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Type: Posts; User: mr.sneezy

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  1. Replies
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    SA AIG TIG pedal going cheap in Adelaide...

    Guys after my successful DIY conversion of a Chinese sewing machine pedal to a TIG pedal I'm want to clear floor space in my shed and sell the AIG pedal.
    It works fine, it's just too industrial for...
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    Yep the Yamaha pedal is much sturdier looking...

    Yep the Yamaha pedal is much sturdier looking than the sewing machine one, and the pot was easily swapped. It's much more expensive though, but similar cost to what I first bought anyway and didn't...
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    If the Yamaha pedal is metal then it will be...

    If the Yamaha pedal is metal then it will be sturdier, but if it's plastic (the images I just looked at seemed like plastic) then I'd say there may be not be any difference.
    The Ali pedal is made...
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    A partly DIY, cheap TIG pedal.

    Hi guys,
    I think I mentioned I had a cunning plan to make my own TIG pedal in my post about the AIG TIG 200P earlier in the year. Well I just got it done and tested this week...
    The result is yes...
  5. Hey Jack I think you're right, these features may...

    Hey Jack I think you're right, these features may well have been dreamed up by a marketing department. It will be interesting to see if anyone here has found a big difference in modes while welding ?...
  6. I agree with that, the EN to EP transition time...

    I agree with that, the EN to EP transition time is so short I don't think it uses HF in between.
    Also ditto the modified waveforms, the triangle is not your classic triangular wave or the sine...
  7. Glad you guys liked it, and I didn't waste the...

    Glad you guys liked it, and I didn't waste the time laying it out (took me about an hour or so, not including the time in my friends shed).

    Re the cleaning balance.
    The oscilloscope trace is...
  8. Metalmaster 215 Elite AC/DC TIG - current accuracy and waveforms

    In the earlier AIG TIG 200P thread here, I posted some testing I did with a good AC/DC current probe and an oscilloscope on my budget welder. The point of the testing was to see what current it...
  9. New toys for the AIG TIG 200P

    A couple of cheap new things turned up this week for me to use with the TIG...
    In keeping with the whole 'budget priced' theme of this TIG welder, I had spent very little money on AliExpress to see...
  10. The picture is sort of there. The two torch...

    The picture is sort of there. The two torch images in the post prior show the torch set into the orange magnetic holder I normally use between welds, but in this case I raised the metal up to the...
  11. That 64kHz in the last section was a typo, should...

    That 64kHz in the last section was a typo, should be 94kHz...

    Also in hindsight I should capture a trace of DC and then AC at near maximum current.
  12. OK the CRO traces.

    These are captured using the Tektronix A622 connected to a 100Mhz digital CRO (and recording the screens with a regular camera).

    A baseline trace in DC coupled input mode on the oscilloscope...
  13. Test setup.

    Here's how I setup the torch for testing. I didn't move the torch between samples (except to change to the ally setup for AC).

    393370 393371 393372
  14. This a reasonable diagram for reference...

    Slight side note.
    This diagram (shamelessly pirated from Millers pages) I think relates well to this style machine, ignoring the three phase mains supply of it though, the AIG TIG 200P is of course...
  15. OK the CRO traces.

    More interest in these than I expected, will post up soon.

    I saw a couple of questions in the recent posts.

    Michael.
    Yep the welders minimum actual output is 22A as measured, even when the...
  16. Curiousity about the lowest amps setting...

    I work in an industry that has a great range of test equipment. We happen to have two different brand high end clamp meter current probes I could borrow for a weekend. One has a 100A limit, the other...
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    Yep Grahame I'm also picky about the specs. So it...

    Yep Grahame I'm also picky about the specs. So it wasn't just me then that couldn't see anything much meaningful, not that I was in the market for a multi process machine.

    I'm kind of wary about...
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    YesWelder MP200 kickstarter...

    My Facebook feed is getting hammered by ads for this multi method welder/cutter right now so it might be worth discussing.

    I've recently bought and am very happy with my AIG TIG 200P and my old...
  19. Thin edges on ally experience, minimum amps questions...

    A question or two for the guys who have had a few different AC TIG machines and have some thin ally experience.

    We're still in home lockdown over here in SA so I've been practicing my ally TIG...
  20. Thanks for the link to the CK product bible, lots...

    Thanks for the link to the CK product bible, lots of useful size info in that. :)

    I think I'll try an air cooled 17 size torch before I try a 9 then, as I may not need to go that small if the 17...
  21. Maybe I should try the WP-17 first then if it's...

    Maybe I should try the WP-17 first then if it's significantly lighter. Do you know if the power/gas fitting inside the 26 torch handle is the same on a 17 ?
    If so I could just buy a head and handle.
  22. That's the same torch as on the 200P, a WP-26...

    That's the same torch as on the 200P, a WP-26 seems to be the industry name for that size.

    I bought this accessory set linked below for the torch, which turned out to be very good quality for the...
  23. Differences in using the pedal with the TIG 200P...

    I've had an hour or so to try out the pedal. Right away I could control the heat soak at the ends of a test run much better than with the button system.

    One of my better test runs without a pedal...
  24. Pedal arrived...

    The AIG pedal arrived since I first posted. It's bigger than I thought it would be...
    When I get time I'll try it out. I suspect it will take a bit of time to get used to now using my foot instead...
  25. I found a reply from the admin in my email, seems...

    I found a reply from the admin in my email, seems it's was in moderation for unknown reasons.

    However if currently if I try open my thread post I get this, so I'll sit on the issue till tomorrow...
  26. Yes that's what I found too as I added all the...

    Yes that's what I found too as I added all the images, and then submitted. It was after that things went wrong.

    Question, if you try open my new thread and reply, what happens (and is there any...
  27. Thread troubles ?

    Guys I created a discussion/setup thread for this model TIG in this welding forum here and posted it. It's in the thread listing just fine, but I can't open the post text I wrote (or see the six...
  28. AIG TIG 200P AC/DC Pulse welder - Setup & discussion...

    When I was looking online early this year for user feedback on this budget machine there was very little information around, even though it has been available for a few years already.
    Usually that's...
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    Interesting discussion. I think some small...

    Interesting discussion.

    I think some small generators designed to be paralleled actually send DC across the interlink cable, which makes load sharing easier (no AC sync required). Only one...
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    Good to know the Bunnings Fullboar 2.2kv genny...

    Good to know the Bunnings Fullboar 2.2kv genny will absorb that loading, as I have one as well.

    Would be good to see how it goes on some clean steel...
  31. I have a regulator that came with a TIG here in...

    I have a regulator that came with a TIG here in Oz a few weeks ago that had the OPPOSITE issue, I couldn't turn the flow down enough accurately to get down to 8LPM without trouble, but I could shoot...
  32. Also have the AIG TIG 200P

    Hi all, I also have one of these units, received it about 4 weeks ago form the March pre-orders from Australian Industry Group in Perth.

    It's also my first TIG machine (hopefully my last as I'm...
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