Dust Collection Solution CHEAP! - Page 2 - Router Forums

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post #11 of 47 (permalink) Old 12-28-2016, 11:17 PM
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I think the 1790 cfm is an inflated number. I don't think you can actually make 1790 cfm with a China made 2 HP and 10 inch fan. My guess would be less than 800 cfm from the reading I have been doing.

Check this link. I think this is where I found my info.

Dust Collection Research - Home

There is a index table some where. I will look for it.

PS
I found this on Bill's site.
In spite of the exaggerations, citing maximum airflows and testing tricks all major brand name small shop dust collectors and cyclones sized over 1.5 hp provided the 350 cubic feet per minute (CFM) needed for good chip collection but no dust collector under 3 hp or cyclone under 3.5 hp provided the 1000 CFM airflow that our vendors who guarantee air quality established that we need for good fine dust collection.

There is a lot more and it is easy to get lost on his site. But it's the best info I have seen.
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Last edited by coxhaus; 12-28-2016 at 11:36 PM.
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post #12 of 47 (permalink) Old 12-28-2016, 11:31 PM
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Originally Posted by coxhaus View Post
I think the 1790 cfm is inflated a number. I don't think you can actually make 1790 cfm with a China made 2 HP and 10 inch fan. My guess would be less than 800 cfm from the reading I have been doing.

Check this link. I think this is where I found my info.

Dust Collection Research - Home

There is a index table some where. I will look for it.
I was kinda wondering that myself , thanks

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post #13 of 47 (permalink) Old 12-29-2016, 12:29 AM
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post #14 of 47 (permalink) Old 12-29-2016, 12:40 AM
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With all this said, something is better than nothing when it comes to dust control. Harbor Freight is a cheap DC to get started. New it is probably the cheapest out there.

If you exhaust it outside you probably have the best setup for cheap. Running a filter you take a hit in performance and running a cyclone you take another hit in performance.
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post #15 of 47 (permalink) Old 12-29-2016, 01:04 PM Thread Starter
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With all this said, something is better than nothing when it comes to dust control. Harbor Freight is a cheap DC to get started. New it is probably the cheapest out there.

If you exhaust it outside you probably have the best setup for cheap. Running a filter you take a hit in performance and running a cyclone you take another hit in performance.
@coxhaus To run a line outside, you would need to make a plywood cap and clamp it to the top of the unit with a port in the middle to attach the exterior hose. But you will be amazed how much sawdust spews all over your yard.

Some time ago, someone posted a double drum filter pack they'd made with very tall filters, and an input chamber (box) on top and a dust settling box on the bottom with a tight fitting door for easy cleanout. You could run the hose through the wall and into this filter, which could be installed in a luvered box attached to the outside wall. The filters were probably 48-60 inches tall and a double set would really facilitate air flow.

The filters were folded paper encased in metal casings of perforated metal. Use compressed air once in awhile to clear the filters, "shovel" out the bottom box and you're up and running again. You could put this inside a shop if the filters were 1 micron. Filters inside avoid pumping out warm or air conditioned air. All kinds of ways to skin the DC cat.

The more I do, the less I accomplish.
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post #16 of 47 (permalink) Old 12-29-2016, 01:31 PM
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@DesertRatTom

What was the price on the Wynn filter? I have an old Delta Dc systen with an upgraded cloth bag but I understand the Wynn would be a najor improvement.

Thanks in advnace.
Jon

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post #17 of 47 (permalink) Old 12-29-2016, 01:54 PM
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Tom I totally agree. For the price this is a great dust collector. I want to add the filter but haven't got around to it yet. Even with the cost of the filter added in it is still cheaper and better than many units out there.
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post #18 of 47 (permalink) Old 12-29-2016, 04:39 PM Thread Starter
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@JFPNCM The WEN filter unit that hands from the ceiling is down to $129 on Amazon, which is where I got my first one. Will buy another for the garage after I have someone drywall the ceiling. I bought a couple of extra flat 5 micron filters, but someone recently showed that they just blew it clean with compressed air. I just don't want to bothre so I'll use fresh filters.

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post #19 of 47 (permalink) Old 12-29-2016, 04:51 PM Thread Starter
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@billyjim Here is the site for the Wynn woodworking filters. I believe the correct model is the 35 A, I got the 1 micron unit, which is more, but just right for indoor use. https://wynnenv.com/products-page/wo...ilter-pricing/

This is a standard model, V35A274BLOL Cartridge Kit Open at the bottom with gasket closed at the top. 17.5” x 23”, outer cage, no inner cage 274 Sq. Ft. of MERV 10, 80/20 blend filter media Included: Instructions, (2) clear poly dust bags, (3) FGL-U latches used for mounting the filter. Price: $129.00

These are pricey, but if you blow them clean once in awhile, they will last for a very long time, particularly in a small home shop.

As I've said, I don't get a toaster for sharing this, but up to now, none of my home made solutions hold a candle to the effectiveness of this DC system, particularly with the Wynn filter. I am a throat cancer survivor, believe me, you don't want to breathe sawdust, which often contains carcinogenic chemicals.

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post #20 of 47 (permalink) Old 12-29-2016, 10:01 PM
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Thanks Tom.

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