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  1. #1
    Join Date
    Sep 2012
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    ont Canada
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    Default new flexible vac hold down design

    This design is the best so far as with different o rings you get different hold down techiniques
    with 4 of these hold downs ,you7 get a lot of vac power to hold a large surface area
    Took about 40-45 minto make


    maching out a multi use vac holdown device - YouTube

    some testing included
    Attached Images Attached Images

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  3. #2
    Join Date
    Dec 2004
    Location
    Up North
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    1,799

    Default

    Hi Stan
    Care to share the files, please?
    Would like to make some
    Every day is better than yesterday

    Cheers
    SAISAY

  4. #3
    Join Date
    Sep 2012
    Location
    ont Canada
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    401

    Default gcode

    are you a mach 3 user?
    thats the file i can send

  5. #4
    Join Date
    Mar 2007
    Location
    Melbourne - Mexico
    Posts
    655

    Default

    Quote Originally Posted by woodman12 View Post
    are you a mach 3 user?
    thats the file i can send

    He would need the DXF, not the GCODE file as it may not suit his machine parameters, or other peoples

  6. #5
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    Sep 2012
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    ont Canada
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    401

    Default file share

    exactly,the gcode is really not useable

  7. #6
    Join Date
    Jan 2012
    Location
    Springfield Lakes
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    60

    Default

    Quote Originally Posted by woodman12 View Post
    exactly,the gcode is really not useable
    Hi Woodman

    What software did you use to design the hold downs? Would you care to share the design software file?

    What size is the 'O' ring rubber?

    what vacuum pump is used and do you store the vacuum or just rely on the pump to pull the piece down?

    Sorry so many questions!

    Craig

  8. #7
    Join Date
    Mar 2007
    Location
    Melbourne - Mexico
    Posts
    655

    Default

    Guys, if your interested in a Vac table, there were good threads started ages ago here on the subject.
    Here are the links:

    The primary thread
    https://www.woodworkforums.com/f170/v...lamping-90435/

    Good reading:
    Vacuum Clamping (Vacuum Hold-Down Jig)

    Gregs attempt: Write up on the zone
    Another Aussie Adventure in Vacuum Clamping

  9. #8
    Join Date
    Mar 2007
    Location
    Melbourne - Mexico
    Posts
    655

    Default

    So, i spent 10 minutes and drew up Gregs table layout for anyone who wants it.
    It is spaced as per the Zone thread.

    /M
    Attached Files Attached Files

  10. #9
    Join Date
    Sep 2012
    Location
    ont Canada
    Posts
    401

    Default vac hold down designs

    I used aspire 4.0 to design the hold downs after many different designs this one is flexible and very usefull
    The O rings are about 5/16 diameter and came in a package of three ,so one can use each puck 3 differnt ways or sizes
    I am using a 1/3hp oil free gast paump whicjh is rated at 21 in mercury.It will run 4 of these hold down devices,i asked about a vac staoarge (tank)
    and found that if you can put up with the noise its better to just run the pump all the time,the noise is white compared to the router abd dust collection.
    It works very well and it was affordable
    I don't share files

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