norunz wrote:this is a good chart on how to get your mig welder set close to what you need, it gets you close, it narrows it down and you might have to make a few adjustments...... the column on the left is your metal thickness.... then across is your wire diameter , note that each wire diameter has a Factor number with it,....example , .030 is 2, say your metal thickness is .125, so multiply your metal thickness times that given number which for .030 is 2 so your wire speed should be 250, now to get that number cut your wire flush with the tip, pull the trigger and count to six, measure the amount of wire that came out and add a zero, so if I pulled the trigger and got 30 which equals 300 I know I need to slow my wire speed ..again this helps get you close, most mig machines are cc-cv, which is constant current -constant voltage , as you turn the wire speed up the voltage adjusts with it...... if you have a separate voltage dial you can adjust accordingly, more voltage will flatten your bead...
This chart gives wire speed calculations but nothing on the heat settings the correspond. Unless the ""factor" number is the heat setting?