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Dust Collection Idea

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Forum topic by Mechanical_Max posted 06-05-2017 04:08 PM 278 views 0 times favorited 4 replies Add to Favorites Watch
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Mechanical_Max

8 posts in 204 days


06-05-2017 04:08 PM

Topic tags/keywords: dust collection cyclone clogging new idea

Hey everyone,

In my research of dust collection and different power tools, I have found that a common issue with using jointers and planers with straight knives is that, since the chips created are larger, they tend to clog the dust collection piping. My idea that I wanted your input on is if it is reasonable or would be beneficial to add a cyclone near these tools so that the large wood chips would be removed within a few feet of the tools and not travel through the dust collection piping. I realize that this would be similar to just laying out the shop in such a way that the jointer and planer are close to the dust collector, but I’m still not sure how feasible that will be in my shop. What do you guys think about this idea of adding a cyclone chip separator near these potentially problematic tools? Any feedback is always appreciated and feel free to let me know if I am trying to think up a solution to an essentially non-existent problem, because this is my first central dust collection system and I may just be over thinking this whole thing unnecessarily. Thanks guys!

Best Regards,

Max


4 replies so far

View AZWoody's profile

AZWoody

1138 posts in 1063 days


#1 posted 06-05-2017 04:53 PM

You still need the cyclone to take out the fines and other particles that would clog up your filter.
One of the main benefits of the cyclone is to prolong the life of the filters so they do not clog and reduce the airflow.
If you set it up near only a few tools, you eliminate the primary benefit of the cyclone for the rest of the tools.

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pintodeluxe

5466 posts in 2652 days


#2 posted 06-05-2017 04:55 PM

I used to have trouble with maple chips clogging up my 8” jointer, back when I was using a 1hp single-stage collector. It would clog inside the jointer chute, so a separator wouldn’t have helped. I now use a 2hp cyclone hard piped with 6” metal duct. Even though the ductwork to the jointer narrows to 4” pipe at the tool, I have never had any issues with clogging since the upgrade.

I have used both straight knives and helical cutterheads. I agree, it makes some difference, but the bigger factors are type of wood used, and power of the DC machine.

If you have one primary cyclone, and adequately sized blower and ductwork, you won’t have any problems with clogging.

Good luck with it.

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

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Fred Hargis

4764 posts in 2332 days


#3 posted 06-05-2017 04:56 PM

I had a jointer and planer with straight knives for quite a while and never had a problem with clogs. It’s possible that the “common issue” you found was related to something else: like not enough air flow. Anyway, a separator will introduce drag to the system so while you light improve some things you might also create other problems. Now Crank49 used to talk about using a drop out box, which I think is a separator, and it seems to me like he advocated something like you’re thinking. Maybe he’ll catch this and chime in. But for me, I’d just rather have a capable DC/ductwork and not worry about it.

-- Our village hasn't lost it's idiot, he was elected to congress.

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MT_Stringer

3116 posts in 3070 days


#4 posted 06-05-2017 05:01 PM

My system, while not very pretty, works for me. The translucent drum has a shop bilt Phil Thien separator in it. I used parts from Rockler. It collects most of the stuff that gets sucked up. Harbor Freight 2hp model.

-- Handcrafted by Mike Henderson - Channelview, Texas

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