how to make a two stage dust collector

I think the 2hp rating is a little overly generous, but it still can't be beat for the money. This instructable will show how I created a chip separator formy dust collector. A deeper can or some sort of baffling might reduce that turbulence which is probably why the sawdust goes all the way to the bags. Before I would have to unclog the hose at the DC when ever I planed wide boards, now it works perfectly. Surely, a 2-hp collector can handle two 4-inch pipe runs. Really glad to find this write up.

Here is how I would do it: After getting all pipes sized & cut, drill two small holes on the same side & near the end of each straight run yet clear of fitting verlap. The DC system with improper capacity gives such a false sense of security. For the top disc, I found some scraps of 5/8" OSB. Regular HVAC metal pipe may work, but I don't know for sure. This way hopefullyany metalwon't continue on to the impeller. I like your project and want to build one. Only the fine dust makes its way up to the filter, so it works better and longer. The miter saw and router table both have dust collection hoses that are hidden behind the miter saw station. A 2 stage dust collector is essential in a workshop! on Introduction, Are you still running this setup? Start your 14-day FREE trial - and get building! I have an old Grizzly single stage DC that looks just like yours. Cut a new cover and mounted the dust deputy. Mine blows a lot of dust out of the top filter bag. The rockler dustright is 2.5 inch. Posted on Published: June 14, 2017- Last updated: July 7, 2022. I have one of those remote controls for to turn it on - a great device. This is helpful!!! For a better experience, please enable JavaScript in your browser before proceeding. I remember the shortage. Plus tips, advice, and special offers from Fine Woodworking.

Come join the discussion about different types of routing and routers, shop safety, finishing, woodworking related topics, styles, tools, scales, reviews, accessories, classifieds, and more! Instead of going straight into the filter, debris takes a spin in the trash can first. Finally received the Dust Deputy. Do you rely on a shop vac to keep your workshop clean? But I may be able to shift a few things around! the 55 gallon barrow i am using fills up in 2 hours. This has reduced above table dust by about half. 11 years ago I built a simple cyclone in front of the DC. I like your idea and thanks so much for sharing this helpful workshop experiences. very good idea first off! however since I was planing 20 inch wide boards (or two ten inch) my 2 hp wasn't enough and would plug up too easily. To my surprise, this thing is big, so much for the idea of tuck it underneath the motor of delta ap-400. One of the reasons I didn't attatch the center ring to the base disc is that I want to get the alignment right first. i probably should make an instructable on how to make this. "Being on a tight budget, I chose the 2hp model from Harbor Freight. Privacy policy, Materials Required for Dust Collector System, Hook the dust collector up to various tools, Consider a wall mount dust collector to save space. the the suction hose is attached to the center of the lid by drilling a 2.25 inch hole with the hole saw. The outlet is vertical & dead center of the swirling dust. Itested it to make sure it was a nice flush fit, and then used some construction glue to attatch the upper disc to the fan housing, creating an airtight seal. Hope I never have to have a colostomy. I'm in desperate need of dust collection. Top 6 Safety Rules Every Carpenter Should Know, 11 Most Beautiful Crafts To Make With Fresh Flowers, An Essential List of Craft Tools for Making Easy DIYs, Wall Art DIY Ideas to Add Personality to Your Home, 6 Common Plumbing Issues and How To Fix Them, 150 Simple Woodworking Projects for Beginners, 10 DIY Air Purifier Ideas To Make Cheap Air Filtration System, DIY Cleaning Mattress, Sofa, and Sofa Cushions, 15 Homemade DIY Water Filter To Clean Water Anywhere, 10 DIY Grow Tent Plans Build Your Own DIY Grow Box, 25 Free Crochet Skirt Patterns for Everyone. You can even upgrade the bag to the same type of canister filter as the bigger version! A dust collector is only as good as it's filter, andas filters fill up with dust it reduces airflow and efficiency. Sucking up a large pile of dust, or taking heavy passes with the jointer or router table will create enough fines that the exhaust is visible, but just barely. Iwaited until it was on sale, and then used a 20% off coupon making the total price around $165 with tax. The other advantage this has is that it allows me to use the full capacity of my trash barrel.My idea was to create a disc that would fit on top of the trash barrel, and that the center ring would then fit on top of. I tried to gasket the can & cyclonette, but the gasket wouldn't stay on. UNLIMITED Membership is like taking a master class in woodworking for less than $10 a month. Connect the hose that comes out of the dust collector to the side of the separator without the bend on the inside of the lid. It is funny to take off the lid and see the chips all lying down in neat cyclonic rows like a fresh alien crop circle.

