if any, was minute.

Perhaps, if I was using heavier mil bags, they would less likely to be drawn up. However, I like the idea of just pulling the bag and tossing it, with no thought to cost [because they are inexpensive, clear lawn bags).

It would not be remotely practical to waste much of my day trying to find such a leak every time the system was emptied. An inspection of the bags at the collector reveals I’d have to empty those about every five to ten years.


If the bag is getting sucked up into the cyclone the problem is an air leak. If the barrel is completely sealed then the bag should not get sucked upwards. Air is leaking around the view window or where the barrel and bag come together at the top lip. Air leakage at the barrel also means you have reduced suction at the intake, although it may be minor.

- WhyMe


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