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Posted by BillM on February 13, 2008, 10:34 pm
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> On Feb 11, 8:06 pm, Ernie Leimkuhler
> wrote:
>> In article
>>
>> mandelbr...@gmail.com wrote:
>> > Is it possible or safe to do AC scratch
>> > start tig on aluminum with an
>> > AC/DC stick welder?
>>
>> NO!!!!
>>
>> AC TIG requires constant high frequency to
>> maintain the arc.
>
> Thanks for the quick reply Ernie. If I were
> to get my hands on a hi
> frequency device of some sort, would you have
> any idea how to wire it
> a welder?
I've got a hi freq unit on an old Wards
Powercraft buzzbox. It's a separate unit that
sits
on top of the welder. Runs off of 110VAC.
Couple of cables on the box plug into the
welder sockets, welding leads plug into the
hi-freq unit.
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> wrote: