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  1. #1
    Join Date
    Jul 2011
    Location
    Melbourne
    Age
    61
    Posts
    11

    Default Difference in Push/Pull with MIG

    I read somewhere that more penetration is achieved using the Pull (backhandhand) method.

    What I'm finding is that I'm getting more penetration using the Push(forehand) method.
    What's right? Or is it me welding at different speeds sub-consciously?

  2. #2
    Join Date
    Apr 2011
    Location
    Brisbane
    Posts
    91

    Default

    Hi mate,

    could you perhaps be pulling at a greater angle than you're pushing?

  3. #3
    Join Date
    Jun 2011
    Location
    Roxby Downs Sth Aust
    Age
    47
    Posts
    205

    Default

    i was taught to push but, saying that i was also told by a boilermaker when i was an apprentice that you can push or pull.

    i think the push thing is about chasing the gas and keeping the weld pool enveloped in the gas rather the pulling an possibly exposing the weld pool to atmospheric impurities.

  4. #4
    Join Date
    Jun 2010
    Location
    Canberra
    Posts
    1,322

    Default

    I was told you can do either, since the nozzle puts out shielding gas all around the wire. I usually only pull where the position of the weld means I can see where I'm going better.

  5. #5
    Join Date
    May 2008
    Location
    Australia, Qld, Toowoomba
    Posts
    50

    Default

    Mig welding push or pull

    Pull will give more peno. This is especially true with flux wires and metal cored wires. There is a saying, if it's got slag, drag.


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