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Thread: axles sizes

  1. #31
    Senior Member HYPNTK's Avatar
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    wow, thanks for your diagram hen...that was exactly what i needed to see...and thanks blown86 and cerby and anyone else who put in their 2bobs for your help too...

    i'm not sure what you call the welder i'm using...its on of those (sort of new style i think) where the wire feeds through the nosle by the push of a button and you can regulate the heat and the speed of the wire etc....this welder is suitable isn't it? (i hate the ones with the sticks...i can never do it right)...also what kind of metal is it that i'll be welding? should i just use a mild steel wire or would it be ok if i used stainless wire?

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    Veteran mc68's Avatar
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    grab a can of anti-splatter...very nifty for when u dont want spatter on important bits, like exhausts and shit

  3. #33
    Senior Member HYPNTK's Avatar
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    i could have used that info 2 weeks ago when i was welding trolleys for my dad man! the things you learn...

  4. #34
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    The welder you are referring to is a MIG welder. Make sure you are using a gas also well that is suitable for low/medium carbon steel. Argon, Argoshield (combination of Argon and some other gasses) and also Carbon Dioxide are used as shielding gasses. I think Argoshield is suitable for welding diffs.

    You MUST use a low/meduim carbon steel wire as you want to try and closely match the composition of the steel you are welding. DO NOT use a stainless wire to weld your diff.

    As far as using lead to fill your centre, I cant see that being very strong as lead, although more ductile than steel, it has a very low yield strength, and will therefore deform and eventually brake under lower loads.

    Hen's diagram FTW

    I believe its important to weld the spider gears to the housing as it spreads the load to the housing, not just the spider gears. I have seen diffs with excellent welds to the spider gears only, and due to the high loads, the spider gears have shattered.

    ALSO: Once you have welded your diff, allow it to cool SLOWLY. Do not wet it and try and cool it fast (quench), as you will increase the brittleness of the welds, and they will be more likely to crack and fatigue.
    AE86 4AGE "Slowly but surely"

  5. #35
    Senior Member HYPNTK's Avatar
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    ok thanks a lot for that info man...its a great help...i have a few freinds that can help do it for me and stuff but i am trying to get as much of a hands on approach to this project as i can

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