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Clean edges on cnc routed dibond

Discussion in 'Dimensional Signs' started by jhd, Apr 9, 2018.

  1. Emd2kick

    Emd2kick Member

    61
    14
    8
    Jan 18, 2018
    New Jersey
    No burr whatsoever on our Colex, either cut through or engraving...maybe call Gerber, because dibond is not a difficult route...
     
  2. billsines

    billsines Member

    174
    43
    28
    May 24, 2016
    Lagrange
    If your cuts are like a tuna can, I suspect there is something amiss with your machine. Not getting your settings right or using a dull bit can do that. You might even have excessive machine flex, or even machine slop due to wear of parts. I just had to replace some gear rack on one of mine last Thursday. Think about it, if you have a lot of wear somewhere, that will translate into sloppy movement, that will translate directly to your cut. Check out all your components and see if there is any slop due to wear.
     
  3. JBurton

    JBurton Custom Applications Specialist

    64
    11
    8
    Sep 28, 2017
    Arkansas
    Don't forget to make certain your cutting in the right direction. I believe 99% of router bits are made for clockwise cutting, leaving a finished edge on the part and (possibly) a burred cut on the drop side.
     
  4. CamTX

    CamTX The Granbury Wrap & Sign Guy

    79
    15
    8
    Mar 7, 2017
    Granbury, TX
    We have an older ShopBot and get perfectly clean edges on ACM all the time. We use a 1/8" end mill bit, 3 ips, 16k rpm.
     
  5. jhd

    jhd Member

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    0
    6
    Apr 9, 2010
    Elmira, New York
    Duh... I figured it out. My spindle was going in the wrong direction... Cutting like butter now. Thanks to all that helped!!!

    Mike
     
  6. astro8

    astro8 Active Member

    740
    5
    18
    May 23, 2009
    Sydney, Australia
    We use a bits designed to route stainless steel to cut acm/acp. Single flute upcut at 400-500-600 inches per minute, climb cut at 24000 rpm but that's on a Biesse with 50hp of vacuum. Downcut bits work well too, as long as your spoilboard is freshly surfaced.
     
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