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  1. #1
    Join Date
    Aug 2007
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    Brisbane
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    Default Dust Collection - What's the Priority?

    Hi All,

    I have now trawled through more threads and opinions on dust extraction than I care to think about.

    My situation is this - I have a small workshop (read: garage) that I do my work in. My essential tools are the Triton powered saw table, a router in a table, a compound mitre saw, and the usual collection of handheld tools (planer, jigsaw, belt sander and ROS).

    Dust collection is starting to become an issue - I have a dust bucket which does a pretty good job with an old vac, and I have the under-table dust bag for the triton.

    From all I can see, the things that I am currently running ALL seem to have best dust collection if connected to a high velocity (eg - shopvac) extractor, rather than to a, say, 2hp DC which has a greater CFM but a lower velocity.

    That being the case (and me having a birthday coming up) what is next? I am concerned with the amount of small dust in the air and was strongly considering getting an air filtration system (say the little jet jobby that looks pretty good).

    However the question is, assuming I can only get one, should I look at getting the 2hp dusty now and save the air filtration until later.

    My rationale is simply that the shopvac/triton dust bucket combo (maybe a Sturdee Cyclone variation eventually) is good enough to get the dust out, but not good enough to really get out the smaller micron particles - these would then be gently expelled into the air (while I carefully avoid breathing) and dealt with by the Jet filter.

    The filter will also clear out the room for finishing purposes.

    I can't see, in my situation, how a bigger 4" dusty would assist my dust collection at this stage - however I am open to correction on that issue. Basically I would wait until I get some bigger machinery (tablesaw proper, thicknesser etc) and THEN get the dusty.

    Comments, problems, suggestions and general abuse are all welcome.

    Cheerio,
    sCORCH
    Yes - I'm a lawyer.
    No - I won't bill you for reading this.

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  3. #2
    Join Date
    Feb 2003
    Location
    Garvoc VIC AUSTRALIA
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    11,464

    Default

    actually if you can hang your homemade vac outside all the fine stuff that goes straight through its filter bag won't be pushing fine dust into the workshop atmosphere
    Regards, Bob Thomas

    www.wombatsawmill.com

  4. #3
    Join Date
    Aug 2007
    Location
    Brisbane
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    151

    Default

    Quote Originally Posted by echnidna View Post
    actually if you can hang your homemade vac outside all the fine stuff that goes straight through its filter bag won't be pushing fine dust into the workshop atmosphere
    ah yes - but unfortunately it's a little close to my neighbours and my dogs - and I wouldn't want to put either to any discomfort or risk - however that is definitely an ecomonical solution
    Yes - I'm a lawyer.
    No - I won't bill you for reading this.

  5. #4
    Join Date
    Nov 2006
    Location
    Bendigo Victoria
    Age
    80
    Posts
    16,560

    Default

    I think you are on the right track, the machines you have definitely work well with a Shopvac.

    I don't have one of the air filtration units, but it is on my "want to have" list.


    As you said the 4" type DC works very well on a cabinet saw, jointer, thicknesser etc, but I find I reach fro the Shopvac when I use the SCMS etc. On the router table I use both.

  6. #5
    Join Date
    Sep 2002
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    Minbun, FNQ, Australia
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    66
    Posts
    12,881

    Default

    How much do you have to spend & how much room do you have?

    I have this set up but it uses up a bit of room & makes a fair rumbling sound.

    This one was not available when I bought mine & it looks good for the price but I have not seen/used one.

    As well as one of the above, you will also need a hose kit.
    Cliff.
    If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.

  7. #6
    Join Date
    Aug 2007
    Location
    Brisbane
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    Default

    I am on one side of a two car garage - so a little space, but not much.

    Budget is as low as I can make it without buying rubbish - however in light of the price difference I will probably have to go for a Hafco 2hp or similar if I was to get a dusty.

    The little Jet 2-stage thing looks interesting - has anyone seen one in action?
    Yes - I'm a lawyer.
    No - I won't bill you for reading this.

  8. #7
    Join Date
    Jun 2003
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    ...
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    7,955

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    Quote Originally Posted by sCORCH View Post

    However the question is, assuming I can only get one, should I look at getting the 2hp dusty now and save the air filtration until later.

    My rationale is simply that the shopvac/triton dust bucket combo (maybe a Sturdee Cyclone variation eventually) is good enough to get the dust out, but not good enough to really get out the smaller micron particles - these would then be gently expelled into the air (while I carefully avoid breathing) and dealt with by the Jet filter.
    Based on the tools that you are using the shopvac with dust bucket is adequate but the shopvac system could be much, much better if you convert it to the mini cyclone. So much more improvement for such little effort and outlay that you should do that first.

    Then , instead of buying a DC with filter bags (which still allow the fine dust to get into the workshop - hence the need to put it ouside) make or buy a room airfilter.


    Peter.

  9. #8
    Join Date
    Mar 2005
    Location
    Camden, NSW
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    74
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    3,576

    Default

    Quote Originally Posted by sCORCH View Post
    The little Jet 2-stage thing looks interesting - has anyone seen one in action?
    sCORCH,
    I have the Jet 2 stage dusty and for me it is brilliant. It acts like a cyclone in the 200 litre (44 gallon) drum and then the returning air goes through the canister filter and back into the workshop. Noise level is similar to a cloth bag dusty and performance is just as good. My worksop is a 4 x 6 metre shed. The dusty sits at one end and is close to the door which makes emptying the 200litre drum easier. A flex then runs up to the roof and I have approx 8 metres of 100mm PVC pipe across the roof leading to droppers to various machines etc.
    When I have filled the drum (which is evidenced by a serious and sudden drop in performance!) I wheel the drum outside and tip the chips onto the paddock. The fine dust that is in the canister is tipped into the garbage bin and the canister vacuumed out.
    As one-man workshop, there is only 1 machine in use at any time but this Jet 2 stage handles them all including my 15" planer which is furthest from the dusty at the end of the run,
    Highly recommended ..
    Fletty

  10. #9
    Join Date
    Jan 2008
    Location
    Vevey, Switzerland
    Posts
    407

    Default Dust Collection

    I started with the triton collector and an old vacuum cleaner, it functioned ok, but it was a pain to keep moving it around. I had to do something better when I got a thicknesser so I bought a dust collector, a basic 1hp unit from Carbatec. I think that's plenty for a one-man shop because you only use one machine, and have one gate open, at a time.

    The main thing was that I hung a network of 100mm plastic sewer pipes from the shed ceiling with flexible pipes to the machines. It is out of the way, the pipe goes down to the table saw so I don't trip over it. I have an outlet by the bench for the orbital sander. I don't glue the pipes together so I can modify the layout easily.

    I'd say well worth it, wished I'd done it in the first place. The cyclone system would make it even better.
    Cheers, Glen

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