You're pushing a lot more power through the torch with 220 and it will get hot after extended use. Try reducing the current now that you are running 220, I'll bet you can cut at lower amperage now. That should keep things a bit cooler. Also make sure your air is set between 65 and 75 PSI.
Dan
Units owned
Longevity WeldPro LS200PI (IGBT)
Force Cut LP80 plasma cutter
Longevity auto dark welding helmet
Atlas 10x36" lathe
Craftsman 5HP 30 Gal compressor
Home made CNC router/plasma/hot wire foam cutting table powered by Longevity Force Cut LP80
Home built aluminum foundry, HF 4x6 bandsaw, O/A torch
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