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Type: Posts; User: brenton21

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  1. Replies
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    Can't just straighten it? It'll only be kinked...

    Can't just straighten it? It'll only be kinked after the inside weld
  2. Replies
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    6,883

    Nitto Australia Pty Ltd - Industrial Tools...

    Nitto Australia Pty Ltd - Industrial Tools

    Seen these?
  3. Replies
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    so my 3.2 ally rods should need 32L/m :rolleyes: ...

    so my 3.2 ally rods should need 32L/m :rolleyes:
    10x wire dia. would be minimum MIG flow rates, Tig is a little lower
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    Best of luck to you both.

    Best of luck to you both.
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    252579 Sad news about your Mrs. mate.

    252579

    Sad news about your Mrs. mate.
  6. Have you ever tried welding before? Plumbers...

    Have you ever tried welding before? Plumbers braze (Thermal welding) With oxy/fuel gas. Not Electrical Arc welding. I think these days doing a trade means stuff all. Do a riggers course or a...
  7. To me it sounds like a tap dripping. Weaving...

    To me it sounds like a tap dripping. Weaving while your welding isn't done much anymore. The only time l move side to side on a root run is if its getting a bit hot and wants to blow out. otherwise l...
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    weld some tabs onto the shs, and use some mesh...

    weld some tabs onto the shs, and use some mesh clips to bolt/rivit the mesh on? You have way more patience than me! haha
  9. Your pre-heating the rods hey? that makes them...

    Your pre-heating the rods hey? that makes them easier to start. Depending on what your welding, hit the steel with a little bit of heat too. Again depending on what thickness steel your welding,...
  10. Replies
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    25,343

    What thickness material are you welding? What...

    What thickness material are you welding? What sorta amps are you running? What size rods are you using? Sounds like you need to up the amps a bit more, disregarding the burning holes bit.
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    Can see that. The caliber of young tradesmen...

    Can see that. The caliber of young tradesmen these days. Riding off everyone else's back. I'm struggling to see the point of putting out quality work when they strut around be-friending supervisors...
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    I'm pretty sure its a teachers job to teach,...

    I'm pretty sure its a teachers job to teach, especially if the student is willing to learn. They pay money to go to TAFE to learn skills.
    If you don't like having students asking questions all the...
  13. Replies
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    Is there a reason why you want to TIG weld for a...

    Is there a reason why you want to TIG weld for a living? Keep going to tafe if you can and hassle your teacher every spare second they have for advice or pointers. Practice Practice Practice.
  14. Replies
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    gassless wire spatters a bit generally but...

    gassless wire spatters a bit generally but excessively if the polarity isn't correct. Your earth cable should be to positive.
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    11,847

    did you reverse polarity?

    did you reverse polarity?
  16. Replies
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    11,847

    uni mig are not total crap through. For a home...

    uni mig are not total crap through. For a home handyman use, l would think it would do a reasonable job. Same market as a lincoln 180c (30% @ 130 amps) which have proven alright.
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    in my experience the duty cycle of a machine is...

    in my experience the duty cycle of a machine is based on a 10 minute period. the mig welder in your link is rated at 10% @ 180amps.
  18. Replies
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    What thickness aluminium are you looking to weld?...

    What thickness aluminium are you looking to weld? 180 amps will weld 6mm but not for very long. 10% of 10 minutes is 1 minute
  19. little bit of misalignment in a couple of photos,...

    little bit of misalignment in a couple of photos, but could be the way the photos taken? that wouldn't help the weld as you would know. Your walking the cup l take it, l just do a bit of a free hand...
  20. Replies
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    can you get a grinder with a thin cutting disc...

    can you get a grinder with a thin cutting disc and run it gently down the seam? to "grind" the rust off. I dont think a bit of surface rust will worry it. I'd be more worried about it twisting outta...
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    Holy 90-100 amps!! i'd be down around 60-70 amps...

    Holy 90-100 amps!! i'd be down around 60-70 amps haha
  22. none of your set up is much of a problem. It'll...

    none of your set up is much of a problem. It'll work, just dont tighten your rollers down too tight, but firm enough to push the wire through and keep your torch lead as straight as you can. What's...
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    I also know guys that have completed an...

    I also know guys that have completed an apprenticeship, that shouldn't be allowed near the tools of the trade
  24. Replies
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    i know guys that are coded welders that have not...

    i know guys that are coded welders that have not completed an apprenticeship.
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    i'm taking a stab at saying it has something to...

    i'm taking a stab at saying it has something to do with the shielding gasses around your weld pool. the ions i think their called? and their heat transferring characteristics.
  26. Replies
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    i'd use a hammer. check it for fitness before...

    i'd use a hammer. check it for fitness before welding too, cause if it's out before you weld it, the heat when you weld it will move it more. I have the same problem with stainless steel pipe, in...
  27. Thread: welding

    by brenton21
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    5,568

    haven't got the 4T switch on and not hitting the...

    haven't got the 4T switch on and not hitting the torch trigger twice, to bring it up to full amps?
  28. Replies
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    Aren't most portable stick welders today...

    Aren't most portable stick welders today inverter? Unless your going to buy a big Lincoln Generator/welder. So I don't see the difference? Inverter MIG, Inverter STICK.
    Myself, What other reasons...
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    there is a black oxidation beside the weld, that...

    there is a black oxidation beside the weld, that depending on what finish you want, you will have to acid clean and blend back to suit. It will do the job well though, plus you will be able to use it...
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    [QUOTE=WelderMick;1374377]Do you mean zincanneal...

    [QUOTE=WelderMick;1374377]Do you mean zincanneal sheet? not sure if this'll work - Anything with zinc makes tig welding a real pain as the zinc vapourises and gathers on the tungsten like you...
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    you can tig .8mm sheet. maybe just practise a bit...

    you can tig .8mm sheet. maybe just practise a bit first before attacking the car panels, maybe in the same position as the panel of the car, to get the feel of it. keep an air gun or a bottle of...
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    thats the go mate! keep feeding your rod in...

    thats the go mate! keep feeding your rod in there and maybe slow your travel speed down a little. time on the machine is the way to get better!!
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    your sure your getting enough gas at the shroud?...

    your sure your getting enough gas at the shroud? maybe check your regulator as the gauge maybe reading wrong? or a seal in the torch?
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    you should be able to use a grinder on your root...

    you should be able to use a grinder on your root run and hot pass. just cant touch the capping run. I did my 6G not long ago and the teacher said this was fine. you want to make sure its clean all...
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    haha yeah a tad more difficult to weld them that...

    haha yeah a tad more difficult to weld them that way!! I used a ceriataed tungsten (1.6 dia.)Lanthiated is good also. sharpened to a bit of a point that will help a little with keeping the arc...
  36. Thread: TIG question

    by brenton21
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    Just remember your level of experience too, as in...

    Just remember your level of experience too, as in any fitting up of pipes. Any gaps you have between the two need to be absolute minimal. especially if you havent tig welded before, could become...
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    Your never going to get a good looking weld using...

    Your never going to get a good looking weld using DC tig on aluminium.
    On 1mm alloy try a tig welder with AC pulse . and even some sort of remote amp control if you haven't done much alloy before....
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