Ben Franklin. Get complete site access to video workshops, digital plans library, online archive, and more, plus the print magazine. ?. The lid creates a cyclone effect, causing the heavier pieces fall into the trash can. A Fire Chief/Captain sent in a letter to FWW several years ago stating that the air and dust ratio has to be at a optimum state to ignite. Ithen measured the inlet of the fan housing, and cut a hole in the center that would fit snugly. And like Toni, I'm hurting for room, too. However, adding a Thein baffle, a cyclone or other means of spinning out debris and such will not change your collector from a dust pump to a hazard free collection system.If your stock bag or cartridge filter isn't capable of trapping one micron or, preferably, smaller particles, consider upgrading, as soon as possible. It also has a cone inside that is intended to keep chips down in the bagwith the stock set-up, which should only help with keeping the cyclonic action going. It must be opposite way of earth rotation. Thread the ends of grounding wire through the holes. As to wireing/grounding your system to be safe. You can run the ground wire on the OUTSIDE and every 10' to 15' feet run the wire into the ducting 3" to 5" inches and right back out and continue down the line. The only modification required wasto drill a new hole in the mounting plate for the wires that run from the switch into the motor. Just set the filter in the center and hook them into place. The barrels aren't perfectly round, so I sorted through the 5 Ihad, and chose the one that was roundest. Then you only have to put the money out for a better quality upper bag. One tip I might add is clear ducting instead of PVC pipe.

