if your wire is feeding smoothly and evenly then it would appear to me that you need a little less heat sounds like you're burning the whole stick out up in one swoop and that causes it to stick. its kind of hard to say for sure but if everything in the feed line is ok its just an amperage issue i ...

I use a 400 amp Lincoln welder with 0.45 La-90 wire at work.Recently it has started acting up when I go to tack or start welding.Since I'm not a school trained welder I don't know the correct term for what is happening but, here goes.What it does is almost every time I tack or start welding the wire...