Welding newbie need advice

Discussion in 'Motorized Bicycle Welding, Fabrication and Paintin' started by ferball, Mar 30, 2011.

  1. flybytaco

    flybytaco Metal Molding Madman

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    there are some sick welding procedures that goe into ships wow like the 300 foot beads on the side of a ship where they have rails that the welder rolls on
     
  2. "the prussian" Shop Dogs

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    Robot's are takin over the world, just kidding . Yea if your in a shipyard and you see a guy whose clean and carrying a folding chair. You can be assured he works a robotic welder. There cool and all but putting those babysitters in the same grade as real working welders is a joke .
    I was lucky to run my own shop and worked on every type of matt. You can think of ,from latex to fiberglass to hundred year old steel .
    It's a bad sign for a country when they start fireing all the skilled tradesmen from jobs that have been around for a century. I haven't worked since!
     
  3. flybytaco

    flybytaco Metal Molding Madman

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    practice makes perfect as long as the tools are up to par usually. I'm about to try a 200$ hf mig welder just to tack stuff up either that or i need to invest into a 3rd arm lol
     
  4. 2door

    2door Moderator
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    Taco,
    You're gonna love that High Frequency rig. Makes everything nicer.

    Funny story: When I got my first HF machine it was back before cable TV. People used antennas. The HF from my welder would screw up my neighbor's reception, bad. I didn't realize at first it was me who was messing with their TVs but when I finally figured out what it was, I kept quiet. It was about that time that Cable started coming to the neighborhood so their problem eventually went away.
    Tom

    LOL, just realized you're talking about Harbor Freight...not High Frequency. Sorry :) Maybe you'll enjoy the story anyway.
     
    #24 2door, Apr 2, 2011
    Last edited: Apr 2, 2011
  5. Estaban

    Estaban New Member

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    ....one more thing to add to all the good info already posted...you can pre-heat the thicker steel with a propane torch, better penetration on the heavier steel, without burning up the thinner...just my $.02
     
  6. Dan

    Dan Staff
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    I was just gonna say that Estaban. I am brand new to welding and found that some where. Works well. Really is cool to be able to do all the stuff a welder allows for. My welds are still mighty fugly but they hold well.

    My next project is the "2Door, door less" MB car carrier.

    What thread is that on Tom?
     
  7. 2door

    2door Moderator
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  8. Estaban

    Estaban New Member

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  9. Dan

    Dan Staff
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    Purty cool Estaban. Gotta love the opening;
    "I'm a welder.

    I am not a PHD,

    and I am certainly not a webmaster.


    Most welders I know don't give a rats butt about stuff like when acetylene gas was discovered...me neither.

    So what I try to do is just boil things down into down and dirty welding tips like the one in this short video on how to get the "Stack of Dimes" look on aluminum tig welds."


    Thanks for posting. Saved it.
     
  10. spit_fire

    spit_fire New Member

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    i got a question since everyone is on the welding topic, i have a little solar fluxcore wire mig welder at home (about the size of a minature coolar) and i also use a 220v lincoln at work (not sure of the model) now when i weld sometimes the welder stops spitting out wire or struggles to feed it smoothly all the time, on my fluxcore it sucks because it flatens the wire where the little wheel feeds it threw and than i need to assist it past the flattened portion of the wire. Im carefull not to let the spool unwide when installing it and i use what i consider a good amount of tension on both the spool and the wheel that feeds the wire (if i go to light it doesnt pull the wire threw and the same if i put to much tension). Now recently this started happening at work with the lincoln and my foreman said it always did this and its really annoying so i am here to ask you guys on any suggestion on what i can do to get more grip on the wire (i was thinking of taking a small file or a piece of sandpaper and roughen up the surface of the wire feed wheel, anyone think this is a good idea? any other suggestions?
     
  11. turtle tedd

    turtle tedd Member

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    This has always been a problem on Mig machines..Replace the feed rollers and the liner...tension adjustment is critical--must be just right..This is the reason the better quality mig machines have both a push roller setup near the spool and a pull roller setup inside the gun...Watch you tips inside the gun..if they start to burn ,change them , they do not last forever, the liner behind the tip will burn and clog up
     
  12. 2door

    2door Moderator
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    Turtle Ted is right on here. Heed his advice. The tension on the spool should be just enough to keep it from unwinding. If you're flattening the flux core wire there's too much tension on the drive roller.
    The inner lining could be wearing out and/or rusty/dirty. I have an option on my Hobart that applies a lubricant to the wire just as it enters the liner. It was a Hobart option so I don't know if there's such a thing for your machine.
    Above all the tips MUST be clean and free of slag; a problem with flux core wire and a good reason to look at a gas setup. They burn much cleaner.
    Good luck. Let us know if these suggestions help.

    Just thought of a question: If MIG is metal/inert gas but the machine is not setup for gas and only uses flux core wire, is it still a MIG welder? I'd think you'd call it an MF :)
    Tom
     
  13. turtle tedd

    turtle tedd Member

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    A Mig welder that is not , or can not be set up for gas is .................never mind
     
  14. spit_fire

    spit_fire New Member

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    i know i know i agree not much of a welder now is it, i have used "REAL" welders and seen the diference this is just what i have for now, a good welder will run me about $650 (i know its not much for a welder but i can get a decent lincoln when they go on sale for that price) and i need to run a 220v plug to my garage (if im going to buy a new welder i dont want something slightly better i want something good that will last and perform)and as well im not doing to much welding at the moment im not producing nothing just mostly messing around so i cant really justify spending that money right now when i do have access to better welders when i need them. Also more on the topic of cleaning and replacing roollers and linings, soo let me get this straight i need to replace the rolers inside the mig (both or just the driving one? i also noticed that the rollers have 2 groves to them shall i turn it the other way and try the other groove?) and the lining inside the grip or inside the machine or both? any way of celeaning the path of the wire??? and should i maybe remove the tube/cable (im not sure whats it called maybe someone can tell me, im reffering to the cable that connects the gun to the welder and allows the wire to travel threw it?) and clean it maybe i can hold it up and spray some sort of lubricant threw it, and suggestions are wlecome if its a bad idead just tell me i wont do it, thanx guys and keep the advice coming :)
     
    #34 spit_fire, Apr 5, 2011
    Last edited: Apr 5, 2011
  15. flybytaco

    flybytaco Metal Molding Madman

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    pull the wire out of the liner and blow it out with an air hose. inside the machine before you send the wire back into the liner stick the wire through an earplug then into the liner this acts as a wiper and kinda keeps the wire clean before it heads through the gun. just an old trick i've used for awhile
     
  16. wdbtchr

    wdbtchr New Member

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  17. 2door

    2door Moderator
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    Check here> Weld-Aid Products
    for some help keeping your welder/wire/tips clean and working right.
    Tom
     
  18. spit_fire

    spit_fire New Member

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    Thanx 2door, what are the odds the only location to buy those products in Canada (at least whats posted on theyre site) is only 15 min away from my house, i have yet to enter a store dedicated to welding :)
     
  19. 2door

    2door Moderator
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    Good luck, Spit Fire. Please let us know how you're doing.
    Tom
     
  20. flybytaco

    flybytaco Metal Molding Madman

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    I have been following jodys tricks for a year now. I highly recomend to any newb to subscribe to his trick and hints he sends you a new installment of the course every day for 7 days check it out. He's a good teacher lol
     

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