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Thread: Question for you CNC folks

  1. #1
    Join Date
    Jul 2009
    Amherst, New Hampshire

    Question for you CNC folks

    Is it possible to engrave a piece of soapstone or marble with the equipment you have ?????

    I assume that you would need a special carbide or diamond tipped bit. Soapstone is fairly soft and I've heard that a regular router bit may work.
    I'm looking for a name and date engraved on a piece about 10" x 14"
    Faith, Hope & Charity

  2. #2
    Join Date
    Feb 2008
    S E Washington State
    I'm sure a router bit would work on soap stone if applied carefully. I've turned quite a bit of soap stone on my wood lathe using my regular wood turning chisels. It is messy, you get a talc from it that a person may not want in their CNC equipment.
    "We the People ......"

  3. #3
    Join Date
    Jan 2007
    Sacramento, CA
    If it can be cut with woodworking tools, it definitely can be cut with the CNC - In fact, the CNC can often open up your material possibilities further since the cut is now more controlled and can be finely dialed in both in speed and depth of cut.

    I'm sure that a cutter can be found that'll be able to engrave marble and even granite. I've never cut soapstone but if it can be turned on a lathe, i would treat it like a dense hardwood. Shallow cuts, maybe lowish feed rate.
    Jason Beam
    Sacramento, CA

  4. #4
    Join Date
    Oct 2006
    Tokyo Japan
    My I carver does the fake stone stuff well, man made stone or marble for sure, don't know about soapstone and I think real marble is too hard.

    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  5. #5
    Join Date
    May 2007
    Kansas City, Missouri
    Jason is correct (and Stu). I'd offer, but mine is pretty loose yet for harder materials like that, still trying to get the play out of the Y and Z axis. I think both can be laser engraved as well. Holler at Pete Simmons to see if it's possible.

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

  6. #6
    Join Date
    Oct 2006
    ABQ NM
    Yep, I know a laser can do it. I've seen some of Pete's work on granite and tile. Not sure about marble, but I'd think that would be doable.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

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