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Upgrading Shop Vac Dust Collection #1: Accidentally Achieving Desired Result

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Blog entry by MJCD posted 863 days ago 3840 reads 2 times favorited 14 comments Add to Favorites Watch
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I’ve recently gotten religion on Dust Collection – both my stationary and portable ‘systems’. Articles within Lumberjocks and Fine Woodworking finally penetrated my thick skull – for me, woodworking was more about the cutting and shaping, not the start-to-finish process.

Having said this, I have an older ‘Fein’ shop vac – the basket type; though, this is not the essential point. Thinking about the shop vac as a system never occurred to me, prior to the excellent counsel in this forum (recently becoming a member) and “The Wired Workbench” and “Revolution in Shop Vacuums” articles in FW.

I purchased the Oneida Dust Deputy as a separation device ahead of the shop vac, and added a HEPA filter canister inside the Fein vac – the 5 micron basket filter remains in place, and is now a pre-fliter for the 1 micron HEPA (most sources have complained or commented about clogging the HEPA if no pre-filter exists).

I’ve cobbled together this solution – as I’ve not heard of combining the basket and HEPA filters (Fein provides some type of filter bag when you purchase the HEPA conversion package). Interestingly, I haven’t lost CFM draw with this arrangement – now, I have respirator-free sanding, though, I will still use a mask). The Dust Deputy is every bit as effective as FW and others rave about.

I go through this detail to encourage others to get serious, or to recommit themselves, to creative solutions which meet their equipment and budget constraints.

For my main DC, I’ll install the Super Dust Deputy (I have no affiliation with Oneida, so maybe there are other effective solutions out there), and go to a HEPA canister upgrade for my single-stage machine. My total investment was approximately $150 for the shop vac (HEPA upgrade and Dust Deputy), and will be approximately $400 for the main system.

Work Safe.
Mike

-- Lead By Example; Make a Difference



14 comments so far

View DIYaholic's profile

DIYaholic

12846 posts in 1270 days


#1 posted 863 days ago

Glad to see that your brain has finally fully engaged, regading DC! Lol JK.

DC & air filtration are the first priority as I work on setting up my shop. I have the Wynn 35A274NANO canister filter on my 2HP HF DC. ALL of my machines/tools are able to be hooked up to DC. I’m also currently building an ambient air cleaner. A repurposed furnace blower will be filtering the shop air 5x to 6x per hour, through 3(three) filters of inceasing efficiency. The third & final filter is a Filtrete Ultra alleregen filter.

Glad you are taking DC seriously, as making saw dust is difficult to do while recovering from a double lung transplant!!!

-- 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 DouginVa's profile

DouginVa

486 posts in 868 days


#2 posted 863 days ago

You must of been copying me…or me you. I got my first Dust Deputy a couple years ago after seeing some Youube vids on it and thought, “worth the try….it wasn’t expensive”. I figured anything would be better than emptying and cleaning out my shop vac a bizillion times a month. About my shop: My my most frequently used dust producers are the table saw, router table, jointer, planer & miter saw. The DD worked so well I installed a short PVC duct work system for the table saw and router table. I don’t have any blast gates but I can simply pull the hose and connect to a different pipe and it serves both tools. I can also roll my jointer in position and hook it directly up. It’s not an elaborate system and only serves tools on one side of the shop.

The miter saw is a different story. Has anybody developed an effective way to capture/contain dust from a meter saw? I haven’t and I doubt anybody will in an affordable tool. I know Festool’s contains dust well though. But I got a second DD for that side of the shop. I’ll also use it on my planer, router, and the Leigh dovetail jig dust collecter hood (which also works very well btw).

I’m very pleased with my 2 Dust Deputys and have stated this on user reviews where ever I find them.

-- Just a man with his chisel.........

View MJCD's profile

MJCD

452 posts in 966 days


#3 posted 863 days ago

DouginVA:

For the miter saw, I have a large solution – not pretty, but it works. I built a 2.5’ x 4’ enclosure from 3/4 plywood, attached to the wall behind. My saw is the 12” DeWalt sliding compound, which has rails behind the business-end, which make the saw about 3’ or more in length when I have the saw cutting wood (a little tough to describe). The enclosure has a 4” dust port directly behind the saw, on the bottom. Similar to your thoughts, I wish there was a better engineered solution. For my router – an older PC892 – I’d like to find a solution, as well.

Randy – thanks for the response. What I don’t know is whether I’ll need a ceiling-mounted JDSTools/Powermatic 1200 solution for the ambient – I don’t have your skill to build one myself. With the central DC, the Super Dust Deputy on the stationary tools, and the small DD on the sander/floor cleanings, this may be enough. However, my guess is I’ll buy the ceiling unit, as well.

