
Woodshop dust collection ductwork. Next find the diameter for your systems main and branch ducts. Even the best dust collection system wont eliminate the need for occasional sweeping. Just because a tool comes with a 4 dust port doesnt mean you should use 4 main ducts or drops. It is the dust collectors job to overcome the ductwork resistance and pull the proper amount of cfm when you open a branch or branches in a central dust collection system.
Tool size air requirements length of pipe run required number of machines running at one time etc. First figure out the air volume requirements of the machines in your shop see the chart on p. Simple approach for dust collection ducting april 4 2012 by paul mayer filed under shop improvement skill building stationary power tools safety. There is a large amount of misinformation about what the proper size pipe is to run.
If you have made an investment in a powerful dust collector that is a great first step toward creating a healthy shop environment. In reality proper pipe sizing can get complicated and depends on many variables. Nordfab is a do it yourself clamp together dust collection ductwork system that you can customize to fit your space. For systems carrying woodshop dust and chips engineers recommend minimum air velocity of 4000 fpm in branch lines thats about a 45 mph breeze and 3500 fpm in the main ductthe speed of the air moving in the system may exceed these figures but.
Part 3 of this series shows highlights and selected tips and tricks for working with pvc pipe in a dust collection network. Nordfab ducting makes the perfect dust collection pipe. Coming in two. Most cyclones have intake ports of 6 to 8 and some two bag collectors have 5 or 6 diameter intakes so consider at least a 5 main duct.
When you drink a soda with a regular straw it does not take much effort. High quality dust collection is dependent on high quality ducting. Installing your own dust collection pipe saves you money over costly design and installation expenses. Many dust collection systems suffer due to poor ductwork designs.
A good system however will keep the broom and your lungs from wearing out prematurely. The speed of air movement through a dust collection system is critical. Plumbing up the ductwork for the dust collection system. Tapered reducers like.
Instead look at the intake port sizes for the collectors youre considering. If you have seen kids trying to drink a soda.