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Thread: Best starter welder for bar work

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  1. #28
    Expert Majestic's Avatar
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    Sorry for the bump. But I'd thought I would add some info.

    I am a qualified boilermaker by trade, I used to weld on the trains now running around in Sydney. Some points in this thread were of interest to me.

    Firstly welding isn't that hard, even for beginners. I understand the points about safety and agree totoally that a smaller project should be used before tackling a larger one that could become a safety issue if not done right. Best to get some experience first. Doing a pre-trade course at TAFE is a great way, I did one myself before I got an apprenticeship and I learnt a lot. It's basically doing your first year as an apprentice at Tafe all rolled up into 6 months, or 12 months if doing it only at night.

    ARC welding aka Stick are better suited for thicker material, all most all pressure welding is done via ARC rather than MIG. TIG is the another option, though on steel it's not a good option, better suited for stainless and aluminium.

    For manufacturing a bullbar a MIG welder would be fine. In the trade you can weld 10mm-12mm easily with a MIG, although for a standard 240V home supply I think 6MM is the max most of those off the shelf welders can do.

    Depending on the material you're welding a few factors needed to be considered. Aluminium for example is so easy to blow through as there is no heat spot visible when welding. Stainless warps easily, as it doesn't spread the heat like steel. Like those stainless steel BBQ's at parks and camping sites always heat up only where the gas burners are but don't spread the heat well to the edge of the plates.

    Quote Originally Posted by threedogs View Post
    Yeah gotta love the self darkening helmets, save heaps of time.IMO
    I tried one once while an apprentice, unless you pay the big bucks for them they aren't that good, you can still get flashed from them as they take a split second to darken on you. Using the standard helmet is a safer option.

    Quote Originally Posted by megatexture View Post
    What about a mig with gas less wire, I'm using it ATM and don't mind it.
    whats your opinions of it if you have used it
    The flux coated wire is not much different in principle to ARC welding, the wire is coated in a fluxed design to float to the top of the weld to protect the weld from the atmosphere. If I was welding at home with a MIG I would use flux coated wire. Saves on the gas costs. All you need is a new liner for your gun, and a welding tip and you're all set. Just remember you push a MIG (right to left if you're right handed) but drag a stick (left to right if you're right handed).

    Quote Originally Posted by sil3nt_dr3ams View Post
    Yes mate welding flash does hurt and it happens, it's always that flash you catch in the wrong spot. The worst part is you'll wake up in the middle of the night feeling like you have sand in the back of your eyes and trying to drive to work in the morning is painful. Your eye or eyes will be trying to close continually with any direct light.

    On a side note, welding will sunburn you. Arc is not so bad but mig welding will fry everything from your hand piece to under your arms. I have a bad habit of wearing just a shirt and gloves with a mig and i'll get blisters above the gloves and red raw sunburn under my shirt just before your armpits.

    You don't really feel how its burning you until the damage is done, I really should have taken the time to point this out in my first post.
    Not to mention a flash can over time cause damage to your eyes, and a welding flash is worse for your skin than the worst sunburn. You can get cancer from prolonged ray burn from welding, much easier than getting sunburned each summer at the beach. It's a reason why boilermakers on a hot summers day are covered head to toe in protective gear. I've had some bad burn in my time and it's not good.

    I hope this post might help those in-experience with welding.

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  2. The Following 3 Users Say Thank You to Majestic For This Useful Post:

    Bob (13th February 2015), MudRunnerTD (13th February 2015), neet_wagon (14th February 2015)

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