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Type: Posts; User: Legion

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  1. Replies
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    3mm gap for 12mm material is about what I'd be...

    3mm gap for 12mm material is about what I'd be looking for as a root gap anyway. As a backyard hack, that is. I'm sure there are official guidelines that are more specific.
  2. Thread: TIG purchase

    by Legion
    Replies
    12
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    3,403

    I'm not sure if I'd like memory or not. I find it...

    I'm not sure if I'd like memory or not. I find it pretty quick to set my machine to whatever process I'm using. If I were moving between steel and Al I'd probably be changing torches and electrodes...
  3. Thread: Plasma cutter ?

    by Legion
    Replies
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    7,214

    I have a Powermax 1250 that I plug into a...

    I have a Powermax 1250 that I plug into a dedicated 400V 32A circuit. I have another 400V 32A circuit for the compressor. The Powermax was secondhand but I've upgraded the torch to the Duramax...
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    I do use copper bars and blocks to form welds but...

    I do use copper bars and blocks to form welds but only on thin material. I can't see why it wouldn't work in your situation though. You might need some big blocks of copper ...
  5. In answer to your last question - yes you can do...

    In answer to your last question - yes you can do that, but people will berate you. It seems plenty of people do it though. One day though, the time might come when you want to push the amps up and...
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    I bought secondhand Volvo wheels off gumtree for...

    I bought secondhand Volvo wheels off gumtree for my last trailer that fit that old Holden stud pattern I think. Alloys, lightweight, well made.
  7. Thread: TIG welding SS

    by Legion
    Replies
    53
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    20,171

    Maybe the start arc parameters are too high? I...

    Maybe the start arc parameters are too high? I know with my machine it's set to 2.4mm tungsten by default, with appropriate settings for that diameter. If I were using something way outside normal...
  8. Thread: TIG welding SS

    by Legion
    Replies
    53
    Views
    20,171

    I'm betting it's your low amps/slow travel...

    I'm betting it's your low amps/slow travel technique.
  9. I use a La-man 520A as well as a regular...

    I use a La-man 520A as well as a regular separator. Time will tell how it goes with the plasma but for other operations it seems to clean and dry the air very well. I've also set up a cooling system...
  10. I've only just started using a plasma, and only...

    I've only just started using a plasma, and only on aluminium so far. The cut is dirty enough that I'm routing the edges afterwards with a plunge router before welding. If it were stainless I'd...
  11. Tig can be really expensive. A rule of thumb is...

    Tig can be really expensive. A rule of thumb is (translated from the American) ~40A/mm of thickness. It tends to work reasonably well for thin materials. But it never hurts to have too much capacity...
  12. The hole is to stop the crack propagating. Yes,...

    The hole is to stop the crack propagating. Yes, you fill it in. Just a small drill, 2mm or 3mm max should do it.

    When welding, to increase chance of success make sure it's positioned so it's flat...
  13. Thread: TIG welding SS

    by Legion
    Replies
    53
    Views
    20,171

    There was a guy in WA selling it. I bought two...

    There was a guy in WA selling it. I bought two tins about a year ago but wish I'd got more. He imported a whole bunch and once it was gone he wasn't going to get more. It comes in a dry grey powder...
  14. Maybe a forum member who lives nearby to you...

    Maybe a forum member who lives nearby to you could help you out, widget. It definitely looks weldable, although it would be great if you had experience welding. Personally I'd drill a hole at the end...
  15. Replies
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    9,087

    I don't really like Jody's 33. I tend to bump my...

    I don't really like Jody's 33. I tend to bump my pulse way up. 150, 250, 500, however far I can be bothered turning the dial. That's for focused arc and overall reduced heat. Or 1pps for open root...
  16. Sometimes I wish I didn't click on these threads...

    Sometimes I wish I didn't click on these threads ...
  17. Replies
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    6,783

    aagui can you use those plastic joiners instead?...

    aagui can you use those plastic joiners instead? Someone on here will know what they're called.
  18. Just buy some boily's long overalls. They're not...

    Just buy some boily's long overalls. They're not too bad even when it's 40°C. Not expensive either. I switch into them any time I'm doing any fab work.
  19. You can never have too much. I've got 200A at...

    You can never have too much. I've got 200A at some good duty cycle. I find myself often wishing I had 280A. One day when I upgrade to that I'll probably then want 350A.

    I can't speak for mig but...
  20. Always wear your PPE or you'll get burnt or hurt....

    Always wear your PPE or you'll get burnt or hurt. Treat gloves like a consumable. If you're tigging, for example, you'll go through several pairs a year even recreationally.

    Get rods if you really...
  21. Turn up the heat, gaz. The hotter and faster the...

    Turn up the heat, gaz. The hotter and faster the better, to a point.
  22. Replies
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    You can buy led floor lamps that light up the...

    You can buy led floor lamps that light up the area like day time from chain hardware stores. Like this:

    https://www.bunnings.com.au/arlec-90w-7000lm-led-work-light-with-tripod_p4380378
  23. Replies
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    Nice work, Rusty. Looks like maybe you got...

    Nice work, Rusty.

    Looks like maybe you got your angle wrong a few times without filler, although something else happened too.

    You can tend more towards the lower plate I find. It'll absorb a...
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    For that price it'll still be a Chinese machine...

    For that price it'll still be a Chinese machine ... try tripling or quadrupling it and you're getting in the market for American or European.
  25. Replies
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    14,564

    Once again your technique mystifies me. I...

    Once again your technique mystifies me. I struggle with 2.4mm sticking under about 120A. I've never used 3.2mm. And you should learn to feed smoothly and consistently if possible with your left (and...
  26. Replies
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    :D Yep. Some good advice is to start in an...

