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  1. #1
    Join Date
    Apr 2022
    Location
    Melbourne, Australia
    Age
    46
    Posts
    30

    Question Basics needed for portable/storable setup

    So, I figure there's a difference between dust extraction and dust collection, right?

    Dust extraction is capturing dust particles floating in the air into some sort of filter, while dust collection collects the larger dust particles that otherwise end up on the floor?

    My question is, what would be recommended for my hobbyist/DIY setup, to both give me decent protection against fine dust and also limit my cleanup?

    I work out of a two-car garage, that houses a fridge, a dryer and yes, you guessed it, two cars.

    What I currently have:
    - Vacmaster 30ltr 1500W shop vac
    - RZ Mask
    - A broom

    I currently drag the Vacmaster around and un-hook / hook it up to whatever tool I'm using - table saw, mitre saw, router and orbital sander. (I've accepted that I'm just gonna make a mess when using my circular saw.)

    I used to also have this cyclone system in between my tools and the vac, until my vac's suction sucked the life out of it and split it's side (now it just holds offcuts).

    The vacmaster doesn't handle the wattage of my power tools so the power takeoff feature is not useable.

    I started with none of the above.

    Then went cheap.

    Now want something a bit more efficient, but portable and storable.

    What other factors should I consider? And is it worth my while reinvesting in another cyclone system and/or upgrading my current shop vac? What about air scrubbers - something I fix to the ceiling and just have quietly purring away long after I've packed up for the day to reduce that fine layer of dust the next morning?

    If the above and more has already been answered elsewhere, please link to it and close this thread - I did search (maybe just a boy's look) but y'all talking about intermediate to pro setups that I'm nowhere near needing!

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  3. #2
    Join Date
    Jul 2013
    Location
    Dubbo, NSW
    Posts
    24

    Default

    Hi, for many years my dust collection system was a broom, spade and wheelbarrow. Though my work area was outside under a carport .
    After a bit of online searching I found a guy who used two buckets and some plumbing fittings to fashion a cheap DIY cyclone.
    So I trotted of to the big green shed with a fist full of dollars and the dimensions of my vac hose.
    I found the elbows, reducers and connectors no problem.
    The only buckets I could find seamed a bit on the light side but what the heck.
    I cut and drilled, fixed and fettled until it 'looked' about right.
    Turned on the brand new shop vac and...............

    Sucked the top bucked down into the lower one


    It took me three weeks to seperate them.

    I'll post photos of Mk2 in the next post.

  4. #3
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    27,316

    Default

    Quote Originally Posted by Waikikamukau View Post
    So, I figure there's a difference between dust extraction and dust collection, right?
    Dust extraction is capturing dust particles floating in the air into some sort of filter, while dust collection collects the larger dust particles that otherwise end up on the floor?
    There's no difference in terms of particle size, the terms are used interchangeably. If one wants to get pedantic, Collection is about "collecting dust" while Extraction is about removing it from an area eg ventilation can be thought of as extraction but not collection.

    The best protection is provided by Ducted systems with the DCs or Vacs located (or enclosed inside an air tight enclosure an vented) outside, nothing much else will compete with this, and yes it includes duct vacuum cleaners for use on power tools

    I've tested many DC and vacs and unless they are near new they ALL leak. Those that leak the most are old and have been towed around inside a workshop. Hence enclosing or locating then outside

    A couple of other things
    Cyclones work fine on vacs but not so well on low power DCs.
    Vacs simply don't have enough flow for table and mitre saws, and even most general hand held power tools spew a lot of fine dust outside the capture radius of vacs.

    If you're not prepared to use ducting and not go any bigger than a shop vac then the only other effective addition for ealing with fine dust is forced ventilation. Any forced ventilation is better than none but generally a target of between 10- and 20 room air changes per hour is needed. Ideally the ventilation should be unidirectional fans on one side of a workshop and vents on the other side to create a cross flow and that advantage of prevailing winds.

    I have a fully ducted 6" system inside my shed but still have two large capacity ventilation fans with up to >20 room air changes per hour.

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