For this Blog, if other readers can comment on Miter Saw/Router; as well as the need for the ceiling-mount unit, perhaps we can all share the collective wisdom.

Work Safe.
Mike

-- Lead By Example; Make a Difference

View DIYaholic's profile

DIYaholic

12846 posts in 1270 days


#4 posted 863 days ago

MJCD,

Believe me, my skills are NOT that impressive. I’m a DIY’er trying to evolve into a woodworker. Build or buy, isn’t important (except to your wallet), the important thing is to capture the “fines” before YOU end up collecting them in your lungs!!! Until you get an ambient air cleaner, wear a respirator!

In reality, the AC is just a ply box, some cleats for filters, motor/blower & a little electric. The build is not
that difficult, just need proper planning along with the ability to develope workarounds for the things not planned out well. The total investment in my air cleaner is between $100.00 – $125.00, with frugal materials resourcing. The important thing, DO NOT SKIMP ON THE FILTERS!!!

Enjoy your shop, make sawdust & let the “Dust Deputy” round up those pesky, rouge varmits (sawdust)!!!

-- 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 DouginVa's profile

DouginVa

486 posts in 868 days


#5 posted 862 days ago

MJDC,

I have done just about the exact same thing with my miter saw station. I attached a vac hose to the bottom in the center, attached a piece of plexi to the top front and curved it down toward the back to channel all the dust to the vac port. Yeah, it captures some of the dust, but not enough to run out and apply for the patent. I guess we just have to live with it until some enterprising young engineer comes up with a better wheel.

I did pick up on a tip from George @ WWGOA and took a leaf blower to my shop on a warm spring day. I set up a fan in a window opening, turned it on full blast, fired up the leaf blower and gave it a good blast for several seconds then fled. Waited several minutes for the dust to settle and/or blow out the window and repeated the process. Low tech way of doing it but by the end, 5 or 6 times doing this, there really wasn’t much dust left to worry about. I’ll be making this my bi-monthly ritual during the summer when the shop is hopping.

-- Just a man with his chisel.........

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MJCD

452 posts in 966 days


#6 posted 862 days ago

I get a charge out of the leaf blower approach – I have a small Porter-Cable (pancake) compressor, and use this to dust-down the shop – come to think of it, I need to do this, having just finished a blanket chest for my granddaughter (I made a lot of potential firewood in the process). JDS Tools recently came back to life, with upgraded air filtration models – their entry level unit is $380; Powermatic 1200 is highly rated; and I’ll wait to see how the two compare when reviews start to come in.

As I look at my short-term woodworking investments – now retired, I’m pacing the shop at roughly $250/month for the next year – To Purchase: an Incra Router Fence, and related cabinet to build ($350); Super Dust Deputy (~$300); then, the ambient air filtration (~$400); after this is a Byrd segmented cutter for the DW735 13” planer (probably $450 or so). It does add-up.

My catchphrase is that “I can make anything at twice the price”.
Work Safe
MJCD

-- Lead By Example; Make a Difference

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MJCD

452 posts in 966 days


#7 posted 862 days ago

As an update, I placed an order for the Supper Dust Deputy (SDD) with Oneida (direct) rather than through Amazon – same part# was $220 on Oneida, $282 on Amazon.

Work Safe.
MJCD

-- Lead By Example; Make a Difference

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MJCD

452 posts in 966 days


#8 posted 855 days ago

Final Update:

The Super Dust Deputy is now in service.

The cost, with all of the reducers and connecting pipe, is about $325, and took approximately 10 hours (I installed the SDD on an MDF-circle, and sandwiched the plastic bin top between this, and another piece of MDF – this provides both a stable platform for the SDD, and adds weight onto the plastic bin top (creating a tighter seal).
During this process, I thoroughly cleaned my Delta 1.5hp system – the bag was turned inside-out, and the accumulated dust & debris removed – taken down to the original bag, and nothing else. I’ve noticed a pressure-drop (lost CFM), and I believe this is due to the additional curves and changes in air direction with the Dust Deputy inserted into the air stream. I don’t know yet whether this will impact the threshold for CFM at my router table and Planer.
With a smile I’ll say that this has not improved my woodworking skills (one criteria for new workshop investment), however, I believe this is a baseline requirement for the serious hobbyist – someone who spends considerable time in the shop environment, regardless of skill level – I have more tools than talent; as I’m not a naturally-gifted person.
The remaining question is the Air Purifier (the ceiling-mounted ambient air cleaner). I’m over my budget at this point, and my wife has been very supportive. Until the air purifier is installed, I’ll use a respirator.
There are several solutions, other than the Dust Deputy, for taking dust collection to the next level, and I hope each of you find the appropriate trade-off among the cost for tools, infrastructure, and commitment.

