Ok thanks. I have purchased a cheap PTFE liner to swap out the steel liner as it was struggling with the thicker wire (although I havent had birdnest issues, just rollers slipping). I dont think knurled rollers are a good idea longer term as it seems to shed aluminium filings which would eventually ...

Hey guys I thought I would ask some advice on the first few aluminium welds ive done. I have a Cigweld Transmig 200i (Australian, Thermadyne machine). I have a 4" spool of 5356 1.2mm (3/64") and ended up using knurled drive rolls as the U groove rolls were slipping too much. I have some sc...