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Steps For Building Your Own Dust Collection System
By Dave Markel, Fri Dec 9th
Copyright 2005 Dave Markel Traffic flow: You want to avoid having ductwork running throughhigh traffic areas or in areas where it may affect the safeoperation of power tools. It is important to the performance ofthe dust collection system that the ducting doesn't get dentedor crimped. This reduces air flow and may lead to blockages. Ductwork arrangement of stationary tools: Especially true with atable saw. It is difficult to duct a table saw upwards. Theducting rising up to the ceiling could be a hazard to the safeoperation of the tool. This is where you will need to findanother route for the ducting. If you have a crawl space thenthat is the most practical method.
Location of stationary tools: It is important to keep yourdistances (runs) from the tools to the dust collection unit at aminimum. If one tool is unnecessarily far from the dustcollection unit then it may result in a larger unit to servicethat run. Move tools if possible to reduce the length of runs. Step 1. Determine your needs Depending on what size of wood shop you have or the number oftools you want to add to your dust collection system, you willneed to have a system that will accommodate your needs. You may be able to have a portable system that only services onetool at a time. This is the perfect solution for a small shopand certainly the least expensive. Step 2. Gather information Magazines, books, articles and the internet are all great placesto start gathering information on dust collection. You want togather information on collectors and filters, duct work,flexible hose, filter bags, remote on/off switches and groundingkits. Chart the results of your information
gathering andcompare. Step 2. Be sure to adhere to all local building codes Some areas have codes dictating where a dust collection unit maybe located or how loud it can be. Checking to be sure there areno codes or bylaws before you build your dust collection systemmay save you money and time. Step 3. Laying out your system First draw a layout for your shop. Show locations of all toolsthat you intend to hook up to your system. Locate the collectoron this drawing as well. Determine the lengths of the ductwork and the number offittings. Keep in mind that the smoothness of the duct interiorand the number of fittings. These all effect the flow and couldincrease the size of your dust collection unit. When making the transition between larger and smaller diametersuse tapered connectors to avoid restricting the flow. Remember to keep it simple. For most small shops a basic systemwill work just fine. Having 3 fixed outlets dedicated to thetools you use regularly and flexible hose for those that areonly used occasionally. Most dust collection units have 2 in-ports for 2 runs of hose.This will easily accommodate 4 stations especially if only usedone at a time. A dust collection system collects the large shavings and smallerparticles but is limited in eliminating very small particles Thefilter bags are limited when it comes to dust smaller than 10microns unless you get a dust bag that is designed to capturesmaller particles. The alternative which has other benefits is to get an air filterto "clean" the air in your shop. This is effective in alsoridding the air of chemical pollutants from paint, polyurethaneand mineral spirits. About the author:For more great wood working how to articles visithttp://all-wood-working-plans.com/wood-working-articles.html
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