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  1. #11
    I found a video showing this, I'm amazed that it works.

    http://www.nemi.com/flow_thru_vacuum_demonstration.htm

    One on YouTube as well.

    http://www.youtube.com/watch?v=Egw6l...eature=related

  2. #12
    Thats it TheChunk..!!!

    I remember the bit about taping up the edges now.. Well found..! Just pulled apart my cnc for another upgrade so cant try it this week, but will definately give it a go next week.. Thanks dude..

    Steve..

  3. Using MDF as a spoil board on top of a vacuum table is quite common (check out cnczone.com or woodworkforums.com).
    I seem to recall a recommendation of sealing the edge of the spoil board with paint.

    Standard MDF is certainly porous.
    Regards
    Geoff
    My home

  4. #14
    A wrap door machine uses vacuum to pull the pvc covering over the door . mdf is indeed porous. not sure about hdf though

  5. #15
    just came across this while browsing

    http://www.cncroutershop.com/product...ificial-sheet/

  6. #16
    I don't exactly know if this has been resolved however as Toddy said about MDF being non porous i believe he has had the sherbets.
    I use 6mm and 4mm MDF and this is perfect for Vac pump.
    I am currently looking for a different material that is more porous as using VillMill material is a good extra for any wasteboard.

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