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Thread: SCMS mobile base 2nd design

  1. #1

    SCMS mobile base 2nd design

    Well I got to work this weekend on my new SCMS mobile base. It's 18" longer than the old one not counting the wings but sure seems like it takes up less space.

    Assembled but before the face frame is made and attached.
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    With the poplar face frame made and attached to the front. The cabinet was pretty stiff already but when I glued on the face frame it's like it became a solid piece of wood.
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    I also made sure it was the same height as my table saw. I've noticed that since I redid the cabinets in my shop and made all work surfaces the same height everything seems to flow effortlessly now.
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    I also made sure I get my full 58 degrees to the right and 47 degrees to the left.
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    And I used a piece of 2" x 4" steel tubing I had left over from my mobile table saw cabinet build to support the front of the cabinet.
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    The slot mortiser is going to be on a pull out shelf with some drawers in the space in the upper right of it along with drawers in the opening to the right.

    I haven't quite locked down a fence design yet but I'm close. I think I'm gonna do something similar to this but out of wood.

  2. #2

    Thumbs up

    Well I got the fences made and I also made a stop out of the phenolic I have.
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    Next I tackled the dust collection. I did alot of research on the net and on you tube and this is what I came up with. I have a 6" inlet that is divided into two plenums.
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    Each plenum feeds a 4" hole on each side of the SCMS.
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    I determined the size of the holes by dividing the area of a 6" pipe in half and came up with two 4" holes. The reason for the divided plenum was to equalize the suction between the two holes. This setup works way better than the one on my old SCMS mobile cart and takes up less room.

  3. #3
    Join Date
    May 2007
    Kansas City, Missouri
    Great idea on the split plenum Alan. Sorry, totally missed your first post on the cart, looking good!

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

  4. #4
    Join Date
    Jul 2009
    Amherst, New Hampshire
    I'm following this closely. I've been searching for a base for my scms for quite some time. Efficient dust collection has been nearly impossible on my Dewalt.
    Faith, Hope & Charity

  5. #5
    Here is a short video of cutting up the old extension wings from my previous SCMS mobile cart to demonstrate the dust collection. All it is are two 4" holes one on each side and a 2" hose connected to where the dust bag would normaly connect and the other end stuck in one of the 4" holes.

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