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dust collection

Charlie Knighton

Charlie Knighton

Joined
Jan 20, 2006
Messages
2,052
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382
Location
Martinsville, VA
any opinions on two stage dust collection hood lets wood chips fall into a trash can????????

woodworkers supply has such a item for sale,

also any opinions on noise suppression for dust collector???????
 
I'm certain you'll get lots of responses on this. I've used a trash can type first stage for five or so years and like it for cleaning up my shop floor and around my lathe to collect wood shavings and such. Don't use it for direct connection to my band saw or belt sander though. Although I've heard many that put their dust collector outside their shop, mine is inside, some distance from my tools and that works OK. It's a lot quieter than my old oil-less air compressor!
 
Oneida makes the best systems out there that I have seen. A cyclone is a must eventually. You will get some chunks of wood, rags, shavings, a light bulb, the cat, or whatever sucked into the collector. Without the cyclone, anything sucked up first has to go THROUGH the impeller or fan blades that apply the suction. This will clog them up, bend, and/or break them. I have a centralizes system, which is in a closet. There is as much noise from the air going through the ducts as there is from the motor, but it isn't bad. Ideally, I would have an outdoor shed for it and the compressor so it isn't taking up shop floor space. I do vent the air back into the shop, and with a 1 micron filter, and good seals on the ducts, there is no dust emitted back into the shop. Do get a pleated paper filter if you can. You get several times the surface area for the collector to vent into than you do with the bags.

robo hippy
 
Have one like that

I have a system that I believe is similar to what you describe. Mine is by Grizzly. Have had for just over a year. So far the bigger chunks and paper towels have landed in the trash can and not been sucked up into the vanes. The bottom bag collects the smaller particles and the air exhaust out the upper bag. Noise is not too bad and it's very close to the lathe and bandsaw.
When I relocate my shop I do plan to enclose it in a closet.
 
I made a variation of Phil Thien's baffle, it works great.

Take a look at the page I put together that shows how I configured one of my dust collectors.

It has links to pages about the Thien baffle.

I've made one with a trash can, and two using 5 gallon plastic buckets (to use with a shopvac and a Festool dust extractor)

All are working perfectly, almost no dust or debris actually gets to the dust collector, it's all trapped in the cans.
 
+1 for the Thien baffle. I added mine inside my Harbor Freight DC (with a Wynn pleated filter) and it has made a big difference in the amount of solids making it to the filter. I would imagine on a trash can separator it'd be golden.
 
I have been using the Lee Valley trash can lid separator with my Jet 650c ( has a pleated filter)
After a couple years I have emptied the trash can a number of times, but have accumulated about 8 inches of sanding/saw dust in the original bag.
I sucked up a plastic shopping bag once that got caught in the impeller.
Not bad for about 5 years. Perhaps I have been lucky.
Before that I used a shop vac with a clean stream filter and a smaller trash can separator. It wasn't so good with shavings.

Mark.
 
I have an old Delta DC with the motor/impeller on top of a trash can. Works fine for other things, but a 4" hose will clog almost immediately on the shavings I make. It's for planers, tablesaws and such. Works very well, but shavings make big lumps that don't even make it through gentle curves a lot of the time.

I'm dropping the shavings into a bag as they're generated, and I don't have to do a lot of secondary cleanup. Highly recommend it.
 
I modified my garbage can separator with a Phil Thien baffle, and also put one in the center ring of my two bag DC. I replaced the top bag with a Wynn filter, and the bottom with plastic. I did this last January, and have emptied the can numerous times, and the plastic bag has perhaps 1-2 inches of fine dust.
This system works extremely well to keep the filter clean, which is the name of the game.
I don't try to catch all the turning shavings, and most end up on the floor, which are easy to shovel up. The DC gets most of the dust generated while turning, and pretty much all of the sanding dust.
I love this system.

Bob
 
I agree with others...the big curlies coming off a turning just don't suck well through DC piping...even with a trash can separator. I use my trash can separator for my planer only. My DC is used when I am sanding a turning. All the rest winds up on the floor and is swept up into trash bags.
 
I like the garbage can seperator. As others have said it really saves the day when you suck up something you didn't want to. It's hard to change the bag in my dust collector but very easy to empty the garbage can. I empty it about 5 times or more for every 1 time on the dust collector bag.
 
I just started using a chip collector and am now using my "dust" system to suck up my chips... (floor cleaning etc)

But here is my question:

I have one of the Rockwell collectors that attache to the wall with a cloth filter bag that hangs down... I got the one that handles the really fine micro particles. I'm thinking about taking it down, emptying it out, turning it inside out, giving it a good throttling.... AND THEN THROW IT IN THE WASHER WITH COLD WATER to get all the fine stuff out of it....

Any thoughts on this?

TL
 
Ditto on the seperator works great I have a 2 HP grizzly and have no problem picking up the shavings if it fits in the hose its gone.It is quite noisy though so I put outside the shop in a little enclosure.
 
Tony Latham said:
But here is my question:

I have one of the Rockwell collectors that attache to the wall with a cloth filter bag that hangs down... I got the one that handles the really fine micro particles. I'm thinking about taking it down, emptying it out, turning it inside out, giving it a good throttling.... AND THEN THROW IT IN THE WASHER WITH COLD WATER to get all the fine stuff out of it....

Any thoughts on this?

TL
Click to expand...

The old army blanket type wool bags? Go outside, stand upwind with protection and shoot air the opposite way through it. Those bags will collect for long period before they start to plug. So long that you might just replace rather than try to rejuvenate.

If you're going to try to wash, use the machine of someone you hate.
 
That compressed air from the outside in sounds like a better idea..... There aren't a lot of people I hate that I'd trust with ANY of my shop stuff..... sure as heck they'd shrink it.....😱

TL
 
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