The cheap dust separator only works on large particles. Basically, the idea here is to to use two different cyclone separators: one that’s very effective, and a cheap model that’s only able to ...

[Brad] goes into a bit more detail in this gallery, revealing that the heart of the build is a Harbor Freight dust collection system that he modified into a cyclone separator. Big chunks fall ...

Third, The dust. Fourth, Screeni ngs from the second blast of the separator, after t!le smutter. These last screenings are free from dust, and in a good condition to grind for feed or otherwise.