very good and useful project. Pull it tight inside tube and wedge it in the drilled holes to keep it taut. am building one now. The other thing is the fact that some impellers are made out of aluminum and not steel thus negating the spark likelyhood. I've done both and have found that if my first stage (the can) was somewhat shallow,the biggest %of all shavings sawdust etc. I then screw in an adapter in both sides of the dust-in. I saw a suggestion in FWW that the ground wire could be wrapped around the outside of PVC pipe for grounding. Also, we ensure their complete compliance with the defined industry and international standards of quality. I am interested in the idea of making it a two-stage set-up with one of those cyclone creating lids on a trash can, and I can build that right into the system which will not be mobile anyway but I have to believe that a certain amount of performance is lost with that added stage. Roll it outside when you are working. I only have it hooked up between my planer and DC. This photo gives you a much better view of how everything is arranged in my workshop so that's it's close to the dust collector. The Onieda makes 6,5 and 4 inch inlets. Make sure to keep the level of sawdust in the trash can lower than halfway full, or you'll start to see larger chips make its way up to the bag above. Can't wait to see how you hook it up to all of your machines. While I do lose some suction with this set up, it's been a total game changer in my small workshop! I had no choice anyway. I reconfigured my system so that my saw, planer & jointer are on the same branch as the garbage can "cyclonette." There are many after market suppliers who can sell you quality bags. 5 years ago, Reply It is surprisingly quiet and powerful. I'm just passing on what I found. Poke a hole in it, and you've created a release valve for all that dust to come flying out! 214, Linghi Chetty Street Parrys Chennai - 600001, Tamil Nadu, India. I've just bought the HF DC, and was planning a much more complex build with a large cone. During most normal operations there is so little dust being exhausted that it can't be seen with the naked eye. When it gets full, just remove the bag and throw it away (or use the sawdust for other projects!). Thanks for your input , I have done what you plan. The standard filter bag just spews that stuff back into the air! Krunz best make dust collector machine with 3 hp 3 ph elctric motor std access. For those of you already using it. 10 years ago It has hose, adapters, & blast gates.) The baffle is modeled after the design Phil Thien came up with to increase the efficiency of his shop vac. A forum community dedicated to router and woodworking professionals and enthusiasts. You can get plans for the miter saw station, router table, planer stand, table saw stand and t track table so you can build your own. The airflow and collection seem to be as good if not better than the stock set-up. Ever suck up a stray screw with your shop vac? Not only do they help keep things clean and tidy, they also protect your lungs from harmful airborne dust. Hi Jimbo; First let me say if you're looking for the garbage can lid setup you can contact Grizzly industries. It does a nice job of catching the bigger stuff but the bag on the DC still fills with shavings. Grizzly, Pen State, American Woodworker back issues and of course back issues of FWW. How to Build Storage Shelves for Less than $75, 7 Genius Ways to Improve Miter Saw Dust Collection. Our offered assortment is highly appreciated among our clients and the industry for their salient features like high performance, sturdy construction, easy operations and low maintenance. Only the lightest material and fine dust move on to the second stage. Smart move! Once again I decided to laminate two pieces together for added thickness and strength. I suggest you cut a circular plywood piece and mount the SDD on that. 4 years ago. Ok, then I take it you did not find a problematic drop in performance. A dust collector should be one of the first major purchases for any woodworking shop. I cut the lid off, then flipped the lid. Just picked up an old 1HP delta dust collector (AP400) and replaced the top bag with the 1-micron filter bag by Powertec. That quick unlocking band makes it easy to empty the drum. Leave 6 - 12 inches of wire outside pipe. http://billpentz.com//woodworking/cyclone/index.cfm, There are more olddrunkards than old doctors. My collector is 3-hp. Don't even get me started on the planer! The machines supplied by us are working most efficiently & satisfactorily both in private & public sectors, engineering college, polytechnic & I.T.I. The silicone takes 24 hours to fully cure. Definitely pinning. I haven't tested for that as I have a very old Craftsman shop vacuum which is used for floor sweeping. Again take it for what it's worth. I put the inlet of the ring in placeabove the solid portion, emmulating the Thien design. Most of the excess parts went into the scrap pile, but the casters were actually pretty nice quality, so Ithink they will go under a new rolling tool cart I plan to make in the near future. I am new to dust collection. This design has been used and modified by many people with great results, so I figured it would beagoodplace to start. Please comment as I'm ready to make a change to my DC now! :D. Wow, what a great idea! I think I'd mark the mounting holes on the ply, drill them, test fit the SDD to the ply top, then bolt the ply to the metal top, and then use a jig saw to cut the center opening. So, how did it work? Anyhow, I spent a couple of days on this and found, to my frustration that the airflow was EXTREMELY reduced by the addition of a barrel, so much so that the bag on the collector would not even inflate, and I'm using the same model Harbor Freight Collector. saw, shop vac hose, 2 inch end cap, short pipe, adapter, lid, adapter, street 90. angle the street 09 to throw the sawdust to the barrow wall. Ithen used a round nose router bit to route a groove in the bottom piece that would accept the top of the barrel. This way Ihave a starting point, and can adjust the alignment in either direction to get maximum perfomance. You might get lucky and find one of the removeable top varieties. In-depth articles, up-close photography, and detailed illustrations, I am purchasing a 2hp 1600 cfm dust collector and finally upgrading from the old shop vac. Picked up a 30-gal barrel. Iplan on using a dryer vent forthe final permanent installation. Did you make this project? Good to know the simpler Thien baffle will separate enough that chips are not making it through to the other side. I thought it might be a little thin and flimsy, but Ihad enough tomake two pieces that Icould later laminatetogether to form a 1" thick piece. It's a little more expensive but you can seeblockage spots if your collector looses preformance. Don't restrict yourself below 4 star inches. Prices have never come down since that time.Keeping a wire against a wall of a pipe is quite a challenge. They have one of the better setups that I've seen and used. without letting the wire inside pipe go slack. IF you have the lid sitting on top of your first stage loosly you will have some loss due to the fact that you will have air passing around the lid and top of first stage (garbage can) itself. There's nothing worse than trying to locate a blockage and having to take apart ducting from one end to the other and finding out it was due to the grounding wire. I got the cyclonette from Grizzly. In face, I now need to find a bottom barrel for it. 9 years ago

