[MW:1050] RE: 1047] thumb rule

If ur using Globular you can switch to spray transfer method to reduce spatter,

 

V=20+0.4i   is a thumb rule for SMAW, no idea about GMA.

 

-----Original Message-----
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of mech
Sent: Thursday, August 21, 2008 7:49 PM
To: Materials & Welding
Subject: [MW:1047] thumb rule

 

 

hai friends

 is there any thumb rule to find current and voltage in metal active

gas welding ... v r using semi automatic MAG machine.with   2.4 mm

filler wire dia .current in the rang of 570-670 amps and  voltage

30-39  .and tell wat would b the best way to reduce spattesrs and blow

holes and cracks in this welding .

 

 

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