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Thread: Dust collection thoughts

  1. #1
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    Dust collection thoughts

    I need dust collection really bad. I have a lot of sinus problems and I know some of mine are dust related. Money is tight, work is slow so buying what I want is not an option.

    One of the best ways is skipping the filters and just to dump the chips outside the shop and that takes the fine dust with it rather than keeping it airborne. (Yes it take out the heated or cooled air too.) I live in an area where that is an option. If I had a blower I could build something outside to catch the chips where I could haul them off. No need for filters and cleaner air.

    Which begs the question; where do I find a blower? Pentz web site has all the info on building one but if I could find a used blower, it would cheaper since I don't have any of the parts and I am all about cheaper.

    Any suggestions?
    God grant me the senility to forget the people I never liked anyway,
    the good fortune to run into the ones I do,
    and the eyesight to tell the difference.


    Kudzu Craft Lightweight Skin on frame Kayaks.
    Custom built boats and Kits

  2. #2
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    What size are you looking for? If you have 3 phase power or a converter, you might find one from an industrial salvage yard, or used equipment dealer online. A 2-5hp 220v fan will be hard to find I think. Lots of 1.5hp 110v blowers out there for contractors/ventilation, and lot of industrial ones 3phase 5+hp.

  3. #3
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    Jeff, How many machines are you planning to run at a time?

    In my little shop I had all the major chip makers Table-saw, Jointer, 2 Planers portable & floor model, SCMS, RAS & combo sander. All hooked up to a 2 HP Grizzly DC.

    I didn't hook up the Shapers, Band-saws or Scroll-saw or the Spindle-sander, Mortiser, Drill-presses or Lathes. The router tables were hooked up to shop-vac's.
    I imagine I will hook up some more machines in the next shop but still only the ones that will be used the most.

    I've thought about a cyclone & am about where you are in thought of just blowing it out into a shop built dump trailer but now with having an older Bobcat with forks I think a box with a hinged top that can be picked up with the Bobcat & hauled out & dumped would be the way to go.

    I think if your shop tool situation is close to mine a 2 HP blower should work ok. Keep an eye on Craigslist for a regular 2 HP DC & just use the blower from it .
    Last edited by Bart Leetch; 10-23-2011 at 10:26 PM.
    "Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
    "If it ain't round you may be a knuckle dragger""Turners drag their nuckles too, they just do it at a higher RPM"Bart

  4. #4
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    Quote Originally Posted by Jeff Horton View Post
    I need dust collection really bad. I have a lot of sinus problems and I know some of mine are dust related. Money is tight, work is slow so buying what I want is not an option.

    One of the best ways is skipping the filters and just to dump the chips outside the shop and that takes the fine dust with it rather than keeping it airborne. (Yes it take out the heated or cooled air too.) I live in an area where that is an option. If I had a blower I could build something outside to catch the chips where I could haul them off. No need for filters and cleaner air.

    Which begs the question; where do I find a blower? Pentz web site has all the info on building one but if I could find a used blower, it would cheaper since I don't have any of the parts and I am all about cheaper.

    Any suggestions?
    You didn't mention it in your post, but are you using a good quality dust mask?

    I am in the same situation that you describe and I religiously use a dust mask with the replacable filters whenever I am creating dust or painting. It does wonders for my nose and sinuses. It's a bit uncomfortable at first but now I'm used to it. I wipe it down periodically with denatured alcohol and vacuum the filter ports often.

    The dust mask is in addition to a suspended air filter and "shop vacs" hooked to all my dust making tools. Hope this helps.

    OBTW, I also use eye protection when I am using power tools too. I get alergies in the eyes too. It keeps the dust and flying wood out of my eyes - which can't hurt.

  5. #5
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    It starts wars on some forums but reading Bill Pentz web site I am thinking I need at least 3 hp to get the amount of air flow to pull out the fine dust that does the damage.

    I have been thinking on this and so far I have found one blower from Penn State but it is still $400. Building a Pentz blower is at least $400 unless I just lucked up on used parts.

    Now I am thinking that watching Craigslist for a used unit and just using it for the blower. I have a good spot outside that I can put the blower and dust bins.
    God grant me the senility to forget the people I never liked anyway,
    the good fortune to run into the ones I do,
    and the eyesight to tell the difference.