Figure out how to connect ground wire to each machine. Iused the short length of flexible hose that came with the dust collector as a vent. Commenting has been disabled. Can anyone speak from experience as to how much performance is lost with adding the second stage? Ithought that the center ring of the dust collector would make a great housing for the baffle, especially since it already has a lateral inlet. If I convert, I'll still be exhausting into the room, so I'll have to adapt some filter bag anyway. Basically, a tool is an object that enables you take advantage of the laws of physics and mechanics in such a way that you can seriously injure yourself - Dave Barry. You want a chunk interceptor between the dust collection piping and the dust collector to, if nothing else, keep bits of wood out of the impellor. A couple of thoughts for those considering building one for themselves. ItsOverflowing.com | Itsoverflowing.com is a participant in the Amazon.com Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. The heavy stuff falls down, so only the lightest, fine dust goes up into the filter. It probably comes with an adapter with two stubs.BTW, I used PVC drain pipe & Delta flexible hose & gates. You'll live happily ever after. Idrilled 1 1/8" holes at each end of the channel, and then used a jigsaw to cut the rest out. The cyclonette came in handy for that. After looking around my shop for a suitable material, Ifound some scraps of 1/2" MDF. Yes, your lungs will thank you for sure. I presume a paper barrel can survive the vacuum pressure.As said before, my cyclonette is the one Grizzly sells.Cadiddlehopper. Ithen had a helper stick the hose straight into a large pile to sawdust while I watched the exhaust outside. will be making a LARGER version of this. Try and make this as air tight as possible and still be able to 'pop the top' when having to empty etc. Connect ground wire sections together by your chosen means (wire nuts, splices, etc.) Enter now for your chance to win more than $2,000 worth of woodworking equipment from Woodpeckers. Keep in mind that this will reduce suction, so keep the larger size whenever possible. It separates larger chips from the finer dust so the filter AND your lungs stay clean! It works just as well as the version I talk about above, but in a much smaller footprint. on Introduction. It seems to work very well. Miter saw dust collection is particularly tricky, but a dust hood can help contain the mess. OK, last but not least; As for the screws and the first stage. Just like the bottom disc, Iused a roundnose router bit to form a groovethat wouldfit ontop of the center ring. The only pieces we'll need arethe motor and fan assembly, the center ring,the hose, and the fittings. I simply removed the switch box, and rotated it 180 degrees, so that it's now right side up and facing the right direction. Thesecan all beeasily moved for making bevel cuts. I chose a large 60 gal size so that I wouldn't need to empty it as often. One way to reduce this is to create a chip separating baffle, which collects most of the debris in a trash can before it reaches the filter. Reply Most dust went to the lower bag anyway. Vineta. on Introduction. Now that you know why, I'll show you how to make a 2 stage dust collector for your own workshop! Yes, yes and more yes! The openings are not in line or a straight through set up. something i can use my tractor to move and dump. 1 year ago. By having it set up in this fashion it causes a swirling/vortex affect and thus seperating the heavier shavings from sawdustif you get my drift. After letting the silicone cure, I put everything together. Now I am thinking to add Rockler's. I can't tell that using the can & cyclonette dropped performance significantly.

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