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Etching logos on a DLC coated stainless blade?

Discussion in 'Maintenance, Tinkering & Embellishment' started by GlockMonkey, May 15, 2019.

  1. GlockMonkey

    GlockMonkey

    54
    Sep 8, 2002
    Thinking of picking up another Cold Steel Broken Skull and removing the DLC and the ugly logos. I was thinking about trying to etch the small Cold Steel logo and the steel type before stripping it. I've never tried electric or pcb etching, but I've read a little and most of the examples are carbon steels with epoxy type coatings. Will either of those methods work on something like XHP or S35VN with a DLC coating? Also, is there any way to chemically remove the DLC? I'm assuming I'm going to have to sand it off, right?
     
  2. Bill DeShivs

    Bill DeShivs KnifeMaker / Craftsman / Service Provider Knifemaker / Craftsman / Service Provider

    Jun 6, 2000
    I can't imagine WHY you would want to remove the DLC coating, but you're going to have a hell of a time trying to do so.
     
  3. GlockMonkey

    GlockMonkey

    54
    Sep 8, 2002
    Well, I slightly prefer a plain blade to a black one and I've already got several black cold steels, but really the main reason is to get rid of that huge BROKEN SKULL!!! logo on the front :)
     
  4. If you're lucky, the white/light-colored logo is just 'inked' (or painted, essentially) on top of the DLC. If so, it might be a little easier to remove with chemical stripping agents or whatever.

    The DLC itself is electrostatically bonded to the steel and extremely hard, and can only be removed by grinding or sanding the surface. And even that might not be easy without powered grinding tools.
     
    Last edited: May 16, 2019
  5. eKretz

    eKretz

    891
    Aug 30, 2009
    The logo is probably laser etched. DLC can be mostly stripped electrolytically (still needs a little light sanding), burned off with plasma or just mechanically abraded. Knocking it off with a belt sander isn't very difficult as although it's extremely hard it's almost universally a very thin coating.

    I removed the DLC coating from a Pro-Tech knife once when I wanted to thin the blade behind the bevel. It didn't take but a few seconds with a belt sander. Had I not wanted to thin the blade I would have kept the coating for sure, it's good stuff.
     
  6. Chris "Anagarika"

    Chris "Anagarika"

    Mar 7, 2001

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