See more ideas about dust collection, woodworking, shop dust collection.  I have a Delta contractors saw, which was obviously never designed with much dust collection in mind. I built a dust pan out of sheet metal with an angled Dust Collection. Small Shop Dust Collector. Previous Next. Simple upgrades turn your shop vacuum into an efficient dust-collection system. A shop vacuum is great for collecting dust and chips in a small shop. But there are a couple of problems with it. The filter quickly clogs with dust, which reduces suction. And the limited capacity of many vacuums means you need to empty them frequently. This system solves both issues. The right dust collection accessories can make your work space safer and eliminate airborne dust. Let Woodcraft keep you safe and your woodworking projects on task with our selection of remote control switches, foot switches, grounding kits, wheel bases and sensing units.  PRO Volt Remote Control For Dust Collectors. 5-inch Aluminum Blast Gate Dust Collection Fitting. 6" to 4" Reducer Dust Collection Fitting. /2-Inch Hose End Swivel Cuff. 6" to 1" Universal Adapter. 4-inch x /2-inch Swivel Reducer Dust Collection Fitting. /2" x 25' Black Hose. 4" Dust Collection Swivel. Metal 6" to 5" Reducer Dust Collection Fitting. Flexaust /2" Anti-Static Clear Dust Collection Hose. Dust Collection Fitting, Blast Gate, ABS, 4" OD. Aim for air velocities of 4, fpm in the drops, and 3, fpm in the main ducts. It is not that hard, and it is well worth the effort. Few shop-vacuum filters and single-bag collectors trap 0. In any case I woodworking shop dust collection design 200 leaning heavily towards using PVC. The above example is for a small system Woodworking Shop Dust Collection Design with few variables. Great advice! Skip to main content.

Static pressure resistance. Before a system can carry away debris, air already filling the duct needs to be moved out of the way.

That produces static pressure resistance measured in inches. Unnecessarily narrow ducts, sharp duct bends, and corrugated hose increase static pressure resistance by restricting airflow or adding friction between ductwork and the air.

Cubic feet per minute cfm. Be careful how a manufacturer measures air-volume movement. Measurements figuring in static pressure resistance better mimic collector performance when hooked up to ductwork and tools. Some use a wye splitter to serve two tools. This is the speed of air, in feet per minute, moving through the ducts while the system is on. Aim for air velocities of 4, fpm in the drops, and 3, fpm in the main ducts.

Facebook Pinterest Twitter Text. Printer-friendly version. Read more about Dust Collection or Dust Collection. The Lowdown On Dust Separators. Ductwork-Worthy Dust Collectors. Dust Collectors. Air-Filtration Systems.

For more related content, subscribe to our newsletter! Routing Ovals With an Ellipse Jig. Big-spin wood lathes. Tested: Twist-bit sharpeners. Next, decide on what kind of hookups you are going to use: flexible hose, PVC pipe or metal duct. I used the collectors with my tools, which include a in. The horsepower rating is a fairly reliable guide to the performance of a dust collector see the chart on p.

Hookups, however, are everything. Too much flexible hose will rob even a big collector of power. Metal duct, not unexpectedly, performs best. Even an 8-year-old, 1-hp col-lector can collect chips from machines 25 ft. Every shop is different, of course, and your results may vary, so use my findings as guidelines, not absolutes.

A 1-hp single-stage collector can handle any machine in my shop The biggest sawdust producer in my shop is a in. And even a 1-hp singlestage dust collector can handle that machine, hooked up with about 6 ft. I borrowed a new UFO, same as my old collector, to see if anything had been changed. Some woodworkers buy two units and station them strategically in their shop.

At 82 decibels measured at 8 ft. The most economical and biggest-selling dust collectors are the two-bag, single-stage models. Single stage means the dust is sucked through the impeller fan and dumped into the lower bag. The upper bag collects fine sawdust and lets the exhaust air back into the shop. Two-stage collectors are the next step up.

The motor and impeller sit atop a barrel. Chips enter the barrel and are directed downward, although the swirling air inside may occasionally move smaller chips upward.

A filter bag hangs off to one side and collects the finest dust. Two-stage cyclones are at the top of the evolutionary chain. The motor and impeller sit atop a cone-shaped canister, the cyclone, which is connected to a trash can below.

Chips or other large debris enter the cyclone and swirl downward, avoiding the impeller. The longer the cyclonic chamber, the greater its effectiveness at slowing down and separating large particles. Air is filtered either by a pleated internal cartridge or by one or more felt bags hanging off to the side of the machine. Internal-cartridge cyclones use the least amount of floor space.

The upper bags or cartridge filters of all collectors must be shaken out occasionally to remove fine dust. Debris entering a single-stage collector passes through the impeller, many of which are made of steel. Even a small bit of metal, such as a screw, can cause a spark when it hits a steel impeller. Dust-collector explosions are rare, but the potential is there.

Debris, metal or otherwise, not only makes a racket when it hits an impeller but also imparts stress on the bearing and will shorten its life. One way to reduce the risk of fire is to choose a single-stage collector with a plastic or aluminum impeller. Steel impellers are fine, however, if you avoid using the dust collector to sweep up miscellaneous debris off the floor or workbench.

I also used the 1-hp collector with a PVC duct system 4-in. At that distance, because of increased resistance, the air volume drops to under cfm, less than recommended for woodworking tools. In reality, however, one can live with that. When I hooked up the 1-hp collector to a newly installed metal duct system, with my tools in the same configuration as before, I was really surprised. The air volume was back up to cfm, very acceptable.

Then I hooked up my old 1-hp collector, which is outfitted with oversized felt bags available from Oneida Air Systems that improve airflow and capture fine dust , and I measured almost cfm.

Hooked up to a 6-ft. Cyclones and two-stage collectors have slightly more internal air resistance; hence the lower cfm reading. Performance ranged from good to so-so, depending on how much sawdust was being spit out by my tools. The best way to direct maximum airflow to the tool being used is to attach a blast gate to each hose.

Hooked up to a PVC duct system a run of about 25 ft. A two-stage unit such as the Oneida costs almost twice as much. Penn State Industries also sells a cyclone collector. With two blast gates open, the air volume dropped and was insufficient to operate two big machines at once.

You can use the diameter of a factory installed collar or port, or consult the manufacturer. Convert metric ports to the nearest inch. Convert rectangular ports to the equivalent round diameter.

Record any reducers or rectangular to round transitions on your take off list. Using Table , determine the CFM requirement of each branch. Remember the FPM for wood dust in branch lines is Identify your primary or high-use machines.

These are the machines that operate simultaneously on a frequent basis. The objective here is to define your heaviest use scenario so you can size your system to meet it. Including infrequently used machines and floor pickups in your calculations will only result in an over-designed system that will cost more to purchase and to operate.

At this point, all of your branch lines are sized, and you have a list of all components required for your branch lines. Now you are ready to size the main trunk line. Begin with the primary machine that is furthest from where you will place the dust Table Saw Primary Radial Arm Saw Dust collecting unit. Note: If a non-primary machine or pick-up is added to the system between primary machines, the size of the run is not increased.

This not only assures adequate air flow but also anticipates a future upgrade in machine size. In this step, you calculate the Static Pressure SP or the resistance of your system that your dust collection unit must overcome. To do this you total the Static Pressures of the following system component groups:. Calculate the SP of all branches to determine which has the greatest SP.

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