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Dust Collector

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Blog entry by chazmonro posted 01-20-2013 01:02 AM 2188 reads 13 times favorited 14 comments Add to Favorites Watch

I modified my Harbor Freight dust collector.

I run it through a dust separator first which works like a charm, and then the fines end up in the black can. I was tired of struggling with the bags so I added the black plastic can, i went overboard on the lever latches.

-- Chuck [Elgin, IL]



14 comments so far

View DIYaholic's profile

DIYaholic

13752 posts in 1361 days


#1 posted 01-20-2013 01:10 AM

I must say nice job.

I am most impressed by the filter cleaning paddle!!! Any words of wisdom (more pictures) for those that WILL want to incorporate this into their HF DC???

BTW: Over engineering is NOT a bad thing!!!

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procratination a bad thing?

View chazmonro's profile

chazmonro

43 posts in 2558 days


#2 posted 01-20-2013 01:25 AM

The flappers in the filter are honestly just small pieces of hardboard I had laying around and a 3/4” piece of maple. In the bottom end I threaded a 1/4” lag bolt into the maple and then cut the head off so that it would slip into a hole in a piece of 1/4” luan that I bolted to the bottom of the filter. So thats what the shaft spins on, on the top I put a 3/8” carriage bolt and cut the head off… I used a couple nuts and a washer to bolt the board on the top. to spin the flappers. The flappers themselves are 7 1/8” give or take and I rounded the corners and sanded them smooth so they wouldn’t tear at the filter material. Each flapper is held on with a couple screws… I had to put one of the flappers on after I slid the assembly into the filter, but one of those small bosch impacts fit and drove the screws in. You might have to play with the flapper positions, but that was the easiest part of the project for me to be honest… cutting the ring to mount the dust collector to the can was the most labor intensive, but it came out perfect, and I used a ton of silicone to seal everything!

-- Chuck [Elgin, IL]

View DIYaholic's profile

DIYaholic

13752 posts in 1361 days


#3 posted 01-20-2013 01:49 AM

Thanks for the information. It is greatly appreciated!

I will soon be tricking out my HF 2HP DC, with a Thein Top Hat seperator, repositioning the impeller/motor and adding metal ducting throughout the shop. The filter cleaning flaps will certainly be incorporated.

Again, thanks for the details.

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procratination a bad thing?

View a1Jim's profile

a1Jim

112296 posts in 2263 days


#4 posted 01-20-2013 01:50 AM

Well done.

-- http://artisticwoodstudio.com Custom furniture

View gfadvm's profile

gfadvm

11224 posts in 1376 days


#5 posted 01-20-2013 02:24 AM

Great job on those mods.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View woodworkerscott's profile

woodworkerscott

362 posts in 1500 days


#6 posted 01-20-2013 03:43 AM

This is very cool. I have a HF dust collector, been using it for years..no problems. I am really interested in your replacing the bag with a container. I have been considering this myself. How did you flange this or get the closure ring to be air tight for good suction and attachment to the container? Any pics or info would be great.
Thanks for posting this great idea.

-- " 'woodworker'.....it's a good word, an honest word." - Sam Maloof

View chazmonro's profile

chazmonro

43 posts in 2558 days


#7 posted 01-20-2013 07:46 PM

For the flange I made to connect the can to the dust collector what I did was I measured the diameter of the green ring that the filter attaches to, as I reacall it was 19 1/4”. I cut a 1/2 slot because the green metal thing wasn’t exactly perfectly round. The can has a rim that is 1/2 inch thick, so I cut that slot a little over 1/2 inch, the diameter is 22 inches I believe. I put a piece of adhesive weather stripping in that slot so the weight of the filter and everything compresses down onto the can sealing it. I put the lever latches on to make sure that the can would stay sealed against the air pressure inside, which really isn’t that much… the green dust collector is attached to the flange with a lot of silicone. It feels air tight to me… the air wants to go out the filter, and I haven’t found any leaks yet, but I’ll keep an eye open. I’ll post more pics in a little while.

-- Chuck [Elgin, IL]

View chazmonro's profile

chazmonro

43 posts in 2558 days


#8 posted 01-20-2013 07:59 PM

I ha an old piece of counter that I used to make the flange out of, it was just sitting around, thats why I used it. As you can see I cut a 1/2” slot for the can to slip into and I put some weather stripping in the slot to seal the can, the camera angle is strange, the weather stripping is in the center of the slot.

In this photo you can see… well kinda see… that I sealed the inside of the metal dust collector ring from the inside with silicone. I filled the slot with silicone first, pressed the metal ring into the slot, when that was dry, I went around the edge where the metal entered the slot and sealed that with more silicone, I don’t think this will ever leak.

This is how I mounted the bottom of the flappers, I just used a 1/4” piece of ply and a 1/4” bolt with the head cut off.

-- Chuck [Elgin, IL]

View chazmonro's profile

chazmonro

43 posts in 2558 days


#9 posted 01-20-2013 08:00 PM

I haven’t run a lot of dust through it yet, but a little. Here is a pics of the black can, hardly anything, just the finest dust.

The bulk of the dust is in the separator.

-- Chuck [Elgin, IL]

View DIYaholic's profile

DIYaholic

13752 posts in 1361 days


#10 posted 01-20-2013 08:11 PM

Nice pictoral documentation. Thanks for providing it!

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procratination a bad thing?

View NormG's profile

NormG

4254 posts in 1689 days


#11 posted 01-21-2013 12:57 AM

Like Jim said, this is a well done project

-- Norman

View TheMOX's profile

TheMOX

2 posts in 984 days


#12 posted 01-23-2013 04:14 PM

Very nice HF mod. I was curious as to the method of construction for the top hat, specifically what type of plastic is the wall of the top hat? Do yo have an image of the transition from the wall of the top hat to the duct?

View pintodeluxe's profile

pintodeluxe

3441 posts in 1499 days


#13 posted 01-23-2013 05:34 PM

1+ on TheMOX’s question. I gotta have a clear one. The kids would love to see the dust swirling around.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View chazmonro's profile

chazmonro

43 posts in 2558 days


#14 posted 01-23-2013 05:47 PM

To be honest I don’t exactly know what the plastic is, I think it’s plex. I was given a bunch of this stuff from a friend years ago. It’s about 1/8th inch thick and I cut it to 7.5” wide… I don’t remember the length… I cut dados into the top and bottom plate 1/4” deep, and slowly put the plastic into those dados (thankfully I didn’t crack it) and then used Silicone to seal them up. The corner where the dust comes in is made of wood with a 4 inch piece of PVC siliconed in. I’ll try and take some pics of it tonight.

-- Chuck [Elgin, IL]

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