[Shop-talk] Basic MIG Welding questions

[Marc]

Well, there's a purge setting on the 180, which is basically just a wire 
feed speed of 0. I use the purge setting to set gas flow without wasting 
wire. Maybe you could rig up a switch to open the circuit to the feed 
motor...


Jim Stone wrote:
> Not as far as I can tell.  The owner's manual doesn't indicate 
> anything about purging per se, but here's how it describes setting the 
> gas flow rate:
>
> Flow Adjust
> Flow rate should be set when gas is
> flowing through welding power
> source and welding gun. Open
> feedhead pressure assembly so
> that wire will not feed. Press gun
> trigger to start gas flow.*
>
> *I could be wrong, but I assume that a purge valve could be used here, 
> if the 140 had one.
>
> > Date: Mon, 2 Feb 2009 21:49:41 -0500
> > From: smarc at smarc.net
> > To: shop-talk at autox.team.net
> > Subject: Re: [Shop-talk] Basic MIG Welding questions
> >
> > Doesn't the Hobart 140 have a Purge setting? My Hobart 180 does...