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  1. #31
    Join Date
    Jun 2010
    Location
    Canberra
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    1,322

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    Oh, and as for watching vids, apart from Jody and Bob, I'd recommend This Old Tony for more fabrication-orientated videos with plenty of TIG - he recently did a series on building a go-kart for his kids, and apart from wanting him as a dad, I found his use of TIG for fabricating not just the frame, but multiple mechanical components, really informative.
    https://www.youtube.com/watch?v=v_1UO1GTsg0

  2. #32
    Join Date
    Feb 2010
    Location
    Ballina, NSW
    Posts
    900

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    Quote Originally Posted by RustyArc View Post
    Grahame, one additional aspect of AC balance that I hadn't heard about until mentioned by a German guy on Youtube, is that greater electrode negative balance, while increasing penetration, also preserves the point on the tungsten.
    and also the higher EN will reduce the width of the etching/cleaning zone. With new clean aluminium I always just have my AC balance turned down as low as it will go on my machine (from memory I think that's 30%).

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