Reply by noone

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Posted on Dust Collection

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587 posts in 2780 days

#1 posted 07-24-2016 04:09 AM

As an engineer who has worked with dust control systems for most of my professional career it really irks me to keep seeing folks recommend the Thien baffle as an upgrade for the HF dust collector. IT IS NOT. A simple drop out box, or expansion chamber, will work better, is easier to build, and will not use up as much of your available static pressure. A cyclone stage in front of that collector would not be an upgrade for the same reason. Will these devices capture dust before it gets to the filter? Yes, but at a high cost in terms of air flow from the source. And air flow at the source is the most important thing.

I m not against Thien baffles. They are easier to build than cyclones and work almost as well unless you are trying to capture very very fine dust. But they are self contained systems, good for a system that is vented outside. Wouldn t want to breathe the output.

- crank49

Do you have any plans or details on how to build this dropout box? I’m interested…....

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