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Thread: Learning to weld.

  1. #11
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    "just buy a mig and some practice steel its very easy to mig weld"

    and very easy to make a bad weld look good...

    the best tip I can give you about welding is to be very careful in preparing the joint for welding.

    No rust

    No galv

    no paint within at least 1/2" of your intended weld bead. contaminants in the weld can cause porosity, cracking and other bad things.

    It is easier to weld 2 bits of metal that fit well together than to try to fill a gap with weld metal

    practise on scrap a lot.

    learn about welding, research:

    penetration

    cold shuts

    checking

    quench cracking


    don't make safety critical welds until you are competent

  2. #12
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    Thanks all for input. Firstly I will check with electrician if he can install 15A plugs in my garage.
    I am prepared to spend reasonable money to get a decent Mig, looking at a Handymig 170i so far and I will be asking for education when I buy the unit.
    Then will practice........
    It is a pity that hobbiests can no longer get short education courses from TAFE.

  3. #13
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    Quote Originally Posted by defenderbilby View Post
    Thanks all for input. Firstly I will check with electrician if he can install 15A plugs in my garage.
    I am prepared to spend reasonable money to get a decent Mig, looking at a Handymig 170i so far and I will be asking for education when I buy the unit.
    Then will practice........
    It is a pity that hobbiests can no longer get short education courses from TAFE.
    try calling a few tafe's I'll be surprised if none do any short courses.
    Failing that get the contact details of the long course tutor he might do private lessons lots do. Or maybe an AULRO-ian who lives close to you might offer a hour or two's assistance if there are beer n snags thrown in

    I bought a real cheap gassles mig because I use it VERY seldomly and didnt want the hasle/expense getting gas.
    Best advise I can suggest is get an automatic darkening helmet, makes life much easier and spray your mig gun/nozzle with spray canola oil,(yes th ekitchen stuff). Smells like frying bacon but helps stop bits of crap sticking to your nozzle.

  4. #14
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    Mr Bilby
    don;t know how west you are,
    and cant; remember the name, of the adult education group
    zook should know he only lives down the road,
    but at Menai Highs school they have night classes in welding graham? runs them.

    http://www.sgscc.nsw.edu.au/s/about_us


    thats the link, give them a call, I think they still do the night classes, I did mine 4 1/2 yrs ago when I lived there.



    john

  5. #15
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    Thanks John, followed that link and there is a course in Feb. next year.
    Cheers, David.

  6. #16
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    also the thing with a mig is if the weld looks **** then it is and if it looks good then you know its bit in, so if it looks bad grind it and start again

  7. #17
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    Quote Originally Posted by defenderbilby View Post
    Thanks, I had a look at TAFE and couldn't see a basic course. Will give TAFE a ring tomorrow and see what is on offer.
    David.
    These days, in TAFE NSW, they tend to "farm out" short courses to the Community Colleges, however, the equipment need in your eg. may preclude such an option.

  8. #18
    Ruslan Guest
    Hi David,

    IMHO, this is the best place: MIG Welding - The DIY Guide

    Cheers,
    Ruslan

  9. #19
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    Quote Originally Posted by defenderbilby View Post
    Thanks John, followed that link and there is a course in Feb. next year.
    Cheers, David.
    well if your not in a hurry, I can recommend grahams classes, you get a chance to try stick mig oxy, and tig, plus work on your own projects.
    I did two semesters with him and it was great, using someone elses gear.
    and Graham had an adage that if you weren;t happy with a weld hit it with a lump hammer, if it broke it was no good, simple and effective.


    john

  10. #20
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    Quote Originally Posted by JohnE View Post
    well if your not in a hurry, I can recommend grahams classes, you get a chance to try stick mig oxy, and tig, plus work on your own projects.
    I did two semesters with him and it was great, using someone elses gear.
    and Graham had an adage that if you weren;t happy with a weld hit it with a lump hammer, if it broke it was no good, simple and effective.


    john
    That's cheap, most the ones in Melb are $300-$400 !! Anyone know of any around Melb that are cheaper courses ?

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