Do Take Care.
MJCD

-- Lead By Example; Make a Difference

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MJCD

452 posts in 966 days


#9 posted 853 days ago

Another Follow-up -

Shop Vac – Dust Deputy
I placed this onto a ‘brute’ 30-gal trash can – bad move. When I turned-on the shop vac, the trash can imploded from the suction. So, a word of warning to use a rigid container, such as a ‘tall’ version of a 5-gal plastic can. The 5-gal will fill quickly with floor shavings and dust from sanders, and the Domino (Festool) (which I use frequently).

Super Dust Deputy (SDD – the giant economy-size)
The main DC system benefited from taping all connections and placing weather-stripping on the top of the large trash can supporting the SDD – this creates a true air-tight seal when you close-down/snap the lip onto the body.

I’ve paid for all of this by selling unused tools on Craigslist.

Do Take Care.
MJCD

-- Lead By Example; Make a Difference

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MJCD

452 posts in 966 days


#10 posted 814 days ago

A Final Follow-up:

Today, I installed the Wynn 35A NANO cartridge on my 1.5hp Delta (50-760). The installation was very easy; though, I did have to be creative with the attachment of the cartridge to the body of the DC. The effect of increased filtering surface area – about 3x – partially offset by the finer pore size (now a very tight HEPA 15), has increases the CFM through my 4” main runs. As usual, the people at Wynn have been very helpful.

During this installation, I took the time to empty my Super Dust Deputy (SDD) collection bin – a 52 gallon Brute garbage can. I installed this just prior to starting a cherry blanket chest, and have subsequently built a large hard maple router table (starting with 4/4, down to 3/4). The accumulated chips filled a 30gal trash can, and zero chips where in my main DC collection bag – the Oneida SDD separator virtually everything pre-filter (I assume that some sub-micron dust made it to my DC’s filter bag. The SDD is the best investment I’ve made to date. With the Wynn cartridge on the main DC, I’m now finished my whole shop dust upgrades – I may opt for the JDS Air Purifier, though, this is down the investment priorities – I’ll continue to where a dust mask.
MJCD

-- Lead By Example; Make a Difference

View TechRedneck's profile

TechRedneck

735 posts in 1452 days


#11 posted 814 days ago

MJCD

My SDD arrived this week and I spent most of the day yesterday modifying my Delta 50-760. I also have the Wynn filter, purchased over a year ago.

Glad to hear the SDD is working well. Today I finish the install. Can’t wait to fire it up. I took some pictures during the re-build. Essentally, I built a new base and mounted the Delta right on top of the SDD. The whole unit including the filter, SDD, and 30 gal can is around 7.5 feet. I’ll post it when finished and tested.

-- Mike.... West Virginia. "Man is a tool using animal. Without tools he is nothing, with tools he is all.". T Carlyle

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MJCD

452 posts in 966 days


#12 posted 813 days ago

I’ve attached the result of my to-date efforts – I’ve inverted the 50-760 to allow for drawing dust from the top, fed from my low-tech SDD/garbage can collector. The prospect of installing the DC directly above the SDD is very attractive – I was unsure of the Wynn filter size (all the prep work was completed well ahead of receiving the filter, yesterday). I’ll steal every idea you have on the direct feed!

Thanks for the follow-up.
MJCD

-- Lead By Example; Make a Difference

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MJCD

452 posts in 966 days


#13 posted 813 days ago

Well … I need to better wordsmith my posts.

The SDD works as advertised – what a novel concept. As you can partially see from the photo (immediately preceding post), I created an MDF sandwich with a 1/2” plate both above and inside the can lid; then drilled the necessary mounting holes through the MDF – Lid – MDF sandwich. This provides a stable platform for the SDD. As I mentioned in much earlier posts, I ringed the lip of the can with 1/4” EDPM (a weatherstripping material) to allow the Lid & Can to form an air-tight seal.

I had considered the direct feed from the SDD to the DC; however, along with not knowing the height, this is probably beyond my current skillset. I look forward to seeing your approach.
MJCD

-- Lead By Example; Make a Difference

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TechRedneck

735 posts in 1452 days


#14 posted 813 days ago

MJCD

Here is my finished cyclone retrofit.

Just finished a blog on the whole project: HERE

-- Mike.... West Virginia. "Man is a tool using animal. Without tools he is nothing, with tools he is all.". T Carlyle

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