Cyclone Dust Collection - Page 2 - Router Forums
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post #11 of 27 (permalink) Old 02-28-2019, 07:42 AM Thread Starter
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Yup, all the seams were taped when installing the duct and I do have a seal on the lid. Also caulked all the pipes joining the blast gates and sealed the swivel in the elbows. I used almost 3 rolls of tape to seal every joint and even did a smoke test and didn't find any leaks. I've been using it a few months now and am very happy.
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post #12 of 27 (permalink) Old 02-28-2019, 09:15 AM
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The way my 30 gallon galvanized can lid was sealed with that 1-1/2" rubber foam tape as described in my first post, when the system is started the can is literally lifted an inch or so off the floor if empty. Having filled those stacked filters once before taught me all I needed. I also used a self taping screw that had a washer like feature to firm up the pipe and fittings connection. None is glued. Over the screws,usually 2-3, I used 3" metal tape which seals extremely well. The idea is to have it where it can be altered if needed in the future. When installing my CV1800 I was advised not to use tees but rather wyes to maintain the cfm. They had also advised having as much straight pipe possible before entering the cyclone itself. I ended up using almost all 6" PVC and reduced to 4" at the closest point I could to the equipment. One of my biggest complaints with the manufactures of the fittings is both in sizing and style. Seems that the fittings are sized either for the pipe or the hose. Problem is with PVC, different types of PVC have different outside diameter. What I used was the recommended "green" PVC SDR-35 but depending on where you live there seems to be other choices. Some of those are a more narrow outer diameter (thinner) while others are thicker. So fittings need to be considered before buying and running the pipe. Make sure you can get the wyes and preferably 45s instead of 90s as well as any other style fitting you may need.

As to getting the wire reinforced hose there are a number of ways to persuade it to go on the pipe. Sometimes using a heat gun will help stretch the pipe enough, sometimes you may need to carefully cut the wire out of the end section enough to fit over the pipe 3-4" and clamp, sometime both are needed. A loose fit and you'll end up with sawdust packing the void from where the clamp closes down on the pipe.

As for fittings, I'm surprised at what's available. Most adapters I've seen for 6" to 4" are like stacked cans. Meaning that the 6" part is like having a flat end with a 4" hole and tube which causes a good deal of turbulence which is the last thing you want. A conical transition from 6" to 4" is far superior. If you are considering running a piped system then I think it's best to have a drawn plan and sketch out how you would run the pipe. Then do an estimate of all the parts needed to install and go to your supplier and actually make sure they have, or can get, the fittings you need. Actually fitting those to a piece of pipe will make sure they will give you what you need. Had I not been installing this by myself I probably would have gone with Schedule 40 PVC as it seems to have a more available selection of fittings but it is heavier. The very thin wall pipe wasn't available in my area at all. SDR-35 was a compromise but worked well after hunting done what wasn't found locally. If budget wasn't a concern I would have used the snaplock metal pipe that is made specifically for dust collection systems. In that case you'll likely spend far more in pipe and fittings than the DC equipment itself but it will be a very nice system.
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post #13 of 27 (permalink) Old 02-28-2019, 11:50 AM
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Jeff
What style pipe did you use? Did your purchase from local HVAC or big box store or order via a company? I am contemplating a cyclone, either Oneida Dust Deputy Super XL or the Clear Vue CV1800 product Steve used. I like the idea of the metal piping for grounding etc.
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post #14 of 27 (permalink) Old 02-28-2019, 12:43 PM
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Don't know whether this will work, but the HF impeller can be replaced with a Rikon impeller for a big improvement in air flow.

On the filter, Grizzly at least has one with a cranked flapper that knocks dust off the inside of the filter. Not cheap, but I think I'd prefer it to the Wynn steel filter I have now. Makes it simple to clear the filter with no fuss. Walk by, give it a few cranks, improve performance. Easy Peasy.

One last thing for me, I agree with gluing a little peep hole cover into the wall of the can.

The more I do, the less I accomplish.
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post #15 of 27 (permalink) Old 02-28-2019, 02:28 PM Thread Starter
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I bought all my pipe and fittings from Menards when it was 11% off. I'm not sure the exact cost of what I got because I bought extra then took back what I didn't use. And I got the Dust Deputy XL because I wanted the 6" In, 6" Out and 6" drop. It made it a lot easier to connect everything. I cut a 3/4" piece of birch plywood to mount the motor on the wall and a couple 2 x 4's with a radius to match the radius of the drum for a clean look.
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post #16 of 27 (permalink) Old 02-28-2019, 05:08 PM
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It sure looks great Jeff. You were a man on a mission with attention to detail.
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post #17 of 27 (permalink) Old 03-04-2019, 08:53 AM
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Quote:
Originally Posted by DesertRatTom View Post
Don't know whether this will work, but the HF impeller can be replaced with a Rikon impeller for a big improvement in air flow.

On the filter, Grizzly at least has one with a cranked flapper that knocks dust off the inside of the filter. Not cheap, but I think I'd prefer it to the Wynn steel filter I have now. Makes it simple to clear the filter with no fuss. Walk by, give it a few cranks, improve performance. Easy Peasy.

One last thing for me, I agree with gluing a little peep hole cover into the wall of the can.
Hey Tom:

Which Rikon impeller did you use and did you order from Rikon directly?
Also, what cyclone design/build did you go with in the Uline 30 gall drum?

Asking for a friend, lol!!!

Thx Young Man
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post #18 of 27 (permalink) Old 08-27-2019, 10:56 AM
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Wynn is good! And your shop looks great!
I would definitely save up for a cartridge filter since they are more efficient in the long run.
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post #19 of 27 (permalink) Old 08-27-2019, 11:34 AM
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Quote:
Originally Posted by tulowd View Post
Hey Tom:

Which Rikon impeller did you use and did you order from Rikon directly?
Also, what cyclone design/build did you go with in the Uline 30 gall drum?

Asking for a friend, lol!!!

Thx Young Man
I'm still using the original impellers. I can't seem to find the part number. I mentioned it because someone here did a whole long series on the topic. It dramatically increased the CFPM according to his tests.

I have the 5 - 6 inch Super Dust Deputy now. I placed this in a sealed in space between my shop shed and office shed. This allows me to return the filtered air back into the shop. The picture shows the setup. The collection hose if flexible 27 ft Rockler hose. It goe to a through the wall port into the chamber, into the cyclone which is set on the drum. The air then goes into the HF DC, then out through the drum filter. It returns through another 20x20 filter (upper right) back into the shop. Since the picture was taken, I've shortened and straightened the hose from wall to cyclone and sealed the heck out of everything. Works well and I get my heated, cooled air back, which is good in our HOT COLD desert climate.

Pix one shows the old setup with the rockler chip collector, the other shows the new setup. That hose connector up front is now much shorter (14 inches) and straighter. You can see the return air vent and filter in the upper center. This chamber is about 52 inche wide and about 8 ft long. The chamber is pretty well sealed to retain as much cleaned air as possible. Some day I dream of engineers making connectors and ports to specific sizes so the fit together easily.
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Last edited by DesertRatTom; 08-27-2019 at 11:49 AM.
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post #20 of 27 (permalink) Old 08-27-2019, 11:42 AM
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Here is the info on the Rikon impeller. Rikon Service #: 877-884-5167 M-F, 8-5 EST. ask for the impeller for 60-200. It was $119.00 + shipping a couple of years ago.
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