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re: Air compressors and Migs

To: shop-talk@Autox.Team.Net
Subject: re: Air compressors and Migs
From: Bob Douglas <b-douglas@ti.com>
Date: Fri, 19 Sep 1997 07:29:03 -0500
>  From: "Kevin Leitch" <KLEITCH@Corel.Com>, on 9/17/97 4:25 PM:
>  
>  The Century can be used w/o gas, which I do when welding in the field, but I
>  really like the gas better and think it gives better welds than flux-core.

I read in one of the welding guides that you should change polarity when
switching between gas and flux operation on MIG units.  I saw no easy way to do
this on the unit I borrowed.  Anyone know why this would be recommended and if
it really makes a difference?  

Thanks and regards, Bob Douglas 


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