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Thread: Long Welds

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  1. #1
    Join Date
    Aug 2007
    Posts
    729

    Default Long Welds

    Hey Guys,
    This is probably a basic question, but here goes. I have a tendency when making longish welds (over 6") to want to stop and reposition myself and then continue on with the weld.
    1. Is this incorrect?
    2. If this is correct is it as strong as a continuous weld?
    3. In addition when you stop and start is there a technique to make the weld appear continuous?
    Thanks,
    Nick
    MM210 75/25 Ar/CO2 0.35 Wire

  2. #2
    Join Date
    Aug 2007
    Location
    Seattle,WA
    Posts
    55

    Default

    I got over this problem by keeping my upper body rigid and taking small side steps with my feet. Allow for a little bit of play with your arms so you don't move the gun around when side stepping. Or you can start by leaning over where you are going to start so you are giving your self a foot or so of weld befor you get to be upright.
    Welders do it hotter!!
    www.Munsonworks.com

  3. #3
    Join Date
    Dec 2006
    Location
    Alaska
    Posts
    732

    Default

    Quote Originally Posted by kiwi View Post
    Hey Guys,
    This is probably a basic question, but here goes. I have a tendency when making longish welds (over 6") to want to stop and reposition myself and then continue on with the weld.
    1. Is this incorrect?
    2. If this is correct is it as strong as a continuous weld?
    3. In addition when you stop and start is there a technique to make the weld appear continuous?
    Thanks,
    Nick
    MM210 75/25 Ar/CO2 0.35 Wire
    Relax no problems with having a restart every 6"-8". Just think of it this way how long would a SMAW stick get you about 6-8"'s

    A bit of grinding on the leading edge of your weld (the point where you are going to restart) making a small notch to restart in is all that is needed.
    TJ______________________________________

  4. #4
    Join Date
    Aug 2007
    Posts
    729

    Default

    Thanks for the info!
    Glad to see you on the board TJ!!!!
    Nick

  5. #5
    Join Date
    Jan 2007
    Location
    Rosetown, SK.
    Posts
    519

    Default

    I use Andy's method of 6 - 8" beads,reposition & when I restart I go about 1/8" ahead of where I stopped I once started back quickly into where you stopped beore & then continue on. Seems to work O.K. for us.

  6. #6
    Join Date
    Dec 2006
    Location
    Alaska
    Posts
    732

    Default

    Quote Originally Posted by kiwi View Post
    Thanks for the info!
    Glad to see you on the board TJ!!!!
    Nick
    Thanks Nick

    I will pi$$ someone off soon and will have to leave again, but such is the life of someone so gifted as me lol


    Your question was a good one in that I have seen other allude to the idea that a single long or single pass weld is always better than a multi pass or interrupted weld.

    Welding done correctly will not know it was multi pass or interrupted.
    TJ______________________________________

  7. #7
    Join Date
    Aug 2007
    Location
    So. Cal
    Posts
    335

    Default Duty Cycle..

    Don't forget your duty cycle on those long welds.

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  8. #8
    Join Date
    Dec 2006
    Location
    collinsville, ok
    Posts
    86

    Default

    i do alot of long welds and the first thing i can say is if you brace with a wrist, forearm, elbow, whatever, don't put your weigt on it. just use it to steady the other hand. as for making restarts look good stop on your starts.

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