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  1. #1

    Default Grinding Tungsten - Red Hot

    Does it harm the tungsten when grinding it if it gets red hot from the friction of the wheel?

  2. #2
    Join Date
    Nov 2003
    Posts
    3,092

    Default

    Quote Originally Posted by stickermigtigger View Post
    Does it harm the tungsten when grinding it if it gets red hot from the friction of the wheel?
    in my experience... tungsten does not usually heat up that much when ground...

    are you grinding very agressively??

    or really leaning on it??

    guess I would suggest going a bit easier on it... no need to get RED hot...

    Here is a quick video..

    ".Preparing a Tungsten Electrode for TIG Welding ."

    http://www.youtube.com/watch?v=7KYwbuKQYbs
    Last edited by H80N; 08-09-2013 at 10:12 AM.
    .

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  3. #3
    Join Date
    Mar 2012
    Location
    Brookshire, Texas
    Posts
    21

    Default

    I would think it depends on the type of tungsten, I weld mostly stainless so I use red band which usually never gets red when I grind it, now my green band tungsten does but it hasn't affected my welding

  4. #4

    Default

    [QUOTE=H80N;310531]

    are you grinding very agressively??

    or really leaning on it??

    QUOTE]

    :-) Yeah I tend to be impatient with just about everything.

    Since during the weld it can get to ~10,000 (white hot) degrees so assumed it probably didn't hurt it but was curious.

    (GTAW electrode temps - http://hypertextbook.com/facts/2007/AnthonyHo.shtml)

    Can't hurt to not get it that hot though I guess.

  5. #5

    Default

    It get's way hotter than that when welding with it. And you reuse it for more than one welding session. So in light of that, anything you do to it with a grinding wheel (as far as heat is concerned) isn't going to damage it in any way.

  6. #6

    Default

    Although when welding it is in an inert gas cloud. Mine gets dipped for extra protection.

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