Re: Mig polarity and other stuff...long...sigh


"Gunner" <gunnerNOSPAM@xxxxxxxxxxxxxx> wrote in message
news:dh55h1ta3vl0s44648c2tjl4a1ol0h2dk7@xxxxxxxxxx
> On Sun, 28 Aug 2005 17:03:19 GMT, Gunner Asch <gunner@xxxxxxxxxxxxxx>
> wrote:
>
>>On Sun, 28 Aug 2005 08:44:27 -0400, "ATP*" <eugene@xxxxxxxxxx> wrote:
>>
>>>> it, visa vis arc length, sound and so forth? Pulse is totally new to
>>>> me and is quite different than short circuit type mig.
>>>>
>>>> Thanks
>>>>
>>>> Gunner
>>>>
>>>There are a few sites that relate wire speed, size and voltage to
>>>current.
>>>www.weldreality.com has some decent explanations and a forum run by the
>>>cranky but knowledgeable Ed Craig. You are correct that larger wire will
>>>result in more amps given the same wire speed and voltage. The size of
>>>the
>>>welder is really not relevant until you get to the maximum output, ie the
>>>same wire size, voltage and speed will run the same amps on a 250 as a
>>>350.
>>>I would try the unit without the pulsed feature and get the spray
>>>settings
>>>down first. With regular spray transfer you should have more argon in
>>>your
>>>mix- 92/8 will get you into spray mode at lower wire size/speed. You need
>>>at
>>>least 85% argon to achieve spray transfer at reasonable current levels. I
>>>don't have a fancy pulse welder but I think the same would be true for
>>>pulse.
>>>
>>
>>There is no Pulse Off/on switch. This beasty was made in the mid to
>>late 1980s, when the technology was prett new.
>>
>>There are two user adjustable controls on the power supply. Amps and
>>off/on
>>Which kinda sorta makes it better as one doesnt get confused trying to
>>figure out what all the knobs and doofunnies do. <G>
>>
>>Will 100% argon work better than the C25? Can I use CO2?
>>
>>Gunner
>>
> Addendum..sigh...the control on the front is Volts..not amps. Brain
> fart yet again on my part.
>
> Gunner

OK. Amps are controlled indirectly by the wire feed setting.


.

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