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  1. #16
    Join Date
    Oct 2011
    Location
    Norwood-ish, Adelaide
    Age
    59
    Posts
    6,540

    Default

    I must admit that although always meaning to get one, I haven't got a dedicated grinder either. The issue is all about contamination control. If you are doing non structural work (that is, welds that are not critical to the structural integrity of the piece, and are not highly stressed) on materials that are tolerant of minor contamination then you will probably be fine. At the opposite end of things if you are doing critical work to a welding code on intolerant materials, then you can't afford to take that chance.
    Provided that the wheel is clean (not clogged with other materials) for trying things out you should be fine. if you like the process then there is time enough to get another grinder.

    Michael

  2. #17
    Join Date
    Mar 2014
    Location
    Sydney
    Age
    46
    Posts
    121

    Default

    That was just an example, 4 meters would be fine
    Mainly just to confirm that would be what was needed. I also did see a youtube video stating that its a good way to learn as there is no adjustment on the fly with Amps so speed and puddle control come very much into play

    Quote Originally Posted by Com_VC View Post
    That's 8 metres long, do you really need it that long. You can get them in around 4 metres as well.

  3. #18
    Join Date
    Jun 2010
    Location
    Canberra
    Posts
    1,322

    Default

    I'm still pretty new to TIG, but for sharpening electrodes, which I do in a batch after ruining my set of 10, I chuck each one up in a drill, then using my bench grinder that has a coarse wheel on one side and a linisher on the other, with the drill running at max speed, grind off major gunk on the side of the wheel, then move over to the linisher and finish it, in line with the belt, to a nice point (again with the drill running) using whatever belt happens to be on it. It takes maybe a few minutes to process all 10 tungstens, ready to be dipped again

    As far as I can tell, the electrodes don't seem to be significantly contaminated, in that they produce a nice clean arc. Until I dip them.

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