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  1. #1
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    Default Tips for replacing chip collection bag with a hard drum?

    I have a Carbatec FM300 2hp dust collector and modified it with 150mm ports, etc. The dust bag (soft plastic) split and chips and dust were thrown all over the place. Instead of buying a few more plastic bags to collect the chips/dust I wondered if using a steel or hard plastic drum (150 to 200L) would work.
    It would, I hope, improve the system by ensuring (1) a split bag issue would not recur and (2) perhaps be easier to empty and reinstall compared to a pesky bag with a long steel band around its perimeter.
    Searching through pages and pages of threads here has not revealed anything yet.
    Has anyone replaced the bag with a drum and willing to share their thoughts?

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  3. #2
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    I think Derek Cohen has installed a hard drum on his 2HP DC and used a section of plastic collection bag as a large connector to mate the Drum and DC bag housing.
    Unfortunately it does not remove the "long steel band around its perimeter."

    In 15 odd years of using plastic sawdust bags the ones I have seen split are those at the mens shed where they bought some cheaper/thinner bags from a plastic bag supplier. The standard bags for my DC are quiet thick and I can reuse them many times - I don't care if they leak a bit as my DC is located outside my shed.

    My DC uses stiff plastic (HDPE) hoops to seal the filters and the plastic collection bags against the filter/bag holders.
    The bags are looped over the hoop as shown and then teh hoop is slightly collapsed in on itself and the pushed into place. Then they are "snapped" back to original hoop shape whereby they seal really tightly up against the filter/bag holder. This is much easier to use than long steel straps.

    DCbaghoops.jpg
    For the plastic collection bags an additional conventional steel strap is provided and is applied after the hoop has been installed on the collection bag. But as the bag is already held in place by the hoop installation is much easier.

    Magnets can be used to hold the plastic collection bags in place while the straps are applied.

    The other useful things I have seen are these clips.
    The metal strap can pLace inside the D section of the clip but it is also possible to use the clip over the strap to hold it up while it is being fastened.
    IMG_1569.jpg



  4. #3
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    I took a different approach by mounting the separator and filter directly to the drum. As I no longer need the three legs to hold the separator up, I mounted the separator to the lid and held it down with the leg screw holes. I have a rope from the shed roof to the pleated filter so all I have to do is tighten the rope to support the filter and separator, unclip the lid and roll the drum out. I suppose I could put bin liners in but so far it works
    fine.

    .E1584758-D9A3-4BE3-98A8-98E35AF4A4A2.jpg0E342620-278D-41B2-B97E-F3C4B6B5ED32.jpg

  5. #4
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    Apr 2001
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    Perth
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    Default



    Note that the cyclone is supported with a chain from the ceiling. This makes it easier to remove to clear chips. Only finer dust goes through to the DC ...




    One minute to remove, empty and reconnect.

    Regards from Perth

    Derek
    Visit www.inthewoodshop.com for tutorials on constructing handtools, handtool reviews, and my trials and tribulations with furniture builds.

  6. #5
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    Dereks implementation has two useful features going for it.
    The main one is that it's easy to see how full the bin is.
    There are a couple benefits to emptying the sawdust before it reaches the level of the plastic
    a) prevents a mess on the floor when the bin is emptyied,
    and
    b) helps maintains the effectiveness of the small amount of separation that these DCs produce thereby reducing filter clogging by chunky bits of sawdust.
    Most folks empty their collection bins when they are way too full.

  7. #6
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    Default

    Thanks for the feedback gents. Some interesting options.

  8. #7
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    Melbourne
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    I'm trying to head down that same path but can't find any suitable near 500 mm drums; otherwise I would have done it long ago.
    I tried waste bins but the side corrugations impossible to seal.
    Still looking.

  9. #8
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    Quote Originally Posted by verawood View Post
    I'm trying to head down that same path but can't find any suitable near 500 mm drums; otherwise I would have done it long ago.
    I tried waste bins but the side corrugations impossible to seal.
    Still looking.
    This sort of 50L drum would be ideal if you used a clear plastic joining sleeve
    A large hole could be cut in the black top and the plastic sleeve pushed down thru the hole and out over the lip of the drum and then the large clamp clip thing closed
    Snorkle.jpg

    The drum is one I use for Metal bluing.
    It contains two small (500mL) plastic containers each containing about 50mL of highly corrosive acid - usually the small containers are closed but when metal bluing takes place they are open (but the black lid is sealed for many weeks at at a time. If the black drum lid seal leaked, any nearby metal would be corroding, but over 7 years nothing has corroded provided I have made sure the clip is closed.

    The drum came from a find who ran a Water Purification company and imported the drums (filled with water deionising resin) from France. I used tp pick about a dozen at a time up from his premises and take them to the mens shed where they sold them for $5 each. I've seen them for sale on gum tree for about $25. For the Herculean amongst us they also in 200L.

  10. #9
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    Aug 2004
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    Quote Originally Posted by derekcohen View Post
    So Derek where did you get the drum from that under the dust extractor? Thanks Rod
    Experienced in removing the tree from the furniture

  11. #10
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    Nov 2006
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    Wollongong
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    Hi I use a steel galvanised rubbish bin, joined with a garden waste bag (from bunnings that i cut the bottom out of) to the main unit. I use 2 ratchet straps to seal the bag to the bin and extractor. Works pretty well

  12. #11
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    I am contemplating using a wheelie bin where Derek has his plastic bag.
    putting pull down clips on the wheelie bin lid, cutting as large a hole as possible in the lid, putting some sort of lip over the hole then a shrt piece of plastic (as Derek) for viewing at your pleasure.
    I would love to grow my own food, but I can not find bacon seeds

  13. #12
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    Another option is to get your local vinyl products supplier to custom fabricate a converter sleeve from clear or vinyl. I could also include a hem both ends to retain the band clamp, less juggling when emptying the drum. No reason it could not be made from a heavy waterproofed duck canvas for a DIY solution if you have an obliging missus with a sewing machine. may cost you though .
    Mobyturns

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