    :D

    Yep. Some good advice is to start in an uncomfortable position and move to a comfortable position. I often don't obey this rule and end up screwing up the end but it's easier the other way.
  27. Replies
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    14,564

    gazza, I have an automatic solenoid machine and...

    gazza, I have an automatic solenoid machine and get the gas whoosh. I have a single hose with the electrode running down the hose somewhere so I'm reluctant to stuff anything down there. The only...
  28. Replies
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    14,564

    The gas lenses should be standardised, I assume....

    The gas lenses should be standardised, I assume. I dunno, I'm CK all the way. But it's probably just standard threads that fit any "size whatever" torch. The head parts are only maybe $50 all up, for...
  29. Replies
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    14,564

    Oh yeah, that's what I meant to say as well - you...

    Oh yeah, that's what I meant to say as well - you can buy one of these:

    364959

    I've read some guys like to use them every time they change torches. I've used mine occasionally just to check but...
  30. Replies
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    14,564

    Standard Kits | CK Worldwide...

    Standard Kits | CK Worldwide
  31. Replies
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    10Lpm is way too much. I'm at 7, and only because...

    10Lpm is way too much. I'm at 7, and only because I'm outside and windy. Although I do use a #6 cup or less mostly. Oh, I do use a CK gas saver lens too. Otherwise I can get away with 6. If it's...
  32. Replies
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    14,564

    I use ebay diamond wheels on a bench grinder for...

    I use ebay diamond wheels on a bench grinder for sharpening.

    Blue 2% lanthanated for everything.

    CK Worldwide consumables and torches.

    If you save some cash and wait a few weeks, it's almost...
  33. Replies
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    I'm guilty of one-handed grinding too often. But...

    I'm guilty of one-handed grinding too often. But I only use flap discs and grinder wheels.

    Was he wearing gloves? And it still ate his hand?
  34. Replies
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    More heat = better pool. I often use the keyhole...

    More heat = better pool. I often use the keyhole effect on thin material, for example. Move forward with short arc, as the keyhole forms (or the pool grows large enough) then move up and back...
  35. Replies
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    I weld mostly galv. I clean it with flap discs to...

    I weld mostly galv. I clean it with flap discs to bare metal. But sometimes there's a tiny invisible patch I've missed, or it draws from the backside, or whatever. And there have been times I haven't...
  36. Replies
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    You'll get it in no time Rusty. I use the pedal...

    You'll get it in no time Rusty. I use the pedal exclusively, although I've wired up my own momentary trigger switch for fun and I'm toying with the idea of building a voice-controlled potentiometer...
  37. Replies
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    Well my expensive dynasty makes a constant...

    Well my expensive dynasty makes a constant annoying buzzing noise apart from the fan. The fan itself is quite conservative and starts off a lot. I've been told they all make the buzzing and it's by...
  38. Replies
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    Absolutely. If you were in my neighbourhood I'd...

    Absolutely. If you were in my neighbourhood I'd come over and help you set it up, even if just for the chance to play with a sweet Kemppi.

    Unless you're really doing some technical stuff (in which...
  39. Replies
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    Do you have a machine already riverbuilder?...

    Do you have a machine already riverbuilder? Because I'm 100% self-taught and I learnt everything from the internet and mucking around. Luckily my industrial machine is tolerant of any stuff-ups I...
  40. So not a 2.5 tonne Landcruiser then? Some very...

    So not a 2.5 tonne Landcruiser then?

    Some very good points soundman. Thanks, it's much appreciated.
  41. That actually fits with one of the teardrops that...

    That actually fits with one of the teardrops that is pretty inspirational:

    http://farm9.staticflickr.com/8287/7611834340_ce982a11d8.jpg

    If you search "crowswing teardrop" they have (very)...
  42. Yeah I Kryn I'd do it myself. Ally frame, ally...

    Yeah I Kryn I'd do it myself. Ally frame, ally skin, foam insulation and possibly light timber on the inside for aesthetics. I have almost zero ally experience but my steel and stainless skills are...
  43. Feasibility of dual axles and different weight distributions

    I want two trailers. A box and a teardrop-style camper. The former has conventional axle placement if a single. The latter requires it way back if a single. Does the forum think it would be feasible...
  44. Replies
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    Yeah watch Jody's heat input video where he does...

    Yeah watch Jody's heat input video where he does runs on the same material from 80 - 140A only varying travel speed. I mostly know enough about the material I'm welding to stomp and go, at least with...
  45. Replies
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    Nope. My Dynasty has what the marketers call...

    Nope. My Dynasty has what the marketers call something like "tunnel design". You're supposed to blow it out with compressed air occasionally and there's a clear path from front to back to allow metal...
  46. Replies
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    I only really use the foot pedal. I did set up a...

    I only really use the foot pedal. I did set up a momentary switch but you'd better either have an assistant or dial your amps in pretty damn well without a pedal. Or be able to use a thumbwheel...
  47. What's the door jamb made of? Zinc plated steel?...

    What's the door jamb made of? Zinc plated steel? Did you clean it off?

    Sorry, can't help with mig welding. But it does look like it wasn't nearly hot enough.
  48. Thread: Welding set up

    by Legion
    Replies
    41
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    14,038

    Further to Greg's restarting comments - an old...

    Further to Greg's restarting comments - an old scrap file or rough concrete works well. Scrape the fluxed rod over it before restarting and it will restart almost as good as a new rod every time....
  49. You're making an artistic piece? Once you have a...

    You're making an artistic piece? Once you have a few of your washers etc in place ground to those. It sounds like you have a welding table and your mould is on that and the washers are resting on the...
  50. Replies
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    Yep, when I used to stick weld more I loved the...

    Yep, when I used to stick weld more I loved the Kobes. Also Gemini 12 or 13, I was getting 5kg boxes for dirt cheap at some shops.
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