    Kudzu Craft Lightweight Skin on frame Kayaks.
    Custom built boats and Kits

  6. #6
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    Quote Originally Posted by Jeff Horton View Post
    It starts wars on some forums but reading Bill Pentz web site I am thinking I need at least 3 hp to get the amount of air flow to pull out the fine dust that does the damage.

    I have been thinking on this and so far I have found one blower from Penn State but it is still $400. Building a Pentz blower is at least $400 unless I just lucked up on used parts.

    Now I am thinking that watching Craigslist for a used unit and just using it for the blower. I have a good spot outside that I can put the blower and dust bins.
    Depending on how extensive you make your ducting, the blower cost can be a small part of the expenditure. As an example, my cyclone cost about $1300; the duct, gates, etc. was probably another $2000. You can mitigate the cost by using flex and move it to the machine you're using, of course.

    As to the size of the blower, I can have several gates open at the same time and get good collection with my 3hp unit. Years ago, I started with a 1.5hp DC from Penn State and it worked great with one side of the wye going to my tablesaw full time and the other side on flex for whatever else I was using.

    I'm now using the 1.5hp blower as an exhaust fan in my finish area - works pretty good.
    Bill Arnold
    Citizen of Texas residing in Georgia.
    NRA Life Member and Member of Mensa
    My Weather Underground station

  7. #7
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    Jeff, I bought the harbor freight DC. For blowing outside into a trailer or pile, I think it more than satisfactory for that job. Wonder if you could find a similar unit on Craigslist. For my school shop, for the 9 lathes running, the DC did make a difference but for the fine dust, I just purchased and hung a JET air cleaner. That made a huge difference! I would have to wipe my eye glasses off at the end of each class hour, now with it running, I find I don't even have to wipe them off at the end of the day!! This unit now that I have purchased it, will build one for my home shop. It is all about filters and blower (old furnace blower). I haven't checked, but remember a post a year or so back that someone built one for their shop.
    Jon

    God and family, the rest is icing on the cake. I'm so far behind, I think I'm in first place!

    Host of the 2015 FAMILY WOODWORKING GATHERING

  8. #8
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    Here you go a shop built air filter.

    About $50 for the bag filter inside the unit & 2 pleated furnace filters. Built from scrapes & a free 3 speed heat system fan system.

    I don't know where to get the filter bag now days, I purchased mine a Grizzly but don't know if they have them anymore. Front of the system holds 2 filters 12" x 24".
    This has worked real well for me. I have another unit that is smaller & 1 speed that I can set behind my lathe & with a mask it helps a bunch.
    Attached Thumbnails Attached Thumbnails Shop built filter 1.jpg   Air Filter 001.jpg  
    Last edited by Bart Leetch; 10-25-2011 at 02:22 PM.
    "Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
    "If it ain't round you may be a knuckle dragger""Turners drag their nuckles too, they just do it at a higher RPM"Bart

  9. #9
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    The problem for respiratory systems is not what you see, but the microscopic stuff you can not see. From what little I understand that it what hurts you and most dust collectors and filtersw just keep this airborne making the situation worse.

    You needs LOTS of airflow at the cut to pull the dust in before it becomes airborne. So it's not about keep the shop clean, it's keeping the air clean and that is what I am looking at. I work with cedar which can be very toxic to some people. I don't want to develop that allergy and have to give up woodworking.
    God grant me the senility to forget the people I never liked anyway,
    the good fortune to run into the ones I do,
    and the eyesight to tell the difference.


    Kudzu Craft Lightweight Skin on frame Kayaks.
    Custom built boats and Kits

  10. #10
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    I agree... In any case I would wear a good filter mask. I turned some rosewood once with no mask, at the time not being aware of of how toxic the dust from it was & learned the hard way. I wear a mask all the time now when turning at the lathe.

    When I get my shop set up again I'll have the filter system behind the lathe & a filter mask as well as a fan blowing toward the filter system.

    I look great with my double filter mask clear face shield & a set of Peltors on. I may sound like Darth Vader even if I don't look like him.

    I thought my dogs would go crazy but no they just wagged their tails...ya we know it's you.

    The strange thing is with a beard I can put the mask on & cover the filters with my hands & inhale & it still collapses the mask toward my face & works great. It's a 3M mask.
    "Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
    "If it ain't round you may be a knuckle dragger""Turners drag their nuckles too, they just do it at a higher RPM"Bart

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