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Dust Collection Upgrade - Wynn Filter and Oneida Cyclone

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Project by HankLP posted 08-12-2020 01:41 AM 923 views 2 times favorited 5 comments Add to Favorites Watch
Dust Collection Upgrade - Wynn Filter and Oneida Cyclone
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THE SITUATION: It’s been three years since I installed the Harbor freight dust collector in an outside shed with a home-built chip separator and a new Wynn filter. The chip separator took out the big stuff, but still passed a lot of dust (maybe 20%) which would settle in the filter or the bag. The filter was cleaned out regularly with compressed air as recommended by the manufacturer when the manometer showed an inch (water) of back pressure. This occurred two or three times a year until this summer when the back pressure went up to two inches in a matter of days. It was obvious that it was time to replace the filter.

THE FIX: The cost of the new Wynn filter is about $150 so an Oneida four inch cyclone was added to hopefully extend the filter life. It was a bit of luck that the cyclone fit between the fan housing and the trash can. There is just enough flexible hose between the two to lift the cyclone and slide the trash can out. There was also a piece of lexan left from my last project so a window was added in the trash can to monitor the saw dust level.

THE RESULTS: In addition to greatly improved air flow, little if any visible dust is getting to the bag under the filter. Oneida’s claim that 99% of wood waste is removed before reaching the filter is plausible. All together the cost for filter and cyclone was ~ $350 so I’m hoping to get at least six years before the next filter replacement.





5 comments so far

View therealSteveN's profile

therealSteveN

6245 posts in 1422 days


#1 posted 08-12-2020 05:08 AM

This sucking of sawdust is expensive stuff. Glad you got less going to the filter with the cyclone.

-- Think safe, be safe

View clagwell's profile

clagwell

293 posts in 640 days


#2 posted 08-12-2020 10:39 AM

Nice. It looks like you have that in a shed outside you shop. Keep an eye on the bag under the filter, you might be able to get rid of the filter and the bag and the separator ring holding them.

Could you post a photo of your old separator?

-- Dave, Tippecanoe County, IN --- Is there a corollary to Beranek.s Law that applies to dust collection?

View Underdog's profile

Underdog

1523 posts in 2884 days


#3 posted 08-12-2020 07:22 PM

Nice. This is almost what I had in mind to get rid of the noise in the shop. Put that darn compressor out there too!

-- Jim, Georgia, USA

View James E McIntyre's profile

James E McIntyre

890 posts in 2140 days


#4 posted 08-12-2020 08:06 PM

Great set up Hank.
I have a cyclone before my bag and it takes out about 90 percent of the dust.

-- James E McIntyre

View HankLP's profile

HankLP

132 posts in 1350 days


#5 posted 08-13-2020 01:00 AM

Thanks y’all for your interest in this project. I believe I owe both Oneida and Wynn write-ups in the review section for the cyclone and the filter.

ANSWERS TO QUESTIONS:

1) Pictures and description of my original shop-built chip separator can be found in my projects folder dated 03-01-2017. Just follow the link https://www.lumberjocks.com/projects/302898 and the project should open in a new tab.

2) The next project https://www.lumberjocks.com/projects/305434 dated 03-14-2017 is the original installation of the Wynn filter. An additional baffle was also added above the plastic collection bag to calm the turbulence allowing dust to settle out and stay in the bag.

3) Another project https://www.lumberjocks.com/projects/337137 dated 09-13-2017 is the completion of the exterior shed for the dust collector. In addition to reducing the noise level, it opens up a lot of floor space, and simplifies cleanup and maintenance of the system. It also means that dust particles less than 1 or 5 microns which pass through the filter are removed from you shop space.

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