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Dust Collection by the Numbers

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Blog series by EarlS updated 04-29-2018 12:49 PM 2 parts 1479 reads 7 comments total

Part 1: Where to Start?

04-14-2018 01:02 PM by EarlS | 5 comments »

You are probably wondering why there is yet another dust collection blog, forum, review, or question. It seems like the topic comes up a couple of times a week asking mostly the same questions and giving mostly the same answers. I was switching out the blade on my saw and noticed that there was a a pile of saw dust and chips in the cabinet space under my Delta Unisaw. The 4” port to the dust collection system was covered as well. At first I thought there might be a larger piece of...

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Part 2: Terms and Definitions

04-29-2018 12:49 PM by EarlS | 2 comments »

It’s been a few weeks since I first started this discussion on dust collection systems and the math/science behind it. There is a vast amount of information available out there and all of the variations on how to size a DC set up. Here are some basic terms to get things started: AIR FLOW:cfm (cubic feet per minute) is the volume of air being moved by the blower. 350 – 45 cfm is required for dust removal on a table saw fpm (feet per minute) is the velocity the air is mov...

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