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Thread: Understanding "Arc Force" and how to set for different rods

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aland Understanding "Arc Force" and... 01-08-2018, 05:50 AM
Rambozo As you shorten your arc... 01-08-2018, 08:29 AM
aland This was part of my problem... 01-08-2018, 05:29 PM
aland Rambozo, I've been anxious... 01-11-2018, 01:23 AM
Rambozo If you have it on 0% it will... 01-11-2018, 12:36 PM
aland I am anxious to try this out,... 01-11-2018, 08:41 PM
Rambozo Typically with 6010 you use... 01-12-2018, 08:10 PM
aland And to make it more... 01-13-2018, 03:20 AM
Rambozo The points are only used for... 01-13-2018, 10:31 AM
aland Is that true for most... 01-13-2018, 06:33 PM
Rambozo The pedal is usually not... 01-13-2018, 08:04 PM
aland Yes, I thought this is what I... 01-13-2018, 09:00 PM
Rambozo More a case of old vs. new. ... 01-13-2018, 11:15 PM
aland Ram, When you mention... 01-14-2018, 05:41 PM
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  1. #1
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    The points are only used for the HF start. You can still lift start TIG without them being used. And there are some machines that can use HF start even with stick. But that's really cheating. Using HF start and a foot pedal with stick welding does allow you to do some interesting stuff. I've done it on rare occasions.
    Long arc, short arc, heliarc and in-the-dark!

  2. #2

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    Quote Originally Posted by Rambozo View Post
    The points are only used for the HF start. You can still lift start TIG without them being used. And there are some machines that can use HF start even with stick. But that's really cheating. Using HF start and a foot pedal with stick welding does allow you to do some interesting stuff. I've done it on rare occasions.
    Is that true for most machines that support a pedal ? Or is that a special feature on specific machines ? I seem to recall the pedal is not active on stick for my machine, but I'll need to check on that.

    Alan

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    Quote Originally Posted by aland View Post
    Is that true for most machines that support a pedal ? Or is that a special feature on specific machines ? I seem to recall the pedal is not active on stick for my machine, but I'll need to check on that.
    The pedal is usually not active in stick mode. There is an aftermarket unit called an Arc Pig, that adds HF to any stick welder. A standard TIG power supply is a CC machine and can usually be used for stick welding with any and all TIG features like HF and pedal. However, Everlast has mentioned that they do not support stick welding in TIG mode. Probably something unique to inverters, because it is no problem on transformer or engine drive machines.
    Long arc, short arc, heliarc and in-the-dark!

  4. #4

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    Quote Originally Posted by Rambozo View Post
    The pedal is usually not active in stick mode. There is an aftermarket unit called an Arc Pig, that adds HF to any stick welder. A standard TIG power supply is a CC machine and can usually be used for stick welding with any and all TIG features like HF and pedal. However, Everlast has mentioned that they do not support stick welding in TIG mode. Probably something unique to inverters, because it is no problem on transformer or engine drive machines.
    Yes, I thought this is what I remember reading, that it was not supported. I just wasn't sure if that was the case for low end vs. the high end units.

    As a side note, I was just reading on a machining forum about a machinist I've known for a while passed away after a bad case of the flu...that scares the crap out of me, I don't think he was much older than me...pretty glad I've been cautious this week...it is cold this year on the west coast. I'm no youngster, but still want to spend time with my kids for a number of years to come...be careful out there guys! It's easy to go into the shop when it's cold and start working when you're sick, take your jacket off as you start getting warm, and you just get sicker and sicker...being exposed to the cold...

    Alan

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    Quote Originally Posted by aland View Post
    Yes, I thought this is what I remember reading, that it was not supported. I just wasn't sure if that was the case for low end vs. the high end units.
    More a case of old vs. new.
    Most older machines are just constant current power supplies. How you use them is a matter of what features you turn on and off. They didn't have a "stick mode" or a "TIG mode". For stick welding you just turn off the remote functions and HF start and such. Just like you can TIG weld with a machine that was designed mainly for stick. You just don't have any special TIG features. So you use a torch with a hand valve, and scratch start. Many many TIG roots have been laid down on pipe using a very plain SA200.
    My first TIG rig was an AC/DC buzz box and a shop made TIG torch adapter.
    Long arc, short arc, heliarc and in-the-dark!

  6. #6

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    Ram,

    When you mention SA200 you're talking about those old pipeline welders, right?

    I've seen where people convert arc welders to lift start tig, but wasn't exactly clear on the details. In the case of my machine it handles the scratch/lift, but it seems that lift start is something added, maybe I'm wrong. On a normal Lincoln tombstone buzz box, if you converted it would you need to use scratch start rather than lift start ? Or would lift start work also ?

    Nowadays it's so cheap to buy a nice inverter stick welder, and it's lunch box size for the most part, plus most all of them have DC tig capability on them.

    Alan

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    While the 200 is no more, Lincoln still sells several 300 models of DC generator welders, even today. They are unique machines and weld like nothing else.

    Lift start requires circuitry in the machine to limit current for starting, scratch start is full current starting, so it requires that the touch be very brief so the tungsten doesn't stick. There are a few techniques to make this happen. You can tap the tungsten, strike it like a match, or use the filler rod to bridge a gap between the tungsten and the workpiece. That last one is often used for welds that will be X-ray checked to make sure there is no tungsten contamination of the weld. Jody at Welding Tips and Tricks has a video showing a few different ways to scratch start. If using a machine without a lift start function, you have to use scratch start. You can even use a couple of car batteries as a welding power source for stick or TIG. Off road guys use that for field repairs, to limp home.
    Long arc, short arc, heliarc and in-the-dark!

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