04-13-2012, 06:50 AM
(04-12-2012, 10:55 PM)Mayhem Wrote: ... If you lay the torch down wrong it will spool wire.
I wish I could say that I have never done that, but.....
Older Miller machines are instant ON, meaning that when you pull the trigger you get gas flow and the set wire feed speed - now.
Newer Miller models (like Ed's) have an added circuit that gives you instant gas flow but it starts off the wire feed at a slightly reduced feed rate, and then ramps up to the full set speed. The delay in bring up the wire feed to full speed is supposed to help prevent sticking the wire when starting an arc. The duration of the slower starting speed is about 1 second, and then jumps to full speed.
After using my older MM185 machine so many years, I thought there was something wrong with my newer MM140 welder when I first got it. Then a Miller service tech explained to me - "That isn't a bug.... that's a feature!"
arvidj: What model mig welder do you have that allows you to set the post and pre-flow on your machine? It doesn't sound like a typical homebody type welder.
Willie